Merge "Disabling page fling while the overlay is moving" into ub-launcher3-dorval-polish

src/com/android/launcher3/PagedView.java

@@ -1599,7 +1599,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                 mTotalMotionX += Math.abs(mLastMotionX + mLastMotionXRemainder - x);
 
                 boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING &&
-                        Math.abs(velocityX) > mFlingThresholdVelocity;
+                        shouldFlingForVelocity(velocityX);
 
                 if (!mFreeScroll) {
                     // In the case that the page is moved far to one direction and then is flung
@@ -1705,6 +1705,10 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
         return true;
     }
 
+    protected boolean shouldFlingForVelocity(int velocityX) {
+        return Math.abs(velocityX) > mFlingThresholdVelocity;
+    }
+
     private void resetTouchState() {
         releaseVelocityTracker();
         endReordering();

src/com/android/launcher3/Workspace.java

@@ -1462,6 +1462,13 @@ public class Workspace extends PagedView
         }
     }
 
+    @Override
+    protected boolean shouldFlingForVelocity(int velocityX) {
+        // When the overlay is moving, the fling or settle transition is controlled by the overlay.
+        return Float.compare(mOverlayTranslation, 0) == 0 &&
+                super.shouldFlingForVelocity(velocityX);
+    }
+
     private final Interpolator mAlphaInterpolator = new DecelerateInterpolator(3f);
 
     /**