Ejemplos de GraphicsLayerChromium::scrollableArea en C++ (Cpp)

Ejemplo n.º 1

TEST_F(ScrollingCoordinatorChromiumTest, touchOverflowScrolling)
{
    registerMockedHttpURLLoad("touch-overflow-scrolling.html");
    navigateTo(m_baseURL + "touch-overflow-scrolling.html");

    // Verify the properties of the accelerated scrolling element starting from the RenderObject
    // all the way to the WebLayer.
    Element* scrollableElement = m_webViewImpl->mainFrameImpl()->frame()->document()->getElementById("scrollable");
    ASSERT(scrollableElement);

    RenderObject* renderer = scrollableElement->renderer();
    ASSERT_TRUE(renderer->isBoxModelObject());
    ASSERT_TRUE(renderer->hasLayer());

    RenderLayer* layer = toRenderBoxModelObject(renderer)->layer();
    ASSERT_TRUE(layer->usesCompositedScrolling());
    ASSERT_TRUE(layer->isComposited());

    RenderLayerBacking* layerBacking = layer->backing();
    ASSERT_TRUE(layerBacking->hasScrollingLayer());
    ASSERT(layerBacking->scrollingContentsLayer());

    GraphicsLayerChromium* graphicsLayerChromium = static_cast<GraphicsLayerChromium*>(layerBacking->scrollingContentsLayer());
    ASSERT_EQ(layer, graphicsLayerChromium->scrollableArea());

    WebLayer* webScrollLayer = static_cast<WebLayer*>(layerBacking->scrollingContentsLayer()->platformLayer());
    ASSERT_TRUE(webScrollLayer->scrollable());
}