void InspectorLayerTreeAgent::gatherLayersUsingRenderObjectHierarchy(ErrorString* errorString, RenderObject* renderer, RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> >& layers)
{
if (renderer->hasLayer()) {
gatherLayersUsingRenderLayerHierarchy(errorString, toRenderLayerModelObject(renderer)->layer(), layers);
return;
}
for (renderer = renderer->firstChildSlow(); renderer; renderer = renderer->nextSibling())
gatherLayersUsingRenderObjectHierarchy(errorString, renderer, layers);
}
void InspectorLayerTreeAgent::gatherLayersUsingRenderObjectHierarchy(ErrorString& errorString, RenderObject* renderer, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::LayerTree::Layer>>& layers)
{
if (renderer->hasLayer()) {
gatherLayersUsingRenderLayerHierarchy(errorString, downcast<RenderLayerModelObject>(*renderer).layer(), layers);
return;
}
for (renderer = renderer->firstChildSlow(); renderer; renderer = renderer->nextSibling())
gatherLayersUsingRenderObjectHierarchy(errorString, renderer, layers);
}
void InspectorLayerTreeAgent::layersForNode(ErrorString* errorString, int nodeId, RefPtr<TypeBuilder::Array<TypeBuilder::LayerTree::Layer> >& layers)
{
layers = TypeBuilder::Array<TypeBuilder::LayerTree::Layer>::create();
Node* node = m_instrumentingAgents->inspectorDOMAgent()->nodeForId(nodeId);
if (!node) {
*errorString = "Provided node id doesn't match any known node";
return;
}
RenderObject* renderer = node->renderer();
if (!renderer) {
*errorString = "Node for provided node id doesn't have a renderer";
return;
}
gatherLayersUsingRenderObjectHierarchy(errorString, renderer, layers);
}
void InspectorLayerTreeAgent::layersForNode(ErrorString& errorString, int nodeId, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::LayerTree::Layer>>& layers)
{
layers = Inspector::Protocol::Array<Inspector::Protocol::LayerTree::Layer>::create();
Node* node = m_instrumentingAgents.inspectorDOMAgent()->nodeForId(nodeId);
if (!node) {
errorString = ASCIILiteral("Provided node id doesn't match any known node");
return;
}
RenderObject* renderer = node->renderer();
if (!renderer) {
errorString = ASCIILiteral("Node for provided node id doesn't have a renderer");
return;
}
gatherLayersUsingRenderObjectHierarchy(errorString, renderer, layers);
}
