def display_message(self, canvas, source, content, duration,
_display_message_callback):
self.display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold',
'background-colour': '',
'message-justify': 'left',
'background-image': '',
'show-control-begin': '',
'show-control-end': '',
'animate-begin': '',
'animate-clear': '',
'animate-end': '',
'message-x': '',
'message-y': '',
'display-show-background': 'no',
'display-show-text': 'no',
'show-text': '',
'track-text': '',
'plugin': ''
}
self.player = MessagePlayer(self.show_id, self.root, canvas, tp, tp,
self.pp_dir, self.pp_home, self.pp_profile)
self.player.play(content, self.showlist, self.display_message_end,
None, False)
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold'
}
self.player = MessagePlayer(canvas, tp, tp)
self.player.play(content, self._display_message_end, None)
def display_message(self,canvas,source,content,duration,display_message_callback):
self.display_message_callback=display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold','message-justify':'left',
'background-colour':'','background-image':'','show-control-begin':'','show-control-end':'',
'animate-begin':'','animate-clear':'','animate-end':'','message-x':'','message-y':'',
'display-show-background':'no','display-show-text':'no','show-text':'','track-text':'',
'plugin':''}
self.player=MessagePlayer(self.show_id,self.root,canvas,tp,tp,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(content,self.showlist,self.display_message_end,None)
def display_message(self, canvas, source, content, duration, _display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
"duration": duration,
"message-colour": "white",
"message-font": "Helvetica 20 bold",
"background-colour": "",
"background-image": "",
}
self.player = MessagePlayer(self.show_id, canvas, self.pp_home, tp, tp)
self.player.play(content, self._display_message_end, None)
def base_init_selected_player(self, selected_track):
# dispatch track by type
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "image":
return ImagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "video":
return VideoPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "audio":
return AudioPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "web" and self.show_params['type'] not in (
'artmediashow', 'artliveshow'):
return BrowserPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "message":
return MessagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "menu":
return MenuPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end, self.command_callback)
else:
return None
class RadioButtonShow:
"""
starts at 'first-track' which can be any type of track or a show
The show has links of the form symbolic-name play track-ref
key, gpio or click area will play the referenced track
at the end of that track control will return to first-track
links in the tracks are ignored. Links are inherited from the show.
timeout returns to first-track
interface:
* play - selects the first track to play (first-track)
* input_pressed, - receives user events passes them to a Shower/Player if a track is playing,
otherwise actions them depending on the symbolic name supplied
"""
# *********************
# external interface
# ********************
def __init__(self, show_params, root, canvas, showlist, pp_dir, pp_home,
pp_profile):
""" canvas - the canvas that the tracks of the event show are to be written on
show_params - the name of the configuration dictionary section for the radiobuttonshow
showlist - the showlist, to enable runningnof show type tracks.
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show_params = show_params
self.showlist = showlist
self.root = root
self.canvas = canvas
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
#create a path stack - only used to parse the links.
self.path = PathManager()
# init variables
self.drawn = None
self.player = None
self.shower = None
self.timeout_running = None
self.error = False
def play(self,
show_id,
end_callback,
ready_callback,
top=False,
command='nil'):
""" starts the hyperlink show at start-track
end_callback - function to be called when the show exits
ready_callback - callback when event-show is ready to display its forst track (not used?)
top is True when the show is top level (run from [start] or from show control)
command is not used
"""
#instantiate arguments
self.show_id = show_id
self.end_callback = end_callback
self.ready_callback = ready_callback
self.top = top
self.command = command
# check data files are available.
self.medialist_file = self.pp_profile + "/" + self.show_params[
'medialist']
if not os.path.exists(self.medialist_file):
self.mon.err(self,
"Medialist file not found: " + self.medialist_file)
self.end('error', "Medialist file not found")
#create a medialist object for the radiobuttonshow and read the file into it.
self.medialist = MediaList()
if self.medialist.open_list(self.medialist_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
# read show destinations
self.first_track_ref = self.show_params['first-track-ref']
#get control bindings for this show if top level
controlsmanager = ControlsManager()
if self.top == True:
self.controls_list = controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list = controlsmanager.merge_show_controls(
self.controls_list, self.show_params['controls'])
#read the show links. Track links will be added by ready_callback
links_text = self.show_params['links']
reason, message, self.links = self.path.parse_links(links_text)
if reason == 'error':
self.mon.err(self, message + " in show")
self.end('error', message)
# state variables and signals
self.end_radiobuttonshow_signal = False
self.egg_timer = None
self.next_track_signal = False
self.next_track_ref = ''
self.current_track_ref = ''
self.current_track_type = ''
# ready callback for show
if self.ready_callback <> None:
self.ready_callback()
self.canvas.delete('pp-content')
self.canvas.config(bg='black')
self.do_first_track()
#stop received from another concurrent show via ShowManager
def managed_stop(self):
# set signal to stop the radiobuttonshow when all sub-shows and players have ended
self.end_radiobuttonshow_signal = True
# then stop and shows or tracks.
if self.shower <> None:
self.shower.managed_stop()
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.end('normal', 'stopped by ShowManager')
# kill or error
def terminate(self, reason):
self.end_radiobuttonshow_signal = True
if self.shower <> None:
self.shower.terminate(reason)
elif self.player <> None:
self.player.terminate(reason)
else:
self.end(reason, 'terminated without terminating shower or player')
# respond to inputs
def input_pressed(self, symbol, edge, source):
self.mon.log(self, "received symbol: " + symbol)
#does the symbol match a link, if so execute it
if self.is_link(symbol, edge, source) == True:
return
# controls are disabled so ignore inputs
if self.show_params['disable-controls'] == 'yes':
return
# does it match a control
# if at top convert symbolic name to operation otherwise lower down we have received an operatio
# look through list of controls to find match
if self.top == True:
operation = self.lookup_control(symbol, self.controls_list)
else:
operation = symbol
# print 'operation',operation
if operation <> '':
self.do_operation(operation, edge, source)
def do_operation(self, operation, edge, source):
if self.shower <> None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation, edge, source)
else:
#control this show and its tracks
if operation == 'stop':
if self.player <> None:
if self.current_track_ref == self.first_track_ref and self.top == False:
self.end_radiobuttonshow_signal = True
self.player.input_pressed('stop')
elif operation == 'pause':
if self.player <> None:
self.player.input_pressed(operation)
elif operation[0:4] == 'omx-' or operation[
0:6] == 'mplay-' or operation[0:5] == 'uzbl-':
if self.player <> None:
self.player.input_pressed(operation)
def lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
def is_link(self, symbol, edge, source):
# we have links which locally define symbolic names to be converted to radiobuttonshow operations
# find the first entry in links that matches the symbol and execute its operation
#print 'radiobuttonshow ',symbol
found = False
for link in self.links:
#print link
if symbol == link[0]:
found = True
if link[1] <> 'null':
#print 'match',link[0]
link_operation = link[1]
if link_operation == 'play':
self.do_play(link[2], edge, source)
return found
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Show Sequencer
# *********************
def timeout_callback(self):
self.do_play(self.first_track_ref, 'front', 'timeout')
def do_play(self, track_ref, edge, source):
if track_ref <> self.current_track_ref:
# print 'executing play ',track_ref
self.next_track_signal = True
self.next_track_op = 'play'
self.next_track_arg = track_ref
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_first_track(self):
index = self.medialist.index_of_track(self.first_track_ref)
if index >= 0:
#don't use select the track as not using selected_track in radiobuttonshow
first_track = self.medialist.track(index)
self.path.append(first_track['track-ref'])
self.current_track_ref = self.first_track_ref
self.play_selected_track(first_track)
else:
self.mon.err(
self, "first-track not found in medialist: " +
self.show_params['first-frack-ref'])
self.end('error', "first track not found in medialist")
def what_next(self):
# user wants to end the show
if self.end_radiobuttonshow_signal == True:
self.end_radiobuttonshow_signal = False
self.end('normal', "show ended by user")
# user has selected another track
elif self.next_track_signal == True:
self.next_track_signal = False
self.next_track_ref = self.next_track_arg
self.current_track_ref = self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >= 0:
#don't use select the track as not using selected_track in radiobuttonshow
next_track = self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(
self, "next-track not found in medialist: " +
self.next_track_ref)
self.end('error', "next track not found in medialist")
else:
#track ends naturally
self.next_track_ref = self.first_track_ref
self.current_track_ref = self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >= 0:
#don't use select the track as not using selected_track in radiobuttonshow
next_track = self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(
self, "next-track not found in medialist: " +
self.next_track_ref)
self.end('error', "next track not found in medialist")
# *********************
# Dispatching to Players
# *********************
def page_callback(self):
# called from a Player when ready to play, if first-track merge the links from the track with those from the show
self.delete_eggtimer()
if self.current_track_ref == self.first_track_ref:
#links_text=self.player.get_links()
#reason,message,track_links=self.path.parse_links(links_text)
#if reason=='error':
#self.mon.err(self,message + " in page")
#self.end('error',message)
#self.path.merge_links(self.links,track_links)
pass
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running <> None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running = None
# self.display_eggtimer(self.resource('radiobuttonshow','m01'))
self.current_track_type = selected_track['type']
#start timeout for the track if required
if self.current_track_ref <> self.first_track_ref and int(
self.show_params['timeout']) <> 0:
self.timeout_running = self.canvas.after(
int(self.show_params['timeout']) * 1000, self.timeout_callback)
# dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "image":
track_file = self.complete_path(selected_track)
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(
track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "show":
# self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self, reason, message):
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
# this does not seem to change the colour of the polygon
# self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks()
if reason in ("killed", "error"):
self.end(reason, message)
else:
#self.display_eggtimer(self.resource('radiobuttonshow','m02'))
self.what_next()
# callback from when shower ends
def end_shower(self, show_id, reason, message):
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
# self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks()
if reason in ("killed", "error"):
self.end(reason, message)
else:
#self.display_eggtimer(self.resource('radiobuttonshow','m03'))
self.what_next()
# *********************
# End the show
# *********************
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def end(self, reason, message):
self.mon.log(self,
"Ending radiobuttonshow: " + self.show_params['show-ref'])
self.end_callback(self.show_id, reason, message)
self = None
return
# *********************
# displaying things
# *********************
def display_eggtimer(self, text):
#self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
#int(self.canvas['height'])/2,
#text= text,
# fill='white',
# font="Helvetica 20 bold")
#self.canvas.update_idletasks( )
pass
def delete_eggtimer(self):
if self.egg_timer != None:
self.canvas.delete(self.egg_timer)
# *********************
# utilities
# *********************
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file <> '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
# players or showers may be running so need terminate
self.terminate("error")
else:
return value
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self, show, canvas, showlist, pp_home, pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show = show
self.showlist = showlist
self.canvas = canvas
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self._poll_for_interval_timer = None
self._poll_for_continue_timer = None
self._waiting_for_interval = False
self._interval_timer = None
self.error = False
self._interval_timer_signal = False
self._end_mediashow_signal = False
self._next_track_signal = False
self._previous_track_signal = False
self._play_child_signal = False
self._req_next = 'nil'
self._state = 'closed'
def play(self,
end_callback,
ready_callback=None,
top=False,
command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self._end_callback = end_callback
self._ready_callback = ready_callback
self.top = top
self.command = command
self.mon.log(self, "Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self._end('error', "Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self._end('error', "Version of medialist different to Pi Presents")
self._wait_for_trigger()
# respond to key presses.
def key_pressed(self, key_name):
self.mon.log(self, "received key: " + key_name)
if key_name == '':
pass
elif key_name == 'escape':
# if next lower show is running pass down to stop the show and lower level
if self.shower <> None:
self.shower.key_pressed(key_name)
# if not at top stop the show
else:
if self.top == False:
self._end_mediashow_signal = True
# and if a track is running stop that first
if self.player <> None:
self.player.key_pressed(key_name)
else:
# at top level in a manual presentation stop the track
if self.show['progress'] == 'manual':
if self.player <> None:
self.player.key_pressed(key_name)
elif key_name in ('up', 'down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
# otherwise use keys for next or previous
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if key_name == 'up':
self._previous()
else:
self._next()
elif key_name == 'return':
# if child show or sub-show is running and is show - pass down- player does not use return
# ELSE use Return to start child or to start the show if waiting
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if self._state == 'playing':
if self.show['has-child'] == 'yes':
self._play_child_signal = True
# and stop the current track if its running
if self.player <> None:
self.player.key_pressed("escape")
else:
self._start_show()
elif key_name == 'pir':
self._start_show()
elif key_name in ('p', ' '):
# pass down if show or track running.
if self.shower <> None:
self.shower.key_pressed(key_name)
elif self.player <> None:
self.player.key_pressed(key_name)
def button_pressed(self, button, edge):
if button == 'play': self.key_pressed("return")
elif button == 'up': self.key_pressed("up")
elif button == 'down': self.key_pressed("down")
elif button == 'stop': self.key_pressed("escape")
elif button == 'pause': self.key_pressed('p')
elif button == 'PIR': self.key_pressed('pir')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.mon.log(self, "sent terminate to shower")
self.shower.terminate(reason)
elif self.player <> None:
self.mon.log(self, "sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,
'terminated without terminating shower or player')
def _tidy_up(self):
if self._poll_for_continue_timer <> None:
self.canvas.after_cancel(self._poll_for_continue_timer)
self._poll_for_continue_timer = None
if self._poll_for_interval_timer <> None:
self.canvas.after_cancel(self._poll_for_interval_timer)
self._poll_for_interval_timer = None
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
self._interval_timer = None
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error")
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self, message):
self._end_mediashow_signal = True
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
def _next(self):
# stop track if running and set signal
self._next_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
def _previous(self):
self._previous_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self, reason, message):
self._end_mediashow_signal = False
self.mon.log(self, "Ending Mediashow: " + self.show['show-ref'])
self._tidy_up()
self._end_callback(reason, message)
self = None
return
# ***************************
# Show sequencer
# ***************************
def _wait_for_trigger(self):
self._state = 'waiting'
if self.ready_callback <> None:
self.ready_callback()
self.mon.log(self, "Waiting for trigger: " + self.show['trigger'])
if self.show['trigger'] == "button":
# blank screen waiting for trigger if auto, otherwise display something
if self.show['progress'] == "manual":
text = self.resource('mediashow', 'm01')
else:
text = ""
self.display_message(self.canvas, 'text', text, 0,
self._start_show)
elif self.show['trigger'] == "PIR":
# blank screen waiting for trigger
text = self.resource('mediashow', 'm02')
self.display_message(self.canvas, 'text', text, 0,
self._start_show)
elif self.show['trigger'] == "start":
self._start_show()
else:
self.mon.err(self, "Unknown trigger: " + self.show['trigger'])
self._end('error', "Unknown trigger type")
def _start_show(self):
self._state = 'playing'
self._direction = 'forward'
# start interval timer
if self.show[
'repeat'] == "interval" and self.show['repeat-interval'] <> 0:
self._interval_timer_signal = False
self._interval_timer = self.canvas.after(
int(self.show['repeat-interval']) * 1000,
self._end_interval_timer)
# and play the first track unless commanded otherwise
if self.command == 'backward':
self.medialist.finish()
else:
self.medialist.start()
self._play_selected_track(self.medialist.selected_track())
def _what_next(self):
self._direction = 'forward'
# user wants to end, wait for any shows or tracks to have ended then end show
if self._end_mediashow_signal == True:
if self.player == None and self.shower == None:
self._end_mediashow_signal = False
self._end('normal', "show ended by user")
else:
pass
#returning from a subshow needing to move onward
elif self._req_next == 'do-next':
self._req_next = 'nil'
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self._req_next == 'do-previous':
self._req_next = 'nil'
self._direction = 'backward'
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self._play_child_signal == True:
self._play_child_signal = False
index = self.medialist.index_of_track('pp-child-show')
if index >= 0:
#don't select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self._display_eggtimer(self.resource('mediashow', 'm07'))
self._play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show['pp-child-show'])
self._end('error', "child show not found in medialist")
# skip to next track on user input
elif self._next_track_signal == True:
self._next_track_signal = False
if self.medialist.at_end() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-next', "Return from Sub Show")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self._previous_track_signal == True:
self._previous_track_signal = False
self._direction = 'backward'
if self.medialist.at_start() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-previous', "Return from Sub Show")
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show['progress'] == "auto":
if self.medialist.at_end() == True:
if self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == False:
self._end('do-next', "Return from Sub Show")
#### elif
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'oneshot' and self.top == True:
self._wait_for_trigger()
elif self._waiting_for_interval == True:
if self._interval_timer_signal == True:
self._interval_timer_signal = False
self._waiting_for_interval = False
self._start_show()
else:
self._poll_for_interval_timer = self.canvas.after(
1000, self._what_next)
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'interval' and int(
self.show['repeat-interval']) > 0:
self._waiting_for_interval = True
self._poll_for_interval_timer = self.canvas.after(
1000, self._what_next)
elif self.show['sequence'] == "ordered" and self.show[
'repeat'] == 'interval' and int(
self.show['repeat-interval']) == 0:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.mon.err(self, "Unhandled playing event: ")
self._end('error', "Unhandled playing event")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show['progress'] == "manual":
self._delete_eggtimer()
self._display_eggtimer(self.resource('mediashow', 'm03'))
self._poll_for_continue_timer = self.canvas.after(
500, self._what_next)
else:
#unhandled state
self.mon.err(self, "Unhandled playing event: ")
self._end('error', "Unhandled playing event")
def _end_interval_timer(self):
self._interval_timer_signal = True
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could be used.
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold'
}
self.player = MessagePlayer(canvas, tp, tp)
self.player.play(content, self._display_message_end, None)
def _display_message_end(self, reason, message):
self.player = None
if reason in ('error', 'killed'):
self._end(reason, message)
else:
self._display_message_callback()
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def _play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.canvas.delete(ALL)
if self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm04'))
# is menu required
if self.show['has-child'] == "yes":
enable_child = True
else:
enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.canvas, self.show, selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.canvas, self.show, selected_track)
self.player.play(text,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self._end('error', "Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,
top=False,
command=self._direction)
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.canvas,
self.showlist, self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower, top=False, command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self._end('error' "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self._end('error', "Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self, reason, message):
self._req_next = 'nil'
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm05'))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def end_shower(self, reason, message):
self._req_next = 'nil'
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show['progress'] == "manual":
self._display_eggtimer(self.resource('mediashow', 'm06'))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def _display_eggtimer(self, text):
self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) / 2,
text=text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks()
def _delete_eggtimer(self):
self.canvas.delete(ALL)
class LiveShow:
""" plays a set of tracks the content of which is dynamically specified by plaacing track files
in one of two directories. Tracks are played in file leafname alphabetical order.
Can be interrupted
"""
# *******************
# External interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params =show_params
self.showlist=showlist
self.root=root
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
#create and instance of TimeOfDay scheduler so we can add events
self.tod=TimeOfDay()
# Init variables
self.player=None
self.shower=None
self.end_liveshow_signal=False
self.end_trigger_signal= False
self.play_child_signal = False
self.error=False
self.egg_timer=None
self.duration_timer=None
self.state='closed'
self.livelist=None
self.new_livelist= None
def play(self,show_id,end_callback,ready_callback, top=False,command='nil'):
global defaultDur
if defaultDur == None:
defaultDur = self.showlist.get_dur()
#instantiate the arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.mon.log(self,"Starting show: " + self.show_params['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + os.sep + self.show_params['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self.end_liveshow_signal=True
self.options=command_options()
self.pp_live_dir1 = self.pp_home + os.sep + 'pp_live_tracks'
if not os.path.exists(self.pp_live_dir1):
os.mkdir(self.pp_live_dir1)
os.mkdir(self.pp_live_dir1+os.sep+ 'Archive')
self.pp_live_dir2=''
if self.options['liveshow'] <>"":
self.pp_live_dir2 = self.options['liveshow']
if not os.path.exists(self.pp_live_dir2):
self.mon.err(self,"live tracks directory not found " + self.pp_live_dir2)
self.end('error',"live tracks directory not found")
#create a medialist for the liveshow and read it.
# it should be empty of anonymous tracks but read it to check its version.
self.medialist=MediaList()
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get control bindings for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger-start']in('time','time-quiet'):
error_text=self.tod.add_times(self.show_params['trigger-start-time'],id(self),self.tod_start_callback,self.show_params['trigger-start'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='time':
error_text=self.tod.add_times(self.show_params['trigger-end-time'],id(self),self.tod_end_callback,'n/a')
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='duration':
error_text=self.calculate_duration(self.show_params['trigger-end-time'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
self.wait_for_trigger()
def managed_stop(self):
# if next lower show eor player is running pass down to stop the show/track
if self.shower<>None:
self.shower.managed_stop()
else:
self.end_liveshow_signal=True
if self.player<>None:
self.player.input_pressed('stop')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'terminated without terminating shower or player')
# respond to key presses.
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"received key: " + symbol)
if self.show_params['disable-controls']=='yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
# if no match for symbol against standard operations then return
if operation=='':
return
else:
#service the standard inputs for this show
if operation=='stop':
# if next lower show eor player is running pass down to stop the show/track
# ELSE stop this show except for exceptions
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
# not at top so stop the show
if self.top == False:
self.end_liveshow_signal=True
else:
pass
elif operation in ('up','down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif operation=='play':
# if child show or sub-show is running and is show - pass down
# ELSE use Return to start child
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.show_params['has-child']=="yes":
self.play_child_signal=True
if self.player<>None:
self.player.input_pressed("stop")
elif operation == 'pause':
# pass down if show or track running.
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Constructing Livelist
# ***************************
def livelist_add_track(self,afile):
(root,title)=os.path.split(afile)
(root_plus,ext)= os.path.splitext(afile)
if ext.lower() in PPdefinitions.IMAGE_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['image'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.VIDEO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['video'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.AUDIO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['audio'],{'title':title,'track-ref':'','location':afile})
if ext.lower() in PPdefinitions.WEB_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['web'],{'title':title,'track-ref':'','location':afile})
if ext.lower()=='.cfg':
self.livelist_new_plugin(afile,title)
def livelist_new_plugin(self,plugin_cfg,title):
# read the file which is a plugin cfg file into a dictionary
self.plugin_config = ConfigParser.ConfigParser()
self.plugin_config.read(plugin_cfg)
self.plugin_params = dict(self.plugin_config.items('plugin'))
# create a new livelist entry of a type specified in the config file with plugin
self.livelist_new_track(PPdefinitions.new_tracks[self.plugin_params['type']],{'title':title,'track-ref':'','plugin':plugin_cfg,'location':plugin_cfg})
def livelist_new_track(self,fields,values):
new_track=fields
self.new_livelist.append(copy.deepcopy(new_track))
last = len(self.new_livelist)-1
self.new_livelist[last].update(values)
def new_livelist_create(self):
self.new_livelist=[]
if os.path.exists(self.pp_live_dir1):
for file in os.listdir(self.pp_live_dir1):
file = self.pp_live_dir1 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if (ext_file.lower() in PPdefinitions.IMAGE_FILES+PPdefinitions.VIDEO_FILES+PPdefinitions.AUDIO_FILES+PPdefinitions.WEB_FILES) or (ext_file.lower()=='.cfg'):
self.livelist_add_track(file)
if os.path.exists(self.pp_live_dir2):
for file in os.listdir(self.pp_live_dir2):
file = self.pp_live_dir2 + os.sep + file
(root_file,ext_file)= os.path.splitext(file)
if ext_file.lower() in PPdefinitions.IMAGE_FILES+PPdefinitions.VIDEO_FILES+PPdefinitions.AUDIO_FILES+PPdefinitions.WEB_FILES or (ext_file.lower()=='.cfg'):
self.livelist_add_track(file)
self.new_livelist= sorted(self.new_livelist, key= lambda track: os.path.basename(track['location']).lower())
# print 'LIVELIST'
# for it in self.new_livelist:
# print 'type: ', it['type'], 'loc: ',it['location'],'\nplugin cfg: ', it['plugin']
# print ''
def livelist_replace_if_changed(self):
self.new_livelist_create()
if self.new_livelist<>self.livelist:
self.livelist=copy.deepcopy(self.new_livelist)
self.livelist_index = 1
def livelist_next(self):
skip = False
if self.livelist_index== len(self.livelist)-1:
self.livelist_index=0
else:
self.livelist_index +=1
#Author Joe Houng
#get properties from file name if it exists
runningFileName = self.livelist[self.livelist_index]['title']
fileNameTupel = ProcessFileName(runningFileName)
dur = fileNameTupel[0]
startDate = fileNameTupel[1]
endDate = fileNameTupel[2]
if dur == "":
#duration not specified in filename
global defaultDur
dur = defaultDur
if startDate != "":
curDate = time.strftime('%Y-%m-%d-%H-%M-%S')
if startDate > curDate:
print dur
self.livelist_index +=1
skip = True
dur = defaultDur
if skip == False:
if endDate != "":
if endDate <= time.strftime('%Y-%m-%d-%H-%M-%S'):
try:
toArchive(runningFileName, self.pp_home)
except IOError:
None
self.showlist.assign_dur(dur);
skip = False
# ***************************
# Sequencing
# ***************************
def wait_for_trigger(self):
self.state='waiting'
if self.ready_callback<>None:
self.ready_callback()
self.mon.log(self,"Waiting for trigger: "+ self.show_params['trigger-start'])
if self.show_params['trigger-start'] in ('time','time-quiet'):
# if next show is this one display text
next_show=self.tod.next_event_time()
if next_show[3]<>True:
if next_show[1]=='tomorrow':
text = self.resource('liveshow','m04')
else:
text = self.resource('liveshow','m03')
text=text.replace('%tt',next_show[0])
self.display_message(self.canvas,'text',text,0,self.play_first_track)
elif self.show_params['trigger-start']=="start":
self.play_first_track()
else:
self.mon.err(self,"Unknown trigger: "+ self.show_params['trigger-start'])
self.end('error',"Unknown trigger type")
# callbacks from time of day scheduler
def tod_start_callback(self):
if self.state=='waiting' and self.show_params['trigger-start']in('time','time-quiet'):
self.play_first_track()
def tod_end_callback(self):
if self.state=='playing' and self.show_params['trigger-end'] in ('time','duration'):
self.end_trigger_signal=True
if self.shower<>None:
self.shower.input_pressed('stop','front','')
elif self.player<>None:
self.player.input_pressed('stop')
def play_first_track(self):
self.state='playing'
skip = False
# start duration timer
if self.show_params['trigger-end']=='duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration*1000,self.tod_end_callback)
self.new_livelist_create()
self.livelist = copy.deepcopy(self.new_livelist)
self.livelist_index = 0
#Author Joe Houng
#get properties from file name if it exists
runningFileName = self.livelist[self.livelist_index]['title']
fileNameTupel = ProcessFileName(runningFileName)
dur = fileNameTupel[0]
startDate = fileNameTupel[1]
endDate = fileNameTupel[2]
if dur == "":
#duration not specified in filename
global defaultDur
dur = defaultDur
if startDate != "":
curDate = time.strftime('%Y-%m-%d')
if startDate > curDate:
print dur
self.livelist_index +=1
skip = True
if skip == False:
if endDate != "":
if endDate <= time.strftime('%Y-%m-%d'):
toArchive(runningFileName)
self.showlist.assign_dur(dur);
skip = False
self.play_track()
def play_track(self):
self.livelist_replace_if_changed()
if len(self.livelist)>0:
self.play_selected_track(self.livelist[self.livelist_index])
else:
self.display_message(self.canvas,None,self.resource('liveshow','m01'),5,self.what_next)
def what_next(self):
# end of show time trigger
if self.end_trigger_signal==True:
self.end_trigger_signal=False
if self.top==True:
self.state='waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal','sub-show end time trigger')
# user wants to end
elif self.end_liveshow_signal==True:
self.end_liveshow_signal=False
self.end('normal',"show ended by user")
# play child?
elif self.play_child_signal == True:
self.play_child_signal=False
index = self.medialist.index_of_track('pp-child-show')
if index >=0:
#don't select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self.display_eggtimer(self.resource('liveshow','m02'))
self.play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show_params['pp-child-show'])
self.end('error',"child show not found in medialist")
# otherwise loop to next track
else:
self.livelist_next()
self.play_track()
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
self.canvas.delete('pp-content')
# is menu required
if self.show_params['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end_liveshow_signal=True
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
sef.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end_liveshow_signal=True
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end_liveshow_signal=True
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.what_next()
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.what_next()
# ***************************
# end of show
# ***************************
def end(self,reason,message):
self.end_liveshow_signal=False
self.mon.log(self,"Ending Liveshow: "+ self.show_params['show-ref'])
self.tidy_up()
self.end_callback(self.show_id,reason,message)
self=None
def tidy_up(self):
if self.duration_timer<>None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer=None
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
# ******************************
# Displaying things
# *********************************
def display_eggtimer(self,text):
self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks( )
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self,canvas,source,content,duration,display_message_callback):
self.display_message_callback=display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold','message-justify':'left',
'background-colour':'','background-image':'','show-control-begin':'','show-control-end':'',
'animate-begin':'','animate-clear':'','animate-end':'','message-x':'','message-y':'',
'display-show-background':'no','display-show-text':'no','show-text':'','track-text':'',
'plugin':''}
self.player=MessagePlayer(self.show_id,self.root,canvas,tp,tp,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(content,self.showlist,self.display_message_end,None)
def display_message_end(self,reason,message):
self.player=None
if reason in ("killed",'error'):
self.end(reason,message)
else:
self.display_message_callback()
# ******************************
# utilities
# *********************************
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error",'Cannot find resource')
else:
return value
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def calculate_duration(self,line):
fields=line.split(':')
if len(fields)==1:
secs=fields[0]
minutes='0'
hours='0'
if len(fields)==2:
secs=fields[1]
minutes=fields[0]
hours='0'
if len(fields)==3:
secs=fields[2]
minutes=fields[1]
hours=fields[0]
self.duration=3600*long(hours)+60*long(minutes)+long(secs)
return ''
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
self.canvas.delete('pp-content')
# is menu required
if self.show_params['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end_liveshow_signal=True
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
sef.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end_liveshow_signal=True
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end_liveshow_signal=True
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
self.canvas.delete(ALL)
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self._display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
enable_child=False
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=enable_child,
)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.canvas,self.show,selected_track)
self.player.play(text,
self._end_player,
self._delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self._end_shower,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self._end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end("Unknown track type")
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.canvas.delete('pp-content')
self.display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track['location'])
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track['location'])
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
track_file=self.complete_path(selected_track['location'])
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track['location'])
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self,
show,
canvas,
showlist,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show =show
self.showlist=showlist
self.canvas=canvas
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# Init variables
self.player=None
self.shower=None
self._poll_for_interval_timer=None
self._poll_for_continue_timer=None
self._waiting_for_interval=False
self._interval_timer=None
self.error=False
self._interval_timer_signal=False
self._end_mediashow_signal=False
self._next_track_signal=False
self._previous_track_signal=False
self._play_child_signal = False
self._req_next='nil'
self._state='closed'
def play(self,end_callback,ready_callback=None, top=False,command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self._end_callback=end_callback
self._ready_callback=ready_callback
self.top=top
self.command=command
self.mon.log(self,"Starting show: " + self.show['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self._end('error',"Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self._end('error',"Version of medialist different to Pi Presents")
self._wait_for_trigger()
# respond to key presses.
def key_pressed(self,key_name):
self.mon.log(self,"received key: " + key_name)
if key_name=='':
pass
elif key_name=='escape':
# if next lower show is running pass down to stop the show and lower level
if self.shower<>None:
self.shower.key_pressed(key_name)
# if not at top stop the show
else:
if self.top == False:
self._end_mediashow_signal=True
# and if a track is running stop that first
if self.player<>None:
self.player.key_pressed(key_name)
else:
# at top level in a manual presentation stop the track
if self.show['progress']=='manual':
if self.player<>None:
self.player.key_pressed(key_name)
elif key_name in ('up','down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
# otherwise use keys for next or previous
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if key_name=='up':
self._previous()
else:
self._next()
elif key_name=='return':
# if child show or sub-show is running and is show - pass down- player does not use return
# ELSE use Return to start child or to start the show if waiting
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self._state=='playing':
if self.show['has-child']=='yes':
self._play_child_signal=True
# and stop the current track if its running
if self.player<>None:
self.player.key_pressed("escape")
else:
self._start_show()
elif key_name=='pir':
self._start_show()
elif key_name in ('p',' '):
# pass down if show or track running.
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
def button_pressed(self,button,edge):
if button=='play': self.key_pressed("return")
elif button =='up': self.key_pressed("up")
elif button=='down': self.key_pressed("down")
elif button=='stop': self.key_pressed("escape")
elif button=='pause': self.key_pressed('p')
elif button=='PIR': self.key_pressed('pir')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.mon.log(self,"sent terminate to shower")
self.shower.terminate(reason)
elif self.player<>None:
self.mon.log(self,"sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,'terminated without terminating shower or player')
def _tidy_up(self):
if self._poll_for_continue_timer<>None:
self.canvas.after_cancel(self._poll_for_continue_timer)
self._poll_for_continue_timer=None
if self._poll_for_interval_timer<>None:
self.canvas.after_cancel(self._poll_for_interval_timer)
self._poll_for_interval_timer=None
if self._interval_timer<>None:
self.canvas.after_cancel(self._interval_timer)
self._interval_timer=None
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error")
else:
return value
# ***************************
# Respond to key/button presses
# ***************************
def _stop(self,message):
self._end_mediashow_signal=True
if self._interval_timer<>None:
self.canvas.after_cancel(self._interval_timer)
def _next(self):
# stop track if running and set signal
self._next_track_signal=True
if self.shower<>None:
self.shower.key_pressed("escape")
else:
if self.player<>None:
self.player.key_pressed("escape")
def _previous(self):
self._previous_track_signal=True
if self.shower<>None:
self.shower.key_pressed("escape")
else:
if self.player<>None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self,reason,message):
self._end_mediashow_signal=False
self.mon.log(self,"Ending Mediashow: "+ self.show['show-ref'])
self._tidy_up()
self._end_callback(reason,message)
self=None
return
# ***************************
# Show sequencer
# ***************************
def _wait_for_trigger(self):
self._state='waiting'
if self.ready_callback<>None:
self.ready_callback()
self.mon.log(self,"Waiting for trigger: "+ self.show['trigger'])
if self.show['trigger']=="button":
# blank screen waiting for trigger if auto, otherwise display something
if self.show['progress']=="manual":
text= self.resource('mediashow','m01')
else:
text=""
self.display_message(self.canvas,'text',text,0,self._start_show)
elif self.show['trigger']=="PIR":
# blank screen waiting for trigger
text = self.resource('mediashow','m02')
self.display_message(self.canvas,'text',text,0,self._start_show)
elif self.show['trigger']=="start":
self._start_show()
else:
self.mon.err(self,"Unknown trigger: "+ self.show['trigger'])
self._end('error',"Unknown trigger type")
def _start_show(self):
self._state='playing'
self._direction='forward'
# start interval timer
if self.show['repeat']=="interval" and self.show['repeat-interval']<>0:
self._interval_timer_signal=False
self._interval_timer=self.canvas.after(int(self.show['repeat-interval'])*1000,self._end_interval_timer)
# and play the first track unless commanded otherwise
if self.command=='backward':
self.medialist.finish()
else:
self.medialist.start()
self._play_selected_track(self.medialist.selected_track())
def _what_next(self):
self._direction='forward'
# user wants to end, wait for any shows or tracks to have ended then end show
if self._end_mediashow_signal==True:
if self.player==None and self.shower==None:
self._end_mediashow_signal=False
self._end('normal',"show ended by user")
else:
pass
#returning from a subshow needing to move onward
elif self._req_next=='do-next':
self._req_next='nil'
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self._req_next=='do-previous':
self._req_next='nil'
self._direction='backward'
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self._play_child_signal == True:
self._play_child_signal=False
index = self.medialist.index_of_track('pp-child-show')
if index >=0:
#don't select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self._display_eggtimer(self.resource('mediashow','m07'))
self._play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show['pp-child-show'])
self._end('error',"child show not found in medialist")
# skip to next track on user input
elif self._next_track_signal==True:
self._next_track_signal=False
if self.medialist.at_end()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-next',"Return from Sub Show")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self._previous_track_signal==True:
self._previous_track_signal=False
self._direction='backward'
if self.medialist.at_start()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-previous',"Return from Sub Show")
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous()
self._play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show['progress']=="auto":
if self.medialist.at_end()==True:
if self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==False:
self._end('do-next',"Return from Sub Show")
#### elif
elif self.show['sequence']=="ordered" and self.show['repeat']=='oneshot' and self.top==True:
self._wait_for_trigger()
elif self._waiting_for_interval==True:
if self._interval_timer_signal==True:
self._interval_timer_signal=False
self._waiting_for_interval=False
self._start_show()
else:
self._poll_for_interval_timer=self.canvas.after(1000,self._what_next)
elif self.show['sequence']=="ordered" and self.show['repeat']=='interval' and int(self.show['repeat-interval'])>0:
self._waiting_for_interval=True
self._poll_for_interval_timer=self.canvas.after(1000,self._what_next)
elif self.show['sequence']=="ordered" and self.show['repeat']=='interval' and int(self.show['repeat-interval'])==0:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
else:
self.mon.err(self,"Unhandled playing event: ")
self._end('error',"Unhandled playing event")
else:
self.medialist.next()
self._play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show['progress']=="manual":
self._delete_eggtimer()
self._display_eggtimer(self.resource('mediashow','m03'))
self._poll_for_continue_timer=self.canvas.after(500,self._what_next)
else:
#unhandled state
self.mon.err(self,"Unhandled playing event: ")
self._end('error',"Unhandled playing event")
def _end_interval_timer(self):
self._interval_timer_signal=True
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could be used.
def display_message(self,canvas,source,content,duration,_display_message_callback):
self._display_message_callback=_display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold'}
self.player=MessagePlayer(canvas,tp,tp)
self.player.play(content,self._display_message_end,None)
def _display_message_end(self,reason,message):
self.player=None
if reason in ('error','killed'):
self._end(reason,message)
else:
self._display_message_callback()
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.canvas.delete(ALL)
if self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m04'))
# is menu required
if self.show['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.canvas,self.show,selected_track)
self.player.play(text,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end('error',"Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command=self._direction)
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end('error'"Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end('error',"Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self,reason,message):
self._req_next='nil'
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self._end(reason,message)
elif self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m05'))
self._req_next=reason
self._what_next()
else:
self._req_next=reason
self._what_next()
def end_shower(self,reason,message):
self._req_next='nil'
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in("killed","error"):
self._end(reason,message)
elif self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m06'))
self._req_next=reason
self._what_next()
else:
self._req_next=reason
self._what_next()
def _display_eggtimer(self,text):
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks( )
def _delete_eggtimer(self):
self.canvas.delete(ALL)
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.delete_eggtimer()
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm04'))
# is menu required
if self.show_params['has-child'] == "yes":
self.enable_child = True
else:
self.enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end('error', "Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command=self.direction)
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end('error' "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end('error', "Unknown track type")
class HyperlinkShow:
"""
Aimed at touchscreens but can be used for any purpose where the user is required to follow hyperlinks between tracks
Profiles for media tracks (message, image, video, audio ) specify links to other tracks
in a link a symbolic name of an input is associated with a track-reference
The show begins at first-track and then uses events (GPIO, keypresses etc.) to link to other tracks via their symbolic names
If using 'call' keeps a record of the tracks it has visited so the 'return' command can go back.
Executes timeout-track if no user input is received.
links are of the form:
symbolic-name command [track-ref]
link commands:
call <track-ref> play track-ref and add it to the path
return - return 1 back up the path removing the track from the path, stops at home-track.
return n - return n tracks back up the path removing the track from the path, stops at home-track.
return <track-ref> return to <track-ref> removing tracks from the path
home - return to home-track removing tracks from the path
jump <track-ref-> - play trck-ref forgetting the path back to home-track
goto <track-ref> - play track-ref, forget the path
exit - end the hyperlink show
null - inhibits the link defined in the show with the same symbolic name.
reserved symbolic names
pp-onend command - pseudo symbolic name for end of a track
interface:
* play - selects the first track to play (first-track)
* input_pressed, - receives user events passes them to a Shower/Player if a track is playing,
otherwise actions them depending on the symbolic name supplied
"""
# *********************
# external interface
# ********************
def __init__(self, show_params, root, canvas, showlist, pp_dir, pp_home,
pp_profile):
""" canvas - the canvas that the tracks of the event show are to be written on
show_params - the name of the configuration dictionary section for the hyperlinkshow
showlist - the showlist, to enable runningnof show type tracks.
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show_params = show_params
self.root = root
self.showlist = showlist
self.canvas = canvas
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
#create a path stack
self.path = PathManager()
# init variables
self.drawn = None
self.player = None
self.shower = None
self.timeout_running = None
self.error = False
def play(self,
show_id,
end_callback,
ready_callback,
top=False,
command='nil'):
""" starts the hyperlink show at start-track
end_callback - function to be called when the show exits
ready_callback - callback when event-show is ready to display its forst track (not used?)
top is True when the show is top level (run from [start] or from show control)
command is not used
"""
#instantiate arguments
self.show_id = show_id
self.end_callback = end_callback
self.ready_callback = ready_callback
self.top = top
self.command = command
# check data files are available.
self.medialist_file = self.pp_profile + "/" + self.show_params[
'medialist']
if not os.path.exists(self.medialist_file):
self.mon.err(self,
"Medialist file not found: " + self.medialist_file)
self.end('error', "Medialist file not found")
#create a medialist object for the hyperlinkshow and read the file into it.
self.medialist = MediaList()
if self.medialist.open_list(self.medialist_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
#get controls for this show if top level
controlsmanager = ControlsManager()
if self.top == True:
self.controls_list = controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list = controlsmanager.merge_show_controls(
self.controls_list, self.show_params['controls'])
# read show links and destinations
self.first_track_ref = self.show_params['first-track-ref']
self.home_track_ref = self.show_params['home-track-ref']
self.timeout_track_ref = self.show_params['timeout-track-ref']
# state variables and signals
self.end_hyperlinkshow_signal = False
self.egg_timer = None
self.next_track_signal = False
self.next_track_ref = ''
self.current_track_ref = ''
self.current_track_type = ''
# ready callback for show
if self.ready_callback <> None:
self.ready_callback()
self.canvas.delete('pp-content')
self.canvas.config(bg='black')
self.do_first_track()
#stop received from another concurrent show via ShowManager
def managed_stop(self):
# set signal to stop the hyperlinkshow when all sub-shows and players have ended
self.end_hyperlinkshow_signal = True
# then stop and shows or tracks.
if self.shower <> None:
self.shower.managed_stop()
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.end('normal', 'stopped by ShowManager')
# kill or error
def terminate(self, reason):
self.end_hyperlinkshow_signal = True
if self.shower <> None:
self.shower.terminate(reason)
elif self.player <> None:
self.player.terminate(reason)
else:
self.end(reason, 'terminated without terminating shower or player')
# respond to inputs
def input_pressed(self, symbol, edge, source):
self.mon.log(self, "received symbol: " + symbol)
#does the symbol match a link, if so execute it
if self.is_link(symbol, edge, source) == True:
return
# controls are disabled so ignore anything else
if self.show_params['disable-controls'] == 'yes':
return
# does it match a control
# if at top convert symbolic name to operation otherwise lower down we have received an operatio
# look through list of controls to find match
if self.top == True:
operation = self.lookup_control(symbol, self.controls_list)
else:
operation = symbol
# print 'operation',operation
if operation <> '':
self.do_operation(operation, edge, source)
def do_operation(self, operation, edge, source):
if self.shower <> None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation, edge, source)
else:
# control this show and its tracks
if operation == 'stop':
if self.player <> None:
if self.current_track_ref == self.first_track_ref and self.top == False:
self.end_radiobuttonshow_signal = True
self.player.input_pressed('stop')
elif operation == 'pause':
if self.player <> None:
self.player.input_pressed(operation)
elif operation[0:4] == 'omx-' or operation[
0:6] == 'mplay-' or operation[0:5] == 'uzbl-':
if self.player <> None:
self.player.input_pressed(operation)
def is_link(self, symbol, edge, source):
# find the first entry in links that matches the symbol and execute its operation
# print 'hyperlinkshow ',symbol
found = False
for link in self.links:
#print link
if symbol == link[0]:
found = True
if link[1] <> 'null':
# print 'match',link[0]
link_operation = link[1]
if link_operation == 'home':
self.do_home(edge, source)
elif link_operation == 'return':
self.do_return(link[2], edge, source)
elif link_operation == 'call':
self.do_call(link[2], edge, source)
elif link_operation == 'goto':
self.do_goto(link[2], edge, source)
elif link_operation == 'jump':
self.do_jump(link[2], edge, source)
elif link_operation == 'exit':
self.end('normal', 'executed exit command')
return found
def lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Show Sequencer
# *********************
def timeout_callback(self):
self.do_call(self.timeout_track_ref, 'front', 'timeout')
def do_call(self, track_ref, edge, source):
if track_ref <> self.current_track_ref:
self.mon.log(self, 'call: ' + track_ref)
self.next_track_signal = True
self.next_track_op = 'call'
self.next_track_arg = track_ref
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_goto(self, to, edge, source):
if to <> self.current_track_ref:
self.mon.log(self, 'goto: ' + to)
self.next_track_signal = True
self.next_track_op = 'goto'
self.next_track_arg = to
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_jump(self, to, edge, source):
if to <> self.current_track_ref:
self.mon.log(self, 'jump to: ' + to)
self.next_track_signal = True
self.next_track_op = 'jump'
self.next_track_arg = to
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_return(self, to, edge, source):
self.next_track_signal = True
if to.isdigit() or to == '':
self.mon.log(self, 'hyperlink command - return by: ' + to)
self.next_track_op = 'return-by'
if to == '':
self.next_track_arg = '1'
else:
self.next_track_arg = to
else:
self.mon.log(self, 'hyperlink command - return to: ' + to)
self.next_track_op = 'return-to'
self.next_track_arg = to
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_home(self, edge, source):
if self.current_track_ref <> self.home_track_ref:
self.mon.log(self, 'hyperlink command - home')
self.next_track_signal = True
self.next_track_op = 'home'
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_first_track(self):
index = self.medialist.index_of_track(self.first_track_ref)
if index >= 0:
#don't use select the track as not using selected_track in hyperlinkshow
first_track = self.medialist.track(index)
self.current_track_ref = first_track['track-ref']
self.path.append(first_track['track-ref'])
self.play_selected_track(first_track)
else:
self.mon.err(
self, "first-track not found in medialist: " +
self.show_params['first-track-ref'])
self.end('error', "first track not found in medialist")
def what_next(self):
# user wants to end the show
if self.end_hyperlinkshow_signal == True:
self.end_hyperlinkshow_signal = False
self.end('normal', "show ended by user")
# user has selected another track
elif self.next_track_signal == True:
self.next_track_signal = False
# home
if self.next_track_op in ('home'):
# back to 1 before home
back_ref = self.path.back_to(self.home_track_ref)
if back_ref == '':
self.mon.err(
self, "home - home track not in path: " +
self.home_track_ref)
self.end('error', "home - home track not in path")
# play home
self.next_track_ref = self.home_track_ref
self.path.append(self.next_track_ref)
# return-by
elif self.next_track_op in ('return-by'):
if self.current_track_ref <> self.home_track_ref:
# back n stopping at home
# back one more and return it
back_ref = self.path.back_by(self.home_track_ref,
self.next_track_arg)
# use returned track
self.next_track_ref = back_ref
self.path.append(self.next_track_ref)
# return-to
elif self.next_track_op in ('return-to'):
#back to one before return-to track
back_ref = self.path.back_to(self.next_track_arg)
if back_ref == '':
self.mon.err(
self, "return-to - track not in path: " +
self.next_track_arg)
self.end('error', "return-to - track not in path")
# and append the return to track
self.next_track_ref = self.next_track_arg
self.path.append(self.next_track_ref)
# call
elif self.next_track_op in ('call'):
# append the required track
self.path.append(self.next_track_arg)
self.next_track_ref = self.next_track_arg
# goto
elif self.next_track_op in ('goto'):
self.path.pop_for_sibling()
## #back to first track and remove it
## back_ref=self.path.back_to(self.first_track_ref)
## if back_ref=='':
## self.mon.err(self,"goto - first track not in path: "+self.first_track_ref)
## self.end('error',"goto - first track not in path")
#add the goto track
self.next_track_ref = self.next_track_arg
self.path.append(self.next_track_arg)
# jump
elif self.next_track_op in ('jump'):
# back to home and remove it
back_ref = self.path.back_to(self.home_track_ref)
if back_ref == '':
self.mon.err(
self, "jump - home track not in path: " +
self.home_track_ref)
self.end('error', "jump - track not in path")
# add back the home track without playing it
self.path.append(self.home_track_ref)
# append the jumped to track
self.next_track_ref = self.next_track_arg
self.path.append(self.next_track_ref)
else:
self.mon.err(
self, "unaddressed what next: " + self.next_track_op +
' ' + self.next_track_arg)
self.end('error', "unaddressed what next")
self.current_track_ref = self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >= 0:
#don't use select the track as not using selected_track in hyperlinkshow
next_track = self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(
self, "next-track not found in medialist: " +
self.next_track_ref)
self.end('error', "next track not found in medialist")
else:
#track ends naturally
#then input pp-onend symbolic name
self.input_pressed('pp-onend', 'front', 'key')
# *********************
# Dispatching to Players
# *********************
def page_callback(self):
# called from a Player when ready to play, merge the links from the track with those from the show
# and then enable the click areas
self.delete_eggtimer()
links_text = self.player.get_links()
reason, message, track_links = self.path.parse_links(links_text)
if reason == 'error':
self.mon.err(self, message + " in page")
self.end('error', message)
self.path.merge_links(self.links, track_links)
# enable the click-area that are in the list of links
self.enable_click_areas()
def enable_click_areas(self):
for link in self.links:
#print 'trying link ',link[0]
if not ('key-'
in link[0]) and link[1] <> 'null' and link[0] <> 'pp-auto':
# print 'enabling link ',link[0]
self.canvas.itemconfig(link[0], state='normal')
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running <> None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running = None
# self.canvas.delete(ALL)
self.display_eggtimer(self.resource('hyperlinkshow', 'm01'))
self.current_track_type = selected_track['type']
#read the show links. Track links will be added by ready_callback
links_text = self.show_params['links']
reason, message, self.links = self.path.parse_links(links_text)
if reason == 'error':
self.mon.err(self, message + " in show")
self.end('error', message)
#start timeout for the track if required
if self.current_track_ref <> self.first_track_ref and int(
self.show_params['timeout']) <> 0:
self.timeout_running = self.canvas.after(
int(self.show_params['timeout']) * 1000, self.timeout_callback)
# dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "image":
track_file = self.complete_path(selected_track)
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(
track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "show":
self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist, self,
pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self, reason, message):
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
# this does not seem to change the colour of the polygon
self.canvas.itemconfig('pp-click-area', state='hidden')
self.canvas.update_idletasks()
if reason in ("killed", "error"):
self.end(reason, message)
else:
self.display_eggtimer(self.resource('hyperlinkshow', 'm02'))
self.what_next()
# callback from when shower ends
def end_shower(self, show_id, reason, message):
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
self.canvas.itemconfig('pp-click-area', state='hidden')
self.canvas.update_idletasks()
if reason in ("killed", "error"):
self.end(reason, message)
else:
self.display_eggtimer(self.resource('hyperlinkshow', 'm03'))
self.what_next()
# *********************
# End the show
# *********************
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def end(self, reason, message):
self.mon.log(self,
"Ending hyperlinkshow: " + self.show_params['show-ref'])
self.end_callback(self.show_id, reason, message)
self = None
return
# *********************
# displaying things
# *********************
def display_eggtimer(self, text):
#self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
#int(self.canvas['height'])/2,
#text= text,
# fill='white',
# font="Helvetica 20 bold")
#self.canvas.update_idletasks( )
pass
def delete_eggtimer(self):
if self.egg_timer != None:
self.canvas.delete(self.egg_timer)
# *********************
# utilities
# *********************
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file <> '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
# players or showers may be running so need terminate
self.terminate("error")
else:
return value
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running <> None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running = None
# self.canvas.delete(ALL)
self.display_eggtimer(self.resource('hyperlinkshow', 'm01'))
self.current_track_type = selected_track['type']
#read the show links. Track links will be added by ready_callback
links_text = self.show_params['links']
reason, message, self.links = self.path.parse_links(links_text)
if reason == 'error':
self.mon.err(self, message + " in show")
self.end('error', message)
#start timeout for the track if required
if self.current_track_ref <> self.first_track_ref and int(
self.show_params['timeout']) <> 0:
self.timeout_running = self.canvas.after(
int(self.show_params['timeout']) * 1000, self.timeout_callback)
# dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "image":
track_file = self.complete_path(selected_track)
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(
track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type == "show":
self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist, self,
pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end("Unknown track type")
class LiveShow:
""" plays a set of tracks the content of which is dynamically specified by plaacing track files
in one of two directories. Tracks are played in file leafname alphabetical order.
Can be interrupted
"""
# *******************
# External interface
# ********************
def __init__(self, show_params, root, canvas, showlist, pp_dir, pp_home,
pp_profile):
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show_params = show_params
self.showlist = showlist
self.root = root
self.canvas = canvas
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
#create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
# Init variables
self.player = None
self.shower = None
self.end_liveshow_signal = False
self.end_trigger_signal = False
self.play_child_signal = False
self.error = False
self.egg_timer = None
self.duration_timer = None
self.state = 'closed'
self.livelist = None
self.new_livelist = None
def play(self,
show_id,
end_callback,
ready_callback,
top=False,
command='nil'):
#instantiate the arguments
self.show_id = show_id
self.end_callback = end_callback
self.ready_callback = ready_callback
self.top = top
self.mon.log(self, "Starting show: " + self.show_params['show-ref'])
# check data files are available.
self.media_file = self.pp_profile + os.sep + self.show_params[
'medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self.end_liveshow_signal = True
self.options = command_options()
self.pp_live_dir1 = self.pp_home + os.sep + 'pp_live_tracks'
if not os.path.exists(self.pp_live_dir1):
os.mkdir(self.pp_live_dir1)
self.pp_live_dir2 = ''
if self.options['liveshow'] <> "":
self.pp_live_dir2 = self.options['liveshow']
if not os.path.exists(self.pp_live_dir2):
self.mon.err(
self,
"live tracks directory not found " + self.pp_live_dir2)
self.end('error', "live tracks directory not found")
#create a medialist for the liveshow and read it.
# it should be empty of anonymous tracks but read it to check its version.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
#get control bindings for this show if top level
controlsmanager = ControlsManager()
if self.top == True:
self.controls_list = controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list = controlsmanager.merge_show_controls(
self.controls_list, self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger-start'] in ('time', 'time-quiet'):
error_text = self.tod.add_times(
self.show_params['trigger-start-time'], id(self),
self.tod_start_callback, self.show_params['trigger-start'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'time':
error_text = self.tod.add_times(
self.show_params['trigger-end-time'], id(self),
self.tod_end_callback, 'n/a')
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'duration':
error_text = self.calculate_duration(
self.show_params['trigger-end-time'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
self.wait_for_trigger()
def managed_stop(self):
# if next lower show eor player is running pass down to stop the show/track
if self.shower <> None:
self.shower.managed_stop()
else:
self.end_liveshow_signal = True
if self.player <> None:
self.player.input_pressed('stop')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.shower.terminate(reason)
elif self.player <> None:
self.player.terminate(reason)
else:
self.end(reason, 'terminated without terminating shower or player')
# respond to key presses.
def input_pressed(self, symbol, edge, source):
self.mon.log(self, "received key: " + symbol)
if self.show_params['disable-controls'] == 'yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top == True:
operation = self.lookup_control(symbol, self.controls_list)
else:
operation = symbol
# print 'operation',operation
# if no match for symbol against standard operations then return
if operation == '':
return
else:
#service the standard inputs for this show
if operation == 'stop':
# if next lower show eor player is running pass down to stop the show/track
# ELSE stop this show except for exceptions
if self.shower <> None:
self.shower.input_pressed('stop', edge, source)
elif self.player <> None:
self.player.input_pressed('stop')
else:
# not at top so stop the show
if self.top == False:
self.end_liveshow_signal = True
else:
pass
elif operation in ('up', 'down'):
# if child or sub-show is running and is a show pass to show, track does not use up/down
if self.shower <> None:
self.shower.input_pressed(operation, edge, source)
elif operation == 'play':
# if child show or sub-show is running and is show - pass down
# ELSE use Return to start child
if self.shower <> None:
self.shower.input_pressed(operation, edge, source)
else:
if self.show_params['has-child'] == "yes":
self.play_child_signal = True
if self.player <> None:
self.player.input_pressed("stop")
elif operation == 'pause':
# pass down if show or track running.
if self.shower <> None:
self.shower.input_pressed(operation, edge, source)
elif self.player <> None:
self.player.input_pressed(operation)
elif operation[0:4] == 'omx-' or operation[0:6] == 'mplay-':
if self.player <> None:
self.player.input_pressed(operation)
def lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Constructing Livelist
# ***************************
def livelist_add_track(self, afile):
(root, title) = os.path.split(afile)
(root_plus, ext) = os.path.splitext(afile)
if ext.lower() in PPdefinitions.IMAGE_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['image'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() in PPdefinitions.VIDEO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['video'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() in PPdefinitions.AUDIO_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['audio'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() in PPdefinitions.WEB_FILES:
self.livelist_new_track(PPdefinitions.new_tracks['web'], {
'title': title,
'track-ref': '',
'location': afile
})
if ext.lower() == '.cfg':
self.livelist_new_plugin(afile, title)
def livelist_new_plugin(self, plugin_cfg, title):
# read the file which is a plugin cfg file into a dictionary
self.plugin_config = ConfigParser.ConfigParser()
self.plugin_config.read(plugin_cfg)
self.plugin_params = dict(self.plugin_config.items('plugin'))
# create a new livelist entry of a type specified in the config file with plugin
self.livelist_new_track(
PPdefinitions.new_tracks[self.plugin_params['type']], {
'title': title,
'track-ref': '',
'plugin': plugin_cfg,
'location': plugin_cfg
})
def livelist_new_track(self, fields, values):
new_track = fields
self.new_livelist.append(copy.deepcopy(new_track))
last = len(self.new_livelist) - 1
self.new_livelist[last].update(values)
def new_livelist_create(self):
self.new_livelist = []
if os.path.exists(self.pp_live_dir1):
for file in os.listdir(self.pp_live_dir1):
file = self.pp_live_dir1 + os.sep + file
(root_file, ext_file) = os.path.splitext(file)
if (ext_file.lower() in PPdefinitions.IMAGE_FILES +
PPdefinitions.VIDEO_FILES + PPdefinitions.AUDIO_FILES +
PPdefinitions.WEB_FILES) or (ext_file.lower()
== '.cfg'):
self.livelist_add_track(file)
if os.path.exists(self.pp_live_dir2):
for file in os.listdir(self.pp_live_dir2):
file = self.pp_live_dir2 + os.sep + file
(root_file, ext_file) = os.path.splitext(file)
if ext_file.lower(
) in PPdefinitions.IMAGE_FILES + PPdefinitions.VIDEO_FILES + PPdefinitions.AUDIO_FILES + PPdefinitions.WEB_FILES or (
ext_file.lower() == '.cfg'):
self.livelist_add_track(file)
self.new_livelist = sorted(
self.new_livelist,
key=lambda track: os.path.basename(track['location']).lower())
# print 'LIVELIST'
# for it in self.new_livelist:
# print 'type: ', it['type'], 'loc: ',it['location'],'\nplugin cfg: ', it['plugin']
# print ''
def livelist_replace_if_changed(self):
self.new_livelist_create()
if self.new_livelist <> self.livelist:
self.livelist = copy.deepcopy(self.new_livelist)
self.livelist_index = 0
def livelist_next(self):
if self.livelist_index == len(self.livelist) - 1:
self.livelist_index = 0
else:
self.livelist_index += 1
# ***************************
# Sequencing
# ***************************
def wait_for_trigger(self):
self.state = 'waiting'
if self.ready_callback <> None:
self.ready_callback()
self.mon.log(
self, "Waiting for trigger: " + self.show_params['trigger-start'])
if self.show_params['trigger-start'] in ('time', 'time-quiet'):
# if next show is this one display text
next_show = self.tod.next_event_time()
if next_show[3] <> True:
if next_show[1] == 'tomorrow':
text = self.resource('liveshow', 'm04')
else:
text = self.resource('liveshow', 'm03')
text = text.replace('%tt', next_show[0])
self.display_message(self.canvas, 'text', text, 0,
self.play_first_track)
elif self.show_params['trigger-start'] == "start":
self.play_first_track()
else:
self.mon.err(
self, "Unknown trigger: " + self.show_params['trigger-start'])
self.end('error', "Unknown trigger type")
# callbacks from time of day scheduler
def tod_start_callback(self):
if self.state == 'waiting' and self.show_params['trigger-start'] in (
'time', 'time-quiet'):
self.play_first_track()
def tod_end_callback(self):
if self.state == 'playing' and self.show_params['trigger-end'] in (
'time', 'duration'):
self.end_trigger_signal = True
if self.shower <> None:
self.shower.input_pressed('stop', 'front', '')
elif self.player <> None:
self.player.input_pressed('stop')
def play_first_track(self):
self.state = 'playing'
# start duration timer
if self.show_params['trigger-end'] == 'duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration * 1000,
self.tod_end_callback)
self.new_livelist_create()
self.livelist = copy.deepcopy(self.new_livelist)
self.livelist_index = 0
self.play_track()
def play_track(self):
self.livelist_replace_if_changed()
if len(self.livelist) > 0:
self.play_selected_track(self.livelist[self.livelist_index])
else:
self.display_message(self.canvas, None,
self.resource('liveshow', 'm01'), 5,
self.what_next)
def what_next(self):
# end of show time trigger
if self.end_trigger_signal == True:
self.end_trigger_signal = False
if self.top == True:
self.state = 'waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal', 'sub-show end time trigger')
# user wants to end
elif self.end_liveshow_signal == True:
self.end_liveshow_signal = False
self.end('normal', "show ended by user")
# play child?
elif self.play_child_signal == True:
self.play_child_signal = False
index = self.medialist.index_of_track('pp-child-show')
if index >= 0:
#don't select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self.display_eggtimer(self.resource('liveshow', 'm02'))
self.play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show_params['pp-child-show'])
self.end('error', "child show not found in medialist")
# otherwise loop to next track
else:
self.livelist_next()
self.play_track()
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected_track is a dictionary for the track/show
"""
self.canvas.delete('pp-content')
# is menu required
if self.show_params['has-child'] == "yes":
enable_child = True
else:
enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end_liveshow_signal = True
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, sef.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end_liveshow_signal = True
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end_liveshow_signal = True
def end_shower(self, show_id, reason, message):
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
if reason in ("killed", "error"):
self.end(reason, message)
else:
self.what_next()
def end_player(self, reason, message):
self.mon.log(self, "Returned from player with message: " + message)
self.player = None
if reason in ("killed", "error"):
self.end(reason, message)
else:
self.what_next()
# ***************************
# end of show
# ***************************
def end(self, reason, message):
self.end_liveshow_signal = False
self.mon.log(self, "Ending Liveshow: " + self.show_params['show-ref'])
self.tidy_up()
self.end_callback(self.show_id, reason, message)
self = None
def tidy_up(self):
if self.duration_timer <> None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer = None
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
# ******************************
# Displaying things
# *********************************
def display_eggtimer(self, text):
self.egg_timer = self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) /
2,
text=text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks()
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks()
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self, canvas, source, content, duration,
display_message_callback):
self.display_message_callback = display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold',
'message-justify': 'left',
'background-colour': '',
'background-image': '',
'show-control-begin': '',
'show-control-end': '',
'animate-begin': '',
'animate-clear': '',
'animate-end': '',
'message-x': '',
'message-y': '',
'display-show-background': 'no',
'display-show-text': 'no',
'show-text': '',
'track-text': '',
'plugin': ''
}
self.player = MessagePlayer(self.show_id, self.root, canvas, tp, tp,
self.pp_dir, self.pp_home, self.pp_profile)
self.player.play(content, self.showlist, self.display_message_end,
None)
def display_message_end(self, reason, message):
self.player = None
if reason in ("killed", 'error'):
self.end(reason, message)
else:
self.display_message_callback()
# ******************************
# utilities
# *********************************
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error", 'Cannot find resource')
else:
return value
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file <> '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def calculate_duration(self, line):
fields = line.split(':')
if len(fields) == 1:
secs = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
self.duration = 3600 * long(hours) + 60 * long(minutes) + long(secs)
return ''
class MenuShow:
""" Displays a menu with optional hint below it. User can traverse the menu and
select a track using key or button presses.
Interface:
* play - displays the menu and selects the first entry
* key_pressed, button_pressed - receives user events passes them to a Player if a track is playing,
otherwise actions them with _next, _previous, _play_selected_track, _end
Optional display of eggtimer by means of Players ready_callback
Supports imageplayer, videoplayer,messagplayer,audioplayer,menushow,mediashow
Destroys itself on exit
"""
# *********************
# external interface
# ********************
def __init__(self,
show_params,
canvas,
showlist,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the name of the configuration dictionary section for the menu
showlist - the showlist
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params=show_params
self.showlist=showlist
self.canvas=canvas
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.menu_timeout_running=None
self.error=False
def play(self,show_id,end_callback,ready_callback=None,top=False,command='nil'):
""" displays the menu
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.menu_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.menu_file):
self.mon.err(self,"Medialist file not found: "+ self.menu_file)
self._end('error',"Medialist file not found")
#create a medialist for the menu and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.menu_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self._end('error',"Version of medialist different to Pi Presents")
if self.show_params['has-background']=="yes":
background_index=self.medialist.index_of_track ('pp-menu-background')
if background_index>=0:
self.menu_img_file = self.complete_path(self.medialist.track(background_index))
if not os.path.exists(self.menu_img_file):
self.mon.err(self,"Menu background file not found: "+ self.menu_img_file)
self._end('error',"Menu background file not found")
else:
self.mon.err(self,"Menu background not found in medialist")
self._end('error',"Menu background not found")
self.egg_timer=None
#start timeout alarm if required
if int(self.show_params['timeout'])<>0:
self.menu_timeout_running=self.canvas.after(int(self.show_params['timeout'])*1000,self._timeout_menu)
if self.ready_callback<>None:
self.ready_callback()
self.canvas.delete(ALL)
# display background image
if self.show_params['has-background']=="yes":
self._display_background()
#display the list of video titles
self._display_video_titles()
# display instructions (hint)
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height']) - int(self.show_params['hint-y']),
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'])
self.canvas.update( )
# respond to key presses.
def key_pressed(self,key_name):
self.mon.log(self,"received key: " + key_name)
if self.show_params['disable-controls']=='yes':
return
if key_name=='':
pass
elif key_name=='escape':
# if next lower show eor player is running pass down to stop bottom level
# ELSE stop this show if not at top
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
else:
# not at top so stop the show
if self.top == False:
self._end('normal',"exit from stop command")
else:
pass
elif key_name in ('up','down'):
# if child or sub-show running and is a show pass down
# if child not running - move
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self.player==None:
if key_name=='up':
self._previous()
else:
self._next()
elif key_name=='return':
# if child running and is show - pass down
# if no track already running - play
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self.player==None:
self._play_selected_track(self.medialist.selected_track())
elif key_name in ('p',' '):
# pass down if show or track running.
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
def button_pressed(self,button,edge):
if button=='play': self.key_pressed("return")
elif button =='up': self.key_pressed("up")
elif button=='down': self.key_pressed("down")
elif button=='stop': self.key_pressed("escape")
elif button=='pause': self.key_pressed('p')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.mon.log(self,"sent terminate to shower")
self.shower.terminate(reason)
elif self.player<>None:
self.mon.log(self,"sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,'terminated without terminating shower or player')
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# language resources
# *********************
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# timers may be running so need terminate
self.terminate("error")
else:
return value
# *********************
# Sequencing
# *********************
def _timeout_menu(self):
self._end('normal','menu timeout')
return
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def _end(self,reason,message):
# self.canvas.delete(ALL)
# self.canvas.update_idletasks( )
self.mon.log(self,"Ending menushow: "+ self.show_params['show-ref'])
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.end_callback(self.show_id,reason,message)
self=None
return
def _next(self):
self._highlight_menu_entry(self.menu_index,False)
self.medialist.next('ordered')
if self.menu_index==self.menu_length-1:
self.menu_index=0
else:
self.menu_index+=1
self._highlight_menu_entry(self.menu_index,True)
def _previous(self):
self._highlight_menu_entry(self.menu_index,False)
if self.menu_index==0:
self.menu_index=self.menu_length-1
else:
self.menu_index-=1
self.medialist.previous('ordered')
self._highlight_menu_entry(self.menu_index,True)
# *********************
# Dispatching to Players
# *********************
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.canvas.delete(ALL)
self._display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.canvas,self.pp_home,self.show_params,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.canvas,self.pp_home,self.show_params,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.show_id,self.canvas,self.pp_home,self.show_params,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=False,
)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.canvas,self.pp_home,self.show_params,selected_track)
self.player.play(text,
self._end_player,
self._delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self._end_shower,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self._end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end("Unknown track type")
# callback from when player ends
def _end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self._end(reason,message)
self._display_eggtimer(self.resource('menushow','m02'))
self._what_next(message)
# callback from when shower ends
def _end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if message in ("killed","error"):
self._end(reason,message)
self._display_eggtimer(self.resource('menushow','m03'))
self._what_next(message)
# at the end of a track just re-display the menu with the original callback from the menu
def _what_next(self,message):
self.mon.log(self,"Re-displaying menu")
self.play(self.show_id,self.end_callback,top=self.top)
# *********************
# Displaying things
# *********************
def _display_background(self):
pil_menu_img=PIL.Image.open(self.menu_img_file)
# adjust brightness and rotate (experimental)
# enh=PIL.ImageEnhance.Brightness(pil_menu_img)
# pil_menu_img=enh.enhance(0.1)
# pil_menu_img=pil_menu_img.rotate(45)
self.menu_background = PIL.ImageTk.PhotoImage(pil_menu_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.menu_background,
anchor=CENTER)
def _display_video_titles(self):
self.menu_length=1
self.menu_entry_id=[]
x=int(self.show_params['menu-x'])
y=int(self.show_params['menu-y'])
self.medialist.start()
while True:
id=self.canvas.create_text(x,y,anchor=NW,
text="* "+self.medialist.selected_track()['title'],
fill=self.show_params['entry-colour'],
font=self.show_params['entry-font'])
self.menu_entry_id.append(id)
y=y + int(self.show_params['menu-spacing'])
if self.medialist.at_end():
break
self.menu_length+=1
self.medialist.next('ordered')
# select and highlight the first entry
self.medialist.start()
self.menu_index=0
self._highlight_menu_entry(self.menu_index,True)
# self.medialist.print_list()
def _highlight_menu_entry(self,index,state):
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index],fill=self.show_params['entry-select-colour'])
else:
self.canvas.itemconfig(self.menu_entry_id[index],fill=self.show_params['entry-colour'])
def _display_eggtimer(self,text):
self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks( )
def _delete_eggtimer(self):
if self.egg_timer!=None:
self.canvas.delete(self.egg_timer)
def display_message(self, canvas, source, content, duration, _display_message_callback):
self._display_message_callback = _display_message_callback
tp = {"duration": duration, "message-colour": "white", "message-font": "Helvetica 20 bold"}
self.player = MessagePlayer(canvas, tp, tp)
self.player.play(content, self._display_message_end, None)
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self, show_params, canvas, showlist, pp_home, pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
# instantiate arguments
self.show_params = show_params
self.showlist = showlist
self.canvas = canvas
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self._poll_for_interval_timer = None
self._poll_for_continue_timer = None
self._waiting_for_interval = False
self._interval_timer = None
self.duration_timer = None
self.error = False
self._interval_timer_signal = False
self._end_trigger_signal = False
self._end_mediashow_signal = False
self._next_track_signal = False
self._previous_track_signal = False
self._play_child_signal = False
self._req_next = "nil"
# create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
self._state = "closed"
def play(self, show_id, end_callback, ready_callback=None, top=False, command="nil"):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
# instantiate the arguments
self.show_id = show_id
self._end_callback = end_callback
self._ready_callback = ready_callback
self.top = top
self.command = command
self.mon.log(self, "Starting show: Id= " + str(self.show_id) + " " + self.show_params["show-ref"])
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show_params["medialist"]
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self._end("error", "Medialist file not found")
# create a medialist for the mediashow and read it.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file, self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self._end("error", "Version of medialist different to Pi Presents")
# set up the time of day triggers for the show
if self.show_params["trigger"] in ("time", "time-quiet"):
error_text = self.tod.add_times(
self.show_params["trigger-input"], id(self), self.tod_start_callback, self.show_params["trigger"]
)
if error_text <> "":
self.mon.err(self, error_text)
self._end("error", error_text)
if self.show_params["trigger-end"] == "time":
# print self.show_params['trigger-end-time']
error_text = self.tod.add_times(
self.show_params["trigger-end-time"], id(self), self.tod_end_callback, "n/a"
)
if error_text <> "":
self.mon.err(self, error_text)
self._end("error", error_text)
if self.show_params["trigger-end"] == "duration":
error_text = self.calculate_duration(self.show_params["trigger-end-time"])
if error_text <> "":
self.mon.err(self, error_text)
self._end("error", error_text)
self._state = "closed"
self.egg_timer = None
self._wait_for_trigger()
def calculate_duration(self, line):
fields = line.split(":")
if len(fields) == 1:
secs = fields[0]
minutes = "0"
hours = "0"
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = "0"
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
self.duration = 3600 * long(hours) + 60 * long(minutes) + long(secs)
return ""
# ********************************
# Respond to external events
# ********************************
# respond to key presses
def key_pressed(self, key_name):
self.mon.log(self, "received key: " + key_name)
if self.show_params["disable-controls"] == "yes":
return
if key_name == "":
pass
elif key_name == "escape":
# if next lower show is running pass down to stop the show and lower level
if self.shower <> None:
self.shower.key_pressed(key_name)
# if not at top stop the show
else:
if self.top == False:
self._end_mediashow_signal = True
# and if a track is running stop that first
if self.player <> None:
self.player.key_pressed(key_name)
else:
# at top level in a manual presentation stop the track
if self.show_params["progress"] == "manual":
if self.player <> None:
self.player.key_pressed(key_name)
elif key_name in ("up", "down"):
# if child or sub-show is running and is a show pass to show, track does not use up/down
# otherwise use keys for next or previous
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if key_name == "up" and self._state == "playing":
self._previous()
else:
self._next()
elif key_name == "return":
# if child show or sub-show is running and is show - pass down- player does not use return
# ELSE use Return to start child or to start the show if waiting
if self.shower <> None:
self.shower.key_pressed(key_name)
else:
if self._state == "playing":
if self.show_params["has-child"] == "yes":
self._play_child_signal = True
# and stop the current track if its running
if self.player <> None:
self.player.key_pressed("escape")
else:
if self._state == "waiting":
self._start_show()
elif key_name in ("p", " "):
# pass down if show or track running.
if self.shower <> None:
self.shower.key_pressed(key_name)
elif self.player <> None:
self.player.key_pressed(key_name)
def button_pressed(self, button, edge):
# print 'mediashow button pressed', button
if button == "play":
self.key_pressed("return")
elif button == "up":
self.key_pressed("up")
elif button == "down":
self.key_pressed("down")
elif button == "stop":
self.key_pressed("escape")
elif button == "pause":
self.key_pressed("p")
else:
self.input_pressed(button)
def input_pressed(self, xinput):
# print self._state, self.show_params['trigger-next'], self.show_params['next-input']
if (
self._state == "waiting"
and self.show_params["trigger"] == "GPIO"
and xinput == self.show_params["trigger-input"]
):
self.key_pressed("return")
elif (
self._state == "playing"
and self.show_params["trigger-next"] == "GPIO"
and xinput == self.show_params["next-input"]
):
self.key_pressed("down")
# callback from time of day scheduler
def tod_start_callback(self):
if self._state == "waiting" and self.show_params["trigger"] in ("time", "time-quiet"):
self._start_show()
def tod_end_callback(self):
if self._state == "playing" and self.show_params["trigger-end"] in ("time", "duration"):
self._end_trigger_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
elif self.player <> None:
self.player.key_pressed("escape")
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.mon.log(self, "sent terminate to shower")
self.shower.terminate(reason)
elif self.player <> None:
self.mon.log(self, "sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason, "terminated without terminating shower or player")
def _tidy_up(self):
# clear outstanding time of day events for this show
self.tod.clear_times_list(id(self))
if self._poll_for_continue_timer <> None:
self.canvas.after_cancel(self._poll_for_continue_timer)
self._poll_for_continue_timer = None
if self._poll_for_interval_timer <> None:
self.canvas.after_cancel(self._poll_for_interval_timer)
self._poll_for_interval_timer = None
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
self._interval_timer = None
if self.duration_timer <> None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer = None
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self, "resource: " + section + ": " + item + " not found")
self.terminate("error")
else:
return value
# ***************************
# Do actions as a result of events
# ***************************
def _stop(self, message):
self._end_mediashow_signal = True
if self._interval_timer <> None:
self.canvas.after_cancel(self._interval_timer)
def _next(self):
# stop track if running and set signal
self._next_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
def _previous(self):
self._previous_track_signal = True
if self.shower <> None:
self.shower.key_pressed("escape")
else:
if self.player <> None:
self.player.key_pressed("escape")
# ***************************
# end of show functions
# ***************************
def _end(self, reason, message):
self._end_mediashow_signal = False
self.mon.log(self, "Ending Mediashow: " + self.show_params["show-ref"])
self._tidy_up()
self._end_callback(self.show_id, reason, message)
self = None
return
# ***************************
# Show sequencer
# ***************************
# wait for trigger sets the state to waiting so that key/button presses can do a start show.
def _wait_for_trigger(self):
self._state = "waiting"
if self.ready_callback <> None:
self.ready_callback()
self.mon.log(self, "Waiting for trigger: " + self.show_params["trigger"])
if self.show_params["trigger"] == "button":
# blank screen waiting for trigger if auto, otherwise display something
if self.show_params["progress"] == "manual":
text = self.resource("mediashow", "m01")
else:
text = ""
self.display_message(self.canvas, "text", text, 0, self._start_show)
elif self.show_params["trigger"] == "GPIO":
# blank screen waiting for trigger
# text = self.resource('mediashow','m02')
# self.display_message(self.canvas,'text',text,0,self._start_show)
pass
elif self.show_params["trigger"] in ("time", "time-quiet"):
# show next show notice
quiet = 3
# if next show is this one display text
next_show = self.tod.next_event_time()
if next_show[quiet] == False:
if next_show[1] == "tomorrow":
text = self.resource("mediashow", "m09")
else:
text = self.resource("mediashow", "m08")
text = text.replace("%tt", next_show[0])
self.display_message(self.canvas, "text", text, 0, self._start_show)
elif self.show_params["trigger"] == "start":
self._start_show()
else:
self.mon.err(self, "Unknown trigger: " + self.show_params["trigger"])
self._end("error", "Unknown trigger type")
def _start_show(self):
self._state = "playing"
self._direction = "forward"
# self.canvas.delete(ALL)
# start interval timer
if self.show_params["repeat"] == "interval" and self.show_params["repeat-interval"] <> 0:
self._interval_timer_signal = False
self._interval_timer = self.canvas.after(
int(self.show_params["repeat-interval"]) * 1000, self._end_interval_timer
)
# start duration timer
if self.show_params["trigger-end"] == "duration":
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration * 1000, self.tod_end_callback)
# and play the first track unless commanded otherwise
if self.command == "backward":
self.medialist.finish()
else:
self.medialist.start()
self._play_selected_track(self.medialist.selected_track())
def _what_next(self):
self._direction = "forward"
# end of show trigger
if self._end_trigger_signal == True:
self._end_trigger_signal = False
if self.top == True:
self._state = "waiting"
self._wait_for_trigger()
else:
# not at top so stop the show
self._end("normal", "sub-show end time trigger")
# user wants to end, wait for any shows or tracks to have ended then end show
elif self._end_mediashow_signal == True:
if self.player == None and self.shower == None:
self._end_mediashow_signal = False
self._end("normal", "show ended by user")
else:
pass
# returning from a subshow needing to move onward
elif self._req_next == "do-next":
self._req_next = "nil"
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# returning from a subshow needing to move backward
elif self._req_next == "do-previous":
self._req_next = "nil"
self._direction = "backward"
self.medialist.previous(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self._play_child_signal == True:
self._play_child_signal = False
index = self.medialist.index_of_track("pp-child-show")
if index >= 0:
# don't select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self._display_eggtimer(self.resource("mediashow", "m07"))
self._play_selected_track(child_track)
else:
self.mon.err(self, "Child show not found in medialist: " + self.show_params["pp-child-show"])
self._end("error", "child show not found in medialist")
# skip to next track on user input
elif self._next_track_signal == True:
self._next_track_signal = False
if self.medialist.at_end() == True:
if (
self.show_params["sequence"] == "ordered"
and self.show_params["repeat"] == "oneshot"
and self.top == False
):
self._end("do-next", "Return from Sub Show")
else:
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self._previous_track_signal == True:
self._previous_track_signal = False
self._direction = "backward"
if self.medialist.at_start() == True:
if (
self.show_params["sequence"] == "ordered"
and self.show_params["repeat"] == "oneshot"
and self.top == False
):
self._end("do-previous", "Return from Sub Show")
else:
self.medialist.previous(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show_params["progress"] == "auto":
if self.medialist.at_end() == True:
if (
self.show_params["sequence"] == "ordered"
and self.show_params["repeat"] == "oneshot"
and self.top == False
):
self._end("do-next", "Return from Sub Show")
elif (
self.show_params["sequence"] == "ordered"
and self.show_params["repeat"] == "oneshot"
and self.top == True
):
self._wait_for_trigger()
elif self._waiting_for_interval == True:
if self._interval_timer_signal == True:
self._interval_timer_signal = False
self._waiting_for_interval = False
self._start_show()
else:
self._poll_for_interval_timer = self.canvas.after(1000, self._what_next)
elif (
self.show_params["sequence"] == "ordered"
and self.show_params["repeat"] == "interval"
and int(self.show_params["repeat-interval"]) > 0
):
self._waiting_for_interval = True
self._poll_for_interval_timer = self.canvas.after(1000, self._what_next)
# elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])==0:
elif self.show_params["repeat"] == "interval" and int(self.show_params["repeat-interval"]) == 0:
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# shffling so there is no end condition
elif self.show_params["sequence"] == "shuffle":
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
else:
self.mon.err(
self,
"Unhandled playing event: "
+ self.show_params["sequence"]
+ " with "
+ self.show_params["repeat"]
+ " of "
+ self.show_params["repeat-interval"],
)
self._end("error", "Unhandled playing event")
else:
self.medialist.next(self.show_params["sequence"])
self._play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show_params["progress"] == "manual":
self._delete_eggtimer()
self.canvas.delete(ALL)
if self.show_params["trigger-next"] == "button":
self._display_eggtimer(self.resource("mediashow", "m03"))
self._poll_for_continue_timer = self.canvas.after(2000, self._what_next)
else:
# unhandled state
self.mon.err(self, "Unhandled playing event: ")
self._end("error", "Unhandled playing event")
def _end_interval_timer(self):
self._interval_timer_signal = True
# ***************************
# Dispatching to Players/Shows
# ***************************
# used to display internal messages in situations where a medialist entry could be used.
def display_message(self, canvas, source, content, duration, _display_message_callback):
self._display_message_callback = _display_message_callback
tp = {
"duration": duration,
"message-colour": "white",
"message-font": "Helvetica 20 bold",
"background-colour": "",
"background-image": "",
}
self.player = MessagePlayer(self.show_id, canvas, self.pp_home, tp, tp)
self.player.play(content, self._display_message_end, None)
def _display_message_end(self, reason, message):
self.player = None
if reason in ("error", "killed"):
self._end(reason, message)
else:
self._display_message_callback()
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track["location"]
if track_file <> "" and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to play is: " + track_file)
return track_file
def _play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
# self.canvas.delete(ALL)
if self.show_params["progress"] == "manual":
self._display_eggtimer(self.resource("mediashow", "m04"))
# is menu required
if self.show_params["has-child"] == "yes":
enable_child = True
else:
enable_child = False
# dispatch track by type
self.player = None
self.shower = None
track_type = selected_track["type"]
self.mon.log(self, "Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.canvas, self.pp_home, self.show_params, selected_track)
self.player.play(track_file, self.end_player, self.ready_callback, enable_menu=enable_child)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.canvas, self.pp_home, self.show_params, selected_track)
self.player.play(track_file, self.end_player, self.ready_callback, enable_menu=enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.show_id, self.canvas, self.pp_home, self.show_params, selected_track)
self.player.play(track_file, self.end_player, self.ready_callback, enable_menu=enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track["text"]
self.player = MessagePlayer(self.show_id, self.canvas, self.pp_home, self.show_params, selected_track)
self.player.play(text, self.end_player, self.ready_callback, enable_menu=enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track["sub-show"])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(self, "Show not found in showlist: " + selected_track["sub-show"])
self._end("error", "Unknown show")
if selected_show["type"] == "mediashow":
self.shower = MediaShow(selected_show, self.canvas, self.showlist, self.pp_home, self.pp_profile)
self.shower.play(self.show_id, self.end_shower, top=False, command=self._direction)
elif selected_show["type"] == "liveshow":
self.shower = LiveShow(selected_show, self.canvas, self.showlist, self.pp_home, self.pp_profile)
self.shower.play(self.show_id, self.end_shower, top=False, command="nil")
elif selected_show["type"] == "menu":
self.shower = MenuShow(selected_show, self.canvas, self.showlist, self.pp_home, self.pp_profile)
self.shower.play(self.show_id, self.end_shower, top=False, command="nil")
else:
self.mon.err(self, "Unknown Show Type: " + selected_show["type"])
self._end("error" "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self._end("error", "Unknown track type")
def ready_callback(self):
self._delete_eggtimer()
def end_player(self, reason, message):
self._req_next = "nil"
self.mon.log(self, " Show Id: " + str(self.show_id) + " Returned from player with message: " + message)
self.player = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show_params["progress"] == "manual":
self._display_eggtimer(self.resource("mediashow", "m05"))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def end_shower(self, show_id, reason, message):
self._req_next = "nil"
self.mon.log(self, "Returned from shower with message: " + message)
self.shower = None
if reason in ("killed", "error"):
self._end(reason, message)
elif self.show_params["progress"] == "manual":
self._display_eggtimer(self.resource("mediashow", "m06"))
self._req_next = reason
self._what_next()
else:
self._req_next = reason
self._what_next()
def _display_eggtimer(self, text):
self.egg_timer = self.canvas.create_text(
int(self.canvas["width"]) / 2,
int(self.canvas["height"]) / 2,
text=text,
fill="white",
font="Helvetica 20 bold",
)
self.canvas.update_idletasks()
def _delete_eggtimer(self):
if self.egg_timer != None:
self.canvas.delete(self.egg_timer)
self.canvas.update_idletasks()
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.canvas.delete(ALL)
if self.show['progress']=="manual":
self._display_eggtimer(self.resource('mediashow','m04'))
# is menu required
if self.show['has-child']=="yes":
enable_child=True
else:
enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self.end_player,
self.ready_callback,
enable_menu=enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.canvas,self.show,selected_track)
self.player.play(text,
self.end_player,
self.ready_callback,
enable_menu=enable_child
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end('error',"Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command=self._direction)
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end('error'"Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end('error',"Unknown track type")
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self, show_params, root, canvas, showlist, pp_dir, pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon = Monitor()
self.mon.on()
#instantiate arguments
self.show_params = show_params
self.showlist = showlist
self.root = root
self.canvas = canvas
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
# open resources
self.rr = ResourceReader()
# Init variables
self.player = None
self.shower = None
self.poll_for_interval_timer = None
self.poll_for_continue_timer = None
self.waiting_for_interval = False
self.interval_timer = None
self.duration_timer = None
self.error = False
self.interval_timer_signal = False
self.end_trigger_signal = False
self.end_mediashow_signal = False
self.next_track_signal = False
self.previous_track_signal = False
self.play_child_signal = False
self.req_next = 'nil'
#create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
self.state = 'closed'
def play(self,
show_id,
end_callback,
show_ready_callback,
top=False,
command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self.show_id = show_id
self.end_callback = end_callback
self.show_ready_callback = show_ready_callback
self.top = top
self.command = command
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Starting show")
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self, "Medialist file not found: " + self.media_file)
self.end('error', "Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist = MediaList()
if self.medialist.open_list(self.media_file,
self.showlist.sissue()) == False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
#get controls for this show if top level
controlsmanager = ControlsManager()
if self.top == True:
self.controls_list = controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list = controlsmanager.merge_show_controls(
self.controls_list, self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger'] in ('time', 'time-quiet'):
error_text = self.tod.add_times(self.show_params['trigger-input'],
id(self), self.tod_start_callback,
self.show_params['trigger'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'time':
# print self.show_params['trigger-end-time']
error_text = self.tod.add_times(
self.show_params['trigger-end-time'], id(self),
self.tod_end_callback, 'n/a')
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
if self.show_params['trigger-end'] == 'duration':
error_text = self.calculate_duration(
self.show_params['trigger-end-time'])
if error_text <> '':
self.mon.err(self, error_text)
self.end('error', error_text)
self.state = 'closed'
self.egg_timer = None
self.wait_for_trigger()
# ********************************
# Respond to external events
# ********************************
#stop received from another concurrent show
def managed_stop(self):
# if next lower show is running pass down to stop the show and lower level
if self.shower <> None:
self.shower.managed_stop()
else:
#stop the show if not at top
self.end_mediashow_signal = True
# and if track is runing stop that first
if self.player <> None:
self.player.input_pressed('stop')
# kill or error
def terminate(self, reason):
if self.shower <> None:
self.shower.terminate(reason)
elif self.player <> None:
self.player.terminate(reason)
else:
self.end(reason,
' terminated with no shower or player to terminate')
# respond to input events
def input_pressed(self, symbol, edge, source):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": received input: " + symbol)
# check symbol against mediashow triggers, triggers can be used at top or lower level
# and not affected by disable-controls
if self.state == 'waiting' and self.show_params['trigger'] in (
'input',
'input-quiet') and symbol == self.show_params['trigger-input']:
self.start_show()
elif self.state == 'playing' and self.show_params[
'trigger-next'] == 'input' and symbol == self.show_params[
'next-input']:
self.next()
# internal functions are triggered only when disable-controls is 'no'
if self.show_params['disable-controls'] == 'yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top == True:
operation = self.lookup_control(symbol, self.controls_list)
else:
operation = symbol
# print 'operation',operation
self.do_operation(operation, edge, source)
#service the standard inputs for this show
def do_operation(self, operation, edge, source):
if self.shower <> None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation, edge, source)
else:
# control this show and its tracks
# print 'operation',operation
if operation == 'stop':
if self.top == False:
# not at top so stop the current show
self.end_mediashow_signal = True
# and if a track is running stop that first
if self.player <> None:
self.player.input_pressed('stop')
else:
# top = True, just stop track if running
if self.player <> None:
self.player.input_pressed('stop')
elif operation in ('up', 'down'):
#if playing rather than waiting use keys for next or previous
if operation == 'up' and self.state == 'playing':
self.previous()
else:
self.next()
elif operation == 'play':
# use 'play' to start child if state=playing or to trigger the show if waiting for trigger
if self.state == 'playing':
if self.show_params['has-child'] == 'yes':
self.play_child_signal = True
self.child_track_ref = 'pp-child-show'
# and stop the current track if its running
if self.player <> None:
self.player.input_pressed('stop')
else:
if self.state == 'waiting':
self.start_show()
elif operation == 'pause':
if self.player <> None:
self.player.input_pressed(operation)
#if the operation is omxplayer or mplayer runtime control then pass it to player if running
elif operation[0:4] == 'omx-' or operation[
0:6] == 'mplay-' or operation[0:5] == 'uzbl-':
if self.player <> None:
self.player.input_pressed(operation)
def lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Show sequencer
# ***************************
def end_interval_timer(self):
self.interval_timer_signal = True
# callback from time of day scheduler
def tod_start_callback(self):
if self.state == 'waiting' and self.show_params['trigger'] in (
'time', 'time-quiet'):
self.start_show()
def tod_end_callback(self):
if self.state == 'playing' and self.show_params['trigger-end'] in (
'time', 'duration'):
self.end_trigger_signal = True
if self.shower <> None:
self.shower.input_pressed('stop')
elif self.player <> None:
self.player.input_pressed('stop')
def stop(self, message):
self.end_mediashow_signal = True
if self.interval_timer <> None:
self.canvas.after_cancel(self.interval_timer)
def next(self):
# stop track if running and set signal
self.next_track_signal = True
if self.shower <> None:
self.shower.input_pressed("stop")
else:
if self.player <> None:
self.player.input_pressed("stop")
def previous(self):
self.previous_track_signal = True
if self.shower <> None:
self.shower.input_pressed("stop")
else:
if self.player <> None:
self.player.input_pressed("stop")
# wait for trigger sets the state to waiting so that events can do a start show.
def wait_for_trigger(self):
self.state = 'waiting'
if self.show_ready_callback <> None:
self.show_ready_callback()
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Waiting for trigger: " + self.show_params['trigger'])
if self.show_params['trigger'] == "input":
# blank screen waiting for trigger if auto, otherwise display something
if self.show_params['progress'] == "manual":
text = self.resource('mediashow', 'm01')
else:
text = self.resource('mediashow', 'm02')
self.display_message(self.canvas, 'text', text, 0, self.start_show)
elif self.show_params['trigger'] == "input-quiet":
# blank screen waiting for trigger
text = self.resource('mediashow', 'm10')
self.display_message(self.canvas, 'text', text, 0, self.start_show)
pass
elif self.show_params['trigger'] in ('time', 'time-quiet'):
# show next show notice
quiet = 3
# if next show is this one display text
next_show = self.tod.next_event_time()
if next_show[quiet] == False:
if next_show[1] == 'tomorrow':
text = self.resource('mediashow', 'm09')
else:
text = self.resource('mediashow', 'm08')
text = text.replace('%tt', next_show[0])
self.display_message(self.canvas, 'text', text, 0,
self.start_show)
elif self.show_params['trigger'] == "start":
self.start_show()
else:
self.mon.err(self,
"Unknown trigger: " + self.show_params['trigger'])
self.end('error', "Unknown trigger type")
def start_show(self):
self.state = 'playing'
self.direction = 'forward'
# self.canvas.delete(ALL)
# start interval timer
if self.show_params['repeat'] == "interval" and self.show_params[
'repeat-interval'] <> 0:
self.interval_timer_signal = False
self.interval_timer = self.canvas.after(
int(self.show_params['repeat-interval']) * 1000,
self.end_interval_timer)
# start duration timer
if self.show_params['trigger-end'] == 'duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration * 1000,
self.tod_end_callback)
# and play the first track unless commanded otherwise
if self.command == 'backward':
self.medialist.finish()
else:
self.medialist.start()
self.play_selected_track(self.medialist.selected_track())
def what_next(self):
self.direction = 'forward'
# end of show trigger caused by tod
if self.end_trigger_signal == True:
self.end_trigger_signal = False
if self.top == True:
self.state = 'waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal', 'sub-show end time trigger')
# user wants to end, wait for any shows or tracks to have ended then end show
# probalby will get here with end_m set when player and shower has finished
elif self.end_mediashow_signal == True:
if self.player == None and self.shower == None:
self.end_mediashow_signal = False
self.end('normal', "show ended by user")
#returning from a subshow needing to move onward
elif self.req_next == 'do-next':
self.req_next = 'nil'
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self.req_next == 'do-previous':
self.req_next = 'nil'
self.direction = 'backward'
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self.play_child_signal == True:
self.play_child_signal = False
index = self.medialist.index_of_track(self.child_track_ref)
if index >= 0:
#don't use select the track as need to preserve mediashow sequence.
child_track = self.medialist.track(index)
self.display_eggtimer(self.resource('mediashow', 'm07'))
self.play_selected_track(child_track)
else:
self.mon.err(
self, "Child show not found in medialist: " +
self.show_params['pp-child-show'])
self.end('error', "child show not found in medialist")
# skip to next track on user input
elif self.next_track_signal == True:
self.next_track_signal = False
if self.medialist.at_end() == True:
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('do-next', "Return from Sub Show")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-next', "Return from Sub Show")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self.previous_track_signal == True:
self.previous_track_signal = False
self.direction = 'backward'
if self.medialist.at_start() == True:
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('do-previous', "Return from Sub Show")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-previous', "Return from Sub Show")
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show_params['progress'] == "auto":
if self.medialist.at_end() == True:
# oneshot
if self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == False:
self.end('normal', "End of Oneshot in subshow")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'oneshot' and self.top == True:
self.wait_for_trigger()
# single run
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == True:
self.end('normal', "End of Single Run")
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'single-run' and self.top == False:
self.end('do-next',
"End of single run - Return from Sub Show")
# repeating and waiting to restart
elif self.waiting_for_interval == True:
if self.interval_timer_signal == True:
self.interval_timer_signal = False
self.waiting_for_interval = False
self.start_show()
else:
self.poll_for_interval_timer = self.canvas.after(
1000, self.what_next)
elif self.show_params[
'sequence'] == "ordered" and self.show_params[
'repeat'] == 'interval' and int(
self.show_params['repeat-interval']) > 0:
self.waiting_for_interval = True
self.poll_for_interval_timer = self.canvas.after(
1000, self.what_next)
#elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])==0:
elif self.show_params['repeat'] == 'interval' and int(
self.show_params['repeat-interval']) == 0:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# shuffling so there is no end condition
elif self.show_params['sequence'] == "shuffle":
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.mon.err(
self, "Unhandled playing event: " +
self.show_params['sequence'] + ' with ' +
self.show_params['repeat'] + " of " +
self.show_params['repeat-interval'])
self.end('error', "Unhandled playing event")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show_params['progress'] == "manual":
self.delete_eggtimer()
self.canvas.delete('pp-content')
if self.show_params['trigger-next'] == 'input':
self.display_eggtimer(self.resource('mediashow', 'm03'))
self.poll_for_continue_timer = self.canvas.after(
2000, self.what_next)
else:
#unhandled state
self.mon.err(self, "Unhandled playing event: ")
self.end('error', "Unhandled playing event")
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self, selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.delete_eggtimer()
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm04'))
# is menu required
if self.show_params['has-child'] == "yes":
self.enable_child = True
else:
self.enable_child = False
#dispatch track by type
self.player = None
self.shower = None
track_type = selected_track['type']
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track type is: " + track_type)
if track_type == "video":
# create a videoplayer
track_file = self.complete_path(selected_track)
self.player = VideoPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "audio":
# create a audioplayer
track_file = self.complete_path(selected_track)
self.player = AudioPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "web":
# create a browser
track_file = self.complete_path(selected_track)
self.player = BrowserPlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "image":
track_file = self.complete_path(selected_track)
# images played from menus don't have children
self.player = ImagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "message":
# bit odd because MessagePlayer is used internally to display text.
text = selected_track['text']
self.player = MessagePlayer(self.show_id, self.root, self.canvas,
self.show_params, selected_track,
self.pp_dir, self.pp_home,
self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >= 0:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
else:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end('error', "Unknown show")
if selected_show['type'] == "mediashow":
self.shower = MediaShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command=self.direction)
elif selected_show['type'] == "liveshow":
self.shower = LiveShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "radiobuttonshow":
self.shower = RadioButtonShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "hyperlinkshow":
self.shower = HyperlinkShow(selected_show, self.root,
self.canvas, self.showlist,
self.pp_dir, self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
elif selected_show['type'] == "menu":
self.shower = MenuShow(selected_show, self.root, self.canvas,
self.showlist, self.pp_dir,
self.pp_home, self.pp_profile)
self.shower.play(self.show_id,
self.end_shower,
self.ready_callback,
top=False,
command='nil')
else:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.end('error' "Unknown show type")
else:
self.mon.err(self, "Unknown Track Type: " + track_type)
self.end('error', "Unknown track type")
def end_player(self, reason, message):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Returned from player with message: " + message)
self.player = None
self.req_next = 'nil'
if reason in ("killed", "error"):
self.end(reason, message)
else:
# elif>else move to what-next?
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm05'))
self.req_next = reason
self.what_next()
else:
self.req_next = reason
self.what_next()
def end_shower(self, show_id, reason, message):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Returned from shower with message: " + message)
self.shower = None
self.req_next = 'nil'
if reason in ("killed", "error"):
self.end(reason, message)
else:
if self.show_params['progress'] == "manual":
self.display_eggtimer(self.resource('mediashow', 'm06'))
self.req_next = reason
self.what_next()
else:
self.req_next = reason
self.what_next()
# ***************************
# end of show
# ***************************
def end(self, reason, message):
self.end_mediashow_signal = False
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Ending Mediashow")
self.tidy_up()
self.end_callback(self.show_id, reason, message)
self = None
return
def tidy_up(self):
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
if self.poll_for_continue_timer <> None:
self.canvas.after_cancel(self.poll_for_continue_timer)
self.poll_for_continue_timer = None
if self.poll_for_interval_timer <> None:
self.canvas.after_cancel(self.poll_for_interval_timer)
self.poll_for_interval_timer = None
if self.interval_timer <> None:
self.canvas.after_cancel(self.interval_timer)
self.interval_timer = None
if self.duration_timer <> None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer = None
# ***************************
# displaying things
# ***************************
def display_eggtimer(self, text):
self.canvas.create_text(int(self.canvas['width']) / 2,
int(self.canvas['height']) / 2,
text=text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks()
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks()
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self, canvas, source, content, duration,
_display_message_callback):
self.display_message_callback = _display_message_callback
tp = {
'duration': duration,
'message-colour': 'white',
'message-font': 'Helvetica 20 bold',
'background-colour': '',
'message-justify': 'left',
'background-image': '',
'show-control-begin': '',
'show-control-end': '',
'animate-begin': '',
'animate-clear': '',
'animate-end': '',
'message-x': '',
'message-y': '',
'display-show-background': 'no',
'display-show-text': 'no',
'show-text': '',
'track-text': '',
'plugin': ''
}
self.player = MessagePlayer(self.show_id, self.root, canvas, tp, tp,
self.pp_dir, self.pp_home, self.pp_profile)
self.player.play(content, self.showlist, self.display_message_end,
None, False)
def display_message_end(self, reason, message):
self.player = None
if reason in ('error', 'killed'):
self.end(reason, message)
else:
self.display_message_callback()
# ***************************
# utilities
# ***************************
def calculate_duration(self, line):
fields = line.split(':')
if len(fields) == 1:
secs = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
self.duration = 3600 * long(hours) + 60 * long(minutes) + long(secs)
return ''
def resource(self, section, item):
value = self.rr.get(section, item)
if value == False:
self.mon.err(self,
"resource: " + section + ': ' + item + " not found")
self.terminate("error")
else:
return value
def complete_path(self, selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file <> '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track to play is: " + track_file)
return track_file
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running<>None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running=None
# self.canvas.delete(ALL)
self.display_eggtimer(self.resource('hyperlinkshow','m01'))
self.current_track_type = selected_track['type']
#read the show links. Track links will be added by ready_callback
links_text=self.show_params['links']
reason,message,self.links=self.path.parse_links(links_text)
if reason=='error':
self.mon.err(self,message + " in show")
self.end('error',message)
#start timeout for the track if required
if self.current_track_ref<>self.first_track_ref and int(self.show_params['timeout'])<>0:
self.timeout_running=self.canvas.after(int(self.show_params['timeout'])*1000,self.timeout_callback)
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="image":
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False
)
elif track_type=="show":
self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self,pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
class RadioButtonShow:
"""
starts at 'first-track' which can be any type of track or a show
The show has links of the form symbolic-name play track-ref
key, gpio or click area will play the referenced track
at the end of that track control will return to first-track
links in the tracks are ignored. Links are inherited from the show.
timeout returns to first-track
interface:
* play - selects the first track to play (first-track)
* input_pressed, - receives user events passes them to a Shower/Player if a track is playing,
otherwise actions them depending on the symbolic name supplied
"""
# *********************
# external interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
""" canvas - the canvas that the tracks of the event show are to be written on
show_params - the name of the configuration dictionary section for the radiobuttonshow
showlist - the showlist, to enable runningnof show type tracks.
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params=show_params
self.showlist=showlist
self.root=root
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
#create a path stack - only used to parse the links.
self.path = PathManager()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.timeout_running=None
self.error=False
def play(self,show_id,end_callback,ready_callback,top=False,command='nil'):
""" starts the hyperlink show at start-track
end_callback - function to be called when the show exits
ready_callback - callback when event-show is ready to display its forst track (not used?)
top is True when the show is top level (run from [start] or from show control)
command is not used
"""
#instantiate arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.medialist_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.medialist_file):
self.mon.err(self,"Medialist file not found: "+ self.medialist_file)
self.end('error',"Medialist file not found")
#create a medialist object for the radiobuttonshow and read the file into it.
self.medialist=MediaList()
if self.medialist.open_list(self.medialist_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
# read show destinations
self.first_track_ref=self.show_params['first-track-ref']
#get control bindings for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
#read the show links. Track links will be added by ready_callback
links_text=self.show_params['links']
reason,message,self.links=self.path.parse_links(links_text)
if reason=='error':
self.mon.err(self,message + " in show")
self.end('error',message)
# state variables and signals
self.end_radiobuttonshow_signal= False
self.egg_timer=None
self.next_track_signal=False
self.next_track_ref=''
self.current_track_ref=''
self.current_track_type=''
# ready callback for show
if self.ready_callback<>None:
self.ready_callback()
self.canvas.delete('pp-content')
self.canvas.config(bg='black')
self.do_first_track()
#stop received from another concurrent show via ShowManager
def managed_stop(self):
# set signal to stop the radiobuttonshow when all sub-shows and players have ended
self.end_radiobuttonshow_signal=True
# then stop and shows or tracks.
if self.shower<>None:
self.shower.managed_stop()
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.end('normal','stopped by ShowManager')
# kill or error
def terminate(self,reason):
self.end_radiobuttonshow_signal=True
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'terminated without terminating shower or player')
# respond to inputs
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"received symbol: " + symbol)
#does the symbol match a link, if so execute it
if self.is_link(symbol,edge,source)==True:
return
# controls are disabled so ignore inputs
if self.show_params['disable-controls']=='yes':
return
# does it match a control
# if at top convert symbolic name to operation otherwise lower down we have received an operatio
# look through list of controls to find match
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
if operation<>'':
self.do_operation(operation,edge,source)
def do_operation(self,operation,edge,source):
if self.shower<>None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation,edge,source)
else:
#control this show and its tracks
if operation=='stop':
if self.player<>None:
if self.current_track_ref==self.first_track_ref and self.top==False:
self.end_radiobuttonshow_signal=True
self.player.input_pressed('stop')
elif operation == 'pause':
if self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-'or operation[0:5]=='uzbl-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
def is_link(self,symbol,edge,source):
# we have links which locally define symbolic names to be converted to radiobuttonshow operations
# find the first entry in links that matches the symbol and execute its operation
#print 'radiobuttonshow ',symbol
found=False
for link in self.links:
#print link
if symbol==link[0]:
found=True
if link[1]<>'null':
#print 'match',link[0]
link_operation=link[1]
if link_operation=='play':
self.do_play(link[2],edge,source)
return found
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Show Sequencer
# *********************
def timeout_callback(self):
self.do_play(self.first_track_ref,'front','timeout')
def do_play(self,track_ref,edge,source):
if track_ref<>self.current_track_ref:
# print 'executing play ',track_ref
self.next_track_signal=True
self.next_track_op='play'
self.next_track_arg=track_ref
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_first_track(self):
index = self.medialist.index_of_track(self.first_track_ref)
if index >=0:
#don't use select the track as not using selected_track in radiobuttonshow
first_track=self.medialist.track(index)
self.path.append(first_track['track-ref'])
self.current_track_ref=self.first_track_ref
self.play_selected_track(first_track)
else:
self.mon.err(self,"first-track not found in medialist: "+ self.show_params['first-frack-ref'])
self.end('error',"first track not found in medialist")
def what_next(self):
# user wants to end the show
if self.end_radiobuttonshow_signal==True:
self.end_radiobuttonshow_signal=False
self.end('normal',"show ended by user")
# user has selected another track
elif self.next_track_signal==True:
self.next_track_signal=False
self.next_track_ref=self.next_track_arg
self.current_track_ref=self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >=0:
#don't use select the track as not using selected_track in radiobuttonshow
next_track=self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(self,"next-track not found in medialist: "+ self.next_track_ref)
self.end('error',"next track not found in medialist")
else:
#track ends naturally
self.next_track_ref=self.first_track_ref
self.current_track_ref=self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >=0:
#don't use select the track as not using selected_track in radiobuttonshow
next_track=self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(self,"next-track not found in medialist: "+ self.next_track_ref)
self.end('error',"next track not found in medialist")
# *********************
# Dispatching to Players
# *********************
def page_callback(self):
# called from a Player when ready to play, if first-track merge the links from the track with those from the show
self.delete_eggtimer()
if self.current_track_ref==self.first_track_ref:
#links_text=self.player.get_links()
#reason,message,track_links=self.path.parse_links(links_text)
#if reason=='error':
#self.mon.err(self,message + " in page")
#self.end('error',message)
#self.path.merge_links(self.links,track_links)
pass
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running<>None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running=None
# self.display_eggtimer(self.resource('radiobuttonshow','m01'))
self.current_track_type = selected_track['type']
#start timeout for the track if required
if self.current_track_ref<>self.first_track_ref and int(self.show_params['timeout'])<>0:
self.timeout_running=self.canvas.after(int(self.show_params['timeout'])*1000,self.timeout_callback)
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="image":
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False
)
elif track_type=="show":
# self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
# this does not seem to change the colour of the polygon
# self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks( )
if reason in("killed","error"):
self.end(reason,message)
else:
#self.display_eggtimer(self.resource('radiobuttonshow','m02'))
self.what_next()
# callback from when shower ends
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
# self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks( )
if reason in ("killed","error"):
self.end(reason,message)
else:
#self.display_eggtimer(self.resource('radiobuttonshow','m03'))
self.what_next()
# *********************
# End the show
# *********************
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def end(self,reason,message):
self.mon.log(self,"Ending radiobuttonshow: "+ self.show_params['show-ref'])
self.end_callback(self.show_id,reason,message)
self=None
return
# *********************
# displaying things
# *********************
def display_eggtimer(self,text):
#self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
#int(self.canvas['height'])/2,
#text= text,
# fill='white',
# font="Helvetica 20 bold")
#self.canvas.update_idletasks( )
pass
def delete_eggtimer(self):
if self.egg_timer!=None:
self.canvas.delete(self.egg_timer)
# *********************
# utilities
# *********************
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# players or showers may be running so need terminate
self.terminate("error")
else:
return value
class MenuShow:
""" Displays a menu with optional hint below it. User can traverse the menu and
select a track using key or button presses.
Interface:
* play - displays the menu and selects the first entry
* key_pressed, button_pressed - receives user events passes them to a Player if a track is playing,
otherwise actions them with _next, _previous, _play_selected_track, _end
Optional display of eggtimer by means of Players ready_callback
Supports imageplayer, videoplayer,messagplayer,menushow,mediashow
Destroys itself on exit
"""
# *********************
# external interface
# ********************
def __init__(self,
show,
canvas,
showlist,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the name of the configuration dictionary section for the menu
cf - the configuration object
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show=show
self.showlist=showlist
self.canvas=canvas
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.menu_timeout_running=None
self.error=False
def play(self,end_callback,ready_callback=None,top=False,command='nil'):
""" displays the menu
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate arguments
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.menu_file = self.pp_profile + "/" + self.show['medialist']
if not os.path.exists(self.menu_file):
self.mon.err(self,"Medialist file not found: "+ self.menu_file)
self._end('error',"Medialist file not found")
#create a medialist for the menu and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.menu_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self._end('error',"Version of medialist different to Pi Presents")
if self.show['has-background']=="yes":
background_index=self.medialist.index_of_track ('pp-menu-background')
if background_index>=0:
self.menu_img_file = self.complete_path(self.medialist.track(background_index))
if not os.path.exists(self.menu_img_file):
self.mon.err(self,"Menu background file not found: "+ self.menu_img_file)
self._end('error',"Menu background file not found")
else:
self.mon.err(self,"Menu background not found in medialist")
self._end('error',"Menu background not found")
#start timeout alarm if required
if int(self.show['timeout'])<>0:
self.menu_timeout_running=self.canvas.after(int(self.show['timeout'])*1000,self._timeout_menu)
if self.ready_callback<>None:
self.ready_callback()
self.canvas.delete(ALL)
# display background image
if self.show['has-background']=="yes":
self._display_background()
#display the list of video titles
self._display_video_titles()
# display instructions (hint)
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height']) - int(self.show['hint-y']),
text=self.show['hint-text'],
fill=self.show['hint-colour'],
font=self.show['hint-font'])
self.canvas.update( )
# respond to key presses.
def key_pressed(self,key_name):
self.mon.log(self,"received key: " + key_name)
if key_name=='':
pass
elif key_name=='escape':
# if next lower show eor player is running pass down to stop bottom level
# ELSE stop this show if not at top
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
else:
# not at top so stop the show
if self.top == False:
self._end('normal',"exit from stop command")
else:
pass
elif key_name in ('up','down'):
# if child or sub-show running and is a show pass down
# if child not running - move
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self.player==None:
if key_name=='up':
self._previous()
else:
self._next()
elif key_name=='return':
# if child running and is show - pass down
# if no track already running - play
if self.shower<>None:
self.shower.key_pressed(key_name)
else:
if self.player==None:
self._play_selected_track(self.medialist.selected_track())
elif key_name in ('p',' '):
# pass down if show or track running.
if self.shower<>None:
self.shower.key_pressed(key_name)
elif self.player<>None:
self.player.key_pressed(key_name)
def button_pressed(self,button,edge):
if button=='play': self.key_pressed("return")
elif button =='up': self.key_pressed("up")
elif button=='down': self.key_pressed("down")
elif button=='stop': self.key_pressed("escape")
elif button=='pause': self.key_pressed('p')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.mon.log(self,"sent terminate to shower")
self.shower.terminate(reason)
elif self.player<>None:
self.mon.log(self,"sent terminate to player")
self.player.terminate(reason)
else:
self._end(reason,'terminated without terminating shower or player')
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# language resources
# *********************
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# timers may be running so need terminate
self.terminate("error")
else:
return value
# *********************
# Sequencing
# *********************
def _timeout_menu(self):
self._end('normal','menu timeout')
return
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def _end(self,reason,message):
self.canvas.delete(ALL)
self.canvas.update_idletasks( )
self.mon.log(self,"Ending menushow: "+ self.show['show-ref'])
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.end_callback(reason,message)
self=None
return
def _next(self):
self._highlight_menu_entry(self.menu_index,False)
self.medialist.next()
if self.menu_index==self.menu_length-1:
self.menu_index=0
else:
self.menu_index+=1
self._highlight_menu_entry(self.menu_index,True)
def _previous(self):
self._highlight_menu_entry(self.menu_index,False)
if self.menu_index==0:
self.menu_index=self.menu_length-1
else:
self.menu_index-=1
self.medialist.previous()
self._highlight_menu_entry(self.menu_index,True)
# *********************
# Dispatching to Players
# *********************
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def _play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
self.canvas.delete(ALL)
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self._display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
enable_child=False
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.canvas,self.show,selected_track)
self.player.play(track_file,
self._end_player,
self._delete_eggtimer,
enable_menu=enable_child,
)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.canvas,self.show,selected_track)
self.player.play(text,
self._end_player,
self._delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self._end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self._end_shower,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self.end_shower,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.canvas,
self.showlist,
self.pp_home,
self.pp_profile)
self.shower.play(self._end_shower,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self._end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self._end("Unknown track type")
# callback from when player ends
def _end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self._end(reason,message)
self._display_eggtimer(self.resource('menushow','m02'))
self._what_next(message)
# callback from when shower ends
def _end_shower(self,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if message in ("killed","error"):
self._end(reason,message)
self._display_eggtimer(self.resource('menushow','m03'))
self._what_next(message)
# at the end of a track just re-display the menu with the original callback from the menu
def _what_next(self,message):
self.mon.log(self,"Re-displaying menu")
self.play(self.end_callback,top=self.top)
# *********************
# Displaying things
# *********************
def _display_background(self):
pil_menu_img=PIL.Image.open(self.menu_img_file)
# adjust brightness and rotate (experimental)
# enh=PIL.ImageEnhance.Brightness(pil_menu_img)
# pil_menu_img=enh.enhance(0.1)
# pil_menu_img=pil_menu_img.rotate(45)
self.menu_background = PIL.ImageTk.PhotoImage(pil_menu_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.menu_background,
anchor=CENTER)
def _display_video_titles(self):
self.menu_length=1
self.menu_entry_id=[]
x=int(self.show['menu-x'])
y=int(self.show['menu-y'])
self.medialist.start()
while True:
id=self.canvas.create_text(x,y,anchor=NW,
text="* "+self.medialist.selected_track()['title'],
fill=self.show['entry-colour'],
font=self.show['entry-font'])
self.menu_entry_id.append(id)
y=y + int(self.show['menu-spacing'])
if self.medialist.at_end():
break
self.menu_length+=1
self.medialist.next()
# select and highlight the first entry
self.medialist.start()
self.menu_index=0
self._highlight_menu_entry(self.menu_index,True)
# self.medialist.print_list()
def _highlight_menu_entry(self,index,state):
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index],fill=self.show['entry-select-colour'])
else:
self.canvas.itemconfig(self.menu_entry_id[index],fill=self.show['entry-colour'])
def _display_eggtimer(self,text):
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold")
self.canvas.update_idletasks( )
def _delete_eggtimer(self):
self.canvas.delete(ALL)
def display_message(self,canvas,source,content,duration,_display_message_callback):
self._display_message_callback=_display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold'}
self.player=MessagePlayer(canvas,tp,tp)
self.player.play(content,self._display_message_end,None)
class MediaShow:
# *******************
# External interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the dictionary fo the show to be played
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params =show_params
self.showlist=showlist
self.root=root
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# Init variables
self.player=None
self.shower=None
self.poll_for_interval_timer=None
self.poll_for_continue_timer=None
self.waiting_for_interval=False
self.interval_timer=None
self.duration_timer=None
self.error=False
self.interval_timer_signal=False
self.end_trigger_signal=False
self.end_mediashow_signal=False
self.next_track_signal=False
self.previous_track_signal=False
self.play_child_signal = False
self.req_next='nil'
#create and instance of TimeOfDay scheduler so we can add events
self.tod=TimeOfDay()
self.state='closed'
def play(self,show_id,end_callback,show_ready_callback, top=False,command='nil'):
""" displays the mediashow
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate the arguments
self.show_id=show_id
self.end_callback=end_callback
self.show_ready_callback=show_ready_callback
self.top=top
self.command=command
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Starting show")
# check data files are available.
self.media_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.media_file):
self.mon.err(self,"Medialist file not found: "+ self.media_file)
self.end('error',"Medialist file not found")
#create a medialist for the mediashow and read it.
self.medialist=MediaList(self.show_params['sequence'])
if self.medialist.open_list(self.media_file,self.showlist.sissue())==False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get controls for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
#set up the time of day triggers for the show
if self.show_params['trigger']in('time','time-quiet'):
error_text=self.tod.add_times(self.show_params['trigger-input'],id(self),self.tod_start_callback,self.show_params['trigger'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='time':
# print self.show_params['trigger-end-time']
error_text=self.tod.add_times(self.show_params['trigger-end-time'],id(self),self.tod_end_callback,'n/a')
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
if self.show_params['trigger-end']=='duration':
error_text=self.calculate_duration(self.show_params['trigger-end-time'])
if error_text<>'':
self.mon.err(self,error_text)
self.end('error',error_text)
self.state='closed'
self.egg_timer=None
self.wait_for_trigger()
# ********************************
# Respond to external events
# ********************************
#stop received from another concurrent show
def managed_stop(self):
# if next lower show is running pass down to stop the show and lower level
if self.shower<>None:
self.shower.managed_stop()
else:
#stop the show if not at top
self.end_mediashow_signal=True
# and if track is runing stop that first
if self.player<>None:
self.player.input_pressed('stop')
# kill or error
def terminate(self,reason):
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,' terminated with no shower or player to terminate')
# respond to input events
def input_pressed(self,symbol,edge,source):
self.mon.log(self, self.show_params['show-ref']+ ' '+ str(self.show_id)+": received input: " + symbol)
# check symbol against mediashow triggers, triggers can be used at top or lower level
# and not affected by disable-controls
if self.state=='waiting' and self.show_params['trigger'] in ('input','input-quiet')and symbol == self.show_params['trigger-input']:
self.start_show()
elif self.state=='playing' and self.show_params['trigger-next']=='input' and symbol == self.show_params['next-input']:
self.next()
# internal functions are triggered only when disable-controls is 'no'
if self.show_params['disable-controls']=='yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
self.do_operation(operation,edge,source)
#service the standard inputs for this show
def do_operation(self,operation,edge,source):
if self.shower<>None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation,edge,source)
else:
# control this show and its tracks
# print 'operation',operation
if operation=='stop':
if self.top == False:
# not at top so stop the current show
self.end_mediashow_signal=True
# and if a track is running stop that first
if self.player<>None:
self.player.input_pressed('stop')
else:
# top = True, just stop track if running
if self.player<>None:
self.player.input_pressed('stop')
elif operation in ('up','down'):
#if playing rather than waiting use keys for next or previous
if operation=='up' and self.state=='playing':
self.previous()
else:
self.next()
elif operation=='play':
# use 'play' to start child if state=playing or to trigger the show if waiting for trigger
if self.state=='playing':
if self.show_params['has-child']=='yes':
self.play_child_signal=True
self.child_track_ref='pp-child-show'
# and stop the current track if its running
if self.player<>None:
self.player.input_pressed('stop')
else:
if self.state=='waiting':
self.start_show()
elif operation == 'pause':
if self.player<>None:
self.player.input_pressed(operation)
#if the operation is omxplayer or mplayer runtime control then pass it to player if running
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-'or operation[0:5]=='uzbl-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# ***************************
# Show sequencer
# ***************************
def end_interval_timer(self):
self.interval_timer_signal=True
# callback from time of day scheduler
def tod_start_callback(self):
if self.state=='waiting' and self.show_params['trigger']in('time','time-quiet'):
self.start_show()
def tod_end_callback(self):
if self.state=='playing' and self.show_params['trigger-end'] in ('time','duration'):
self.end_trigger_signal=True
if self.shower<>None:
self.shower.input_pressed('stop')
elif self.player<>None:
self.player.input_pressed('stop')
def stop(self,message):
self.end_mediashow_signal=True
if self.interval_timer<>None:
self.canvas.after_cancel(self.interval_timer)
def next(self):
# stop track if running and set signal
self.next_track_signal=True
if self.shower<>None:
self.shower.input_pressed("stop")
else:
if self.player<>None:
self.player.input_pressed("stop")
def previous(self):
self.previous_track_signal=True
if self.shower<>None:
self.shower.input_pressed("stop")
else:
if self.player<>None:
self.player.input_pressed("stop")
# wait for trigger sets the state to waiting so that events can do a start show.
def wait_for_trigger(self):
self.state='waiting'
if self.show_ready_callback<>None:
self.show_ready_callback()
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Waiting for trigger: "+ self.show_params['trigger'])
if self.show_params['trigger']=="input":
# blank screen waiting for trigger if auto, otherwise display something
if self.show_params['progress']=="manual":
text= self.resource('mediashow','m01')
else:
text= self.resource('mediashow','m02')
self.display_message(self.canvas,'text',text,0,self.start_show)
elif self.show_params['trigger']=="input-quiet":
# blank screen waiting for trigger
text = self.resource('mediashow','m10')
self.display_message(self.canvas,'text',text,0,self.start_show)
pass
elif self.show_params['trigger'] in ('time','time-quiet'):
# show next show notice
quiet=3
# if next show is this one display text
next_show=self.tod.next_event_time()
if next_show[quiet]==False:
if next_show[1]=='tomorrow':
text = self.resource('mediashow','m09')
else:
text = self.resource('mediashow','m08')
text=text.replace('%tt',next_show[0])
self.display_message(self.canvas,'text',text,0,self.start_show)
elif self.show_params['trigger']=="start":
self.start_show()
else:
self.mon.err(self,"Unknown trigger: "+ self.show_params['trigger'])
self.end('error',"Unknown trigger type")
def start_show(self):
self.state='playing'
self.direction='forward'
# self.canvas.delete(ALL)
# start interval timer
if self.show_params['repeat']=="interval" and self.show_params['repeat-interval']<>0:
self.interval_timer_signal=False
self.interval_timer=self.canvas.after(int(self.show_params['repeat-interval'])*1000,self.end_interval_timer)
# start duration timer
if self.show_params['trigger-end']=='duration':
# print 'set alarm ', self.duration
self.duration_timer = self.canvas.after(self.duration*1000,self.tod_end_callback)
# and play the first track unless commanded otherwise
if self.command=='backward':
self.medialist.finish()
else:
self.medialist.start()
self.play_selected_track(self.medialist.selected_track())
def what_next(self):
self.direction='forward'
# end of show trigger caused by tod
if self.end_trigger_signal==True:
self.end_trigger_signal=False
if self.top==True:
self.state='waiting'
self.wait_for_trigger()
else:
# not at top so stop the show
self.end('normal','sub-show end time trigger')
# user wants to end, wait for any shows or tracks to have ended then end show
# probalby will get here with end_m set when player and shower has finished
elif self.end_mediashow_signal==True:
if self.player==None and self.shower==None:
self.end_mediashow_signal=False
self.end('normal',"show ended by user")
#returning from a subshow needing to move onward
elif self.req_next=='do-next':
self.req_next='nil'
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
#returning from a subshow needing to move backward
elif self.req_next=='do-previous':
self.req_next='nil'
self.direction='backward'
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# user wants to play child
elif self.play_child_signal == True:
self.play_child_signal=False
index = self.medialist.index_of_track(self.child_track_ref)
if index >=0:
#don't use select the track as need to preserve mediashow sequence.
child_track=self.medialist.track(index)
self.display_eggtimer(self.resource('mediashow','m07'))
self.play_selected_track(child_track)
else:
self.mon.err(self,"Child show not found in medialist: "+ self.show_params['pp-child-show'])
self.end('error',"child show not found in medialist")
# skip to next track on user input
elif self.next_track_signal==True:
self.next_track_signal=False
if self.medialist.at_end()==True:
if self.show_params['sequence']=="ordered" and self.show_params['repeat']=='oneshot' and self.top==False:
self.end('do-next',"Return from Sub Show")
elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='single-run' and self.top==False:
self.end('do-next',"Return from Sub Show")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# skip to previous track on user input
elif self.previous_track_signal==True:
self.previous_track_signal=False
self.direction='backward'
if self.medialist.at_start()==True:
if self.show_params['sequence']=="ordered" and self.show_params['repeat']=='oneshot' and self.top==False:
self.end('do-previous',"Return from Sub Show")
elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='single-run' and self.top==False:
self.end('do-previous',"Return from Sub Show")
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.medialist.previous(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track is finished and we are on auto
elif self.show_params['progress']=="auto":
if self.medialist.at_end()==True:
# oneshot
if self.show_params['repeat']=='oneshot' and self.top==False:
self.end('normal',"End of Oneshot in subshow")
elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='oneshot' and self.top==True:
self.wait_for_trigger()
# single run
elif self.show_params['repeat']=='single-run' and self.top==True:
self.end('normal',"End of Single Run")
elif self.show_params['repeat']=='single-run' and self.top==False:
self.end('do-next',"End of single run - Return from Sub Show")
# repeating and waiting to restart
elif self.waiting_for_interval==True:
if self.interval_timer_signal==True:
self.interval_timer_signal=False
self.waiting_for_interval=False
self.start_show()
else:
self.poll_for_interval_timer=self.canvas.after(1000,self.what_next)
elif self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])>0:
self.waiting_for_interval=True
self.poll_for_interval_timer=self.canvas.after(1000,self.what_next)
#elif self.show_params['sequence']=="ordered" and self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])==0:
elif self.show_params['repeat']=='interval' and int(self.show_params['repeat-interval'])==0:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# shuffling so there is no end condition
elif self.show_params['sequence']=="shuffle":
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
else:
self.mon.err(self,"Unhandled playing event: "+self.show_params['sequence'] +' with ' + self.show_params['repeat']+" of "+ self.show_params['repeat-interval'])
self.end('error',"Unhandled playing event")
else:
self.medialist.next(self.show_params['sequence'])
self.play_selected_track(self.medialist.selected_track())
# track has finished and we are on manual progress
elif self.show_params['progress']=="manual":
self.delete_eggtimer()
self.canvas.delete('pp-content')
if self.show_params['trigger-next']=='input':
self.display_eggtimer(self.resource('mediashow','m03'))
self.poll_for_continue_timer=self.canvas.after(2000,self.what_next)
else:
#unhandled state
self.mon.err(self,"Unhandled playing event: ")
self.end('error',"Unhandled playing event")
# ***************************
# Dispatching to Players/Shows
# ***************************
def ready_callback(self):
self.delete_eggtimer()
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
self.delete_eggtimer()
if self.show_params['progress']=="manual":
self.display_eggtimer(self.resource('mediashow','m04'))
# is menu required
if self.show_params['has-child']=="yes":
self.enable_child=True
else:
self.enable_child=False
#dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type=="image":
track_file=self.complete_path(selected_track)
# images played from menus don't have children
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.ready_callback,
enable_menu=self.enable_child
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end('error',"Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
print "Starting MediaShow: {0}".format(selected_track['sub-show'])
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command=self.direction)
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end('error'"Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end('error',"Unknown track type")
def end_player(self,reason,message):
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Returned from player with message: "+ message)
self.player=None
self.req_next='nil'
if reason in("killed","error"):
self.end(reason,message)
else:
# elif>else move to what-next?
if self.show_params['progress']=="manual":
self.display_eggtimer(self.resource('mediashow','m05'))
self.req_next=reason
self.what_next()
else:
self.req_next=reason
self.what_next()
def end_shower(self,show_id,reason,message):
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Returned from shower with message: "+ message)
self.shower=None
self.req_next='nil'
if reason in("killed","error"):
self.end(reason,message)
else:
if self.show_params['progress']=="manual":
self.display_eggtimer(self.resource('mediashow','m06'))
self.req_next=reason
self.what_next()
else:
self.req_next=reason
self.what_next()
# ***************************
# end of show
# ***************************
def end(self,reason,message):
self.end_mediashow_signal=False
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Ending Mediashow")
self.tidy_up()
self.end_callback(self.show_id,reason,message)
self=None
return
def tidy_up(self):
#clear outstanding time of day events for this show
# self.tod.clear_times_list(id(self))
if self.poll_for_continue_timer<>None:
self.canvas.after_cancel(self.poll_for_continue_timer)
self.poll_for_continue_timer=None
if self.poll_for_interval_timer<>None:
self.canvas.after_cancel(self.poll_for_interval_timer)
self.poll_for_interval_timer=None
if self.interval_timer<>None:
self.canvas.after_cancel(self.interval_timer)
self.interval_timer=None
if self.duration_timer<>None:
self.canvas.after_cancel(self.duration_timer)
self.duration_timer=None
# ***************************
# displaying things
# ***************************
def display_eggtimer(self,text):
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks( )
# used to display internal messages in situations where a medialist entry could not be used.
def display_message(self,canvas,source,content,duration,_display_message_callback):
self.display_message_callback=_display_message_callback
tp={'duration':duration,'message-colour':'white','message-font':'Helvetica 20 bold','background-colour':'',
'message-justify':'left','background-image':'','show-control-begin':'','show-control-end':'',
'animate-begin':'','animate-clear':'','animate-end':'','message-x':'','message-y':'',
'display-show-background':'no','display-show-text':'no','show-text':'','track-text':'',
'plugin':''}
self.player=MessagePlayer(self.show_id,self.root,canvas,tp,tp,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(content,self.showlist,self.display_message_end,None,False)
def display_message_end(self,reason,message):
self.player=None
if reason in ('error','killed'):
self.end(reason,message)
else:
self.display_message_callback()
# ***************************
# utilities
# ***************************
def calculate_duration(self,line):
fields=line.split(':')
if len(fields)==1:
secs=fields[0]
minutes='0'
hours='0'
if len(fields)==2:
secs=fields[1]
minutes=fields[0]
hours='0'
if len(fields)==3:
secs=fields[2]
minutes=fields[1]
hours=fields[0]
self.duration=3600*long(hours)+60*long(minutes)+long(secs)
return ''
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
self.terminate("error")
else:
return value
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Track to play is: "+ track_file)
return track_file
class MenuShow:
""" Displays a menu with optional hint below it. User can traverse the menu and
select a track using key or button presses.
Interface:
* play - displays the menu and selects the first entry
* input_pressed, - receives user events passes them to a Player if a track is playing,
otherwise actions them with _next, _previous, _play_selected_track, _end
Optional display of eggtimer by means of Players ready_callback
Supports imageplayer, videoplayer,messagplayer,audioplayer,menushow,mediashow
Destroys itself on exit
"""
# *********************
# external interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
""" canvas - the canvas that the menu is to be written on
show - the name of the configuration dictionary section for the menu
showlist - the showlist
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory"""
self.mon=Monitor()
self.mon.on()
self.display_guidelines_command=show_params['menu-guidelines']
self.display_guidelines=self.display_guidelines_command
#instantiate arguments
self.show_params=show_params
self.root=root
self.canvas=canvas
self.showlist=showlist
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.menu_timeout_running=None
self.error=False
def play(self,show_id,end_callback,ready_callback,top=False,command='nil'):
""" displays the menu
end_callback - function to be called when the menu exits
ready_callback - callback when menu is ready to display (not used)
top is True when the show is top level (run from [start])
"""
#instantiate arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.menu_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.menu_file):
self.mon.err(self,"Medialist file not found: "+ self.menu_file)
self.end('error',"Medialist file not found")
#create a medialist for the menu and read it.
self.medialist=MediaList()
if self.medialist.open_list(self.menu_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get control bindings for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
if self.show_params['has-background']=="yes":
background_index=self.medialist.index_of_track ('pp-menu-background')
if background_index>=0:
self.menu_img_file = self.complete_path(self.medialist.track(background_index)['location'])
if not os.path.exists(self.menu_img_file):
self.mon.err(self,"Menu background file not found: "+ self.menu_img_file)
self.end('error',"Menu background file not found")
else:
self.mon.err(self,"Menu background not found in medialist")
self.end('error',"Menu background not found")
self.end_menushow_signal= False
if self.ready_callback<>None:
self.ready_callback()
self.menu_timeout_value=int(self.show_params['timeout'])*1000
self.do_menu()
def do_menu(self):
#start timeout alarm if required
if int(self.show_params['timeout'])<>0:
self.menu_timeout_running=self.canvas.after(self.menu_timeout_value,self.timeout_menu)
if self.show_params['menu-background-colour']<>'':
self.canvas.config(bg=self.show_params['menu-background-colour'])
self.canvas.delete('pp-content')
self.canvas.update()
# display background image
if self.show_params['has-background']=="yes":
self.display_background()
self.delete_eggtimer()
self.display_new_menu()
self.canvas.tag_raise('pp-click-area')
self.canvas.update_idletasks( )
# display menu text if enabled
if self.show_params['menu-text']<> '':
self.canvas.create_text(int(self.show_params['menu-text-x']),int(self.show_params['menu-text-y']),
anchor=NW,
text=self.show_params['menu-text'],
fill=self.show_params['menu-text-colour'],
font=self.show_params['menu-text-font'],
tag='pp-content')
self.canvas.update_idletasks( )
# display instructions (hint)
hint_text=self.show_params['hint-text']
if hint_text<>'':
self.canvas.create_text(int(self.show_params['hint-x']),int(self.show_params['hint-y']),
anchor=NW,
text=hint_text,
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
tag='pp-content')
self.canvas.update_idletasks( )
#stop received from another concurrent show
def managed_stop(self):
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.managed_stop()
elif self.player<>None:
self.end_menushow_signal=True
self.player.input_pressed('stop')
else:
self.end('normal','stopped by ShowManager')
# kill or error received
def terminate(self,reason):
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'Terminated no shower or player running')
# respond to user inputs.
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"Show Id: "+str(self.show_id)+" received key or operation: " + symbol)
if self.show_params['disable-controls']=='yes':
return
# if at top convert symbolic name to operation otherwise lower down we have received an operation
# look through list of standard symbols to find match (symbolic-name, function name) operation =lookup (symbol
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
# if no match for symbol against standard operations then return
if operation=='':
return
else:
if self.shower<>None:
# if next lower show is running pass down operatin to the show and lower levels
self.shower.input_pressed(operation,source,edge)
else:
#service the standard inputs for this show
if operation=='stop':
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
# not at top so end the show
if self.top == False:
self.end('normal',"exit from stop command")
else:
pass
elif operation in ('up','down'):
# if child or sub-show running and is a show pass down
# if child not running - move
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.player==None:
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=self.canvas.after(self.menu_timeout_value,self.timeout_menu)
if operation=='up':
self.previous()
else:
self.next()
elif operation =='play':
# if child running and is show - pass down
# if no track already running - play
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
else:
if self.player==None:
self.play_selected_track(self.medialist.selected_track())
elif operation == 'pause':
# pass down if show or track running.
if self.shower<>None:
self.shower.input_pressed(operation,edge,source)
elif self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-'or operation[0:5]=='uzbl-':
if self.player<>None:
self.player.input_pressed(operation)
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Sequencing
# *********************
def timeout_menu(self):
self.end('normal','menu timeout')
return
def next(self):
self.highlight_menu_entry(self.menu_index,False)
self.medialist.next('ordered')
if self.menu_index==self.menu_length-1:
self.menu_index=0
else:
self.menu_index+=1
self.highlight_menu_entry(self.menu_index,True)
def previous(self):
self.highlight_menu_entry(self.menu_index,False)
if self.menu_index==0:
self.menu_index=self.menu_length-1
else:
self.menu_index-=1
self.medialist.previous('ordered')
self.highlight_menu_entry(self.menu_index,True)
# at the end of a track just re-display the menu with the original callback from the menu
def what_next(self,message):
# user wants to end
if self.end_menushow_signal==True:
self.end_menushow_signal=False
self.end('normal',"show ended by user")
else:
self.do_menu()
# *********************
# Dispatching to Players
# *********************
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
#remove menu and show working.....
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.canvas.delete('pp-content')
self.display_eggtimer(self.resource('menushow','m01'))
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track['location'])
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track['location'])
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="image":
# images played from menus don't have children
track_file=self.complete_path(selected_track['location'])
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track['location'])
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.delete_eggtimer,
enable_menu=False
)
elif track_type=="show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.delete_eggtimer,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
if reason in("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('menushow','m02'))
self.what_next(message)
# callback from when shower ends
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
if reason in ("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('menushow','m03'))
self.what_next(message)
# *********************
# Ending the show
# *********************
# finish the player for killing, error or normally
# this may be called directly if sub/child shows or players are not running
# if they might be running then need to call terminate?????
def end(self,reason,message):
self.mon.log(self,"Ending menushow: "+ self.show_params['show-ref'])
if self.menu_timeout_running<>None:
self.canvas.after_cancel(self.menu_timeout_running)
self.menu_timeout_running=None
self.end_callback(self.show_id,reason,message)
self=None
return
# *********************
# Displaying things
# *********************
def display_background(self):
pil_menu_img=PIL.Image.open(self.menu_img_file)
self.menu_background = PIL.ImageTk.PhotoImage(pil_menu_img)
self.drawn = self.canvas.create_image(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
image=self.menu_background,
anchor=CENTER,
tag='pp-content')
def display_new_menu(self):
# calculate menu geometry
error,reason=self.calculate_geometry()
if error<>'normal':
self.mon.err(self,"Menu geometry error: "+ reason)
self.end('error',"Menu geometry error")
else:
# display the menu entries
self.display_menu_entries()
def display_menu_entries(self):
# init the loop
column_index=0
row_index=0
self.menu_length=1
# id store is a list of elements each being a list of the three ids of the elements of the entry
self.menu_entry_id=[]
# offsets for the above
self.icon_id_index=0 # rectangle around the icon
self.image_id_index=1 # icon image - needed for tkinter
self.text_id_index=2 # the text - need whn no icon is displayed
#select the startof the medialist
self.medialist.start()
#loop through menu entries
while True:
#display the entry
#calculate top left corner of entry
self.calculate_entry_position(column_index,row_index)
# display the button strip
self.display_entry_strip()
#display the selected entry highlight
icon_id=self.display_icon_rectangle()
#display the image in the icon
image_id=self.display_icon_image()
if self.show_params['menu-text-mode']<>'none':
text_id=self.display_icon_text()
else:
text_id=None
#append id's to the list
self.menu_entry_id.append([icon_id,image_id,text_id])
self.canvas.update_idletasks( )
#and loop
if self.medialist.at_end():
break
self.menu_length+=1
self.medialist.next('ordered')
if self.direction=='horizontal':
column_index+=1
if column_index>=self.menu_columns:
column_index=0
row_index+=1
else:
row_index+=1
if row_index>=self.menu_rows:
row_index=0
column_index+=1
# finally select and highlight the first entry
self.medialist.start()
self.menu_index=0
self.highlight_menu_entry(self.menu_index,True)
def print_geometry(self,total_width,total_height):
print 'menu width: ', self.menu_width
print 'columns', self.menu_columns
print 'icon width: ', self.icon_width
print 'horizontal padding: ', self.menu_horizontal_padding
print 'text width: ', self.text_width
print 'entry width: ', self.entry_width
print 'total width: ', total_width
print 'x separation: ', self.x_separation
print ''
print 'menu height', self.menu_height
print 'rows: ', self.menu_rows
print 'icon height', self.icon_height
print 'vertical padding: ', self.menu_vertical_padding
print 'text height', self.text_height
print 'entry height', self.entry_height
print 'total height', total_height
print 'y separation', self.y_separation
# ------------------------------------------------------------------
#calculate menu entry size and separation between menu entries
# ------------------------------------------------------------------
def calculate_geometry(self):
self.display_strip=self.show_params['menu-strip']
self.screen_width=int(self.canvas['width'])
self.screen_height=int(self.canvas['height'])
if self.display_strip=='yes':
self.strip_padding=int(self.show_params['menu-strip-padding'])
else:
self.strip_padding=0
# parse the menu window
error,reason,self.menu_x_left,self.menu_y_top,self.menu_x_right,self.menu_y_bottom=self.parse_menu_window(self.show_params['menu-window'])
if error<>'normal':
return 'error',"Menu Window error: "+ reason
if self.show_params['menu-icon-mode']=='none' and self.show_params['menu-text-mode']=='none':
return 'error','Icon and Text are both None'
if self.show_params['menu-icon-mode']=='none' and self.show_params['menu-text-mode']=='overlay':
return 'error','cannot overlay none icon'
self.direction=self.show_params['menu-direction']
self.menu_width=self.menu_x_right - self.menu_x_left
self.menu_height=self.menu_y_bottom - self.menu_y_top
self.list_length=self.medialist.display_length()
# get or calculate rows and columns
if self.direction=='horizontal':
if self.show_params['menu-columns']=='':
return 'error','blank columns for horizontal direction'
self.menu_columns=int(self.show_params['menu-columns'])
self.menu_rows=self.list_length//self.menu_columns
if self.list_length % self.menu_columns<>0:
self.menu_rows+=1
else:
if self.show_params['menu-rows']=='':
return 'error','blank rows for vertical direction'
self.menu_rows=int(self.show_params['menu-rows'])
self.menu_columns=self.list_length//self.menu_rows
if self.list_length % self.menu_rows<>0:
self.menu_columns+=1
self.x_separation=int(self.show_params['menu-horizontal-separation'])
self.y_separation=int(self.show_params['menu-vertical-separation'])
# get size of padding depending on exitence of icon and text
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet') and self.show_params['menu-text-mode'] == 'right':
self.menu_horizontal_padding=int(self.show_params['menu-horizontal-padding'])
else:
self.menu_horizontal_padding=0
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet') and self.show_params['menu-text-mode'] == 'below':
self.menu_vertical_padding=int(self.show_params['menu-vertical-padding'])
else:
self.menu_vertical_padding=0
#calculate size of icon depending on use
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
self.icon_width=int(self.show_params['menu-icon-width'])
self.icon_height=int(self.show_params['menu-icon-height'])
else:
self.icon_width=0
self.icon_height=0
#calculate size of text box depending on mode
if self.show_params['menu-text-mode']<>'none':
self.text_width=int(self.show_params['menu-text-width'])
self.text_height=int(self.show_params['menu-text-height'])
else:
self.text_width=0
self.text_height=0
# calculate size of entry box by combining text and icon sizes
if self.show_params['menu-text-mode'] == 'right':
self.entry_width=self.icon_width+self.menu_horizontal_padding+self.text_width
self.entry_height=max(self.text_height,self.icon_height)
elif self.show_params['menu-text-mode']=='below':
self.entry_width=max(self.text_width,self.icon_width)
self.entry_height=self.icon_height + self.menu_vertical_padding + self.text_height
else:
# no text or overlaid text
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
# icon only
self.entry_width=self.icon_width
self.entry_height=self.icon_height
else:
#text only
self.entry_width=self.text_width
self.entry_height=self.text_height
if self.entry_width<=self.menu_horizontal_padding:
return 'error','entry width is zero'
if self.entry_height<=self.menu_vertical_padding:
return 'error','entry height is zero'
# calculate totals for debugging puropses
total_width=self.menu_columns * self.entry_width +(self.menu_columns-1)*self.x_separation
total_height=self.menu_rows * self.entry_height + (self.menu_rows-1)*self.y_separation
# self.print_geometry(total_width,total_height)
# display guidelines and debgging text if there is a problem
if total_width>self.menu_width and self.display_guidelines<>'never':
self.display_guidelines='always'
self.mon.log(self,'\nMENU IS WIDER THAN THE WINDOW')
self.print_geometry(total_width,total_height)
if total_height>self.menu_height and self.display_guidelines<>'never':
self.display_guidelines='always'
self.mon.log(self,'\nMENU IS TALLER THAN THE WINDOW')
self.print_geometry(total_width,total_height)
# display calculated total rectangle guidelines for debugging
if self.display_guidelines=='always':
points=[self.menu_x_left,self.menu_y_top, self.menu_x_left+total_width,self.menu_y_top+total_height]
# and display the icon rectangle
self.canvas.create_rectangle(points,
outline='red',
fill='',
tag='pp-content')
# display menu rectangle guidelines for debugging
if self.display_guidelines=='always':
points=[self.menu_x_left,self.menu_y_top, self.menu_x_right,self.menu_y_bottom]
self.canvas.create_rectangle(points,
outline='blue',
fill='',
tag='pp-content')
return 'normal',''
def calculate_entry_position(self,column_index,row_index):
self.entry_x=self.menu_x_left+ column_index*(self.x_separation+self.entry_width)
self.entry_y=self.menu_y_top+ row_index*(self.y_separation+self.entry_height)
def display_entry_strip(self):
if self.display_strip=='yes':
if self.direction=='vertical':
#display the strip
strip_points=[self.entry_x - self.strip_padding -1 ,
self.entry_y - self.strip_padding - 1,
self.entry_x+ self.entry_width + self.strip_padding - 1,
self.entry_y+self.entry_height+ self.strip_padding - 1]
self.canvas.create_rectangle(strip_points,
outline='',
fill='gray',
stipple='gray12',
tag='pp-content')
top_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x + self.entry_width + self.strip_padding ,
self.entry_y - self.strip_padding]
self.canvas.create_line(top_l_points,
fill='light gray',
tag='pp-content')
bottom_l_points=[self.entry_x - self.strip_padding,
self.entry_y + self.entry_height + self.strip_padding,
self.entry_x+ self.entry_width + self.strip_padding ,
self.entry_y+ self.entry_height + self.strip_padding]
self.canvas.create_line(bottom_l_points,
fill='dark gray',
tag='pp-content')
left_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x - self.strip_padding,
self.entry_y + self.entry_height + self.strip_padding]
self.canvas.create_line(left_l_points,
fill='gray',
tag='pp-content')
else:
#display the strip vertically
strip_points=[self.entry_x - self.strip_padding +1 ,
self.entry_y - self.strip_padding +1,
self.entry_x+self.entry_width + self.strip_padding -1,
self.entry_y + self.entry_height+ self.strip_padding -1]
self.canvas.create_rectangle(strip_points,
outline='',
fill='gray',
stipple='gray12',
tag='pp-content')
top_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x + self.entry_width + self.strip_padding,
self.entry_y - self.strip_padding]
self.canvas.create_line(top_l_points,
fill='light gray',
tag='pp-content')
left_l_points=[self.entry_x - self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x - self.strip_padding,
self.entry_y + self.entry_height+ self.strip_padding]
self.canvas.create_line(left_l_points,
fill='gray',
tag='pp-content')
right_l_points=[self.entry_x +self.entry_width + self.strip_padding,
self.entry_y - self.strip_padding,
self.entry_x +self.entry_width + self.strip_padding,
self.entry_y + self.entry_height+ self.strip_padding]
self.canvas.create_line(right_l_points,
fill='dark gray',
tag='pp-content')
# display the rectangle that goes arond the icon when the entry is selected
def display_icon_rectangle(self):
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
#calculate icon parameters
if self.icon_width<self.text_width and self.show_params['menu-text-mode']=='below':
self.icon_x_left=self.entry_x+abs(self.icon_width-self.text_width)/2
else:
self.icon_x_left=self.entry_x
self.icon_x_right=self.icon_x_left+self.icon_width
if self.icon_height<self.text_height and self.show_params['menu-text-mode']=='right':
self.icon_y_top=self.entry_y+abs(self.icon_height-self.text_height)/2
else:
self.icon_y_top=self.entry_y
self.icon_y_bottom=self.icon_y_top+self.icon_height
req_horiz_sep=self.menu_horizontal_padding
req_vert_sep=self.menu_vertical_padding
points=[self.icon_x_left,self.icon_y_top,self.icon_x_right,self.icon_y_top,self.icon_x_right,self.icon_y_bottom,self.icon_x_left,self.icon_y_bottom]
# display guidelines make it white when not selctedfor debugging
if self.display_guidelines=='always':
outline='white'
else:
outline=''
# and display the icon rectangle
icon_id=self.canvas.create_polygon(points,
outline=outline,
fill='',
tag='pp-content')
else:
# not using icon so set starting point for text to zero icon size
self.icon_x_right=self.entry_x
self.icon_y_bottom=self.entry_y
req_horiz_sep=0
req_vert_sep=0
icon_id=None
return icon_id
#display the image in a menu entry
def display_icon_image(self):
image_id=None
if self.show_params['menu-icon-mode'] == 'thumbnail':
# try for the thumbnail
if self.medialist.selected_track()['thumbnail']<>'' and os.path.exists(self.complete_path(self.medialist.selected_track()['thumbnail'])):
self.pil_image=PIL.Image.open(self.complete_path(self.medialist.selected_track()['thumbnail']))
else:
#cannot find thumbnail get the image if its an image track
if self.medialist.selected_track()['type'] =='image':
self.track=self.complete_path(self.medialist.selected_track()['location'])
else:
self.track=''
if self.medialist.selected_track()['type']=='image' and os.path.exists(self.track)==True:
self.pil_image=PIL.Image.open(self.track)
else:
#use a standard thumbnail
type=self.medialist.selected_track()['type']
standard=self.pp_dir+os.sep+'pp_home'+os.sep+'pp_resources'+os.sep+type+'.png'
if os.path.exists(standard)==True:
self.pil_image=PIL.Image.open(standard)
self.mon.log(self,'WARNING: default thumbnail used for '+self.medialist.selected_track()['title'])
else:
self.pil_image=None
# display the image
if self.pil_image<>None:
self.pil_image=self.pil_image.resize((self.icon_width-2,self.icon_height-2))
image_id=PIL.ImageTk.PhotoImage(self.pil_image)
self.canvas.create_image(self.icon_x_left+1, self.icon_y_top+1,
image=image_id, anchor=NW,
tag='pp-content')
else:
image_id=None
elif self.show_params['menu-icon-mode'] =='bullet':
bullet=self.complete_path(self.show_params['menu-bullet'])
if os.path.exists(bullet)==False:
self.pil_image=None
else:
self.pil_image=PIL.Image.open(bullet)
if self.pil_image<>None:
self.pil_image=self.pil_image.resize((self.icon_width-2,self.icon_height-2))
image_id=PIL.ImageTk.PhotoImage(self.pil_image)
self.canvas.create_image(self.icon_x_left+1, self.icon_y_top+1,
image=image_id, anchor=NW,
tag='pp-content')
else:
image_id=None
return image_id
#display the text of a menu entry
def display_icon_text(self):
text_mode=self.show_params['menu-text-mode']
if self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
if text_mode=='right':
if self.icon_height>self.text_height:
text_y_top=self.entry_y+abs(self.icon_height-self.text_height)/2
else:
text_y_top=self.entry_y
text_y_bottom=text_y_top+self.text_height
text_x_left=self.icon_x_right+self.menu_horizontal_padding
text_x_right=text_x_left+self.text_width
text_x=text_x_left
text_y=text_y_top+(self.text_height/2)
elif text_mode=='below':
text_y_top=self.icon_y_bottom+self.menu_vertical_padding
text_y_bottom=text_y_top+self.text_height
if self.icon_width>self.text_width:
text_x_left=self.entry_x+abs(self.icon_width-self.text_width)/2
else:
text_x_left=self.entry_x
text_x_right=text_x_left+self.text_width
text_x=text_x_left+(self.text_width/2)
text_y=text_y_top
else:
# icon with text_mode=overlay or none
text_x_left=self.icon_x_left
text_x_right= self.icon_x_right
text_y_top=self.icon_y_top
text_y_bottom=self.icon_y_bottom
text_x=(text_x_left+text_x_right)/2
text_y=(text_y_top+text_y_bottom)/2
else:
#no icon text only
text_y_top=self.entry_y
text_y_bottom=text_y_top+self.text_height
text_x_left=self.entry_x
text_x_right=text_x_left+self.text_width
text_x=self.entry_x
text_y=self.entry_y+self.text_height/2
#display the guidelines for debugging
if self.display_guidelines=='always':
points=[text_x_left,text_y_top,text_x_right,text_y_top,text_x_right,text_y_bottom,text_x_left,text_y_bottom]
self.canvas.create_polygon(points,fill= '' ,
outline='white',
tag='pp-content')
# display the text
if text_mode=='below' and self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
anchor=N
justify=CENTER
elif text_mode=='overlay' and self.show_params['menu-icon-mode'] in ('thumbnail','bullet'):
anchor=CENTER
justify=CENTER
else:
anchor=W
justify=LEFT
text_id=self.canvas.create_text(text_x,text_y,
text=self.medialist.selected_track()['title'],
anchor=anchor,
fill=self.show_params['entry-colour'],
font=self.show_params['entry-font'],
width=self.text_width,
justify=justify,
tag='pp-content')
return text_id
def highlight_menu_entry(self,index,state):
if self.show_params['menu-icon-mode']<>'none':
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index][self.icon_id_index],
outline=self.show_params['entry-select-colour'],
width=4,
)
else:
self.canvas.itemconfig(self.menu_entry_id[index][self.icon_id_index],
outline='',
width=1
)
else:
if state==True:
self.canvas.itemconfig(self.menu_entry_id[index][self.text_id_index],
fill=self.show_params['entry-select-colour'])
else:
self.canvas.itemconfig(self.menu_entry_id[index][self.text_id_index],
fill=self.show_params['entry-colour'])
def display_eggtimer(self,text):
# print "display eggtimer"
self.canvas.create_text(int(self.canvas['width'])/2,
int(self.canvas['height'])/2,
text= text,
fill='white',
font="Helvetica 20 bold",
tag='pp-eggtimer')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
# print"delete eggtimer"
self.canvas.delete('pp-eggtimer')
self.canvas.update_idletasks( )
# *********************
# utilities
# *********************
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
return track_file
def parse_menu_window(self,line):
if line<>'':
fields = line.split()
if len(fields) not in (1, 2,4):
return 'error','wrong number of fields',0,0,0,0
if len(fields)==1:
if fields[0]=='fullscreen':
return 'normal','',0,0,self.screen_width - 1, self.screen_height - 1
else:
return 'error','single field is not fullscreen',0,0,0,0
if len(fields)==2:
if fields[0].isdigit() and fields[1].isdigit():
return 'normal','',int(fields[0]),int(fields[1]),self.screen_width, self.screen_height
else:
return 'error','field is not a digit',0,0,0,0
if len(fields)==4:
if fields[0].isdigit() and fields[1].isdigit() and fields[2].isdigit() and fields[3].isdigit():
return 'normal','',int(fields[0]),int(fields[1]),int(fields[2]),int(fields[3])
else:
return 'error','field is not a digit',0,0,0,0
else:
return 'error','line is blank',0,0,0,0
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# timers may be running so need terminate
self.terminate("error")
else:
return value
class HyperlinkShow:
"""
Aimed at touchscreens but can be used for any purpose where the user is required to follow hyperlinks between tracks
Profiles for media tracks (message, image, video, audio ) specify links to other tracks
in a link a symbolic name of an input is associated with a track-reference
The show begins at first-track and then uses events (GPIO, keypresses etc.) to link to other tracks via their symbolic names
If using 'call' keeps a record of the tracks it has visited so the 'return' command can go back.
Executes timeout-track if no user input is received.
links are of the form:
symbolic-name command [track-ref]
link commands:
call <track-ref> play track-ref and add it to the path
return - return 1 back up the path removing the track from the path, stops at home-track.
return n - return n tracks back up the path removing the track from the path, stops at home-track.
return <track-ref> return to <track-ref> removing tracks from the path
home - return to home-track removing tracks from the path
jump <track-ref-> - play trck-ref forgetting the path back to home-track
goto <track-ref> - play track-ref, forget the path
exit - end the hyperlink show
null - inhibits the link defined in the show with the same symbolic name.
reserved symbolic names
pp-onend command - pseudo symbolic name for end of a track
interface:
* play - selects the first track to play (first-track)
* input_pressed, - receives user events passes them to a Shower/Player if a track is playing,
otherwise actions them depending on the symbolic name supplied
"""
# *********************
# external interface
# ********************
def __init__(self,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile):
""" canvas - the canvas that the tracks of the event show are to be written on
show_params - the name of the configuration dictionary section for the hyperlinkshow
showlist - the showlist, to enable runningnof show type tracks.
pp_home - Pi presents data_home directory
pp_profile - Pi presents profile directory
"""
self.mon=Monitor()
self.mon.on()
#instantiate arguments
self.show_params=show_params
self.root=root
self.showlist=showlist
self.canvas=canvas
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
# open resources
self.rr=ResourceReader()
#create a path stack
self.path = PathManager()
# init variables
self.drawn = None
self.player=None
self.shower=None
self.timeout_running=None
self.error=False
def play(self,show_id,end_callback,ready_callback,top=False,command='nil'):
""" starts the hyperlink show at start-track
end_callback - function to be called when the show exits
ready_callback - callback when event-show is ready to display its forst track (not used?)
top is True when the show is top level (run from [start] or from show control)
command is not used
"""
#instantiate arguments
self.show_id=show_id
self.end_callback=end_callback
self.ready_callback=ready_callback
self.top=top
self.command=command
# check data files are available.
self.medialist_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.medialist_file):
self.mon.err(self,"Medialist file not found: "+ self.medialist_file)
self.end('error',"Medialist file not found")
#create a medialist object for the hyperlinkshow and read the file into it.
self.medialist=MediaList()
if self.medialist.open_list(self.medialist_file,self.showlist.sissue()) == False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
#get controls for this show if top level
controlsmanager=ControlsManager()
if self.top==True:
self.controls_list=controlsmanager.default_controls()
# and merge in controls from profile
self.controls_list=controlsmanager.merge_show_controls(self.controls_list,self.show_params['controls'])
# read show links and destinations
self.first_track_ref=self.show_params['first-track-ref']
self.home_track_ref=self.show_params['home-track-ref']
self.timeout_track_ref=self.show_params['timeout-track-ref']
# state variables and signals
self.end_hyperlinkshow_signal= False
self.egg_timer=None
self.next_track_signal=False
self.next_track_ref=''
self.current_track_ref=''
self.current_track_type=''
# ready callback for show
if self.ready_callback<>None:
self.ready_callback()
self.canvas.delete('pp-content')
self.canvas.config(bg='black')
self.do_first_track()
#stop received from another concurrent show via ShowManager
def managed_stop(self):
# set signal to stop the hyperlinkshow when all sub-shows and players have ended
self.end_hyperlinkshow_signal=True
# then stop and shows or tracks.
if self.shower<>None:
self.shower.managed_stop()
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.end('normal','stopped by ShowManager')
# kill or error
def terminate(self,reason):
self.end_hyperlinkshow_signal=True
if self.shower<>None:
self.shower.terminate(reason)
elif self.player<>None:
self.player.terminate(reason)
else:
self.end(reason,'terminated without terminating shower or player')
# respond to inputs
def input_pressed(self,symbol,edge,source):
self.mon.log(self,"received symbol: " + symbol)
#does the symbol match a link, if so execute it
if self.is_link(symbol,edge,source)==True:
return
# controls are disabled so ignore anything else
if self.show_params['disable-controls']=='yes':
return
# does it match a control
# if at top convert symbolic name to operation otherwise lower down we have received an operatio
# look through list of controls to find match
if self.top==True:
operation=self.lookup_control(symbol,self.controls_list)
else:
operation=symbol
# print 'operation',operation
if operation<>'':
self.do_operation(operation,edge,source)
def do_operation(self,operation,edge,source):
if self.shower<>None:
# if next lower show is running pass down to stop the show and lower level
self.shower.input_pressed(operation,edge,source)
else:
# control this show and its tracks
if operation=='stop':
if self.player<>None:
if self.current_track_ref==self.first_track_ref and self.top==False:
self.end_radiobuttonshow_signal=True
self.player.input_pressed('stop')
elif operation == 'pause':
if self.player<>None:
self.player.input_pressed(operation)
elif operation[0:4]=='omx-' or operation[0:6]=='mplay-'or operation[0:5]=='uzbl-':
if self.player<>None:
self.player.input_pressed(operation)
def is_link(self,symbol,edge,source):
# find the first entry in links that matches the symbol and execute its operation
# print 'hyperlinkshow ',symbol
found=False
for link in self.links:
#print link
if symbol==link[0]:
found=True
if link[1]<>'null':
# print 'match',link[0]
link_operation=link[1]
if link_operation=='home':
self.do_home(edge,source)
elif link_operation =='return':
self.do_return(link[2],edge,source)
elif link_operation =='call':
self.do_call(link[2],edge,source)
elif link_operation =='goto':
self.do_goto(link[2],edge,source)
elif link_operation =='jump':
self.do_jump(link[2],edge,source)
elif link_operation=='exit':
self.end('normal','executed exit command')
return found
def lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
return ''
# *********************
# INTERNAL FUNCTIONS
# ********************
# *********************
# Show Sequencer
# *********************
def timeout_callback(self):
self.do_call(self.timeout_track_ref,'front','timeout')
def do_call(self,track_ref,edge,source):
if track_ref<>self.current_track_ref:
self.mon.log(self, 'call: '+track_ref)
self.next_track_signal=True
self.next_track_op='call'
self.next_track_arg=track_ref
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_goto(self,to,edge,source):
if to<>self.current_track_ref:
self.mon.log(self,'goto: '+to)
self.next_track_signal=True
self.next_track_op='goto'
self.next_track_arg=to
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_jump(self,to,edge,source):
if to<>self.current_track_ref:
self.mon.log(self,'jump to: '+to)
self.next_track_signal=True
self.next_track_op='jump'
self.next_track_arg=to
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_return(self,to,edge,source):
self.next_track_signal=True
if to.isdigit() or to=='':
self.mon.log(self,'hyperlink command - return by: '+to)
self.next_track_op='return-by'
if to == '':
self.next_track_arg='1'
else:
self.next_track_arg=to
else:
self.mon.log(self,'hyperlink command - return to: '+to)
self.next_track_op='return-to'
self.next_track_arg=to
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_home(self,edge,source):
if self.current_track_ref<>self.home_track_ref:
self.mon.log(self,'hyperlink command - home')
self.next_track_signal=True
self.next_track_op='home'
if self.shower<>None:
self.shower.input_pressed('stop',edge,source)
elif self.player<>None:
self.player.input_pressed('stop')
else:
self.what_next()
def do_first_track(self):
index = self.medialist.index_of_track(self.first_track_ref)
if index >=0:
#don't use select the track as not using selected_track in hyperlinkshow
first_track=self.medialist.track(index)
self.current_track_ref=first_track['track-ref']
self.path.append(first_track['track-ref'])
self.play_selected_track(first_track)
else:
self.mon.err(self,"first-track not found in medialist: "+ self.show_params['first-track-ref'])
self.end('error',"first track not found in medialist")
def what_next(self):
# user wants to end the show
if self.end_hyperlinkshow_signal==True:
self.end_hyperlinkshow_signal=False
self.end('normal',"show ended by user")
# user has selected another track
elif self.next_track_signal==True:
self.next_track_signal=False
# home
if self.next_track_op in ('home'):
# back to 1 before home
back_ref=self.path.back_to(self.home_track_ref)
if back_ref=='':
self.mon.err(self,"home - home track not in path: "+self.home_track_ref)
self.end('error',"home - home track not in path")
# play home
self.next_track_ref=self.home_track_ref
self.path.append(self.next_track_ref)
# return-by
elif self.next_track_op in ('return-by'):
if self.current_track_ref<>self.home_track_ref:
# back n stopping at home
# back one more and return it
back_ref=self.path.back_by(self.home_track_ref,self.next_track_arg)
# use returned track
self.next_track_ref=back_ref
self.path.append(self.next_track_ref)
# return-to
elif self.next_track_op in ('return-to'):
#back to one before return-to track
back_ref=self.path.back_to(self.next_track_arg)
if back_ref=='':
self.mon.err(self,"return-to - track not in path: "+self.next_track_arg)
self.end('error',"return-to - track not in path")
# and append the return to track
self.next_track_ref=self.next_track_arg
self.path.append(self.next_track_ref)
# call
elif self.next_track_op in ('call'):
# append the required track
self.path.append(self.next_track_arg)
self.next_track_ref=self.next_track_arg
# goto
elif self.next_track_op in ('goto'):
self.path.pop_for_sibling()
## #back to first track and remove it
## back_ref=self.path.back_to(self.first_track_ref)
## if back_ref=='':
## self.mon.err(self,"goto - first track not in path: "+self.first_track_ref)
## self.end('error',"goto - first track not in path")
#add the goto track
self.next_track_ref=self.next_track_arg
self.path.append(self.next_track_arg)
# jump
elif self.next_track_op in ('jump'):
# back to home and remove it
back_ref=self.path.back_to(self.home_track_ref)
if back_ref=='':
self.mon.err(self,"jump - home track not in path: "+self.home_track_ref)
self.end('error',"jump - track not in path")
# add back the home track without playing it
self.path.append(self.home_track_ref)
# append the jumped to track
self.next_track_ref=self.next_track_arg
self.path.append(self.next_track_ref)
else:
self.mon.err(self,"unaddressed what next: "+ self.next_track_op+ ' '+self.next_track_arg)
self.end('error',"unaddressed what next")
self.current_track_ref=self.next_track_ref
index = self.medialist.index_of_track(self.next_track_ref)
if index >=0:
#don't use select the track as not using selected_track in hyperlinkshow
next_track=self.medialist.track(index)
self.play_selected_track(next_track)
else:
self.mon.err(self,"next-track not found in medialist: "+ self.next_track_ref)
self.end('error',"next track not found in medialist")
else:
#track ends naturally
#then input pp-onend symbolic name
self.input_pressed('pp-onend','front','key')
# *********************
# Dispatching to Players
# *********************
def page_callback(self):
# called from a Player when ready to play, merge the links from the track with those from the show
# and then enable the click areas
self.delete_eggtimer()
links_text=self.player.get_links()
reason,message,track_links=self.path.parse_links(links_text)
if reason=='error':
self.mon.err(self,message + " in page")
self.end('error',message)
self.path.merge_links(self.links,track_links)
# enable the click-area that are in the list of links
self.enable_click_areas()
def enable_click_areas(self):
for link in self.links:
#print 'trying link ',link[0]
if not('key-' in link[0]) and link[1]<>'null' and link[0]<>'pp-auto':
# print 'enabling link ',link[0]
self.canvas.itemconfig(link[0],state='normal')
def play_selected_track(self,selected_track):
""" selects the appropriate player from type field of the medialist and computes
the parameters for that type
selected track is a dictionary for the track/show
"""
if self.timeout_running<>None:
self.canvas.after_cancel(self.timeout_running)
self.timeout_running=None
# self.canvas.delete(ALL)
self.display_eggtimer(self.resource('hyperlinkshow','m01'))
self.current_track_type = selected_track['type']
#read the show links. Track links will be added by ready_callback
links_text=self.show_params['links']
reason,message,self.links=self.path.parse_links(links_text)
if reason=='error':
self.mon.err(self,message + " in show")
self.end('error',message)
#start timeout for the track if required
if self.current_track_ref<>self.first_track_ref and int(self.show_params['timeout'])<>0:
self.timeout_running=self.canvas.after(int(self.show_params['timeout'])*1000,self.timeout_callback)
# dispatch track by type
self.player=None
self.shower=None
track_type = selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type=="video":
# create a videoplayer
track_file=self.complete_path(selected_track)
self.player=VideoPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="audio":
# create a audioplayer
track_file=self.complete_path(selected_track)
self.player=AudioPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="image":
track_file=self.complete_path(selected_track)
self.player=ImagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False,
)
elif track_type=="web":
# create a browser
track_file=self.complete_path(selected_track)
self.player=BrowserPlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(track_file,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False)
elif track_type=="message":
# bit odd because MessagePlayer is used internally to display text.
text=selected_track['text']
self.player=MessagePlayer(self.show_id,self.root,self.canvas,self.show_params,selected_track,self.pp_dir,self.pp_home,self.pp_profile)
self.player.play(text,
self.showlist,
self.end_player,
self.page_callback,
enable_menu=False
)
elif track_type=="show":
self.enable_click_areas()
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index >=0:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
else:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end("Unknown show")
if selected_show['type']=="mediashow":
self.shower= MediaShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="liveshow":
self.shower= LiveShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="radiobuttonshow":
self.shower= RadioButtonShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="hyperlinkshow":
self.shower= HyperlinkShow(selected_show,
self.root,
self.canvas,
self.showlist,
self,pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
elif selected_show['type']=="menu":
self.shower= MenuShow(selected_show,
self.root,
self.canvas,
self.showlist,
self.pp_dir,
self.pp_home,
self.pp_profile)
self.shower.play(self.show_id,self.end_shower,self.ready_callback,top=False,command='nil')
else:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.end("Unknown show type")
else:
self.mon.err(self,"Unknown Track Type: "+ track_type)
self.end("Unknown track type")
# callback from when player ends
def end_player(self,reason,message):
self.mon.log(self,"Returned from player with message: "+ message)
self.player=None
# this does not seem to change the colour of the polygon
self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks( )
if reason in("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('hyperlinkshow','m02'))
self.what_next()
# callback from when shower ends
def end_shower(self,show_id,reason,message):
self.mon.log(self,"Returned from shower with message: "+ message)
self.shower=None
self.canvas.itemconfig('pp-click-area',state='hidden')
self.canvas.update_idletasks( )
if reason in ("killed","error"):
self.end(reason,message)
else:
self.display_eggtimer(self.resource('hyperlinkshow','m03'))
self.what_next()
# *********************
# End the show
# *********************
# finish the player for killing, error or normally
# this may be called directly sub/child shows or players are not running
# if they might be running then need to call terminate.
def end(self,reason,message):
self.mon.log(self,"Ending hyperlinkshow: "+ self.show_params['show-ref'])
self.end_callback(self.show_id,reason,message)
self=None
return
# *********************
# displaying things
# *********************
def display_eggtimer(self,text):
#self.egg_timer=self.canvas.create_text(int(self.canvas['width'])/2,
#int(self.canvas['height'])/2,
#text= text,
# fill='white',
# font="Helvetica 20 bold")
#self.canvas.update_idletasks( )
pass
def delete_eggtimer(self):
if self.egg_timer!=None:
self.canvas.delete(self.egg_timer)
# *********************
# utilities
# *********************
def complete_path(self,selected_track):
# complete path of the filename of the selected entry
track_file = selected_track['location']
if track_file<>'' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to play is: "+ track_file)
return track_file
def resource(self,section,item):
value=self.rr.get(section,item)
if value==False:
self.mon.err(self, "resource: "+section +': '+ item + " not found" )
# players or showers may be running so need terminate
self.terminate("error")
else:
return value