Revert edge glow effect and restore damped overscroll

Bug 62628421

Change-Id: Iab6ac567e98e63ade34de8817c3ae1f58c25ba19

src/com/android/launcher3/Workspace.java

@@ -301,8 +301,7 @@ public class Workspace extends PagedView
     boolean mScrollInteractionBegan;
     boolean mStartedSendingScrollEvents;
     float mLastOverlayScroll = 0;
-    // Total over scrollX in the overlay direction.
-    private int mUnboundedScrollX;
+
     private boolean mForceDrawAdjacentPages = false;
     // Total over scrollX in the overlay direction.
     private float mOverlayTranslation;
@@ -1322,18 +1321,10 @@ public class Workspace extends PagedView
         onOverlayScrollChanged(0);
     }
 
-    @Override
-    protected int getUnboundedScrollX() {
-        if (isScrollingOverlay()) {
-            return mUnboundedScrollX;
-        }
-
-        return super.getUnboundedScrollX();
-    }
 
     private boolean isScrollingOverlay() {
         return mLauncherOverlay != null &&
-                ((mIsRtl && mUnboundedScrollX > mMaxScrollX) || (!mIsRtl && mUnboundedScrollX < 0));
+                ((mIsRtl && getUnboundedScrollX() > mMaxScrollX) || (!mIsRtl && getUnboundedScrollX() < 0));
     }
 
     @Override
@@ -1352,12 +1343,6 @@ public class Workspace extends PagedView
         }
     }
 
-    @Override
-    public void scrollTo(int x, int y) {
-        mUnboundedScrollX = x;
-        super.scrollTo(x, y);
-    }
-
     @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
@@ -1530,13 +1515,6 @@ public class Workspace extends PagedView
         }
     }
 
-    @Override
-    protected void getEdgeVerticalPosition(int[] pos) {
-        View child = getChildAt(getPageCount() - 1);
-        pos[0] = child.getTop();
-        pos[1] = child.getBottom();
-    }
-
     @Override
     protected void notifyPageSwitchListener() {
         super.notifyPageSwitchListener();