def __init__(self, engine):
self.image = None
self.mode = None # {None, "filedata", "mood", "gallery", "send"}
self.mode_cleanup = None
self.screen = None
self.logo_screen = None
self.list_screen = None
self.gallery_screen = None
self.screen_list = []
self.engine = engine
self.engine.card.cb = self._card_cb
self.lock = e32.Ao_lock()
self.main_title = u"Tpytwink"
self.old_title = appuifw.app.title
self.egg_zero()
appuifw.app.title = self.main_title
appuifw.app.exit_key_handler = self.abort
self.set_menu_items()
self.set_up_canvas()
self.image = graphics.Image.new(self.canvas.size)
# This screen does not reflect what is in the model. It is
# displayed when we want it to be, and displays whatever
# situation aware wait text we want it to display.
self.logo_screen = LogoScreen(self.image, self.redraw_cb)
# This screen directly reflects the model, and can also be
# used to edit the model.
self.list_screen = ListScreen(self.image, self.redraw_cb)
self.list_screen.set_mood_action(self._mood_select)
self.list_screen.set_recipient_action(self._recipient_select)
self.list_screen.set_picfile_action(self._picfile_select)
self.gallery_screen = GalleryScreen(self.image, self.redraw_cb)
self.gallery_screen.cb = self._gallery_done
self.screen_list = [self.logo_screen, self.list_screen,
self.gallery_screen]
self._card_cb("all")
class App:
"""
This is the controller that owns the engine and chooses which view
should be displayed and when.
"""
egg_list = [57, 53, 49] # keys 9, 5, 1
def __init__(self, engine):
self.image = None
self.mode = None # {None, "filedata", "mood", "gallery", "send"}
self.mode_cleanup = None
self.screen = None
self.logo_screen = None
self.list_screen = None
self.gallery_screen = None
self.screen_list = []
self.engine = engine
self.engine.card.cb = self._card_cb
self.lock = e32.Ao_lock()
self.main_title = u"Tpytwink"
self.old_title = appuifw.app.title
self.egg_zero()
appuifw.app.title = self.main_title
appuifw.app.exit_key_handler = self.abort
self.set_menu_items()
self.set_up_canvas()
self.image = graphics.Image.new(self.canvas.size)
# This screen does not reflect what is in the model. It is
# displayed when we want it to be, and displays whatever
# situation aware wait text we want it to display.
self.logo_screen = LogoScreen(self.image, self.redraw_cb)
# This screen directly reflects the model, and can also be
# used to edit the model.
self.list_screen = ListScreen(self.image, self.redraw_cb)
self.list_screen.set_mood_action(self._mood_select)
self.list_screen.set_recipient_action(self._recipient_select)
self.list_screen.set_picfile_action(self._picfile_select)
self.gallery_screen = GalleryScreen(self.image, self.redraw_cb)
self.gallery_screen.cb = self._gallery_done
self.screen_list = [self.logo_screen, self.list_screen,
self.gallery_screen]
self._card_cb("all")
# --------------------------------------------------------------------
# canvas
def set_up_canvas(self):
# We get cyclic references with these arguments.
self.canvas = None
self.canvas = appuifw.Canvas(self.redraw_cb,
self.event_cb,
self.resize_cb)
appuifw.app.body = self.canvas
def clear_canvas(self):
appuifw.app.body = self.canvas = None
def without_canvas(self, f):
"""
The interaction between a Canvas and an "abnormal" sized
screen appears to mess up dialogs somewhat; using this is a
workaround.
"""
self.clear_canvas()
appuifw.app.screen = 'normal'
try:
f()
finally:
appuifw.app.screen = 'large'
self.set_up_canvas()
# --------------------------------------------------------------------
# mood mode actions
def _mood_select(self):
new_value = appuifw.query(u"Status:", "text", self.engine.card.mood)
if new_value is not None:
self.engine.card.set_mood(new_value)
def _recipient_select(self):
strings = [u"Make public",
u"Keep private"]
actions = [self.engine.set_public_recipient,
self.engine.set_private_recipient]
choose_execute_action(strings, actions)
def _picfile_select(self):
strings = [u"Choose from Gallery",
u"Take new photo",
u"Remove picture"]
actions = [self.to_gallery_mode,
self.engine.take_photo,
self.engine.card.remove_picfile]
if self.engine.card.picfile is not None:
strings = [u"View picture", u"Rename picture"] + strings
actions = [self.engine.show_picfile,
self.engine.rename_picfile] + actions
choose_execute_action(strings, actions)
# --------------------------------------------------------------------
# gallery mode actions
def _gallery_done(self, picfile):
"""
picfile:: None if nothing selected.
"""
if picfile is not None:
self.engine.card.set_picfile(picfile.pn)
self.to_mood_mode()
# --------------------------------------------------------------------
# menu actions
def send_card_cond(self):
if self.engine.is_ready_to_send():
if self.engine.config.get_store_on():
strings = [u"Store card now", u"Do not store yet"]
else:
strings = [u"Send card now", u"Do not send yet"]
actions = [self.to_send_mode, lambda: None]
choose_execute_action(strings, actions)
def edit_recipient(self):
self.without_canvas(self.engine.edit_recipient)
def toggle_debug_mode(self):
self.engine.toggle_debug_on()
self.set_menu_items()
# --------------------------------------------------------------------
# sending
def _send_status(self, tp, text):
if tp == "progress":
self.logo_screen.text = text
self.logo_screen.redraw_text()
elif tp == "ok":
appuifw.note(text, "info")
self.engine.card.clear_temporary()
self.to_filedata_mode()
else: # fail
appuifw.note(text, "error")
self.engine.card.clear_temporary()
self.to_filedata_mode()
def _card_cb(self, field):
# Here we must update the relevant properties of all the
# screens that may be affected, if they do already exist.
# However, only any visible screen may be redrawn.
if self.list_screen is not None:
if field == "mood" or field == "all":
self.list_screen.set_mood(self.engine.card.mood)
if field == "recipient" or field == "all":
self.list_screen.set_recipient(self.engine.card.recipient)
if field == "picfile" or field == "all":
self.list_screen.set_picfile(self.engine.card.picfile)
def clear_ap(self):
self.engine.config.set_apid(False)
appuifw.note(u"AP cleared", "info")
# --------------------------------------------------------------------
# scanning
def set_gps_scan(self, value):
is_on = self.engine.get_gps_scan()
if is_on != value:
self.engine.set_gps_scan(value)
self.set_menu_items()
def set_btprox_scan(self, value):
is_on = self.engine.config.get_btprox_scan()
if is_on != value:
self.engine.config.set_btprox_scan(value)
self.set_menu_items()
def set_store_on(self, value):
is_on = self.engine.config.get_store_on()
if is_on != value:
self.engine.config.set_store_on(value)
self.set_menu_items()
# --------------------------------------------------------------------
# external commands
def ensure_have_valid_sender(self):
"""
Sender info is required, so failure is not an option here.
"""
if self.engine.card.has_valid_sender():
return
def f():
ch = appuifw.selection_list([u"Specify sender manually",
u"Choose from Contacts"])
if ch == 1:
self.engine.select_sender()
elif ch == 0:
self.engine.edit_sender()
if not self.engine.card.has_valid_sender():
raise "sender must be set up to use this application"
self.without_canvas(f)
# --------------------------------------------------------------------
# mode switching
def to_mode(self, mode):
if mode == self.mode:
return
if mode == "filedata" or mode == "send":
screen = self.logo_screen
elif mode == "mood":
screen = self.list_screen
elif mode == "gallery":
screen = self.gallery_screen
else:
raise "assertion failure"
if self.mode:
if self.mode_cleanup:
self.mode_cleanup()
self.mode_cleanup = None
self.mode = mode
self.to_screen(screen)
self.set_menu_items()
def to_screen(self, screen):
if screen is not self.screen:
if self.screen is not None:
self.screen.disactivate()
self.screen = screen
if self.screen is not None:
self.screen.activate()
def set_menu_items(self):
main_menu = []
if self.mode == "filedata":
main_menu.append((u"Edit status", self.to_mood_mode))
if self.mode == "filedata" or self.mode == "mood":
if self.engine.config.get_store_on():
main_menu.append((u"Store without file data", self.send_card_cond))
else:
main_menu.append((u"Send without file data", self.send_card_cond))
if self.engine.get_gps_scan():
toggle_gps_scan = (u"GPS scanning off",
lambda: self.set_gps_scan(False))
else:
toggle_gps_scan = (u"GPS scanning on",
lambda: self.set_gps_scan(True))
if self.engine.config.get_btprox_scan():
toggle_btprox_scan = (u"BT scanning off",
lambda: self.set_btprox_scan(False))
else:
toggle_btprox_scan = (u"BT scanning on",
lambda: self.set_btprox_scan(True))
if self.engine.config.get_store_on():
toggle_store_on = (u"Card sending on",
lambda: self.set_store_on(False))
else:
toggle_store_on = (u"Card storing on",
lambda: self.set_store_on(True))
main_menu.extend([
(u"View GPS", lambda: self.without_canvas(self.engine.show_gps)),
(u"GPS config", self.engine.edit_gps_config),
toggle_gps_scan,
toggle_btprox_scan,
(u"Change access point", self.engine.config.change_apid),
toggle_store_on
])
if self.engine.get_debug_on():
main_menu.extend([
(u"View GSM", lambda: self.without_canvas(self.engine.show_gsm)),
(u"View BT", lambda: self.without_canvas(self.engine.show_btprox)),
(u"Logo screen", lambda: self.to_screen(self.logo_screen)),
(u"List screen", lambda: self.to_screen(self.list_screen)),
(u"Gallery screen", lambda: self.to_screen(self.gallery_screen)),
(u"View log", self.engine.show_log_file),
(u"Choose recipient", lambda: self.without_canvas(self.engine.select_recipient)),
(u"Edit recipient", self.edit_recipient),
(u"Remove recipient", self.engine.remove_recipient),
(u"Choose sender", lambda: self.without_canvas(self.engine.select_sender)),
(u"Edit sender", lambda: self.without_canvas(self.engine.edit_sender)),
(u"Remove sender", self.engine.remove_sender),
(u"Remove context", self.engine.card.clear_context),
(u"Remove access point", self.clear_ap),
(u"Toggle scanning", self.engine.config.toggle_noscan),
(u"Select Camera UID", self.engine.select_camera_uid)
])
main_menu.append((u"Exit Tpytwink", self.abort))
appuifw.app.menu = main_menu
def to_filedata_mode(self):
"""
To avoid surprises to the user, we only acquire when the
acquisition screen is showing, and not at other times.
"""
self.logo_screen.text = u"Waiting for file data"
self.logo_screen.select_action = self.to_mood_mode
self.to_mode("filedata")
self.mode_cleanup = self.engine.stop_observing_filedata
self.engine.start_observing_filedata(self._filedata_done)
def to_mood_mode(self):
self.to_mode("mood")
ut.set_right_softkey_text(u"Back")
def cleanup():
appuifw.app.exit_key_handler = self.abort
ut.set_right_softkey_text(u"Exit")
def done():
self.acquire_new_filedata()
self.list_screen.disactivate_cb = cleanup
appuifw.app.exit_key_handler = done
self.mode_cleanup = cleanup
def to_gallery_mode(self):
self.to_mode("gallery")
appuifw.app.exit_key_handler = lambda: self._gallery_done(None)
ut.set_right_softkey_text(u"Close")
def cleanup():
ut.set_right_softkey_text(u"Exit")
self.mode_cleanup = cleanup
def to_send_mode(self):
self.logo_screen.text = u""
self.logo_screen.select_action = None
self.to_mode("send")
self.engine.send_card(self._send_status)
# --------------------------------------------------------------------
# filedata acquisition
def acquire_new_filedata(self):
self.engine.card.remove_filedata()
self.to_filedata_mode()
def _filedata_done(self):
"""
Called when got the filedata.
"""
if self.engine.is_ready_to_send():
self.to_send_mode()
else:
self.acquire_new_filedata()
# --------------------------------------------------------------------
# general screen callbacks
def redraw_cb(self, area):
"""
The argument is a tuple of the form (tlx, tly, brx, bry),
giving the area to redraw.
"""
#print repr(["REDRAW", area])
if self.canvas is None:
return
if self.image is None:
self.canvas.rectangle(area, fill = 0xffffff)
return
tgtoff = (area[0], area[1])
#print "target %s source %s" % (repr(tgtoff), repr(area))
# Note that the docs are wrong, actually target = (tlx,tly),
# and source = (tlx,tly,brx,bry).
self.canvas.blit(image = self.image,
target = tgtoff,
source = area)
def event_cb(self, event):
#print repr(["EVENT", event])
if event["type"] == appuifw.EEventKey:
code = event["keycode"]
egg_code = self.egg_input.pop()
if code == egg_code:
if len(self.egg_input) == 0:
self.toggle_debug_mode()
self.egg_zero()
return
else:
self.egg_zero()
if self.screen is not None:
ut.allow_attr_error(lambda: self.screen.event_cb(event))
def egg_zero(self):
self.egg_input = ([] + self.egg_list)
self.egg_input.reverse()
def resize_cb(self, sz):
"""
We get one of these events at startup, and one whenever the
canvas is resized. And maybe some spurious ones as well.
"""
#print repr(["RESIZE", sz])
if self.canvas:
self.image = graphics.Image.new(self.canvas.size)
for screen in self.screen_list:
screen.resize(self.image, self.screen == screen)
# --------------------------------------------------------------------
def abort(self):
self.lock.signal()
def loop(self):
self.lock.wait()
def close(self):
self.screen = None
self.logo_screen.close()
self.list_screen.close()
self.gallery_screen.close()
# Kills the canvas (which may be somehow visible even when not
# set as app.body, it seems) if this is the last reference.
# Canvas still has references to self, but not the other way
# around any longer, so it should get freed.
self.canvas = None
if not self.engine.get_debug_on():
# The effect is not immediate, but rather concerns the
# point where execution falls back to the framework.
appuifw.app.set_exit()
appuifw.app.menu = []
appuifw.app.body = None
appuifw.app.exit_key_handler = None
appuifw.app.title = self.old_title
