Merge "Fix artifact with clipped webview content" into honeycomb
diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index e26fd6f..3ddeffd 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -350,6 +350,7 @@
private ZoomManager mZoomManager;
private Rect mGLRectViewport = new Rect();
+ private boolean mGLViewportEmpty = false;
/**
* Transportation object for returning WebView across thread boundaries.
@@ -4075,7 +4076,8 @@
}
if (canvas.isHardwareAccelerated()) {
- int functor = nativeGetDrawGLFunction(mGLRectViewport, getScale(), extras);
+ int functor = nativeGetDrawGLFunction(mGLViewportEmpty ? null : mGLRectViewport,
+ getScale(), extras);
((HardwareCanvas) canvas).callDrawGLFunction(functor);
} else {
DrawFilter df = null;
@@ -5159,16 +5161,21 @@
void setGLRectViewport() {
// Use the getGlobalVisibleRect() to get the intersection among the parents
- getGlobalVisibleRect(mGLRectViewport);
-
- // Then need to invert the Y axis, just for GL
- View rootView = getRootView();
- int rootViewHeight = rootView.getHeight();
- int savedWebViewBottom = mGLRectViewport.bottom;
- mGLRectViewport.bottom = rootViewHeight - mGLRectViewport.top - getVisibleTitleHeight();
- mGLRectViewport.top = rootViewHeight - savedWebViewBottom;
-
- nativeUpdateDrawGLFunction(mGLRectViewport);
+ // visible == false means we're clipped - send a null rect down to indicate that
+ // we should not draw
+ boolean visible = getGlobalVisibleRect(mGLRectViewport);
+ if (visible) {
+ // Then need to invert the Y axis, just for GL
+ View rootView = getRootView();
+ int rootViewHeight = rootView.getHeight();
+ int savedWebViewBottom = mGLRectViewport.bottom;
+ mGLRectViewport.bottom = rootViewHeight - mGLRectViewport.top - getVisibleTitleHeight();
+ mGLRectViewport.top = rootViewHeight - savedWebViewBottom;
+ mGLViewportEmpty = false;
+ } else {
+ mGLViewportEmpty = true;
+ }
+ nativeUpdateDrawGLFunction(mGLViewportEmpty ? null : mGLRectViewport);
}
/**