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Test and implement mpris.CanPlay property

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This commit is contained in:
Stein Magnus Jodal 2011-06-20 14:58:29 +03:00
parent 97111d710f
commit 4013a2ec9a
2 changed files with 26 additions and 2 deletions
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9
mopidy/frontends/mpris.py
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@ -151,8 +151,7 @@ class MprisObject(dbus.service.Object):
'CanGoNext': (False, None),
# TODO True if CanControl and backend.playback.track_at_previous
'CanGoPrevious': (False, None),
# TODO True if CanControl and backend.playback.current_track
'CanPlay': (False, None),
'CanPlay': (self.get_CanPlay, None),
'CanPause': (self.get_CanPause, None),
'CanSeek': (self.get_CanSeek, None),
'CanControl': (self.get_CanControl, None),
@ -408,6 +407,12 @@ class MprisObject(dbus.service.Object):
def get_Position(self):
return self.backend.playback.time_position.get() * 1000
def get_CanPlay(self):
if not self.get_CanControl():
return False
return (self.backend.playback.current_track.get() is not None
or self.backend.playback.track_at_next.get() is not None)
def get_CanPause(self):
if not self.get_CanControl():
return False

19
tests/frontends/mpris/player_interface_test.py
View File

@ -177,6 +177,25 @@ class PlayerInterfaceTest(unittest.TestCase):
result = self.mpris.Get(mpris.PLAYER_IFACE, 'MaximumRate')
self.assert_(result >= 1.0)
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')])
self.backend.playback.play()
self.assertTrue(self.backend.playback.current_track.get())
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanPlay')
self.assertTrue(result)
def test_can_play_is_false_if_no_current_track(self):
self.mpris.get_CanControl = lambda *_: True
self.assertFalse(self.backend.playback.current_track.get())
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanPlay')
self.assertFalse(result)
def test_can_play_if_false_if_can_control_is_false(self):
self.mpris.get_CanControl = lambda *_: False
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanPlay')
self.assertFalse(result)
def test_can_pause_is_true_if_can_control_and_track_can_be_paused(self):
self.mpris.get_CanControl = lambda *_: True
result = self.mpris.Get(mpris.PLAYER_IFACE, 'CanPause')