Merge "Grab audio focus when listening to voicemail." into mnc-dev (1905d8f3) · Commits · e / os / android_packages_apps_Dialer

src/com/android/dialer/voicemail/VoicemailPlaybackPresenter.java

+36 −1

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.dialer.voicemail;
		import android.content.Context;
		import android.database.ContentObserver;
		import android.media.AudioManager;
		import android.media.AudioManager.OnAudioFocusChangeListener;
		import android.media.MediaPlayer;
		import android.net.Uri;
		import android.os.AsyncTask;
		@@ -59,7 +60,7 @@ import javax.annotation.concurrent.ThreadSafe;
		*/
		@NotThreadSafe
		@VisibleForTesting
		public class VoicemailPlaybackPresenter {
		public class VoicemailPlaybackPresenter implements OnAudioFocusChangeListener {
		/** The stream used to playback voicemail. */
		private static final int PLAYBACK_STREAM = AudioManager.STREAM_VOICE_CALL;

		@@ -172,6 +173,7 @@ public class VoicemailPlaybackPresenter {
		private AsyncTask<Void, ?, ?> mPrepareTask;
		private int mPosition;
		private boolean mPlaying;
		private AudioManager mAudioManager;

		public VoicemailPlaybackPresenter(PlaybackView view, MediaPlayerProxy player,
		Uri voicemailUri, ScheduledExecutorService executorService,
		@@ -482,6 +484,15 @@ public class VoicemailPlaybackPresenter {
		mPlayer.seekTo(startPosition);
		mView.setClipPosition(startPosition, duration);
		try {
		// Grab audio focus here
		int result = getAudioManager().requestAudioFocus(
		VoicemailPlaybackPresenter.this,
		PLAYBACK_STREAM,
		AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);

		if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
		throw new RejectedExecutionException("Could not capture audio focus.");
		}
		// Can throw RejectedExecutionException
		mPlayer.start();
		setPositionAndPlayingStatus(mPlayer.getCurrentPosition(), true);
		@@ -504,6 +515,29 @@ public class VoicemailPlaybackPresenter {
		}
		}

		private AudioManager getAudioManager() {
		if (mAudioManager == null) {
		mAudioManager = (AudioManager)
		mView.getDataSourceContext().getSystemService(Context.AUDIO_SERVICE);
		}
		return mAudioManager;
		}

		@Override
		public void onAudioFocusChange(int focusChange) {
		boolean lostFocus = focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT \|\|
		focusChange == AudioManager.AUDIOFOCUS_LOSS;
		// Note: the below logic is the same as in {@code StartStopButtonListener}.
		if (mPlayer.isPlaying() && lostFocus) {
		setPositionAndPlayingStatus(mPlayer.getCurrentPosition(), false);
		stopPlaybackAtPosition(mPlayer.getCurrentPosition(), mDuration.get());
		} else if (!mPlayer.isPlaying() && focusChange == AudioManager.AUDIOFOCUS_GAIN) {
		setPositionAndPlayingStatus(mPosition, true);
		postSuccessfullyFetchedContent();
		}
		}


		private void resetPrepareStartPlaying(final int clipPositionInMillis) {
		if (mPrepareTask != null) {
		mPrepareTask.cancel(false);
		@@ -525,6 +559,7 @@ public class VoicemailPlaybackPresenter {
		}

		private void stopPlaybackAtPosition(int clipPosition, int duration) {
		getAudioManager().abandonAudioFocus(this);
		mPositionUpdater.stopUpdating();
		mView.playbackStopped();
		if (mWakeLock.isHeld()) {