Correctly invalidate the tabs when scrolling them.
Bug #3398549
Change-Id: I577dc5ec1a60040c427c676661f0610daf27a952
diff --git a/src/com/android/browser/TabScrollView.java b/src/com/android/browser/TabScrollView.java
index 09dddee..d0648b7 100644
--- a/src/com/android/browser/TabScrollView.java
+++ b/src/com/android/browser/TabScrollView.java
@@ -28,7 +28,6 @@
*/
public class TabScrollView extends HorizontalScrollView {
- private Context mContext;
private LinearLayout mContentView;
private int mSelected;
private int mAnimationDuration;
@@ -62,13 +61,12 @@
}
private void init(Context ctx) {
- mContext = ctx;
mAnimationDuration = ctx.getResources().getInteger(
R.integer.tab_animation_duration);
mTabOverlap = (int) ctx.getResources().getDimension(R.dimen.tab_overlap);
setHorizontalScrollBarEnabled(false);
setOverScrollMode(OVER_SCROLL_NEVER);
- mContentView = new TabLayout(mContext);
+ mContentView = new TabLayout(ctx);
mContentView.setOrientation(LinearLayout.HORIZONTAL);
mContentView.setLayoutParams(
new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));
@@ -189,6 +187,21 @@
return getScrollX();
}
+ @Override
+ protected void onScrollChanged(int l, int t, int oldl, int oldt) {
+ super.onScrollChanged(l, t, oldl, oldt);
+
+ // TabViews base their drawing based on their absolute position within the
+ // window. When hardware accelerated, we need to recreate their display list
+ // when they scroll
+ if (isHardwareAccelerated()) {
+ int count = mContentView.getChildCount();
+ for (int i = 0; i < count; i++) {
+ mContentView.getChildAt(i).invalidate();
+ }
+ }
+ }
+
class TabLayout extends LinearLayout {
public TabLayout(Context context) {