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Make voice note playback proximity aware

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1) Play audio through earpiece if placed to ear

2) Stop playing audio if removed from ear

Fixes #6195
// FREEBIE
This commit is contained in:
Moxie Marlinspike 2017-03-20 12:22:26 -07:00
parent 448335e9bc
commit 93e7a626bf
1 changed files with 88 additions and 8 deletions
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96
src/org/thoughtcrime/securesms/audio/AudioSlidePlayer.java
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@ -1,6 +1,10 @@
package org.thoughtcrime.securesms.audio;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Handler;
@ -21,20 +25,24 @@ import org.whispersystems.libsignal.util.guava.Optional;
import java.io.IOException;
import java.lang.ref.WeakReference;
public class AudioSlidePlayer {
public class AudioSlidePlayer implements SensorEventListener {
private static final String TAG = AudioSlidePlayer.class.getSimpleName();
private static @NonNull Optional<AudioSlidePlayer> playing = Optional.absent();
private final @NonNull Context context;
private final @NonNull MasterSecret masterSecret;
private final @NonNull AudioSlide slide;
private final @NonNull Handler progressEventHandler;
private final @NonNull Context context;
private final @NonNull MasterSecret masterSecret;
private final @NonNull AudioSlide slide;
private final @NonNull Handler progressEventHandler;
private final @NonNull AudioManager audioManager;
private final @NonNull SensorManager sensorManager;
private final @NonNull Sensor proximitySensor;
private @NonNull WeakReference<Listener> listener;
private @Nullable MediaPlayer mediaPlayer;
private @Nullable MediaPlayerWrapper mediaPlayer;
private @Nullable AttachmentServer audioAttachmentServer;
private long startTime;
public synchronized static AudioSlidePlayer createFor(@NonNull Context context,
@NonNull MasterSecret masterSecret,
@ -59,18 +67,26 @@ public class AudioSlidePlayer {
this.slide = slide;
this.listener = new WeakReference<>(listener);
this.progressEventHandler = new ProgressEventHandler(this);
this.audioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
this.sensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
this.proximitySensor = sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);
}
public void play(final double progress) throws IOException {
play(progress, false);
}
private void play(final double progress, boolean earpiece) throws IOException {
if (this.mediaPlayer != null) return;
this.mediaPlayer = new MediaPlayer();
this.mediaPlayer = new MediaPlayerWrapper();
this.audioAttachmentServer = new AttachmentServer(context, masterSecret, slide.asAttachment());
this.startTime = System.currentTimeMillis();
audioAttachmentServer.start();
mediaPlayer.setDataSource(context, audioAttachmentServer.getUri());
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setAudioStreamType(earpiece ? AudioManager.STREAM_VOICE_CALL : AudioManager.STREAM_MUSIC);
mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
@ -82,6 +98,7 @@ public class AudioSlidePlayer {
mediaPlayer.seekTo((int) (mediaPlayer.getDuration() * progress));
}
sensorManager.registerListener(AudioSlidePlayer.this, proximitySensor, SensorManager.SENSOR_DELAY_NORMAL);
mediaPlayer.start();
setPlaying(AudioSlidePlayer.this);
@ -103,6 +120,8 @@ public class AudioSlidePlayer {
audioAttachmentServer.stop();
audioAttachmentServer = null;
}
sensorManager.unregisterListener(AudioSlidePlayer.this);
}
notifyOnStop();
@ -124,6 +143,8 @@ public class AudioSlidePlayer {
audioAttachmentServer.stop();
audioAttachmentServer = null;
}
sensorManager.unregisterListener(AudioSlidePlayer.this);
}
notifyOnStop();
@ -142,12 +163,15 @@ public class AudioSlidePlayer {
if (this.mediaPlayer != null) {
this.mediaPlayer.stop();
this.mediaPlayer.release();
}
if (this.audioAttachmentServer != null) {
this.audioAttachmentServer.stop();
}
sensorManager.unregisterListener(AudioSlidePlayer.this);
this.mediaPlayer = null;
this.audioAttachmentServer = null;
}
@ -170,6 +194,7 @@ public class AudioSlidePlayer {
return slide;
}
private Pair<Double, Integer> getProgress() {
if (mediaPlayer == null || mediaPlayer.getCurrentPosition() <= 0 || mediaPlayer.getDuration() <= 0) {
return new Pair<>(0D, 0);
@ -235,6 +260,47 @@ public class AudioSlidePlayer {
}
}
@Override
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() != Sensor.TYPE_PROXIMITY) return;
if (mediaPlayer == null || !mediaPlayer.isPlaying()) return;
int streamType;
if (event.values[0] < 5f && event.values[0] != proximitySensor.getMaximumRange()) {
streamType = AudioManager.STREAM_VOICE_CALL;
} else {
streamType = AudioManager.STREAM_MUSIC;
}
if (streamType == AudioManager.STREAM_VOICE_CALL &&
mediaPlayer.getAudioStreamType() != streamType &&
!audioManager.isWiredHeadsetOn())
{
double position = mediaPlayer.getCurrentPosition();
double duration = mediaPlayer.getDuration();
double progress = position / duration;
stop();
try {
play(progress, true);
} catch (IOException e) {
Log.w(TAG, e);
}
} else if (streamType == AudioManager.STREAM_MUSIC &&
mediaPlayer.getAudioStreamType() != streamType &&
System.currentTimeMillis() - startTime > 500)
{
stop();
notifyOnStop();
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
public interface Listener {
public void onStart();
public void onStop();
@ -263,4 +329,18 @@ public class AudioSlidePlayer {
}
}
private static class MediaPlayerWrapper extends MediaPlayer {
private int streamType;
@Override
public void setAudioStreamType(int streamType) {
this.streamType = streamType;
super.setAudioStreamType(streamType);
}
public int getAudioStreamType() {
return streamType;
}
}
}