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Commit 51fa6bcb authored by RoboErik's avatar RoboErik
Browse files

b/15757378 Expose APIs for listening to active sessions 

This allows apps that are registered notification listeners to
listen to the set of active sessions.

Change-Id: I1e108951a5049d138208e88b155c0ec9b95fbdb0
parent bbc9cd32

api/current.txt

+7 −0
Original line number Diff line number Diff line
@@ -15829,7 +15829,14 @@ package android.media.session { 
  }















  public final class MediaSessionManager {













    method public void addActiveSessionsListener(android.media.session.MediaSessionManager.SessionListener, android.content.ComponentName);















    method public android.media.session.MediaSession createSession(java.lang.String);













    method public java.util.List<android.media.session.MediaController> getActiveSessions(android.content.ComponentName);













  }

























  public static abstract class MediaSessionManager.SessionListener {













    ctor public MediaSessionManager.SessionListener();













    method public abstract void onActiveSessionsChanged(java.util.List<android.media.session.MediaController>);















  }





























  public final class MediaSessionToken implements android.os.Parcelable {

























media/java/android/media/RemoteController.java



+4
−3




























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@@ -35,6 +35,7 @@ import android.os.Handler;













import android.os.Looper;















import android.os.Message;















import android.os.SystemClock;













import android.os.UserHandle;















import android.util.DisplayMetrics;















import android.util.Log;















import android.view.KeyEvent;










@@ -793,12 +794,12 @@ public final class RemoteController













        final ComponentName listenerComponent = new ComponentName(mContext,















                mOnClientUpdateListener.getClass());















        mSessionManager.addActiveSessionsListener(mSessionListener, listenerComponent,













                ActivityManager.getCurrentUser());













                UserHandle.myUserId());















        mSessionListener.onActiveSessionsChanged(mSessionManager















                .getActiveSessions(listenerComponent));















        if (DEBUG) {















            Log.d(TAG, "Registered session listener with component " + listenerComponent













                    + " for user " + ActivityManager.getCurrentUser());













                    + " for user " + UserHandle.myUserId());















        }















    }

























@@ -809,7 +810,7 @@ public final class RemoteController













        mSessionManager.removeActiveSessionsListener(mSessionListener);















        if (DEBUG) {















            Log.d(TAG, "Unregistered session listener for user "













                    + ActivityManager.getCurrentUser());













                    + UserHandle.myUserId());















        }















    }

















































media/java/android/media/session/MediaSessionManager.java



+18
−3




























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@@ -109,7 +109,6 @@ public final class MediaSessionManager {













     * @param notificationListener The enabled notification listener component.















     *            May be null.















     * @return A list of controllers for ongoing sessions













     * @hide















     */















    public List<MediaController> getActiveSessions(ComponentName notificationListener) {















        return getActiveSessionsForUser(notificationListener, UserHandle.myUserId());










@@ -145,6 +144,24 @@ public final class MediaSessionManager {













        return controllers;















    }





























    /**













     * Add a listener to be notified when the list of active sessions













     * changes.This requires the













     * android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by













     * the calling app. You may also retrieve this list if your app is an













     * enabled notification listener using the













     * {@link NotificationListenerService} APIs, in which case you must pass the













     * {@link ComponentName} of your enabled listener.













     *













     * @param sessionListener The listener to add.













     * @param notificationListener The enabled notification listener component.













     *            May be null.













     */













    public void addActiveSessionsListener(SessionListener sessionListener,













            ComponentName notificationListener) {













        addActiveSessionsListener(sessionListener, notificationListener, UserHandle.myUserId());













    }





























    /**















     * Add a listener to be notified when the list of active sessions















     * changes.This requires the










@@ -236,8 +253,6 @@ public final class MediaSessionManager {













    /**















     * Listens for changes to the list of active sessions. This can be added















     * using {@link #addActiveSessionsListener}.













     *













     * @hide















     */















    public static abstract class SessionListener {















        /**

































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



+3
−0




























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@@ -383,6 +383,9 @@ public class MediaSessionService extends SystemService implements Monitor {













            // You may not access another user's content as an enabled listener.















            return false;















        }













        if (DEBUG) {













            Log.d(TAG, "Checking if enabled notification listener " + compName);













        }















        if (compName != null) {















            final String enabledNotifListeners = Settings.Secure.getStringForUser(mContentResolver,















                    Settings.Secure.ENABLED_NOTIFICATION_LISTENERS,