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-rw-r--r--Source/WebKit/android/nav/WebView.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/Source/WebKit/android/nav/WebView.cpp b/Source/WebKit/android/nav/WebView.cpp
index 8b6d5f0..7fa3eae 100644
--- a/Source/WebKit/android/nav/WebView.cpp
+++ b/Source/WebKit/android/nav/WebView.cpp
@@ -740,6 +740,20 @@ bool isHandleLeft(SelectText::HandleId handleId)
return (selectText->getHandleType(handleId) == SelectText::LeftHandle);
}
+bool isPointVisible(int layerId, int contentX, int contentY)
+{
+ bool isVisible = true;
+ const TransformationMatrix* transform = getLayerTransform(layerId);
+ if (transform) {
+ // layer is guaranteed to be non-NULL because of getLayerTransform
+ LayerAndroid* layer = m_baseLayer->findById(layerId);
+ IntRect rect = layer->visibleContentArea();
+ rect = transform->mapRect(rect);
+ isVisible = rect.contains(contentX, contentY);
+ }
+ return isVisible;
+}
+
private: // local state for WebView
bool m_isDrawingPaused;
// private to getFrameCache(); other functions operate in a different thread
@@ -1304,6 +1318,13 @@ static bool nativeIsHandleLeft(JNIEnv *env, jobject obj, jint nativeView,
return webview->isHandleLeft(static_cast<SelectText::HandleId>(handleId));
}
+static bool nativeIsPointVisible(JNIEnv *env, jobject obj, jint nativeView,
+ jint layerId, jint contentX, jint contentY)
+{
+ WebView* webview = reinterpret_cast<WebView*>(nativeView);
+ return webview->isPointVisible(layerId, contentX, contentY);
+}
+
/*
* JNI registration
*/
@@ -1384,6 +1405,8 @@ static JNINativeMethod gJavaWebViewMethods[] = {
(void*) nativeFindMaxVisibleRect },
{ "nativeIsHandleLeft", "(II)Z",
(void*) nativeIsHandleLeft },
+ { "nativeIsPointVisible", "(IIII)Z",
+ (void*) nativeIsPointVisible },
};
int registerWebView(JNIEnv* env)