Python NowPlayingRender Examples

Example #1

File: player.py Project: Mysingen/dwite

class NowPlaying(object):
	# state definitions
	BUFFERING = 0 # forced pause to give a device's buffers time to fill up
	PLAYING   = 1
	PAUSED    = 2

	item     = None # playable menu item (e.g. an CmAudio object)
	render   = None
	state    = BUFFERING
	start    = 0 # current playback position (in milliseconds) is calculated
	progress = 0 # as the start position plus the progress. position should
	duration = 0 # of course never be greater than the duration.
	
	def __init__(self, item, duration, start=0):
		self.item     = item
		self.duration = duration
		self.start    = start
		self.render = NowPlayingRender()
		self.curry()

	def	enter_state(self, state):
		if state == self.state:
			return

		if state == NowPlaying.BUFFERING:
			if ((self.state != NowPlaying.PLAYING)
			and (self.state != NowPlaying.PAUSED)):
				raise Exception, 'Must enter BUFFERING from PLAYING or PAUSED'
		elif state == NowPlaying.PLAYING:
			if ((self.state != NowPlaying.BUFFERING)
			and (self.state != NowPlaying.PAUSED)):
				raise Exception, 'Must enter PLAYING from BUFFERING or PAUSED'
		elif state == NowPlaying.PAUSED:
			if self.state != NowPlaying.PLAYING:
				raise Exception, 'Must enter PAUSED from PLAYING'
		elif state == NowPlaying.STOPPED:
			pass

		self.state = state

	def set_progress(self, progress):
		self.enter_state(NowPlaying.PLAYING)
		self.progress = progress
		self.render.curry(self.position() / float(self.duration), None)

	def paused(self):
		return self.state == NowPlaying.PAUSED
	
	def position(self):
		return self.start + self.progress

	def curry(self):
		if type(self.item) == Link:
			item = self.item.target
		else:
			item = self.item
		self.render.curry(self.position() / float(self.duration), item)

Example #2

File: player.py Project: Mysingen/dwite

	def __init__(self, item, duration, start=0):
		self.item     = item
		self.duration = duration
		self.start    = start
		self.render = NowPlayingRender()
		self.curry()