static void paintLayers(PaintLayer& layer, SimDisplayItemList& displayList)
{
if (layer.isAllowedToQueryCompositingState() && layer.compositingState() == PaintsIntoOwnBacking) {
CompositedLayerMapping* mapping = layer.compositedLayerMapping();
GraphicsLayer* graphicsLayer = mapping->mainGraphicsLayer();
if (graphicsLayer->hasTrackedPaintInvalidations()) {
ContentLayerDelegate* delegate = graphicsLayer->contentLayerDelegateForTesting();
delegate->paintContents(&displayList, WebRect(0, 0, layer.size().width(), layer.size().height()));
graphicsLayer->resetTrackedPaintInvalidations();
}
}
for (PaintLayer* child = layer.firstChild(); child; child = child->nextSibling())
paintLayers(*child, displayList);
}
void InspectorLayerTreeAgent::didPaint(RenderObject* renderer, GraphicsContext*, const LayoutRect& rect)
{
RenderLayer* renderLayer = toRenderLayerModelObject(renderer)->layer();
CompositedLayerMapping* compositedLayerMapping = renderLayer->compositedLayerMapping();
// Should only happen for FrameView paints when compositing is off. Consider different instrumentation method for that.
if (!compositedLayerMapping)
return;
GraphicsLayer* graphicsLayer = compositedLayerMapping->mainGraphicsLayer();
RefPtr<TypeBuilder::DOM::Rect> domRect = TypeBuilder::DOM::Rect::create()
.setX(rect.x())
.setY(rect.y())
.setWidth(rect.width())
.setHeight(rect.height());
m_frontend->layerPainted(idForLayer(graphicsLayer), domRect.release());
}
static WebLayer* webLayerFromElement(Element* element)
{
if (!element)
return 0;
LayoutObject* layoutObject = element->layoutObject();
if (!layoutObject || !layoutObject->isBoxModelObject())
return 0;
PaintLayer* layer = toLayoutBoxModelObject(layoutObject)->layer();
if (!layer)
return 0;
if (!layer->hasCompositedLayerMapping())
return 0;
CompositedLayerMapping* compositedLayerMapping = layer->compositedLayerMapping();
GraphicsLayer* graphicsLayer = compositedLayerMapping->mainGraphicsLayer();
if (!graphicsLayer)
return 0;
return graphicsLayer->platformLayer();
}
static WebLayer* webLayerFromElement(Element* element) {
CompositedLayerMapping* compositedLayerMapping = mappingFromElement(element);
if (!compositedLayerMapping)
return nullptr;
return webLayerFromGraphicsLayer(compositedLayerMapping->mainGraphicsLayer());
}
