本文整理汇总了C++中GraphicsLayer::scrollableArea方法的典型用法代码示例。如果您正苦于以下问题：C++ GraphicsLayer::scrollableArea方法的具体用法？C++ GraphicsLayer::scrollableArea怎么用？C++ GraphicsLayer::scrollableArea使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GraphicsLayer的用法示例。
在下文中一共展示了GraphicsLayer::scrollableArea方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: registerMockedHttpURLLoad
TEST_F(ScrollingCoordinatorTest, overflowHidden)
{
registerMockedHttpURLLoad("overflow-hidden.html");
navigateTo(m_baseURL + "overflow-hidden.html");
forceFullCompositingUpdate();
// Verify the properties of the accelerated scrolling element starting from the LayoutObject
// all the way to the WebLayer.
Element* overflowElement = frame()->document()->getElementById("unscrollable-y");
ASSERT(overflowElement);
LayoutObject* layoutObject = overflowElement->layoutObject();
ASSERT_TRUE(layoutObject->isBox());
ASSERT_TRUE(layoutObject->hasLayer());
LayoutBox* box = toLayoutBox(layoutObject);
ASSERT_TRUE(box->usesCompositedScrolling());
ASSERT_EQ(PaintsIntoOwnBacking, box->layer()->compositingState());
CompositedLayerMapping* compositedLayerMapping = box->layer()->compositedLayerMapping();
ASSERT_TRUE(compositedLayerMapping->hasScrollingLayer());
ASSERT(compositedLayerMapping->scrollingContentsLayer());
GraphicsLayer* graphicsLayer = compositedLayerMapping->scrollingContentsLayer();
ASSERT_EQ(box->layer()->scrollableArea(), graphicsLayer->scrollableArea());
WebLayer* webScrollLayer = compositedLayerMapping->scrollingContentsLayer()->platformLayer();
ASSERT_TRUE(webScrollLayer->scrollable());
ASSERT_TRUE(webScrollLayer->userScrollableHorizontal());
ASSERT_FALSE(webScrollLayer->userScrollableVertical());
overflowElement = frame()->document()->getElementById("unscrollable-x");
ASSERT(overflowElement);
layoutObject = overflowElement->layoutObject();
ASSERT_TRUE(layoutObject->isBox());
ASSERT_TRUE(layoutObject->hasLayer());
box = toLayoutBox(layoutObject);
ASSERT_TRUE(box->scrollableArea()->usesCompositedScrolling());
ASSERT_EQ(PaintsIntoOwnBacking, box->layer()->compositingState());
compositedLayerMapping = box->layer()->compositedLayerMapping();
ASSERT_TRUE(compositedLayerMapping->hasScrollingLayer());
ASSERT(compositedLayerMapping->scrollingContentsLayer());
graphicsLayer = compositedLayerMapping->scrollingContentsLayer();
ASSERT_EQ(box->layer()->scrollableArea(), graphicsLayer->scrollableArea());
webScrollLayer = compositedLayerMapping->scrollingContentsLayer()->platformLayer();
ASSERT_TRUE(webScrollLayer->scrollable());
ASSERT_FALSE(webScrollLayer->userScrollableHorizontal());
ASSERT_TRUE(webScrollLayer->userScrollableVertical());
}