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class Player():
STOPPED = 0
PLAYING = 1
PAUSED = 2
def __init__(self):
self.state = Player.STOPPED
self.rate = 1.0
self.position = 0.0
self.volume = 1.0
self.currentSong = None
self.playingStateChangedCallback = None
self.playbackVolumeChangedCallback = None
def play(self):
previousState = self.state
self.state = Player.PLAYING
if previousState != Player.PLAYING:
self.playingStateChangedCallback()
def stop(self):
previousState = self.state
self.state = Player.STOPPED
if previousState != Player.STOPPED:
self.playingStateChangedCallback()
def pause(self):
previousState = self.state
self.state = Player.PAUSED
if previousState != Player.PAUSED:
self.playingStateChangedCallback()
def isPlaying(self):
return self.state == Player.PLAYING
def setPlaybackRate(self, rate):
self.rate = rate
def getPlaybackRate(self):
return self.rate
def setPlaybackPosition(self, position):
self.position = position
def getPlaybackPosition(self):
return self.position
def setPlaybackVolume(self, volume):
self.volume = volume
def getPlaybackVolume(self):
return self.volume
def setCurrentSong(self, path):
self.currentSong = path
def setPlayingStateChangedCallback(self, callback):
self.playingStateChangedCallback = callback
def simulatePlayingStateChanged(self):
self.playingStateChangedCallback()
def setPlaybackVolumeChangedCallback(self, callback):
self.playbackVolumeChangedCallback = callback
def simulatePlaybackVolumeChanged(self):
self.playbackVolumeChangedCallback()
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