void RenderLayerScrollableArea::updateCompositingLayersAfterScroll()
{
RenderLayerCompositor* compositor = box().view()->compositor();
if (compositor->inCompositingMode()) {
layer()->setNeedsCompositingInputsUpdate();
}
}
WebLayer* getRootScrollLayer()
{
RenderLayerCompositor* compositor = m_webViewImpl->mainFrameImpl()->frame()->contentRenderer()->compositor();
ASSERT(compositor);
ASSERT(compositor->scrollLayer());
WebLayer* webScrollLayer = static_cast<WebLayer*>(compositor->scrollLayer()->platformLayer());
return webScrollLayer;
}
PassRefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > InspectorLayerTreeAgent::buildLayerTree()
{
RenderLayerCompositor* compositor = renderLayerCompositor();
if (!compositor || !compositor->inCompositingMode())
return 0;
LayerIdToNodeIdMap layerIdToNodeIdMap;
RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > layers = TypeBuilder::Array<TypeBuilder::LayerTree::Layer>::create();
buildLayerIdToNodeIdMap(compositor->rootRenderLayer(), layerIdToNodeIdMap);
gatherGraphicsLayers(compositor->rootGraphicsLayer(), layerIdToNodeIdMap, layers);
return layers.release();
}
GraphicsLayer* InspectorLayerTreeAgent::layerById(ErrorString* errorString, const String& layerId)
{
bool ok;
int id = layerId.toInt(&ok);
if (!ok) {
*errorString = "Invalid layer id";
return 0;
}
RenderLayerCompositor* compositor = renderLayerCompositor();
if (!compositor)
return 0;
GraphicsLayer* result = findLayerById(compositor->rootGraphicsLayer(), id);
if (!result)
*errorString = "No layer matching given id found";
return result;
}
void PinchViewport::registerLayersWithTreeView(WebLayerTreeView* layerTreeView) const
{
ASSERT(layerTreeView);
ASSERT(m_frameHost.page().mainFrame());
ASSERT(m_frameHost.page().mainFrame()->contentRenderer());
RenderLayerCompositor* compositor = m_frameHost.page().mainFrame()->contentRenderer()->compositor();
// Get the outer viewport scroll layer.
WebLayer* scrollLayer = compositor->scrollLayer()->platformLayer();
m_webOverlayScrollbarHorizontal->setScrollLayer(scrollLayer);
m_webOverlayScrollbarVertical->setScrollLayer(scrollLayer);
ASSERT(compositor);
layerTreeView->registerViewportLayers(
m_pageScaleLayer->platformLayer(),
m_innerViewportScrollLayer->platformLayer(),
scrollLayer);
}
