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
}
WebLayer* getRootScrollLayer() {
if (RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
DCHECK(frame());
DCHECK(frame()->view());
DCHECK(frame()->view()->layoutViewportScrollableArea());
DCHECK(
frame()->view()->layoutViewportScrollableArea()->layerForScrolling());
return frame()
->view()
->layoutViewportScrollableArea()
->layerForScrolling()
->platformLayer();
}
PaintLayerCompositor* compositor =
frame()->contentLayoutItem().compositor();
DCHECK(compositor);
DCHECK(compositor->scrollLayer());
WebLayer* webScrollLayer = compositor->scrollLayer()->platformLayer();
return webScrollLayer;
}
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);
}
void VisualViewport::registerLayersWithTreeView(WebLayerTreeView* layerTreeView) const
{
TRACE_EVENT0("blink", "VisualViewport::registerLayersWithTreeView");
ASSERT(layerTreeView);
if (!mainFrame())
return;
ASSERT(frameHost().page().deprecatedLocalMainFrame()->contentLayoutObject());
PaintLayerCompositor* compositor = frameHost().page().deprecatedLocalMainFrame()->contentLayoutObject()->compositor();
// Get the outer viewport scroll layer.
WebLayer* scrollLayer = compositor->scrollLayer() ? compositor->scrollLayer()->platformLayer() : 0;
m_webOverlayScrollbarHorizontal->setScrollLayer(scrollLayer);
m_webOverlayScrollbarVertical->setScrollLayer(scrollLayer);
ASSERT(compositor);
layerTreeView->registerViewportLayers(
m_overscrollElasticityLayer->platformLayer(),
m_pageScaleLayer->platformLayer(),
m_innerViewportScrollLayer->platformLayer(),
scrollLayer);
}
