Merge changes I52152223,I49db5cab into oc-dr1-dev

am: fc596b1cf6

Change-Id: I53f12c1d0854d56ad0e700bf028fd68b47917e1f

packages/SystemUI/src/com/android/systemui/pip/phone/PipManager.java

@@ -71,10 +71,6 @@ public class PipManager implements BasePipManager {
     TaskStackListener mTaskStackListener = new TaskStackListener() {
         @Override
         public void onActivityPinned(String packageName, int taskId) {
-            if (!checkCurrentUserId(mContext, false /* debug */)) {
-                return;
-            }
-
             mTouchHandler.onActivityPinned();
             mMediaController.onActivityPinned();
             mMenuController.onActivityPinned();
@@ -86,10 +82,6 @@ public class PipManager implements BasePipManager {
 
         @Override
         public void onActivityUnpinned() {
-            if (!checkCurrentUserId(mContext, false /* debug */)) {
-                return;
-            }
-
             ComponentName topPipActivity = PipUtils.getTopPinnedActivity(mContext,
                     mActivityManager);
             mMenuController.onActivityUnpinned(topPipActivity);
@@ -116,10 +108,6 @@ public class PipManager implements BasePipManager {
 
         @Override
         public void onPinnedActivityRestartAttempt(boolean clearedTask) {
-            if (!checkCurrentUserId(mContext, false /* debug */)) {
-                return;
-            }
-
             mTouchHandler.getMotionHelper().expandPip(clearedTask /* skipAnimation */);
         }
     };

packages/SystemUI/src/com/android/systemui/pip/phone/PipMediaController.java

@@ -26,14 +26,18 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
 import android.media.session.MediaController;
 import android.media.session.MediaSession;
 import android.media.session.MediaSessionManager;
+import android.media.session.MediaSessionManager.OnActiveSessionsChangedListener;
 import android.media.session.PlaybackState;
 import android.os.UserHandle;
 
+import com.android.systemui.Dependency;
 import com.android.systemui.R;
+import com.android.systemui.statusbar.policy.UserInfoController;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -88,13 +92,21 @@ public class PipMediaController {
         }
     };
 
-    private MediaController.Callback mPlaybackChangedListener = new MediaController.Callback() {
+    private final MediaController.Callback mPlaybackChangedListener = new MediaController.Callback() {
         @Override
         public void onPlaybackStateChanged(PlaybackState state) {
             notifyActionsChanged();
         }
     };
 
+    private final MediaSessionManager.OnActiveSessionsChangedListener mSessionsChangedListener =
+            new OnActiveSessionsChangedListener() {
+        @Override
+        public void onActiveSessionsChanged(List<MediaController> controllers) {
+            resolveActiveMediaController(controllers);
+        }
+    };
+
     private ArrayList<ActionListener> mListeners = new ArrayList<>();
 
     public PipMediaController(Context context, IActivityManager activityManager) {
@@ -110,9 +122,11 @@ public class PipMediaController {
         createMediaActions();
         mMediaSessionManager =
                 (MediaSessionManager) context.getSystemService(Context.MEDIA_SESSION_SERVICE);
-        mMediaSessionManager.addOnActiveSessionsChangedListener(controllers -> {
-            resolveActiveMediaController(controllers);
-        }, null);
+
+        // The media session listener needs to be re-registered when switching users
+        UserInfoController userInfoController = Dependency.get(UserInfoController.class);
+        userInfoController.addCallback((String name, Drawable picture, String userAccount) ->
+                registerSessionListenerForCurrentUser());
     }
 
     /**
@@ -120,7 +134,8 @@ public class PipMediaController {
      */
     public void onActivityPinned() {
         // Once we enter PiP, try to find the active media controller for the top most activity
-        resolveActiveMediaController(mMediaSessionManager.getActiveSessions(null));
+        resolveActiveMediaController(mMediaSessionManager.getActiveSessionsForUser(null,
+                UserHandle.USER_CURRENT));
     }
 
     /**
@@ -200,6 +215,15 @@ public class PipMediaController {
                                 FLAG_UPDATE_CURRENT));
     }
 
+    /**
+     * Re-registers the session listener for the current user.
+     */
+    private void registerSessionListenerForCurrentUser() {
+        mMediaSessionManager.removeOnActiveSessionsChangedListener(mSessionsChangedListener);
+        mMediaSessionManager.addOnActiveSessionsChangedListener(mSessionsChangedListener, null,
+                UserHandle.USER_CURRENT, null);
+    }
+
     /**
      * Tries to find and set the active media controller for the top PiP activity.
      */