class NightstandApp(App):
def __init__(self):
super(NightstandApp, self).__init__()
with open('configuration.yaml', 'r') as config:
data = config.read()
self.configuration = yaml.load(data)
self.player = AudioPlayer()
self.current_uid = None
self.reader = RfidReader()
def _keyboard_closed(self):
self._keyboard.unbind(on_key_down=self._on_keyboard_down)
self._keyboard = None
def _on_keyboard_down(self, keyboard, keycode, text, modifiers):
if keycode[1] == 'a':
self.message_received('1234', 'figurine_added')
elif keycode[1] == 'r':
self.message_received('1234', 'figurine_removed')
return True
def build(self):
self.main = Main()
self.main.manager.state = 'main'
self.main.manager.transition = NoTransition()
self.main.ids.volume_slider.bind(value=self.on_volume_slider_change)
self.main.ids.audio_list.data_directory = self.configuration[
'data_directory']
self.main.ids.audio_list.audio_directory = os.path.join(
self.configuration['data_directory'], 'audio')
self.main.ids.audio_list.show_all()
start_new_thread(self.update_seek_slider, ())
self.initialize_debug_keyboard()
return self.main
def initialize_debug_keyboard(self):
if not sys.platform.startswith('linux'):
self._keyboard = Window.request_keyboard(self._keyboard_closed,
self)
self._keyboard.bind(on_key_down=self._on_keyboard_down)
def on_volume_slider_change(self, instance, value):
self.player.set_volume(value)
def seek_to_user(self):
new_position = self.main.ids.seek_slider.value
self.player.seek(new_position)
def show_playing_screen(self, restart_playback=True):
self.root.manager.current = 'playing'
self.root.manager.state = 'playing'
if restart_playback:
self.player.play(self.figurine.get_audio_path())
def show_create_figurine_screen(self):
self.root.manager.current = 'create_figurine'
def show_main_screen(self):
self.root.manager.current = 'main'
self.root.manager.state = 'main'
self.current_uid = None
def update_seek_slider(self):
while True:
(position, length) = self.player.seek_information()
self.main.ids.seek_slider.range = (0, length)
self.main.ids.seek_slider.value = position
self.main.ids.seek_time.text = str(self.player.remaining())
if self.player.is_playing():
self.main.ids.play_pause_button.text = 'Pause'
self.main.ids.playing_label.text = 'Playing..'
self.main.ids.audio_name.text = os.path.basename(
self.figurine.get_audio_path())
self.main.ids.seek_slider.opacity = 100
self.main.ids.seek_time.opacity = 100
else:
if position >= 0.99 * length:
self.main.ids.play_pause_button.text = 'Replay'
self.main.ids.playing_label.text = ''
self.main.ids.seek_slider.opacity = 0
self.main.ids.seek_time.opacity = 0
else:
self.main.ids.play_pause_button.text = 'Play'
self.main.ids.playing_label.text = ''
self.main.ids.seek_slider.opacity = 100
self.main.ids.seek_time.opacity = 100
time.sleep(1)
def toggle_pause(self):
if self.player is not None:
if self.player.is_playing():
self.player.pause()
else:
(position, length) = self.player.seek_information()
if position >= 0.99 * length:
self.player.replay()
else:
self.player.resume()
def save_figurine(self):
data = self.main.ids.audio_list.selection
selected_audio_path = os.path.join(data['directory'], data['name'])
self.figurine = Figurine(self.current_uid or self.requested_uid,
self.configuration['data_directory'])
self.figurine.save(selected_audio_path)
self.show_playing_screen()
self.initialize_debug_keyboard()
def delete_figurine(self):
if self.player is not None and self.player.is_playing():
self.player.pause()
self.figurine.delete()
self.show_main_screen()
def message_received(self, uid, action):
print uid + ' / ' + action
if action == 'figurine_added':
if self.current_uid == uid:
self.show_playing_screen(False)
self.player.resume()
else:
self.figurine = Figurine(uid,
self.configuration['data_directory'])
if self.figurine.exists():
self.show_playing_screen()
else:
self.show_create_figurine_screen()
self.requested_uid = uid
# We must not set the current_uid here, as otherwise the cancel button on the 'Add figurine' screen does not work
return
self.current_uid = uid
elif action == 'figurine_removed':
self.player.pause()
self.show_main_screen()
def check_rfid_reader(self, delta_time):
self.reader.read_rfid(self.message_received)
def shutdown(self):
os.system('sudo poweroff')
App.get_running_app().stop()
