text: /*
   * Copyright (C) 2010 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.
   *     * 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.
   *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
   * OWNER OR 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.
   */
  
  #ifndef WebDevToolsAgentImpl_h
  #define WebDevToolsAgentImpl_h
  
  #include "core/inspector/InspectorPageAgent.h"
  #include "core/inspector/InspectorSession.h"
  #include "core/inspector/InspectorTracingAgent.h"
  #include "platform/heap/Handle.h"
  #include "public/platform/WebSize.h"
  #include "public/platform/WebThread.h"
  #include "public/web/WebDevToolsAgent.h"
  #include "web/InspectorEmulationAgent.h"
  #include "wtf/Forward.h"
  #include "wtf/Vector.h"
  #include <memory>
  
  namespace blink {
  
  class GraphicsLayer;
  class InspectedFrames;
  class InspectorOverlay;
  class InspectorResourceContainer;
  class InspectorResourceContentLoader;
  class LocalFrame;
  class Page;
  class PlatformGestureEvent;
  class PlatformKeyboardEvent;
  class PlatformMouseEvent;
  class PlatformTouchEvent;
  class WebDevToolsAgentClient;
  class WebFrameWidgetImpl;
  class WebInputEvent;
  class WebLayerTreeView;
  class WebLocalFrameImpl;
  class WebString;
  class WebViewImpl;
  
  namespace protocol {
  class Value;
  }
  
  class WebDevToolsAgentImpl final
      : public GarbageCollectedFinalized<WebDevToolsAgentImpl>
      , public WebDevToolsAgent
      , public InspectorEmulationAgent::Client
      , public InspectorTracingAgent::Client
      , public InspectorPageAgent::Client
      , public InspectorSession::Client
      , private WebThread::TaskObserver {
  public:
      static WebDevToolsAgentImpl* create(WebLocalFrameImpl*, WebDevToolsAgentClient*);
      ~WebDevToolsAgentImpl() override;
      DECLARE_VIRTUAL_TRACE();
  
      void willBeDestroyed();
      WebDevToolsAgentClient* client() { return m_client; }
      InspectorOverlay* overlay() const { return m_overlay.get(); }
      void flushProtocolNotifications();
      static void webViewImplClosed(WebViewImpl*);
      static void webFrameWidgetImplClosed(WebFrameWidgetImpl*);
  
      // Instrumentation from web/ layer.
      void didCommitLoadForLocalFrame(LocalFrame*);
      bool screencastEnabled();
      void willAddPageOverlay(const GraphicsLayer*);
      void didRemovePageOverlay(const GraphicsLayer*);
      void layerTreeViewChanged(WebLayerTreeView*);
  
      // WebDevToolsAgent implementation.
      void attach(const WebString& hostId, int sessionId) override;
      void reattach(const WebString& hostId, int sessionId, const WebString& savedState) override;
      void detach() override;
      void continueProgram() override;
      void dispatchOnInspectorBackend(int sessionId, int callId, const WebString& method, const WebString& message) override;
      void inspectElementAt(const WebPoint&) override;
      void failedToRequestDevTools() override;
      WebString evaluateInWebInspectorOverlay(const WebString& script) override;
  
  private:
      WebDevToolsAgentImpl(WebLocalFrameImpl*, WebDevToolsAgentClient*, InspectorOverlay*, bool includeViewAgents);
  
      // InspectorTracingAgent::Client implementation.
      void enableTracing(const WTF::String& categoryFilter) override;
      void disableTracing() override;
  
      // InspectorEmulationAgent::Client implementation.
      void setCPUThrottlingRate(double) override;
  
      // InspectorPageAgent::Client implementation.
      void pageLayoutInvalidated(bool resized) override;
      void setPausedInDebuggerMessage(const String&) override;
      void waitForCreateWindow(LocalFrame*) override;
  
      // InspectorSession::Client implementation.
      void sendProtocolMessage(int sessionId, int callId, const String& response, const String& state) override;
      void resumeStartup() override;
      void profilingStarted() override;
      void profilingStopped() override;
      void consoleCleared() override;
  
      // WebThread::TaskObserver implementation.
      void willProcessTask() override;
      void didProcessTask() override;
  
      void initializeSession(int sessionId, const String& hostId, String* state);
      void destroySession();
      void dispatchMessageFromFrontend(int sessionId, const String& method, const String& message);
  
      friend class WebDevToolsAgent;
      static void runDebuggerTask(int sessionId, std::unique_ptr<WebDevToolsAgent::MessageDescriptor>);
  
      bool attached() const { return m_session.get(); }
  
      WebDevToolsAgentClient* m_client;
      Member<WebLocalFrameImpl> m_webLocalFrameImpl;
  
      Member<InstrumentingAgents> m_instrumentingAgents;
      Member<InspectorResourceContentLoader> m_resourceContentLoader;
      Member<InspectorOverlay> m_overlay;
      Member<InspectedFrames> m_inspectedFrames;
      Member<InspectorResourceContainer> m_resourceContainer;
  
      Member<InspectorDOMAgent> m_domAgent;
      Member<InspectorPageAgent> m_pageAgent;
      Member<InspectorNetworkAgent> m_networkAgent;
      Member<InspectorLayerTreeAgent> m_layerTreeAgent;
      Member<InspectorTracingAgent> m_tracingAgent;
  
      Member<InspectorSession> m_session;
      bool m_includeViewAgents;
      int m_layerTreeId;
  };
  
  } // namespace blink
  
  #endif
  