/**
* Play the sound file currently selected in the file list. If there is no selection in the list,
* or if the selected file is not a sound file, do nothing.
*/
private void play() {
String filename = (String) fileList.getSelectedValue();
if (filename == null) { // nothing selected
return;
}
// slider.setValue(0);
boolean successful = player.play(new File(AUDIO_DIR, filename));
if (successful) {
showInfo(filename + " (" + player.getDuration() + " seconds)");
} else {
showInfo("Could not play file - unknown format");
}
}
/** Handle a request to play music */
private void handlePlayRequest() {
LogHelper.d(TAG, "handlePlayRequest: mState=" + mPlayback.getState());
mDelayedStopHandler.removeCallbacksAndMessages(null);
if (!mServiceStarted) {
LogHelper.v(TAG, "Starting service");
// The MusicService needs to keep running even after the calling MediaBrowser
// is disconnected. Call startService(Intent) and then stopSelf(..) when we no longer
// need to play media.
startService(new Intent(getApplicationContext(), MusicService.class));
mServiceStarted = true;
}
if (!mSession.isActive()) {
mSession.setActive(true);
}
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
updateMetadata();
mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue));
}
}
/**
* Helper to switch to a different Playback instance
*
* @param playback switch to this playback
*/
private void switchToPlayer(Playback playback, boolean resumePlaying) {
if (playback == null) {
throw new IllegalArgumentException("Playback cannot be null");
}
// suspend the current one.
int oldState = mPlayback.getState();
int pos = mPlayback.getCurrentStreamPosition();
String currentMediaId = mPlayback.getCurrentMediaId();
LogHelper.d(TAG, "Current position from " + playback + " is ", pos);
mPlayback.stop(false);
playback.setCallback(this);
playback.setCurrentStreamPosition(pos < 0 ? 0 : pos);
playback.setCurrentMediaId(currentMediaId);
playback.start();
// finally swap the instance
mPlayback = playback;
switch (oldState) {
case PlaybackState.STATE_BUFFERING:
case PlaybackState.STATE_CONNECTING:
case PlaybackState.STATE_PAUSED:
mPlayback.pause();
break;
case PlaybackState.STATE_PLAYING:
if (resumePlaying && QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue));
} else if (!resumePlaying) {
mPlayback.pause();
} else {
mPlayback.stop(true);
}
break;
case PlaybackState.STATE_NONE:
break;
default:
LogHelper.d(TAG, "Default called. Old state is ", oldState);
}
}
