Disallow auto-enter PIP when there is an existing PIP

- Remove some deprecated calls when registering task stack listeners

Bug: 190464560
Test: Enter YT Pip, try to enter another auto-enter PIP app
Change-Id: Ib7d3a07effadb7b13f7c37f938741e27cf0e254e
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index b5c5217..8f42993 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -117,6 +117,7 @@
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 import com.android.systemui.shared.system.TaskInfoCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.ArrayList;
 import java.util.function.Consumer;
@@ -1083,7 +1084,7 @@
                 // Since this is an edge case, just cancel and relaunch with default activity
                 // options (since we don't know if there's an associated app icon to launch from)
                 endRunningWindowAnim(true /* cancel */);
-                ActivityManagerWrapper.getInstance().unregisterTaskStackListener(
+                TaskStackChangeListeners.getInstance().unregisterTaskStackListener(
                         mActivityRestartListener);
                 ActivityManagerWrapper.getInstance().startActivityFromRecents(task.taskId, null);
             }
@@ -1098,7 +1099,7 @@
         // If we are transitioning to launcher, then listen for the activity to be restarted while
         // the transition is in progress
         if (mGestureState.getEndTarget().isLauncher) {
-            ActivityManagerWrapper.getInstance().registerTaskStackListener(
+            TaskStackChangeListeners.getInstance().registerTaskStackListener(
                     mActivityRestartListener);
 
             mParallelRunningAnim = mActivityInterface.getParallelAnimationToLauncher(
@@ -1117,7 +1118,8 @@
                     ? runningTaskTarget.taskInfo.launchCookies
                     : new ArrayList<>();
             boolean isTranslucent = runningTaskTarget != null && runningTaskTarget.isTranslucent;
-            boolean appCanEnterPip = runningTaskTarget != null
+            boolean appCanEnterPip = !mDeviceState.isPipActive()
+                    && runningTaskTarget != null
                     && runningTaskTarget.taskInfo.pictureInPictureParams != null
                     && TaskInfoCompat.isAutoEnterPipEnabled(
                             runningTaskTarget.taskInfo.pictureInPictureParams);
@@ -1400,7 +1402,8 @@
         }
 
         mActivityInitListener.unregister();
-        ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mActivityRestartListener);
+        TaskStackChangeListeners.getInstance().unregisterTaskStackListener(
+                mActivityRestartListener);
         mTaskSnapshot = null;
     }
 
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index 3302da0..3080f04 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -33,6 +33,7 @@
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -66,7 +67,7 @@
         mKeyguardManager = keyguardManager;
         mChangeId = 1;
         mActivityManagerWrapper = activityManagerWrapper;
-        mActivityManagerWrapper.registerTaskStackListener(this);
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(this);
     }
 
     @VisibleForTesting
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index fa37901..444d77a 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -15,6 +15,8 @@
  */
 package com.android.quickstep;
 
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
+import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.content.Intent.ACTION_USER_UNLOCKED;
 
 import static com.android.launcher3.util.DisplayController.CHANGE_ALL;
@@ -41,6 +43,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED;
 
 import android.app.ActivityManager;
+import android.app.ActivityTaskManager;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -50,6 +53,7 @@
 import android.graphics.Region;
 import android.net.Uri;
 import android.os.Process;
+import android.os.RemoteException;
 import android.os.SystemProperties;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -75,6 +79,8 @@
 import com.android.systemui.shared.system.QuickStepContract;
 import com.android.systemui.shared.system.QuickStepContract.SystemUiStateFlags;
 import com.android.systemui.shared.system.SystemGestureExclusionListenerCompat;
+import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -96,6 +102,8 @@
     private final DisplayController mDisplayController;
     private final int mDisplayId;
     private final RotationTouchHelper mRotationTouchHelper;
+    private final TaskStackChangeListener mPipListener;
+    private final List<ComponentName> mGestureBlockedActivities;
 
     private final ArrayList<Runnable> mOnDestroyActions = new ArrayList<>();
 
@@ -106,9 +114,11 @@
     private final Region mDeferredGestureRegion = new Region();
     private boolean mAssistantAvailable;
     private float mAssistantVisibility;
+    private boolean mIsUserSetupComplete;
     private boolean mIsOneHandedModeEnabled;
     private boolean mIsSwipeToNotificationEnabled;
     private final boolean mIsOneHandedModeSupported;
+    private boolean mPipIsActive;
 
     private boolean mIsUserUnlocked;
     private final ArrayList<Runnable> mUserUnlockedActions = new ArrayList<>();
@@ -125,10 +135,6 @@
     private Region mExclusionRegion;
     private SystemGestureExclusionListenerCompat mExclusionListener;
 
-    private final List<ComponentName> mGestureBlockedActivities;
-
-    private boolean mIsUserSetupComplete;
-
     public RecentsAnimationDeviceState(Context context) {
         this(context, false);
     }
@@ -204,7 +210,6 @@
             mIsOneHandedModeEnabled = false;
         }
 
-
         Uri swipeBottomNotificationUri =
                 Settings.Secure.getUriFor(ONE_HANDED_SWIPE_BOTTOM_TO_NOTIFICATION_ENABLED);
         SettingsCache.OnChangeListener onChangeListener =
@@ -220,6 +225,27 @@
             settingsCache.register(setupCompleteUri, userSetupChangeListener);
             runOnDestroy(() -> settingsCache.unregister(setupCompleteUri, userSetupChangeListener));
         }
+
+        try {
+            mPipIsActive = ActivityTaskManager.getService().getRootTaskInfo(
+                    WINDOWING_MODE_PINNED, ACTIVITY_TYPE_UNDEFINED) != null;
+        } catch (RemoteException e) {
+            // Do nothing
+        }
+        mPipListener = new TaskStackChangeListener() {
+            @Override
+            public void onActivityPinned(String packageName, int userId, int taskId, int stackId) {
+                mPipIsActive = true;
+            }
+
+            @Override
+            public void onActivityUnpinned() {
+                mPipIsActive = false;
+            }
+        };
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(mPipListener);
+        runOnDestroy(() ->
+                TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mPipListener));
     }
 
     private void runOnDestroy(Runnable action) {
@@ -579,6 +605,10 @@
         return mIsSwipeToNotificationEnabled;
     }
 
+    public boolean isPipActive() {
+        return mPipIsActive;
+    }
+
     public RotationTouchHelper getRotationTouchHelper() {
         return mRotationTouchHelper;
     }
@@ -596,6 +626,7 @@
         pw.println("  isOneHandedModeEnabled=" + mIsOneHandedModeEnabled);
         pw.println("  isSwipeToNotificationEnabled=" + mIsSwipeToNotificationEnabled);
         pw.println("  deferredGestureRegion=" + mDeferredGestureRegion);
+        pw.println("  pipIsActive=" + mPipIsActive);
         mRotationTouchHelper.dump(pw);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 2eb9dd8..1e82c8c 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -39,6 +39,7 @@
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -75,7 +76,7 @@
         mIconCache = new TaskIconCache(context, RECENTS_MODEL_EXECUTOR, iconProvider);
         mThumbnailCache = new TaskThumbnailCache(context, RECENTS_MODEL_EXECUTOR);
 
-        ActivityManagerWrapper.getInstance().registerTaskStackListener(this);
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(this);
         iconProvider.registerIconChangeListener(this, MAIN_EXECUTOR.getHandler());
     }
 
diff --git a/quickstep/src/com/android/quickstep/RotationTouchHelper.java b/quickstep/src/com/android/quickstep/RotationTouchHelper.java
index fc7a3df..678b176 100644
--- a/quickstep/src/com/android/quickstep/RotationTouchHelper.java
+++ b/quickstep/src/com/android/quickstep/RotationTouchHelper.java
@@ -38,6 +38,7 @@
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.QuickStepContract;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -178,14 +179,14 @@
     }
 
     private void setupOrientationSwipeHandler() {
-        ActivityManagerWrapper.getInstance().registerTaskStackListener(mFrozenTaskListener);
-        mOnDestroyFrozenTaskRunnable = () -> ActivityManagerWrapper.getInstance()
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(mFrozenTaskListener);
+        mOnDestroyFrozenTaskRunnable = () -> TaskStackChangeListeners.getInstance()
                 .unregisterTaskStackListener(mFrozenTaskListener);
         runOnDestroy(mOnDestroyFrozenTaskRunnable);
     }
 
     private void destroyOrientationSwipeHandlerCallback() {
-        ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mFrozenTaskListener);
+        TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mFrozenTaskListener);
         mOnDestroyActions.remove(mOnDestroyFrozenTaskRunnable);
     }
 
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index 29ddde0..9731bf1 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -39,6 +39,7 @@
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 import com.android.systemui.shared.system.RemoteTransitionCompat;
 import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 public class TaskAnimationManager implements RecentsAnimationCallbacks.RecentsAnimationListener {
     public static final boolean ENABLE_SHELL_TRANSITIONS =
@@ -58,7 +59,7 @@
         public void onActivityRestartAttempt(ActivityManager.RunningTaskInfo task,
                 boolean homeTaskVisible, boolean clearedTask, boolean wasVisible) {
             if (mLastGestureState == null) {
-                ActivityManagerWrapper.getInstance().unregisterTaskStackListener(
+                TaskStackChangeListeners.getInstance().unregisterTaskStackListener(
                         mLiveTileRestartListener);
                 return;
             }
@@ -68,7 +69,7 @@
                 RecentsView recentsView = activityInterface.getCreatedActivity().getOverviewPanel();
                 if (recentsView != null) {
                     recentsView.launchSideTaskInLiveTileModeForRestartedApp(task.taskId);
-                    ActivityManagerWrapper.getInstance().unregisterTaskStackListener(
+                    TaskStackChangeListeners.getInstance().unregisterTaskStackListener(
                             mLiveTileRestartListener);
                 }
             }
@@ -197,7 +198,7 @@
     }
 
     public void enableLiveTileRestartListener() {
-        ActivityManagerWrapper.getInstance().registerTaskStackListener(mLiveTileRestartListener);
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(mLiveTileRestartListener);
     }
 
     /**
@@ -241,7 +242,7 @@
             mLiveTileCleanUpHandler.run();
             mLiveTileCleanUpHandler = null;
         }
-        ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mLiveTileRestartListener);
+        TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mLiveTileRestartListener);
 
         // Release all the target leashes
         if (mTargets != null) {