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/*
* Copyright (C) 2012, 2015 Apple 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "InspectorWebAgentBase.h"
#include <JavaScriptCore/InspectorBackendDispatchers.h>
#include <JavaScriptCore/InspectorFrontendDispatchers.h>
#include <JavaScriptCore/InspectorProtocolObjects.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakHashMap.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class IntRect;
class Node;
class PseudoElement;
class RenderElement;
class RenderLayer;
class WeakPtrImplWithEventTargetData;
class InspectorLayerTreeAgent final : public InspectorAgentBase, public Inspector::LayerTreeBackendDispatcherHandler {
WTF_MAKE_NONCOPYABLE(InspectorLayerTreeAgent);
WTF_MAKE_TZONE_ALLOCATED(InspectorLayerTreeAgent);
public:
InspectorLayerTreeAgent(WebAgentContext&);
~InspectorLayerTreeAgent();
// InspectorAgentBase
void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*);
void willDestroyFrontendAndBackend(Inspector::DisconnectReason);
// LayerTreeBackendDispatcherHandler
Inspector::Protocol::ErrorStringOr<void> enable();
Inspector::Protocol::ErrorStringOr<void> disable();
Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::LayerTree::Layer>>> layersForNode(Inspector::Protocol::DOM::NodeId);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::LayerTree::CompositingReasons>> reasonsForCompositingLayer(const Inspector::Protocol::LayerTree::LayerId&);
// InspectorInstrumentation
void layerTreeDidChange();
void renderLayerDestroyed(const RenderLayer&);
void pseudoElementDestroyed(PseudoElement&);
void reset();
private:
// RenderLayer-related methods.
String bind(const RenderLayer*);
void unbind(const RenderLayer*);
void gatherLayersUsingRenderObjectHierarchy(RenderElement&, JSON::ArrayOf<Inspector::Protocol::LayerTree::Layer>&);
void gatherLayersUsingRenderLayerHierarchy(RenderLayer*, JSON::ArrayOf<Inspector::Protocol::LayerTree::Layer>&);
Ref<Inspector::Protocol::LayerTree::Layer> buildObjectForLayer(RenderLayer*);
Ref<Inspector::Protocol::LayerTree::IntRect> buildObjectForIntRect(const IntRect&);
Inspector::Protocol::DOM::NodeId idForNode(Node*);
String bindPseudoElement(PseudoElement*);
void unbindPseudoElement(PseudoElement*);
std::unique_ptr<Inspector::LayerTreeFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::LayerTreeBackendDispatcher> m_backendDispatcher;
HashMap<const RenderLayer*, Inspector::Protocol::LayerTree::LayerId> m_documentLayerToIdMap;
HashMap<Inspector::Protocol::LayerTree::LayerId, const RenderLayer*> m_idToLayer;
WeakHashMap<PseudoElement, Inspector::Protocol::LayerTree::PseudoElementId, WeakPtrImplWithEventTargetData> m_pseudoElementToIdMap;
HashMap<Inspector::Protocol::LayerTree::PseudoElementId, WeakPtr<PseudoElement, WeakPtrImplWithEventTargetData>> m_idToPseudoElement;
bool m_suppressLayerChangeEvents { false };
};
} // namespace WebCore
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