Merge "Added proper overscrolling scroll bar behavior to GridView"
diff --git a/core/java/android/widget/GridView.java b/core/java/android/widget/GridView.java
index 30a38df..b9acf5e 100644
--- a/core/java/android/widget/GridView.java
+++ b/core/java/android/widget/GridView.java
@@ -1856,8 +1856,11 @@
final int top = view.getTop();
int height = view.getHeight();
if (height > 0) {
- final int whichRow = mFirstPosition / mNumColumns;
- return Math.max(whichRow * 100 - (top * 100) / height, 0);
+ final int numColumns = mNumColumns;
+ final int whichRow = mFirstPosition / numColumns;
+ final int rowCount = (mItemCount + numColumns - 1) / numColumns;
+ return Math.max(whichRow * 100 - (top * 100) / height +
+ (int) ((float) mScrollY / getHeight() * rowCount * 100), 0);
}
}
return 0;
@@ -1868,7 +1871,12 @@
// TODO: Account for vertical spacing too
final int numColumns = mNumColumns;
final int rowCount = (mItemCount + numColumns - 1) / numColumns;
- return Math.max(rowCount * 100, 0);
+ int result = Math.max(rowCount * 100, 0);
+ if (mScrollY != 0) {
+ // Compensate for overscroll
+ result += Math.abs((int) ((float) mScrollY / getHeight() * rowCount * 100));
+ }
+ return result;
}
}