DevTools: hide page overlay layers in LayerTreeAgent

Source/core/inspector/InspectorLayerTreeAgent.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 90 matching lines @@
             transformArray->addItem(flattenedMatrix[i]);
         layerObject->setTransform(transformArray);
         const FloatPoint3D& anchor = graphicsLayer->anchorPoint();
         layerObject->setAnchorX(anchor.x());
         layerObject->setAnchorY(anchor.y());
         layerObject->setAnchorZ(anchor.z());
     }
     return layerObject;
 }
 
-void gatherGraphicsLayers(GraphicsLayer* root, HashMap<int, int>& layerIdToNodeIdMap, RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> >& layers)
-{
-    int layerId = root->platformLayer()->id();
-    layers->addItem(buildObjectForLayer(root, layerIdToNodeIdMap.get(layerId)));
-    if (GraphicsLayer* replica = root->replicaLayer())
-        gatherGraphicsLayers(replica, layerIdToNodeIdMap, layers);
-    for (size_t i = 0, size = root->children().size(); i < size; ++i)
-        gatherGraphicsLayers(root->children()[i], layerIdToNodeIdMap, layers);
-}
-
 InspectorLayerTreeAgent::InspectorLayerTreeAgent(InspectorDOMAgent* domAgent, Page* page)
     : InspectorBaseAgent<InspectorLayerTreeAgent>("LayerTree")
     , m_frontend(0)
     , m_page(page)
     , m_domAgent(domAgent)
 {
 }
 
 InspectorLayerTreeAgent::~InspectorLayerTreeAgent()
 {
@@ skipping 72 matching lines @@
         buildLayerIdToNodeIdMap(child, layerIdToNodeIdMap);
     if (!root->renderer()->isRenderIFrame())
         return;
     FrameView* childFrameView = toFrameView(toRenderWidget(root->renderer())->widget());
     if (RenderView* childRenderView = childFrameView->renderView()) {
         if (RenderLayerCompositor* childCompositor = childRenderView->compositor())
             buildLayerIdToNodeIdMap(childCompositor->rootRenderLayer(), layerIdToNodeIdMap);
     }
 }
 
+void InspectorLayerTreeAgent::gatherGraphicsLayers(GraphicsLayer* root, HashMap<int, int>& layerIdToNodeIdMap, RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> >& layers)
+{
+    int layerId = root->platformLayer()->id();
+    if (m_pageOverlayLayerIds.find(layerId) != WTF::kNotFound)
+        return;
+    layers->addItem(buildObjectForLayer(root, layerIdToNodeIdMap.get(layerId)));
+    if (GraphicsLayer* replica = root->replicaLayer())
+        gatherGraphicsLayers(replica, layerIdToNodeIdMap, layers);
+    for (size_t i = 0, size = root->children().size(); i < size; ++i)
+        gatherGraphicsLayers(root->children()[i], layerIdToNodeIdMap, layers);
+}
+
 int InspectorLayerTreeAgent::idForNode(Node* node)
 {
     int nodeId = m_domAgent->boundNodeId(node);
     if (!nodeId) {
         ErrorString ignoredError;
         nodeId = m_domAgent->pushNodeToFrontend(&ignoredError, m_domAgent->boundNodeId(&node->document()), node);
     }
     return nodeId;
 }
 
@@ skipping 152 matching lines @@
     outTimings = TypeBuilder::Array<TypeBuilder::Array<double> >::create();
     for (size_t i = 0; i < timings->size(); ++i) {
         const Vector<double>& row = (*timings)[i];
         RefPtr<TypeBuilder::Array<double> > outRow = TypeBuilder::Array<double>::create();
         for (size_t j = 1; j < row.size(); ++j)
             outRow->addItem(row[j] - row[j - 1]);
         outTimings->addItem(outRow.release());
     }
 }
 
+void InspectorLayerTreeAgent::willAddPageOverlay(const GraphicsLayer* layer)
+{
+    m_pageOverlayLayerIds.append(layer->platformLayer()->id());
+}
+
+void InspectorLayerTreeAgent::didRemovePageOverlay(const GraphicsLayer* layer)
+{
+    size_t index = m_pageOverlayLayerIds.find(layer->platformLayer()->id());
+    if (index == WTF::kNotFound)
+        return;
+    m_pageOverlayLayerIds.remove(index);
+}
+
+
 } // namespace WebCore