Fixing crash when swiping up using 3P Launcher

Change-Id: Ia181edc1a00136374b3f0d848beccf0c9acd7b5c

quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsActivity.java

@@ -70,7 +70,7 @@ public final class RecentsActivity extends BaseRecentsActivity {
         setContentView(R.layout.fallback_recents_activity);
         mRecentsRootView = findViewById(R.id.drag_layer);
         mFallbackRecentsView = findViewById(R.id.overview_panel);
-        mRecentsRootView.setup();
+        mRecentsRootView.recreateControllers();
     }
 
     @Override
@@ -108,7 +108,7 @@ public final class RecentsActivity extends BaseRecentsActivity {
     @Override
     protected void onHandleConfigChanged() {
         super.onHandleConfigChanged();
-        mRecentsRootView.setup();
+        mRecentsRootView.recreateControllers();
     }
 
     @Override

quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java

@@ -50,8 +50,6 @@ import androidx.annotation.UiThread;
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.PagedView;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.config.FeatureFlags;
@@ -351,17 +349,6 @@ public class TouchInteractionService extends Service implements PluginListener<O
                 OverscrollPlugin.class, false /* allowMultiple */);
     }
 
-    private void onDeferredActivityLaunch() {
-        if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
-            mOverviewComponentObserver.getActivityInterface().switchRunningTaskViewToScreenshot(
-                    null, () -> {
-                        mTaskAnimationManager.finishRunningRecentsAnimation(true /* toHome */);
-                    });
-        } else {
-            mTaskAnimationManager.finishRunningRecentsAnimation(true /* toHome */);
-        }
-    }
-
     private void resetHomeBounceSeenOnQuickstepEnabledFirstTime() {
         if (!mDeviceState.isUserUnlocked() || mDeviceState.isButtonNavMode()) {
             // Skip if not yet unlocked (can't read user shared prefs) or if the current navigation
@@ -554,15 +541,15 @@ public class TouchInteractionService extends Service implements PluginListener<O
             return;
         }
         mDeviceState.enableMultipleRegions(baseInputConsumer instanceof OtherActivityInputConsumer);
-        Launcher l = (Launcher) mOverviewComponentObserver
-            .getActivityInterface().getCreatedActivity();
-        if (l == null || !(l.getOverviewPanel() instanceof RecentsView)) {
+        BaseDraggingActivity activity =
+                mOverviewComponentObserver.getActivityInterface().getCreatedActivity();
+        if (activity == null || !(activity.getOverviewPanel() instanceof RecentsView)) {
             return;
         }
-        ((RecentsView)l.getOverviewPanel())
+        ((RecentsView) activity.getOverviewPanel())
             .setLayoutRotation(mDeviceState.getCurrentActiveRotation(),
                 mDeviceState.getDisplayRotation());
-        l.getDragLayer().recreateControllers();
+        activity.getDragLayer().recreateControllers();
     }
 
     private InputConsumer newBaseConsumer(GestureState previousGestureState,

quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsRootView.java

@@ -21,7 +21,6 @@ import android.graphics.Point;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 
-import com.android.launcher3.BaseActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.TouchController;
@@ -31,13 +30,11 @@ import com.android.quickstep.RecentsActivity;
 public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
 
     private static final int MIN_SIZE = 10;
-    private final RecentsActivity mActivity;
 
     private final Point mLastKnownSize = new Point(MIN_SIZE, MIN_SIZE);
 
     public RecentsRootView(Context context, AttributeSet attrs) {
         super(context, attrs, 1 /* alphaChannelCount */);
-        mActivity = BaseActivity.fromContext(context);
         setSystemUiVisibility(SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                 | SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                 | SYSTEM_UI_FLAG_LAYOUT_STABLE);
@@ -47,7 +44,8 @@ public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
         return mLastKnownSize;
     }
 
-    public void setup() {
+    @Override
+    public void recreateControllers() {
         mControllers = new TouchController[] {
                 new RecentsTaskController(mActivity),
                 new FallbackNavBarTouchController(mActivity),

src/com/android/launcher3/dragndrop/DragLayer.java

@@ -119,6 +119,7 @@ public class DragLayer extends BaseDragLayer<Launcher> {
         recreateControllers();
     }
 
+    @Override
     public void recreateControllers() {
         mControllers = mActivity.createTouchControllers();
     }

src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java

@@ -54,6 +54,11 @@ public class SecondaryDragLayer extends BaseDragLayer<SecondaryDisplayLauncher>
 
     public SecondaryDragLayer(Context context, AttributeSet attrs) {
         super(context, attrs, 1 /* alphaChannelCount */);
+        recreateControllers();
+    }
+
+    @Override
+    public void recreateControllers() {
         mControllers = new TouchController[] {new CloseAllAppsTouchController()};
     }
 

src/com/android/launcher3/views/BaseDragLayer.java

@@ -40,7 +40,6 @@ import android.widget.FrameLayout;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.InsettableFrameLayout;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
@@ -115,6 +114,11 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
         mMultiValueAlpha = new MultiValueAlpha(this, alphaChannelCount);
     }
 
+    /**
+     * Called to reinitialize touch controllers.
+     */
+    public abstract void recreateControllers();
+
     /**
      * Same as {@link #isEventOverView(View, MotionEvent, View)} where evView == this drag layer.
      */