Workaround to get smooth scroll on group expand

 Get smooth scrolling on group expand in bookmark grid
 working.

Change-Id: I5ce9dd7a2c9b16725df8fd723b0fa39408ebec61

1 files changed, 9 insertions, 4 deletions

diff --git a/src/com/android/browser/view/BookmarkExpandableGridView.java b/src/com/android/browser/view/BookmarkExpandableGridView.java
index 0c8f66958..800f6d95e 100644
--- a/src/com/android/browser/view/BookmarkExpandableGridView.java
+++ b/src/com/android/browser/view/BookmarkExpandableGridView.java
@@ -240,11 +240,16 @@ public class BookmarkExpandableGridView extends ExpandableListView
         @Override
         public void onClick(View v) {
             int groupPosition = (Integer) v.getTag(R.id.group_position);
-            if (isGroupExpanded(groupPosition)) {
-                collapseGroup(groupPosition);
-            } else {
-                expandGroup(groupPosition);
+            // This little trick gets the built in smooth scroll when
+            // expanding a group that a call to expandGroup will not
+            int flatPos = 0;
+            for (int i = 0; i < groupPosition; i++) {
+                if (isGroupExpanded(i)) {
+                    flatPos += mAdapter.getChildrenCount(i);
+                }
+                flatPos++;
             }
+            performItemClick(v, flatPos, 0);
         }
     };