Merge "Allow media apps to receive media key events after the phone call" into... (b168f202) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaSessionService.java

+61 −40

Original line number	Diff line number	Diff line
		@@ -171,19 +171,63 @@ public class MediaSessionService extends SystemService implements Monitor {
		public void updateSession(MediaSessionRecord record) {
		synchronized (mLock) {
		FullUserRecord user = getFullUserRecordLocked(record.getUserId());
		if (user == null \|\| !user.mPriorityStack.contains(record)) {
		Log.d(TAG, "Unknown session updated. Ignoring.");
		if (user == null) {
		Log.w(TAG, "Unknown session updated. Ignoring.");
		return;
		}
		user.mPriorityStack.onSessionStateChange(record);
		if ((record.getFlags() & MediaSession.FLAG_EXCLUSIVE_GLOBAL_PRIORITY) != 0) {
		if (mGlobalPrioritySession != record) {
		Log.d(TAG, "Global priority session is changed from " + mGlobalPrioritySession
		+ " to " + record);
		mGlobalPrioritySession = record;
		if (user != null && user.mPriorityStack.contains(record)) {
		// Handle the global priority session separately.
		// Otherwise, it will be the media button session even after it becomes
		// inactive because it has been the lastly played media app.
		user.mPriorityStack.removeSession(record);
		}
		}
		if (DEBUG_KEY_EVENT) {
		Log.d(TAG, "Global priority session is updated, active=" + record.isActive());
		}
		user.pushAddressedPlayerChangedLocked();
		} else {
		if (!user.mPriorityStack.contains(record)) {
		Log.w(TAG, "Unknown session updated. Ignoring.");
		return;
		}
		user.mPriorityStack.onSessionStateChange(record);
		}
		mHandler.postSessionsChanged(record.getUserId());
		}
		}

		private List<MediaSessionRecord> getActiveSessionsLocked(int userId) {
		List<MediaSessionRecord> records;
		if (userId == UserHandle.USER_ALL) {
		records = new ArrayList<>();
		int size = mUserRecords.size();
		for (int i = 0; i < size; i++) {
		records.addAll(mUserRecords.valueAt(i).mPriorityStack.getActiveSessions(userId));
		}
		} else {
		FullUserRecord user = getFullUserRecordLocked(userId);
		if (user == null) {
		Log.w(TAG, "getSessions failed. Unknown user " + userId);
		return new ArrayList<>();
		}
		records = user.mPriorityStack.getActiveSessions(userId);
		}

		// Return global priority session at the first whenever it's asked.
		if (isGlobalPriorityActiveLocked()
		&& (userId == UserHandle.USER_ALL
		\|\| userId == mGlobalPrioritySession.getUserId())) {
		records.add(0, mGlobalPrioritySession);
		}
		return records;
		}

		/**
		* Tells the system UI that volume has changed on an active remote session.
		*/
		@@ -339,16 +383,16 @@ public class MediaSessionService extends SystemService implements Monitor {
		if (DEBUG) {
		Log.d(TAG, "Destroying " + session);
		}
		int userId = session.getUserId();
		FullUserRecord user = getFullUserRecordLocked(userId);
		if (user != null) {
		user.removeSessionLocked(session);
		}
		FullUserRecord user = getFullUserRecordLocked(session.getUserId());
		if (mGlobalPrioritySession == session) {
		mGlobalPrioritySession = null;
		if (session.isActive() && user != null) {
		user.pushAddressedPlayerChangedLocked();
		}
		} else {
		if (user != null) {
		user.mPriorityStack.removeSession(session);
		}
		}

		try {
		@@ -484,7 +528,7 @@ public class MediaSessionService extends SystemService implements Monitor {
		throw new RuntimeException("Media Session owner died prematurely.", e);
		}

		user.addSessionLocked(session);
		user.mPriorityStack.addSession(session);
		mHandler.postSessionsChanged(userId);

		if (DEBUG) {
		@@ -509,7 +553,7 @@ public class MediaSessionService extends SystemService implements Monitor {
		Log.w(TAG, "pushSessionsChanged failed. No user with id=" + userId);
		return;
		}
		List<MediaSessionRecord> records = user.mPriorityStack.getActiveSessions(userId);
		List<MediaSessionRecord> records = getActiveSessionsLocked(userId);
		int size = records.size();
		ArrayList<MediaSession.Token> tokens = new ArrayList<MediaSession.Token>();
		for (int i = 0; i < size; i++) {
		@@ -637,14 +681,6 @@ public class MediaSessionService extends SystemService implements Monitor {
		}
		}

		public void addSessionLocked(MediaSessionRecord session) {
		mPriorityStack.addSession(session);
		}

		public void removeSessionLocked(MediaSessionRecord session) {
		mPriorityStack.removeSession(session);
		}

		public void dumpLocked(PrintWriter pw, String prefix) {
		pw.print(prefix + "Record for full_user=" + mFullUserId);
		// Dump managed profile user ids associated with this user.
		@@ -816,29 +852,11 @@ public class MediaSessionService extends SystemService implements Monitor {
		int resolvedUserId = verifySessionsRequest(componentName, userId, pid, uid);
		ArrayList<IBinder> binders = new ArrayList<IBinder>();
		synchronized (mLock) {
		if (resolvedUserId == UserHandle.USER_ALL) {
		int size = mUserRecords.size();
		for (int i = 0; i < size; i++) {
		List<MediaSessionRecord> records =
		mUserRecords.valueAt(i).mPriorityStack.getActiveSessions(
		resolvedUserId);
		for (MediaSessionRecord record : records) {
		binders.add(record.getControllerBinder().asBinder());
		}
		}
		} else {
		FullUserRecord user = getFullUserRecordLocked(resolvedUserId);
		if (user == null) {
		Log.w(TAG, "getSessions failed. Unknown user " + userId);
		return binders;
		}
		List<MediaSessionRecord> records = user.mPriorityStack
		.getActiveSessions(resolvedUserId);
		List<MediaSessionRecord> records = getActiveSessionsLocked(resolvedUserId);
		for (MediaSessionRecord record : records) {
		binders.add(record.getControllerBinder().asBinder());
		}
		}
		}
		return binders;
		} finally {
		Binder.restoreCallingIdentity(token);
		@@ -1292,6 +1310,9 @@ public class MediaSessionService extends SystemService implements Monitor {
		synchronized (mLock) {
		pw.println(mSessionsListeners.size() + " sessions listeners.");
		pw.println("Global priority session is " + mGlobalPrioritySession);
		if (mGlobalPrioritySession != null) {
		mGlobalPrioritySession.dump(pw, " ");
		}
		pw.println("User Records:");
		int count = mUserRecords.size();
		for (int i = 0; i < count; i++) {

services/core/java/com/android/server/media/MediaSessionStack.java

+1 −8

Original line number	Diff line number	Diff line
		@@ -310,7 +310,6 @@ class MediaSessionStack {
		* Get a priority sorted list of sessions. Can filter to only return active
		* sessions or sessions.
		* <p>Here's the priority order.
		* <li>System priority session (session with FLAG_EXCLUSIVE_GLOBAL_PRIORITY)</li>
		* <li>Active sessions whose PlaybackState is active</li>
		* <li>Active sessions whose PlaybackState is inactive</li>
		* <li>Inactive sessions</li>
		@@ -344,13 +343,7 @@ class MediaSessionStack {
		continue;
		}

		if (session.isSystemPriority()) {
		// System priority sessions are special and always go at the
		// front. We expect there to only be one of these at a time.
		result.add(0, session);
		lastPlaybackActiveIndex++;
		lastActiveIndex++;
		} else if (session.isPlaybackActive()) {
		if (session.isPlaybackActive()) {
		result.add(lastPlaybackActiveIndex++, session);
		lastActiveIndex++;
		} else {