When titlebar's visible height changed, it means the

WebKit viewsize need to be updated.

Fix http://b/issue?id=2470621

1 files changed, 6 insertions, 1 deletions

diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 10d8e2992998..577249767de5 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -4081,9 +4081,14 @@ public class WebView extends AbsoluteLayout
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
         sendOurVisibleRect();
+        // update WebKit if visible title bar height changed. The logic is same
+        // as getVisibleTitleHeight.
+        int titleHeight = getTitleHeight();
+        if (Math.max(titleHeight - t, 0) != Math.max(titleHeight - oldt, 0)) {
+            sendViewSizeZoom();
+        }
     }
 
-
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         boolean dispatch = true;