class Master(object):
"""
Master Monitor. This monitor will connect to the db and will call all
monitors with the changes. This class will make sure they don't re-query
all at once and have a small delay between them to keep the load down.
"""
def __init__(self, db):
self.monitors = []
self.timer = Timer(self.check)
db.signals['changed'].connect(self.changed)
def connect(self, monitor):
"""
Connect a new monitor.
"""
self.monitors.append((weakref(monitor), [ False, [] ]))
def changed(self, changes):
"""
Database callback with changed ids.
"""
if len(changes) == 1 and changes[0][0] == 'media':
for m, c in self.monitors:
c[0] = True
for m, c in self.monitors:
c[1].extend(changes)
if not self.timer.active:
# TODO: should use scheduler to get interval
self.timer.start(0.02)
def check(self):
"""
Timed callback to call the connected monitor update functions.
"""
if not self.monitors:
return False
monitor, (force, changes) = self.monitors.pop(0)
if monitor == None:
return True
if changes or force:
monitor.check(changes)
self.monitors.append((monitor, [ False, [] ]))
return len(changes) > 0 or force
class Master(object):
"""
Master Monitor. This monitor will connect to the db and will call all
monitors with the changes. This class will make sure they don't re-query
all at once and have a small delay between them to keep the load down.
"""
def __init__(self, db):
self.monitors = []
self.timer = Timer(self.check)
db.signals['changed'].connect(self.changed)
def connect(self, monitor):
"""
Connect a new monitor.
"""
self.monitors.append((weakref(monitor), [False, []]))
def changed(self, changes):
"""
Database callback with changed ids.
"""
if len(changes) == 1 and changes[0][0] == 'media':
for m, c in self.monitors:
c[0] = True
for m, c in self.monitors:
c[1].extend(changes)
if not self.timer.active:
# TODO: should use scheduler to get interval
self.timer.start(0.02)
def check(self):
"""
Timed callback to call the connected monitor update functions.
"""
if not self.monitors:
return False
monitor, (force, changes) = self.monitors.pop(0)
if monitor == None:
return True
if changes or force:
monitor.check(changes)
self.monitors.append((monitor, [False, []]))
return len(changes) > 0 or force
class PluginInterface(plugin.DaemonPlugin):
"""
This plugin enables a small bar showing information about audio being played
when detached with the detach plugin.
If the idlebar is loaded and there is enough space left there, this plugin
will draw itself there, otherwise it will draw at the right bottom of the
screen.
A dot (graphvis) diagram of the states the bar has
dot -Tpng -odetach.png detach.dot
| digraph finite_state_machine {
| rankdir=TB;
| size="8,5"
| node [shape = doublecircle]; Hide;
| node [shape = circle];
| { rank = same; "Wait"; "Show"; }
| Hide -> Show [ label = "detach(start timer)" ];
| Show -> Wait [ label = "play_end" ];
| Show -> Hide [ label = "stop(stop timer)" ];
| Wait -> Hide [ label = "stop(stop timer)" ];
| Show -> Show [ label = "play_start" ];
| Wait -> Show [ label = "play_start" ];
| Wait -> Hide [ label = "timeout(stop timer)" ];
| }
"""
detached = False
def __init__(self):
"""initialise the DaemonPlugin interface"""
logger.log( 9, 'detachbar.PluginInterface.__init__()')
plugin.DaemonPlugin.__init__(self)
self.plugin_name = 'audio.detachbar'
self.player = None
self.timer = Timer(self._timer_handler)
self.event = EventHandler(self._event_handler)
self.event.register()
self.state = BAR_NOTSET
self.update(BAR_HIDE)
# tunables
self.wait_timeout = 3 # 3 seconds till we hide the bar
def _event_handler(self, event):
logger.log( 9, '_event_handler(event=%s)', event)
if plugin.isevent(event) == 'DETACH':
PluginInterface.detached = True
self.update(BAR_SHOW)
elif plugin.isevent(event) == 'ATTACH':
PluginInterface.detached = False
self.update(BAR_HIDE)
elif event == STOP:
PluginInterface.detached = False
self.update(BAR_HIDE)
elif event == BUTTON and event.arg == 'STOP':
PluginInterface.detached = False
self.update(BAR_HIDE)
elif PluginInterface.detached:
if event == PLAY_START:
self.update(BAR_SHOW)
elif event == PLAY_END:
self.update(BAR_WAIT)
def _timer_handler(self):
logger.log( 9, '_timer_handler()')
self.update()
def update(self, state=None):
"""
update the bar according to bar state
"""
logger.log( 8, 'update()')
if state is not None:
if state == BAR_SHOW:
self.show()
self.timer.start(1.0)
elif state == BAR_HIDE:
self.timer.stop()
self.hide()
elif state == BAR_WAIT:
self.time = time.time()
self.state = state
if self.state == BAR_SHOW:
skin.redraw()
elif self.state == BAR_HIDE:
skin.redraw()
elif self.state == BAR_WAIT:
if self.time and (time.time() - self.time) > self.wait_timeout:
self.update(BAR_HIDE)
def show(self):
"""
used when showing for the first time
"""
logger.log( 9, 'show()')
self.player = audio.player.get()
if self.player:
self.getinfo()
def hide(self):
"""
used when hiding the bar
"""
logger.log( 9, 'hide()')
self.render = []
self.player = None
self.time = None
self.bar = None
def stop(self):
"""
stops the player, waiting for timeout
"""
logger.log( 9, 'stop()')
#self.state = BAR_WAIT
#self.time = time.time()
def draw(self, (type, object), osd):
"""
draws the bar
called from the skin's redraw method
"""
logger.log( 8, 'draw((type=%r, object=%r), osd=%r)', type, object, osd)
if self.player is None:
return
#if self.state == BAR_WAIT:
# # when idle, wait for a new player
# if audio.player.get():
# self.show()
#elif self.state == BAR_SHOW:
# if self.player and not self.player.running:
# # player stopped, we also stop
# # and wait for a new one
# self.player = None
# self.stop()
# return
# if type == 'player':
# # Oops, showing the player again, stop me
# self.stop()
# self.hide()
# return
font = osd.get_font('detachbar')
if font == osd.get_font('default'):
font = osd.get_font('info value')
self.calculatesizes(osd, font)
if self.image:
x = self.x - self.h
width = self.w + 70 - 10
else:
x = self.x
width = self.w
if not self.idlebar:
y = self.y - 10
height = self.h
osd.drawroundbox(x, y, width, height, (0xf0ffffffL, 5, 0xb0000000L, 10))
if self.image:
osd.draw_image(self.image, (x+5, self.y, 50, 50))
y = self.t_y
for r in self.render:
osd.write_text(r, font, None, self.t_x, y, self.t_w, self.font_h, 'center', 'center')
y += self.font_h
try:
if self.player.item.length:
progress = '%s/%s' % (self.formattime(self.player.item.elapsed),
self.formattime(self.player.item.length))
else:
progress = '%s' % self.formattime(self.player.item.elapsed)
except AttributeError:
progress = ''
osd.write_text(progress, font, None, self.t_x, y, self.t_w, self.font_h, 'center', 'center')
class PluginInterface(plugin.DaemonPlugin):
"""
This plugin enables a small bar showing information about audio being played
when detached with the detach plugin.
If the idlebar is loaded and there is enough space left there, this plugin
will draw itself there, otherwise it will draw at the right bottom of the
screen.
A dot (graphvis) diagram of the states the bar has
dot -Tpng -odetach.png detach.dot
| digraph finite_state_machine {
| rankdir=TB;
| size="8,5"
| node [shape = doublecircle]; Hide;
| node [shape = circle];
| { rank = same; "Wait"; "Show"; }
| Hide -> Show [ label = "detach(start timer)" ];
| Show -> Wait [ label = "play_end" ];
| Show -> Hide [ label = "stop(stop timer)" ];
| Wait -> Hide [ label = "stop(stop timer)" ];
| Show -> Show [ label = "play_start" ];
| Wait -> Show [ label = "play_start" ];
| Wait -> Hide [ label = "timeout(stop timer)" ];
| }
"""
detached = False
def __init__(self):
"""initialise the DaemonPlugin interface"""
logger.log(9, 'detachbar.PluginInterface.__init__()')
plugin.DaemonPlugin.__init__(self)
self.plugin_name = 'audio.detachbar'
self.player = None
self.timer = Timer(self._timer_handler)
self.event = EventHandler(self._event_handler)
self.event.register()
self.state = BAR_NOTSET
self.update(BAR_HIDE)
# tunables
self.wait_timeout = 3 # 3 seconds till we hide the bar
def _event_handler(self, event):
logger.log(9, '_event_handler(event=%s)', event)
if plugin.isevent(event) == 'DETACH':
PluginInterface.detached = True
self.update(BAR_SHOW)
elif plugin.isevent(event) == 'ATTACH':
PluginInterface.detached = False
self.update(BAR_HIDE)
elif event == STOP:
PluginInterface.detached = False
self.update(BAR_HIDE)
elif event == BUTTON and event.arg == 'STOP':
PluginInterface.detached = False
self.update(BAR_HIDE)
elif PluginInterface.detached:
if event == PLAY_START:
self.update(BAR_SHOW)
elif event == PLAY_END:
self.update(BAR_WAIT)
def _timer_handler(self):
logger.log(9, '_timer_handler()')
self.update()
def update(self, state=None):
"""
update the bar according to bar state
"""
logger.log(8, 'update()')
if state is not None:
if state == BAR_SHOW:
self.show()
self.timer.start(1.0)
elif state == BAR_HIDE:
self.timer.stop()
self.hide()
elif state == BAR_WAIT:
self.time = time.time()
self.state = state
if self.state == BAR_SHOW:
skin.redraw()
elif self.state == BAR_HIDE:
skin.redraw()
elif self.state == BAR_WAIT:
if self.time and (time.time() - self.time) > self.wait_timeout:
self.update(BAR_HIDE)
def show(self):
"""
used when showing for the first time
"""
logger.log(9, 'show()')
self.player = audio.player.get()
if self.player:
self.getinfo()
def hide(self):
"""
used when hiding the bar
"""
logger.log(9, 'hide()')
self.render = []
self.player = None
self.time = None
self.bar = None
def stop(self):
"""
stops the player, waiting for timeout
"""
logger.log(9, 'stop()')
#self.state = BAR_WAIT
#self.time = time.time()
def draw(self, (type, object), osd):
"""
draws the bar
called from the skin's redraw method
"""
logger.log(8, 'draw((type=%r, object=%r), osd=%r)', type, object, osd)
if self.player is None:
return
#if self.state == BAR_WAIT:
# # when idle, wait for a new player
# if audio.player.get():
# self.show()
#elif self.state == BAR_SHOW:
# if self.player and not self.player.running:
# # player stopped, we also stop
# # and wait for a new one
# self.player = None
# self.stop()
# return
# if type == 'player':
# # Oops, showing the player again, stop me
# self.stop()
# self.hide()
# return
font = osd.get_font('detachbar')
if font == osd.get_font('default'):
font = osd.get_font('info value')
self.calculatesizes(osd, font)
if self.image:
x = self.x - self.h
width = self.w + 70 - 10
else:
x = self.x
width = self.w
if not self.idlebar:
y = self.y - 10
height = self.h
osd.drawroundbox(x, y, width, height,
(0xf0ffffffL, 5, 0xb0000000L, 10))
if self.image:
osd.draw_image(self.image, (x + 5, self.y, 50, 50))
y = self.t_y
for r in self.render:
osd.write_text(r, font, None, self.t_x, y, self.t_w, self.font_h,
'center', 'center')
y += self.font_h
try:
if self.player.item.length:
progress = '%s/%s' % (self.formattime(
self.player.item.elapsed),
self.formattime(self.player.item.length))
else:
progress = '%s' % self.formattime(self.player.item.elapsed)
except AttributeError:
progress = ''
osd.write_text(progress, font, None, self.t_x, y, self.t_w,
self.font_h, 'center', 'center')
