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Code Issues Releases Wiki Activity

Copy the ref to MpriMprisPlayer since the field can become null

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Create a local copy of the reference, otherwise other fields can set the
field to null while the function is running and cause a NPE.
This commit is contained in:
Albert Vaca Cintora
2023-06-27 02:26:10 +02:00
parent a29aeaad92
commit a46fa23419
1 changed files with 38 additions and 37 deletions
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75
src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisMediaSession.java
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@@ -168,12 +168,13 @@ public class MprisMediaSession implements
* Prefers playing devices/mpris players, but tries to keep displaying the same * Prefers playing devices/mpris players, but tries to keep displaying the same
* player and device, while possible. * player and device, while possible.
*/ */
private void updateCurrentPlayer() { private MprisPlugin.MprisPlayer updateCurrentPlayer() {
Pair<Device, MprisPlugin.MprisPlayer> player = findPlayer(); Pair<Device, MprisPlugin.MprisPlayer> player = findPlayer();
//Update the last-displayed device and player //Update the last-displayed device and player
notificationDevice = player.first == null ? null : player.first.getDeviceId(); notificationDevice = player.first == null ? null : player.first.getDeviceId();
notificationPlayer = player.second; notificationPlayer = player.second;
return notificationPlayer;
} }
private Pair<Device, MprisPlugin.MprisPlayer> findPlayer() { private Pair<Device, MprisPlugin.MprisPlayer> findPlayer() {
@@ -273,10 +274,10 @@ public class MprisMediaSession implements
} }
//Make sure our information is up-to-date //Make sure our information is up-to-date
updateCurrentPlayer(); MprisPlugin.MprisPlayer currentPlayer = updateCurrentPlayer();
//If the player disappeared (and no other playing one found), just remove the notification //If the player disappeared (and no other playing one found), just remove the notification
if (notificationPlayer == null) { if (currentPlayer == null) {
closeMediaNotification(); closeMediaNotification();
return; return;
} }
@@ -285,20 +286,20 @@ public class MprisMediaSession implements
MediaMetadataCompat.Builder metadata = new MediaMetadataCompat.Builder(); MediaMetadataCompat.Builder metadata = new MediaMetadataCompat.Builder();
metadata.putString(MediaMetadataCompat.METADATA_KEY_TITLE, notificationPlayer.getTitle()); metadata.putString(MediaMetadataCompat.METADATA_KEY_TITLE, currentPlayer.getTitle());
if (!notificationPlayer.getArtist().isEmpty()) { if (!currentPlayer.getArtist().isEmpty()) {
metadata.putString(MediaMetadataCompat.METADATA_KEY_AUTHOR, notificationPlayer.getArtist()); metadata.putString(MediaMetadataCompat.METADATA_KEY_AUTHOR, currentPlayer.getArtist());
metadata.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, notificationPlayer.getArtist()); metadata.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, currentPlayer.getArtist());
} }
if (!notificationPlayer.getAlbum().isEmpty()) { if (!currentPlayer.getAlbum().isEmpty()) {
metadata.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, notificationPlayer.getAlbum()); metadata.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, currentPlayer.getAlbum());
} }
if (notificationPlayer.getLength() > 0) { if (currentPlayer.getLength() > 0) {
metadata.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, notificationPlayer.getLength()); metadata.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, currentPlayer.getLength());
} }
Bitmap albumArt = notificationPlayer.getAlbumArt(); Bitmap albumArt = currentPlayer.getAlbumArt();
if (albumArt != null) { if (albumArt != null) {
metadata.putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, albumArt); metadata.putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, albumArt);
} }
@@ -306,17 +307,17 @@ public class MprisMediaSession implements
mediaSession.setMetadata(metadata.build()); mediaSession.setMetadata(metadata.build());
PlaybackStateCompat.Builder playbackState = new PlaybackStateCompat.Builder(); PlaybackStateCompat.Builder playbackState = new PlaybackStateCompat.Builder();
if (notificationPlayer.isPlaying()) { if (currentPlayer.isPlaying()) {
playbackState.setState(PlaybackStateCompat.STATE_PLAYING, notificationPlayer.getPosition(), 1.0f); playbackState.setState(PlaybackStateCompat.STATE_PLAYING, currentPlayer.getPosition(), 1.0f);
} else { } else {
playbackState.setState(PlaybackStateCompat.STATE_PAUSED, notificationPlayer.getPosition(), 0.0f); playbackState.setState(PlaybackStateCompat.STATE_PAUSED, currentPlayer.getPosition(), 0.0f);
} }
//Create all actions (previous/play/pause/next) //Create all actions (previous/play/pause/next)
Intent iPlay = new Intent(context, MprisMediaNotificationReceiver.class); Intent iPlay = new Intent(context, MprisMediaNotificationReceiver.class);
iPlay.setAction(MprisMediaNotificationReceiver.ACTION_PLAY); iPlay.setAction(MprisMediaNotificationReceiver.ACTION_PLAY);
iPlay.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice); iPlay.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice);
iPlay.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, notificationPlayer.getPlayerName()); iPlay.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, currentPlayer.getPlayerName());
PendingIntent piPlay = PendingIntent.getBroadcast(context, 0, iPlay, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE); PendingIntent piPlay = PendingIntent.getBroadcast(context, 0, iPlay, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
NotificationCompat.Action.Builder aPlay = new NotificationCompat.Action.Builder( NotificationCompat.Action.Builder aPlay = new NotificationCompat.Action.Builder(
R.drawable.ic_play_white, context.getString(R.string.mpris_play), piPlay); R.drawable.ic_play_white, context.getString(R.string.mpris_play), piPlay);
@@ -324,7 +325,7 @@ public class MprisMediaSession implements
Intent iPause = new Intent(context, MprisMediaNotificationReceiver.class); Intent iPause = new Intent(context, MprisMediaNotificationReceiver.class);
iPause.setAction(MprisMediaNotificationReceiver.ACTION_PAUSE); iPause.setAction(MprisMediaNotificationReceiver.ACTION_PAUSE);
iPause.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice); iPause.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice);
iPause.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, notificationPlayer.getPlayerName()); iPause.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, currentPlayer.getPlayerName());
PendingIntent piPause = PendingIntent.getBroadcast(context, 0, iPause, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE); PendingIntent piPause = PendingIntent.getBroadcast(context, 0, iPause, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
NotificationCompat.Action.Builder aPause = new NotificationCompat.Action.Builder( NotificationCompat.Action.Builder aPause = new NotificationCompat.Action.Builder(
R.drawable.ic_pause_white, context.getString(R.string.mpris_pause), piPause); R.drawable.ic_pause_white, context.getString(R.string.mpris_pause), piPause);
@@ -332,7 +333,7 @@ public class MprisMediaSession implements
Intent iPrevious = new Intent(context, MprisMediaNotificationReceiver.class); Intent iPrevious = new Intent(context, MprisMediaNotificationReceiver.class);
iPrevious.setAction(MprisMediaNotificationReceiver.ACTION_PREVIOUS); iPrevious.setAction(MprisMediaNotificationReceiver.ACTION_PREVIOUS);
iPrevious.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice); iPrevious.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice);
iPrevious.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, notificationPlayer.getPlayerName()); iPrevious.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, currentPlayer.getPlayerName());
PendingIntent piPrevious = PendingIntent.getBroadcast(context, 0, iPrevious, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE); PendingIntent piPrevious = PendingIntent.getBroadcast(context, 0, iPrevious, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
NotificationCompat.Action.Builder aPrevious = new NotificationCompat.Action.Builder( NotificationCompat.Action.Builder aPrevious = new NotificationCompat.Action.Builder(
R.drawable.ic_previous_white, context.getString(R.string.mpris_previous), piPrevious); R.drawable.ic_previous_white, context.getString(R.string.mpris_previous), piPrevious);
@@ -340,14 +341,14 @@ public class MprisMediaSession implements
Intent iNext = new Intent(context, MprisMediaNotificationReceiver.class); Intent iNext = new Intent(context, MprisMediaNotificationReceiver.class);
iNext.setAction(MprisMediaNotificationReceiver.ACTION_NEXT); iNext.setAction(MprisMediaNotificationReceiver.ACTION_NEXT);
iNext.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice); iNext.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice);
iNext.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, notificationPlayer.getPlayerName()); iNext.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, currentPlayer.getPlayerName());
PendingIntent piNext = PendingIntent.getBroadcast(context, 0, iNext, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE); PendingIntent piNext = PendingIntent.getBroadcast(context, 0, iNext, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
NotificationCompat.Action.Builder aNext = new NotificationCompat.Action.Builder( NotificationCompat.Action.Builder aNext = new NotificationCompat.Action.Builder(
R.drawable.ic_next_white, context.getString(R.string.mpris_next), piNext); R.drawable.ic_next_white, context.getString(R.string.mpris_next), piNext);
Intent iOpenActivity = new Intent(context, MprisActivity.class); Intent iOpenActivity = new Intent(context, MprisActivity.class);
iOpenActivity.putExtra("deviceId", notificationDevice); iOpenActivity.putExtra("deviceId", notificationDevice);
iOpenActivity.putExtra("player", notificationPlayer.getPlayerName()); iOpenActivity.putExtra("player", currentPlayer.getPlayerName());
PendingIntent piOpenActivity = TaskStackBuilder.create(context) PendingIntent piOpenActivity = TaskStackBuilder.create(context)
.addNextIntentWithParentStack(iOpenActivity) .addNextIntentWithParentStack(iOpenActivity)
@@ -364,28 +365,28 @@ public class MprisMediaSession implements
.setVisibility(androidx.core.app.NotificationCompat.VISIBILITY_PUBLIC) .setVisibility(androidx.core.app.NotificationCompat.VISIBILITY_PUBLIC)
.setSubText(KdeConnect.getInstance().getDevice(notificationDevice).getName()); .setSubText(KdeConnect.getInstance().getDevice(notificationDevice).getName());
notification.setContentTitle(notificationPlayer.getTitle()); notification.setContentTitle(currentPlayer.getTitle());
//Only set the notification body text if we have an author and/or album //Only set the notification body text if we have an author and/or album
if (!notificationPlayer.getArtist().isEmpty() && !notificationPlayer.getAlbum().isEmpty()) { if (!currentPlayer.getArtist().isEmpty() && !currentPlayer.getAlbum().isEmpty()) {
notification.setContentText(notificationPlayer.getArtist() + " - " + notificationPlayer.getAlbum() + " (" + notificationPlayer.getPlayerName() + ")"); notification.setContentText(currentPlayer.getArtist() + " - " + currentPlayer.getAlbum() + " (" + currentPlayer.getPlayerName() + ")");
} else if (!notificationPlayer.getArtist().isEmpty()) { } else if (!currentPlayer.getArtist().isEmpty()) {
notification.setContentText(notificationPlayer.getArtist() + " (" + notificationPlayer.getPlayerName() + ")"); notification.setContentText(currentPlayer.getArtist() + " (" + currentPlayer.getPlayerName() + ")");
} else if (!notificationPlayer.getAlbum().isEmpty()) { } else if (!currentPlayer.getAlbum().isEmpty()) {
notification.setContentText(notificationPlayer.getAlbum() + " (" + notificationPlayer.getPlayerName() + ")"); notification.setContentText(currentPlayer.getAlbum() + " (" + currentPlayer.getPlayerName() + ")");
} else { } else {
notification.setContentText(notificationPlayer.getPlayerName()); notification.setContentText(currentPlayer.getPlayerName());
} }
if (albumArt != null) { if (albumArt != null) {
notification.setLargeIcon(albumArt); notification.setLargeIcon(albumArt);
} }
if (!notificationPlayer.isPlaying()) { if (!currentPlayer.isPlaying()) {
Intent iCloseNotification = new Intent(context, MprisMediaNotificationReceiver.class); Intent iCloseNotification = new Intent(context, MprisMediaNotificationReceiver.class);
iCloseNotification.setAction(MprisMediaNotificationReceiver.ACTION_CLOSE_NOTIFICATION); iCloseNotification.setAction(MprisMediaNotificationReceiver.ACTION_CLOSE_NOTIFICATION);
iCloseNotification.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice); iCloseNotification.putExtra(MprisMediaNotificationReceiver.EXTRA_DEVICE_ID, notificationDevice);
iCloseNotification.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, notificationPlayer.getPlayerName()); iCloseNotification.putExtra(MprisMediaNotificationReceiver.EXTRA_MPRIS_PLAYER, currentPlayer.getPlayerName());
PendingIntent piCloseNotification = PendingIntent.getBroadcast(context, 0, iCloseNotification, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE); PendingIntent piCloseNotification = PendingIntent.getBroadcast(context, 0, iCloseNotification, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
notification.setDeleteIntent(piCloseNotification); notification.setDeleteIntent(piCloseNotification);
} }
@@ -393,37 +394,37 @@ public class MprisMediaSession implements
//Add media control actions //Add media control actions
int numActions = 0; int numActions = 0;
long playbackActions = 0; long playbackActions = 0;
if (notificationPlayer.isGoPreviousAllowed()) { if (currentPlayer.isGoPreviousAllowed()) {
notification.addAction(aPrevious.build()); notification.addAction(aPrevious.build());
playbackActions |= PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS; playbackActions |= PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS;
++numActions; ++numActions;
} }
if (notificationPlayer.isPlaying() && notificationPlayer.isPauseAllowed()) { if (currentPlayer.isPlaying() && currentPlayer.isPauseAllowed()) {
notification.addAction(aPause.build()); notification.addAction(aPause.build());
playbackActions |= PlaybackStateCompat.ACTION_PAUSE; playbackActions |= PlaybackStateCompat.ACTION_PAUSE;
++numActions; ++numActions;
} }
if (!notificationPlayer.isPlaying() && notificationPlayer.isPlayAllowed()) { if (!currentPlayer.isPlaying() && currentPlayer.isPlayAllowed()) {
notification.addAction(aPlay.build()); notification.addAction(aPlay.build());
playbackActions |= PlaybackStateCompat.ACTION_PLAY; playbackActions |= PlaybackStateCompat.ACTION_PLAY;
++numActions; ++numActions;
} }
if (notificationPlayer.isGoNextAllowed()) { if (currentPlayer.isGoNextAllowed()) {
notification.addAction(aNext.build()); notification.addAction(aNext.build());
playbackActions |= PlaybackStateCompat.ACTION_SKIP_TO_NEXT; playbackActions |= PlaybackStateCompat.ACTION_SKIP_TO_NEXT;
++numActions; ++numActions;
} }
// Documentation says that this was added in Lollipop (21) but it seems to cause crashes on < Pie (28) // Documentation says that this was added in Lollipop (21) but it seems to cause crashes on < Pie (28)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
if (notificationPlayer.isSeekAllowed()) { if (currentPlayer.isSeekAllowed()) {
playbackActions |= PlaybackStateCompat.ACTION_SEEK_TO; playbackActions |= PlaybackStateCompat.ACTION_SEEK_TO;
} }
} }
playbackState.setActions(playbackActions); playbackState.setActions(playbackActions);
mediaSession.setPlaybackState(playbackState.build()); mediaSession.setPlaybackState(playbackState.build());
//Only allow deletion if no music is notificationPlayer //Only allow deletion if no music is currentPlayer
notification.setOngoing(notificationPlayer.isPlaying()); notification.setOngoing(currentPlayer.isPlaying());
//Use the MediaStyle notification, so it feels like other media players. That also allows adding actions //Use the MediaStyle notification, so it feels like other media players. That also allows adding actions
MediaStyle mediaStyle = new MediaStyle(); MediaStyle mediaStyle = new MediaStyle();