Fix tracking window being slightly off when swiping from an app am: 94be66acd6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12172317

Change-Id: I4c69a9ff4d8398e873ac5aea37c565d13a626c95

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

@@ -49,9 +49,7 @@ public class LayoutUtils {
             Rect taskSize = new Rect();
             LauncherActivityInterface.INSTANCE.calculateTaskSize(context, dp, taskSize,
                     orientationHandler);
-            return (orientationHandler.getSecondaryValue(dp.widthPx, dp.heightPx)
-                    - orientationHandler.getSecondaryValue(taskSize.width(), taskSize.height()))
-                    / 2;
+            return orientationHandler.getDistanceToBottomOfRect(dp, taskSize);
         }
         int shelfHeight = dp.hotseatBarSizePx + dp.getInsets().bottom;
         int spaceBetweenShelfAndRecents = (int) context.getResources().getDimension(

src/com/android/launcher3/touch/LandscapePagedViewHandler.java

@@ -17,6 +17,7 @@
 package com.android.launcher3.touch;
 
 import static android.widget.ListPopupWindow.WRAP_CONTENT;
+
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
@@ -33,6 +34,7 @@ import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.LinearLayout;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.OverScroller;
@@ -260,4 +262,10 @@ public class LandscapePagedViewHandler implements PagedOrientationHandler {
         }
         return new ChildBounds(childHeight, childWidth, childBottom, childLeft);
     }
+
+    @SuppressWarnings("SuspiciousNameCombination")
+    @Override
+    public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) {
+        return rect.left;
+    }
 }

src/com/android/launcher3/touch/PagedOrientationHandler.java

@@ -96,6 +96,7 @@ public interface PagedOrientationHandler {
     int getTaskMenuWidth(View view);
     int getTaskMenuLayoutOrientation(LinearLayout taskMenuLayout);
     void setLayoutParamsForTaskMenuOptionItem(LinearLayout.LayoutParams lp);
+    int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect);
 
     /**
      * Maps the velocity from the coordinate plane of the foreground app to that

src/com/android/launcher3/touch/PortraitPagedViewHandler.java

@@ -32,6 +32,7 @@ import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.LinearLayout;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.OverScroller;
@@ -257,4 +258,9 @@ public class PortraitPagedViewHandler implements PagedOrientationHandler {
         }
         return new ChildBounds(childWidth, childHeight, childRight, childTop);
     }
+
+    @Override
+    public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) {
+        return dp.heightPx - rect.bottom;
+    }
 }

src/com/android/launcher3/touch/SeascapePagedViewHandler.java

@@ -18,9 +18,11 @@ package com.android.launcher3.touch;
 
 import android.content.res.Resources;
 import android.graphics.PointF;
+import android.graphics.Rect;
 import android.view.Surface;
 import android.view.View;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
 
 public class SeascapePagedViewHandler extends LandscapePagedViewHandler {
@@ -77,4 +79,9 @@ public class SeascapePagedViewHandler extends LandscapePagedViewHandler {
         view.setTranslationX(0);
         view.setTranslationY(translation);
     }
+
+    @Override
+    public int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect) {
+        return dp.widthPx - rect.right;
+    }
 }