def _handle_play_command(self, target: Optional[str]) -> None:
if target is None:
if self._current_playlist is not None and self._volume > 0:
try:
assert self._orig_volume is not None
_ba.mac_music_app_stop()
_ba.mac_music_app_set_volume(self._orig_volume)
except Exception as exc:
print('Error stopping iTunes music:', exc)
self._current_playlist = None
else:
# If we've got something playing with positive
# volume, stop it.
if self._current_playlist is not None and self._volume > 0:
try:
assert self._orig_volume is not None
_ba.mac_music_app_stop()
_ba.mac_music_app_set_volume(self._orig_volume)
except Exception as exc:
print('Error stopping iTunes music:', exc)
# Set our playlist and play it if our volume is up.
self._current_playlist = target
if self._volume > 0:
self._orig_volume = (_ba.mac_music_app_get_volume())
self._update_mac_music_app_volume()
self._play_current_playlist()
def set_volume(self, volume: float) -> None:
"""Set volume to a value between 0 and 1."""
old_volume = self._volume
self._volume = volume
# If we've got nothing we're supposed to be playing,
# don't touch itunes/music.
if self._current_playlist is None:
return
# If volume is going to zero, stop actually playing
# but don't clear playlist.
if old_volume > 0.0 and volume == 0.0:
try:
assert self._orig_volume is not None
_ba.mac_music_app_stop()
_ba.mac_music_app_set_volume(self._orig_volume)
except Exception as exc:
print('Error stopping iTunes music:', exc)
elif self._volume > 0:
# If volume was zero, store pre-playing volume and start
# playing.
if old_volume == 0.0:
self._orig_volume = _ba.mac_music_app_get_volume()
self._update_mac_music_app_volume()
if old_volume == 0.0:
self._play_current_playlist()
def _handle_die_command(self) -> None:
# Only stop if we've actually played something
# (we don't want to kill music the user has playing).
if self._current_playlist is not None and self._volume > 0:
try:
assert self._orig_volume is not None
_ba.mac_music_app_stop()
_ba.mac_music_app_set_volume(self._orig_volume)
except Exception as exc:
print('Error stopping iTunes music:', exc)
def _update_mac_music_app_volume(self) -> None:
_ba.mac_music_app_set_volume(
max(0, min(100, int(100.0 * self._volume))))
