diff options
| -rw-r--r-- | core/java/android/webkit/WebView.java | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java index 2e498dc..be475ca 100644 --- a/core/java/android/webkit/WebView.java +++ b/core/java/android/webkit/WebView.java @@ -314,6 +314,17 @@ public class WebView extends AbsoluteLayout implements ViewTreeObserver.OnGlobalFocusChangeListener, ViewGroup.OnHierarchyChangeListener { + private class InnerGlobalLayoutListener implements ViewTreeObserver.OnGlobalLayoutListener { + public void onGlobalLayout() { + if (isShown()) { + setGLRectViewport(); + } + } + } + + // The listener to capture global layout change event. + private InnerGlobalLayoutListener mListener = null; + // if AUTO_REDRAW_HACK is true, then the CALL key will toggle redrawing // the screen all-the-time. Good for profiling our drawing code static private final boolean AUTO_REDRAW_HACK = false; @@ -4689,6 +4700,11 @@ public class WebView extends AbsoluteLayout protected void onAttachedToWindow() { super.onAttachedToWindow(); if (hasWindowFocus()) setActive(true); + final ViewTreeObserver treeObserver = getViewTreeObserver(); + if (treeObserver != null && mListener == null) { + mListener = new InnerGlobalLayoutListener(); + treeObserver.addOnGlobalLayoutListener(mListener); + } } @Override @@ -4696,6 +4712,13 @@ public class WebView extends AbsoluteLayout clearHelpers(); mZoomManager.dismissZoomPicker(); if (hasWindowFocus()) setActive(false); + + final ViewTreeObserver treeObserver = getViewTreeObserver(); + if (treeObserver != null && mListener != null) { + treeObserver.removeGlobalOnLayoutListener(mListener); + mListener = null; + } + super.onDetachedFromWindow(); } |