wip 3029324: Implement new drag feedback

- Show page borders when dragging
- Enlarge scroll region (landscape only)
- When inside scroll region, show green border on adjacent page

1 files changed, 12 insertions, 0 deletions

diff --git a/src/com/android/launcher2/DragScroller.java b/src/com/android/launcher2/DragScroller.java
index c3c251c2f..6af9c3032 100644
--- a/src/com/android/launcher2/DragScroller.java
+++ b/src/com/android/launcher2/DragScroller.java
@@ -23,4 +23,16 @@ package com.android.launcher2;
 public interface DragScroller {
     void scrollLeft();
     void scrollRight();
+
+    /**
+     * The touch point has entered the scroll area; a scroll is imminent.
+     *
+     * @param direction The scroll direction
+     */
+    void onEnterScrollArea(int direction);
+
+    /**
+     * The touch point has left the scroll area.
+     */
+    void onExitScrollArea();
 }