PassRefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > InspectorLayerTreeAgent::buildLayerTree()
{
PaintLayerCompositor* compositor = paintLayerCompositor();
if (!compositor || !compositor->inCompositingMode())
return nullptr;
LayerIdToNodeIdMap layerIdToNodeIdMap;
RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > layers = TypeBuilder::Array<TypeBuilder::LayerTree::Layer>::create();
buildLayerIdToNodeIdMap(compositor->rootLayer(), layerIdToNodeIdMap);
gatherGraphicsLayers(rootGraphicsLayer(), layerIdToNodeIdMap, layers);
return layers.release();
}
TEST_F(ScrollingCoordinatorTest, iframeScrolling)
{
registerMockedHttpURLLoad("iframe-scrolling.html");
registerMockedHttpURLLoad("iframe-scrolling-inner.html");
navigateTo(m_baseURL + "iframe-scrolling.html");
forceFullCompositingUpdate();
// Verify the properties of the accelerated scrolling element starting from the LayoutObject
// all the way to the WebLayer.
Element* scrollableFrame = frame()->document()->getElementById("scrollable");
ASSERT_TRUE(scrollableFrame);
LayoutObject* layoutObject = scrollableFrame->layoutObject();
ASSERT_TRUE(layoutObject);
ASSERT_TRUE(layoutObject->isLayoutPart());
LayoutPart* layoutPart = toLayoutPart(layoutObject);
ASSERT_TRUE(layoutPart);
ASSERT_TRUE(layoutPart->widget());
ASSERT_TRUE(layoutPart->widget()->isFrameView());
FrameView* innerFrameView = toFrameView(layoutPart->widget());
LayoutView* innerLayoutView = innerFrameView->layoutView();
ASSERT_TRUE(innerLayoutView);
PaintLayerCompositor* innerCompositor = innerLayoutView->compositor();
ASSERT_TRUE(innerCompositor->inCompositingMode());
ASSERT_TRUE(innerCompositor->scrollLayer());
GraphicsLayer* scrollLayer = innerCompositor->scrollLayer();
ASSERT_EQ(innerFrameView, scrollLayer->scrollableArea());
WebLayer* webScrollLayer = scrollLayer->platformLayer();
ASSERT_TRUE(webScrollLayer->scrollable());
#if OS(ANDROID)
// Now verify we've attached impl-side scrollbars onto the scrollbar layers
ASSERT_TRUE(innerCompositor->layerForHorizontalScrollbar());
ASSERT_TRUE(innerCompositor->layerForHorizontalScrollbar()->hasContentsLayer());
ASSERT_TRUE(innerCompositor->layerForVerticalScrollbar());
ASSERT_TRUE(innerCompositor->layerForVerticalScrollbar()->hasContentsLayer());
#endif
}
TEST_F(ScrollingCoordinatorTest, rtlIframe)
{
registerMockedHttpURLLoad("rtl-iframe.html");
registerMockedHttpURLLoad("rtl-iframe-inner.html");
navigateTo(m_baseURL + "rtl-iframe.html");
forceFullCompositingUpdate();
// Verify the properties of the accelerated scrolling element starting from the LayoutObject
// all the way to the WebLayer.
Element* scrollableFrame = frame()->document()->getElementById("scrollable");
ASSERT_TRUE(scrollableFrame);
LayoutObject* layoutObject = scrollableFrame->layoutObject();
ASSERT_TRUE(layoutObject);
ASSERT_TRUE(layoutObject->isLayoutPart());
LayoutPart* layoutPart = toLayoutPart(layoutObject);
ASSERT_TRUE(layoutPart);
ASSERT_TRUE(layoutPart->widget());
ASSERT_TRUE(layoutPart->widget()->isFrameView());
FrameView* innerFrameView = toFrameView(layoutPart->widget());
LayoutView* innerLayoutView = innerFrameView->layoutView();
ASSERT_TRUE(innerLayoutView);
PaintLayerCompositor* innerCompositor = innerLayoutView->compositor();
ASSERT_TRUE(innerCompositor->inCompositingMode());
ASSERT_TRUE(innerCompositor->scrollLayer());
GraphicsLayer* scrollLayer = innerCompositor->scrollLayer();
ASSERT_EQ(innerFrameView, scrollLayer->scrollableArea());
WebLayer* webScrollLayer = scrollLayer->platformLayer();
ASSERT_TRUE(webScrollLayer->scrollable());
int expectedScrollPosition = 958 + (innerFrameView->verticalScrollbar()->isOverlayScrollbar() ? 0 : 15);
ASSERT_EQ(expectedScrollPosition, webScrollLayer->scrollPositionDouble().x);
}
std::unique_ptr<Array<protocol::LayerTree::Layer>>
InspectorLayerTreeAgent::buildLayerTree() {
PaintLayerCompositor* compositor = paintLayerCompositor();
if (!compositor || !compositor->inCompositingMode())
return nullptr;
LayerIdToNodeIdMap layerIdToNodeIdMap;
std::unique_ptr<Array<protocol::LayerTree::Layer>> layers =
Array<protocol::LayerTree::Layer>::create();
buildLayerIdToNodeIdMap(compositor->rootLayer(), layerIdToNodeIdMap);
int scrollingLayerId = m_inspectedFrames->root()
->view()
->layerForScrolling()
->platformLayer()
->id();
bool haveBlockingWheelEventHandlers =
m_inspectedFrames->root()->chromeClient().eventListenerProperties(
WebEventListenerClass::MouseWheel) ==
WebEventListenerProperties::Blocking;
gatherGraphicsLayers(rootGraphicsLayer(), layerIdToNodeIdMap, layers,
haveBlockingWheelEventHandlers, scrollingLayerId);
return layers;
}
