diff options
Diffstat (limited to 'src/com/android/gallery3d/ui/ScrollerHelper.java')
-rw-r--r-- | src/com/android/gallery3d/ui/ScrollerHelper.java | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/com/android/gallery3d/ui/ScrollerHelper.java b/src/com/android/gallery3d/ui/ScrollerHelper.java index 9f19cec96..84235185b 100644 --- a/src/com/android/gallery3d/ui/ScrollerHelper.java +++ b/src/com/android/gallery3d/ui/ScrollerHelper.java @@ -58,6 +58,10 @@ public class ScrollerHelper { return mScroller.getCurrX(); } + public float getCurrVelocity() { + return mScroller.getCurrVelocity(); + } + public void setPosition(int position) { mScroller.startScroll( position, 0, // startX, startY @@ -77,7 +81,8 @@ public class ScrollerHelper { mOverflingEnabled ? mOverflingDistance : 0, 0); } - public boolean startScroll(int distance, int min, int max) { + // Returns the distance that over the scroll limit. + public int startScroll(int distance, int min, int max) { int currPosition = mScroller.getCurrX(); int finalPosition = mScroller.getFinalX(); int newPosition = Utils.clamp(finalPosition + distance, min, max); @@ -85,9 +90,7 @@ public class ScrollerHelper { mScroller.startScroll( currPosition, 0, // startX, startY newPosition - currPosition, 0, 0); // dx, dy, duration - return true; - } else { - return false; } + return finalPosition + distance - newPosition; } } |