class AudiowallItem(Button):
id = NumericProperty(None)
filename = StringProperty(None)
audio = ObjectProperty(None)
title = StringProperty(None)
disabled_bg = ListProperty([1,1,1,0])
background = ListProperty([1,1,1,1])
def __init__(self, **kwargs):
self.audio = Audio(output='alsa',device='pulse')
super(AudiowallItem, self).__init__(**kwargs)
def update_position(self, *largs):
remaining = self.time_format(self.audio.length - self.audio.position)
self.text = "PLAYING\n"+str(remaining)
def on_filename(self, instance, fn):
if(self.filename != ''):
self._load()
def _load(self, *largs):
if(globals._available):
globals._available = False
self.audio.source = self.filename
self.audio.bind(on_loaded=self.on_loaded)
else:
Clock.schedule_once(self._load, 0.1)
def _unload(self, *largs):
self.filename = ''
self.audio.unload()
self.background_color = self.disabled_bg
self.text = ''
self.audio.unbind(on_play=self.on_play)
self.audio.unbind(on_stop=self.on_stop)
def on_loaded(self, *args):
self.text = self.title+"\n"+self.time_format(self.audio.length)
self.background_color = self.background
self.audio.bind(on_play=self.on_play)
self.audio.bind(on_stop=self.on_stop)
globals._available = True
def on_press(self):
if(self.filename != ''):
if self.audio.state == 'play':
self.audio.stop()
else:
self.audio.play()
def on_stop(self, *args):
Clock.unschedule(self.update_position)
self.text = self.title+"\n"+self.time_format(self.audio.length)
self.background_color = self.background
def on_play(self, *args):
Clock.schedule_interval(self.update_position, 1/30.)
self.background_color = (255,0,0,1)
def time_format(self, time):
time *= 100
sec, ms = divmod(time, 100)
min, sec = divmod(sec, 60)
hr, min = divmod(min, 60)
time = "%02i.%02i" % (sec, ms)
if(min > 0):
time = ("%02im " % min) + time
if(hr > 0):
time = ("%02ih " % hr) + time
return time
