Using the activity size for swipe-dow animation in fallback+multiWindow mode

Bug: 77281732
Change-Id: I2d652b801bcecd339fed00a43677b20d782997c6

quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java

@@ -66,4 +66,9 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity> {
         LayoutUtils.calculateFallbackTaskSize(getContext(), dp, outRect);
     }
 
+    @Override
+    public boolean shouldUseMultiWindowTaskSizeStrategy() {
+        // Just use the activity task size for multi-window as well.
+        return false;
+    }
 }

quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java

@@ -27,6 +27,7 @@ import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.views.BaseDragLayer;
+import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskThumbnailView;
 import com.android.systemui.shared.recents.utilities.RectFEvaluator;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
@@ -135,7 +136,7 @@ public class ClipAnimationHelper {
         }
     }
 
-    public void fromTaskThumbnailView(TaskThumbnailView ttv) {
+    public void fromTaskThumbnailView(TaskThumbnailView ttv, RecentsView rv) {
         BaseDraggingActivity activity = BaseDraggingActivity.fromContext(ttv.getContext());
         BaseDragLayer dl = activity.getDragLayer();
 
@@ -144,7 +145,7 @@ public class ClipAnimationHelper {
         mHomeStackBounds.set(0, 0, dl.getWidth(), dl.getHeight());
         mHomeStackBounds.offset(pos[0], pos[1]);
 
-        if (activity.isInMultiWindowModeCompat()) {
+        if (rv.shouldUseMultiWindowTaskSizeStrategy()) {
             // TODO: Fetch multi-window target bounds from system-ui
             DeviceProfile fullDp = activity.getDeviceProfile().getFullScreenProfile();
             // Use availableWidthPx and availableHeightPx instead of widthPx and heightPx to

quickstep/src/com/android/quickstep/util/TaskViewDrawable.java

@@ -64,7 +64,7 @@ public class TaskViewDrawable extends Drawable {
 
         mThumbnailView = tv.getThumbnail();
         mClipAnimationHelper = new ClipAnimationHelper();
-        mClipAnimationHelper.fromTaskThumbnailView(mThumbnailView);
+        mClipAnimationHelper.fromTaskThumbnailView(mThumbnailView, parent);
     }
 
     public void setProgress(float progress) {

quickstep/src/com/android/quickstep/views/LauncherRecentsView.java

@@ -138,4 +138,9 @@ public class LauncherRecentsView extends RecentsView<Launcher> {
         }
         super.onTaskLaunched(success);
     }
+
+    @Override
+    public boolean shouldUseMultiWindowTaskSizeStrategy() {
+        return mActivity.isInMultiWindowModeCompat();
+    }
 }

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -1095,6 +1095,8 @@ public abstract class RecentsView<T extends BaseActivity>
         return mPendingAnimation;
     }
 
+    public abstract boolean shouldUseMultiWindowTaskSizeStrategy();
+
     protected void onTaskLaunched(boolean success) {
         resetTaskVisuals();
     }