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Test and implement mpris.CanGoPrevious property

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This commit is contained in:
Stein Magnus Jodal 2011-06-20 15:11:11 +03:00
parent 4de7c242b7
commit 70139e0b7b
2 changed files with 31 additions and 2 deletions
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9
mopidy/frontends/mpris.py
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@ -149,8 +149,7 @@ class MprisObject(dbus.service.Object):
'MaximumRate': (1.0, None),
# TODO True if CanControl and backend.playback.track_at_next
'CanGoNext': (False, None),
# TODO True if CanControl and backend.playback.track_at_previous
'CanGoPrevious': (False, None),
'CanGoPrevious': (self.get_CanGoPrevious, None),
'CanPlay': (self.get_CanPlay, None),
'CanPause': (self.get_CanPause, None),
'CanSeek': (self.get_CanSeek, None),
@ -410,6 +409,12 @@ class MprisObject(dbus.service.Object):
def get_Position(self):
return self.backend.playback.time_position.get() * 1000
def get_CanGoPrevious(self):
if not self.get_CanControl():
return False
return (self.backend.playback.cp_track_at_previous.get() !=
self.backend.playback.current_cp_track.get())
def get_CanPlay(self):
if not self.get_CanControl():
return False

24
tests/frontends/mpris/player_interface_test.py
View File

@ -177,6 +177,30 @@ class PlayerInterfaceTest(unittest.TestCase):
result = self.mpris.Get(mpris.PLAYER_IFACE, 'MaximumRate')
self.assert_(result >= 1.0)
def test_can_go_previous_is_true_if_can_control_and_other_previous_track(self):
self.mpris.get_CanControl = lambda *_: True
self.backend.current_playlist.append([Track(uri='a'), Track(uri='b')])
self.backend.playback.play()
self.backend.playback.next()
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanGoPrevious')
self.assertTrue(result)
def test_can_go_previous_is_false_if_previous_track_is_the_same(self):
self.mpris.get_CanControl = lambda *_: True
self.backend.current_playlist.append([Track(uri='a')])
self.backend.playback.repeat = True
self.backend.playback.play()
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanGoPrevious')
self.assertFalse(result)
def test_can_go_previous_is_false_if_can_control_is_false(self):
self.mpris.get_CanControl = lambda *_: False
self.backend.current_playlist.append([Track(uri='a'), Track(uri='b')])
self.backend.playback.play()
self.backend.playback.next()
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanGoPrevious')
self.assertFalse(result)
def test_can_play_is_true_if_can_control_and_current_track(self):
self.mpris.get_CanControl = lambda *_: True
self.backend.current_playlist.append([Track(uri='a')])