commit 7944ee5c79136be7f28eb52260d6be779510e749
author Alex Chau <alexchau@google.com> Fri Jan 08 19:07:25 2021 +0000
committer Alex Chau <alexchau@google.com> Mon Feb 08 19:40:49 2021 +0000
tree 963d3cae26dca682398276ac19d8725ba7380eba
parent fd03d04ae0539f98ff20799c546ca07d88bd8c32

Enable variable size thumbnail for large screen

- Introduced a feature flag
- Refresh TaskView size when thumbnail is refreshed or Recents resizes
- Disable edge scale down in large screens
- Added temp method to get task width/height ratio
- In fullscreen, scale down TaskThumbnailView and disable TaskView elevation
- Task boxing mechanism: http://screen/3NkePthAVUVH2Rv.png

Bug: 174464656
Test: Manually test overview and quickswitch for folded and unfolded, including with RTL.
Change-Id: I2ce24d588a246cc6a2408039a37d884021aa0800

src/com/android/launcher3/PagedView.java

diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 4303dee..ada297f 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -745,6 +745,11 @@
         return mOrientationHandler.getChildStart(pageAtIndex);
     }
 
+    protected int getChildVisibleSize(int index) {
+        View layout = getPageAt(index);
+        return mOrientationHandler.getMeasuredSize(layout);
+    }
+
     @Override
     public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) {
         int page = indexToPage(indexOfChild(child));
@@ -1457,8 +1462,7 @@
     }
 
     private int getDisplacementFromScreenCenter(int childIndex, int screenCenter) {
-        View layout = getPageAt(childIndex);
-        int childSize = mOrientationHandler.getMeasuredSize(layout);
+        int childSize = getChildVisibleSize(childIndex);
         int halfChildSize = (childSize / 2);
         int childCenter = getChildOffset(childIndex) + halfChildSize;
         return childCenter - screenCenter;