void PaintLayerCompositor::attachRootLayer(RootLayerAttachment attachment)
{
if (!m_rootContentLayer)
return;
// In Slimming Paint v2, PaintArtifactCompositor is responsible for the root
// layer.
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled())
return;
switch (attachment) {
case RootLayerUnattached:
ASSERT_NOT_REACHED();
break;
case RootLayerAttachedViaChromeClient: {
LocalFrame& frame = m_layoutView.frameView()->frame();
Page* page = frame.page();
if (!page)
return;
page->chromeClient().attachRootGraphicsLayer(rootGraphicsLayer(), &frame);
break;
}
case RootLayerAttachedViaEnclosingFrame: {
HTMLFrameOwnerElement* ownerElement = m_layoutView.document().ownerElement();
ASSERT(ownerElement);
// The layer will get hooked up via CompositedLayerMapping::updateGraphicsLayerConfiguration()
// for the frame's layoutObject in the parent document.
ownerElement->setNeedsCompositingUpdate();
break;
}
}
m_rootLayerAttachment = attachment;
}
PassRefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > InspectorLayerTreeAgent::buildLayerTree()
{
PaintLayerCompositor* compositor = paintLayerCompositor();
if (!compositor || !compositor->inCompositingMode())
return nullptr;
LayerIdToNodeIdMap layerIdToNodeIdMap;
RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> > layers = TypeBuilder::Array<TypeBuilder::LayerTree::Layer>::create();
buildLayerIdToNodeIdMap(compositor->rootLayer(), layerIdToNodeIdMap);
gatherGraphicsLayers(rootGraphicsLayer(), layerIdToNodeIdMap, layers);
return layers.release();
}
String PaintLayerCompositor::layerTreeAsText(LayerTreeFlags flags)
{
ASSERT(lifecycle().state() >= DocumentLifecycle::PaintInvalidationClean || m_layoutView.frameView()->shouldThrottleRendering());
if (!m_rootContentLayer)
return String();
// We skip dumping the scroll and clip layers to keep layerTreeAsText output
// similar between platforms (unless we explicitly request dumping from the
// root.
GraphicsLayer* rootLayer = m_rootContentLayer.get();
if (flags & LayerTreeIncludesRootLayer)
rootLayer = rootGraphicsLayer();
return rootLayer->layerTreeAsText(flags);
}
GraphicsLayer* InspectorLayerTreeAgent::layerById(ErrorString* errorString, const String& layerId)
{
bool ok;
int id = layerId.toInt(&ok);
if (!ok) {
*errorString = "Invalid layer id";
return nullptr;
}
PaintLayerCompositor* compositor = paintLayerCompositor();
if (!compositor) {
*errorString = "Not in compositing mode";
return nullptr;
}
GraphicsLayer* result = findLayerById(rootGraphicsLayer(), id);
if (!result)
*errorString = "No layer matching given id found";
return result;
}
void PaintLayerCompositor::resetTrackedPaintInvalidationRects()
{
if (GraphicsLayer* rootLayer = rootGraphicsLayer())
resetTrackedPaintInvalidationRectsRecursive(rootLayer);
}
