loliball/media
1
0
Fork 0
mirror of https://github.com/androidx/media.git synced 2025-05-12 18:19:50 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use onEvents in MediaSessionConnector to avoid multiple updates.

Browse Source 
#exofixit

PiperOrigin-RevId: 344065556
This commit is contained in:
bachinger 2020-11-24 16:37:45 +00:00 committed by Andrew Lewis
parent c17d1091f3
commit 58e01671e1
1 changed files with 57 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

108
extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/MediaSessionConnector.java
View File

@ -15,6 +15,13 @@
*/ */
package com.google.android.exoplayer2.ext.mediasession; package com.google.android.exoplayer2.ext.mediasession;
import static com.google.android.exoplayer2.Player.EVENT_IS_PLAYING_CHANGED;
import static com.google.android.exoplayer2.Player.EVENT_PLAYBACK_PARAMETERS_CHANGED;
import static com.google.android.exoplayer2.Player.EVENT_PLAYBACK_STATE_CHANGED;
import static com.google.android.exoplayer2.Player.EVENT_PLAY_WHEN_READY_CHANGED;
import static com.google.android.exoplayer2.Player.EVENT_REPEAT_MODE_CHANGED;
import static com.google.android.exoplayer2.Player.EVENT_SHUFFLE_MODE_ENABLED_CHANGED;
import android.content.Intent; import android.content.Intent;
import android.graphics.Bitmap; import android.graphics.Bitmap;
import android.net.Uri; import android.net.Uri;
@ -38,7 +45,6 @@ import com.google.android.exoplayer2.ControlDispatcher;
import com.google.android.exoplayer2.DefaultControlDispatcher; import com.google.android.exoplayer2.DefaultControlDispatcher;
import com.google.android.exoplayer2.ExoPlaybackException; import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayerLibraryInfo; import com.google.android.exoplayer2.ExoPlayerLibraryInfo;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player; import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.Timeline; import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.util.Assertions; import com.google.android.exoplayer2.util.Assertions;
@ -1074,70 +1080,60 @@ public final class MediaSessionConnector {
// Player.EventListener implementation. // Player.EventListener implementation.
@Override @Override
public void onTimelineChanged(Timeline timeline, @Player.TimelineChangeReason int reason) { public void onEvents(Player player, Player.Events events) {
Player player = Assertions.checkNotNull(MediaSessionConnector.this.player); boolean invalidatePlaybackState = false;
int windowCount = player.getCurrentTimeline().getWindowCount(); boolean invalidateMetadata = false;
int windowIndex = player.getCurrentWindowIndex(); if (events.contains(Player.EVENT_POSITION_DISCONTINUITY)) {
if (queueNavigator != null) {
queueNavigator.onTimelineChanged(player);
invalidateMediaSessionPlaybackState();
} else if (currentWindowCount != windowCount || currentWindowIndex != windowIndex) {
// active queue item and queue navigation actions may need to be updated
invalidateMediaSessionPlaybackState();
}
currentWindowCount = windowCount;
currentWindowIndex = windowIndex;
invalidateMediaSessionMetadata();
}
@Override
public void onPlaybackStateChanged(@Player.State int playbackState) {
invalidateMediaSessionPlaybackState();
}
@Override
public void onPlayWhenReadyChanged(
boolean playWhenReady, @Player.PlayWhenReadyChangeReason int reason) {
invalidateMediaSessionPlaybackState();
}
@Override
public void onIsPlayingChanged(boolean isPlaying) {
invalidateMediaSessionPlaybackState();
}
@Override
public void onRepeatModeChanged(@Player.RepeatMode int repeatMode) {
invalidateMediaSessionPlaybackState();
}
@Override
public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {
invalidateMediaSessionPlaybackState();
invalidateMediaSessionQueue();
}
@Override
public void onPositionDiscontinuity(@Player.DiscontinuityReason int reason) {
Player player = Assertions.checkNotNull(MediaSessionConnector.this.player);
if (currentWindowIndex != player.getCurrentWindowIndex()) { if (currentWindowIndex != player.getCurrentWindowIndex()) {
if (queueNavigator != null) { if (queueNavigator != null) {
queueNavigator.onCurrentWindowIndexChanged(player); queueNavigator.onCurrentWindowIndexChanged(player);
} }
currentWindowIndex = player.getCurrentWindowIndex(); invalidateMetadata = true;
// Update playback state after queueNavigator.onCurrentWindowIndexChanged has been called
// and before updating metadata.
invalidateMediaSessionPlaybackState();
invalidateMediaSessionMetadata();
return;
} }
invalidateMediaSessionPlaybackState(); invalidatePlaybackState = true;
} }
@Override if (events.contains(Player.EVENT_TIMELINE_CHANGED)) {
public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) { int windowCount = player.getCurrentTimeline().getWindowCount();
int windowIndex = player.getCurrentWindowIndex();
if (queueNavigator != null) {
queueNavigator.onTimelineChanged(player);
invalidatePlaybackState = true;
} else if (currentWindowCount != windowCount || currentWindowIndex != windowIndex) {
// active queue item and queue navigation actions may need to be updated
invalidatePlaybackState = true;
}
currentWindowCount = windowCount;
invalidateMetadata = true;
}
// Update currentWindowIndex after comparisons above.
currentWindowIndex = player.getCurrentWindowIndex();
if (events.containsAny(
EVENT_PLAYBACK_STATE_CHANGED,
EVENT_PLAY_WHEN_READY_CHANGED,
EVENT_IS_PLAYING_CHANGED,
EVENT_REPEAT_MODE_CHANGED,
EVENT_PLAYBACK_PARAMETERS_CHANGED)) {
invalidatePlaybackState = true;
}
// The queue needs to be updated by the queue navigator first. The queue navigator also
// delivers the active queue item that is used to update the playback state.
if (events.containsAny(EVENT_SHUFFLE_MODE_ENABLED_CHANGED)) {
invalidateMediaSessionQueue();
invalidatePlaybackState = true;
}
// Invalidate the playback state before invalidating metadata because the active queue item of
// the session playback state needs to be updated before the MediaMetadataProvider uses it.
if (invalidatePlaybackState) {
invalidateMediaSessionPlaybackState(); invalidateMediaSessionPlaybackState();
} }
if (invalidateMetadata) {
invalidateMediaSessionMetadata();
}
}
// MediaSessionCompat.Callback implementation. // MediaSessionCompat.Callback implementation.