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class Player():
VOCAL_TRACK = 1
GUITAR_TRACK = 2
BASS_TRACK = 3
PIANO_TRACK =4
DRUM_TRACK = 5
OTHER_TRACK = 6
def __init__(self):
self.playing = False
self.rate = 1.0
self.position = 0.0
self.volume = 1.0
self.currentSong = None
self.playingStateChangedCallback = None
self.playbackVolumeChangedCallback = None
self.tSupported = False
self.tracks = {i+1: True for i in range(6)}
def play(self):
previousState = self.playing
self.playing = True
if previousState != self.playing:
self.playingStateChangedCallback()
def pause(self):
previousState = self.playing
self.playing = False
if previousState != self.playing:
self.playingStateChangedCallback()
def isPlaying(self):
return self.playing
def setPlaybackRate(self, rate):
self.rate = rate
def getPlaybackRate(self):
return self.rate
def setPlaybackPosition(self, position):
print(f"{self} Setting playback position to {position}")
self.position = position
def getPlaybackPosition(self):
print(f"{self} Getting playback position: {self.position}")
return self.position
def setPlaybackVolume(self, volume):
changed = self.volume != volume
self.volume = volume
if changed:
self.playbackVolumeChangedCallback()
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()
def tracksSupported(self):
return self.tSupported
def trackEnabled(self, trackId):
return self.tracks[trackId]
def setTrackEnabled(self, trackId, enable):
self.tracks[trackId] = enable
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