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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
      6 #define CONTENT_BROWSER_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
      7 
      8 #include <map>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #include "content/browser/devtools/ipc_devtools_agent_host.h"
     14 #include "content/common/content_export.h"
     15 #include "content/public/browser/notification_observer.h"
     16 #include "content/public/browser/notification_registrar.h"
     17 #include "content/public/browser/web_contents_observer.h"
     18 
     19 namespace cc {
     20 class CompositorFrameMetadata;
     21 }
     22 
     23 namespace content {
     24 
     25 class DevToolsPowerHandler;
     26 class DevToolsTracingHandler;
     27 class RendererOverridesHandler;
     28 class RenderViewHost;
     29 class RenderViewHostImpl;
     30 
     31 #if defined(OS_ANDROID)
     32 class PowerSaveBlockerImpl;
     33 #endif
     34 
     35 class CONTENT_EXPORT RenderViewDevToolsAgentHost
     36     : public IPCDevToolsAgentHost,
     37       private WebContentsObserver,
     38       public NotificationObserver {
     39  public:
     40   static void OnCancelPendingNavigation(RenderViewHost* pending,
     41                                         RenderViewHost* current);
     42 
     43   RenderViewDevToolsAgentHost(RenderViewHost*);
     44 
     45   void SynchronousSwapCompositorFrame(
     46       const cc::CompositorFrameMetadata& frame_metadata);
     47 
     48   // DevTooolsAgentHost overrides.
     49   virtual void DisconnectWebContents() OVERRIDE;
     50   virtual void ConnectWebContents(WebContents* web_contents) OVERRIDE;
     51   virtual WebContents* GetWebContents() OVERRIDE;
     52   virtual Type GetType() OVERRIDE;
     53   virtual std::string GetTitle() OVERRIDE;
     54   virtual GURL GetURL() OVERRIDE;
     55   virtual bool Activate() OVERRIDE;
     56   virtual bool Close() OVERRIDE;
     57 
     58  private:
     59   friend class DevToolsAgentHost;
     60   virtual ~RenderViewDevToolsAgentHost();
     61 
     62   // IPCDevToolsAgentHost overrides.
     63   virtual void DispatchProtocolMessage(const std::string& message) OVERRIDE;
     64   virtual void SendMessageToAgent(IPC::Message* msg) OVERRIDE;
     65   virtual void OnClientAttached() OVERRIDE;
     66   virtual void OnClientDetached() OVERRIDE;
     67 
     68   // WebContentsObserver overrides.
     69   virtual void AboutToNavigateRenderView(RenderViewHost* dest_rvh) OVERRIDE;
     70   virtual void RenderViewHostChanged(RenderViewHost* old_host,
     71                                      RenderViewHost* new_host) OVERRIDE;
     72   virtual void RenderViewDeleted(RenderViewHost* rvh) OVERRIDE;
     73   virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
     74   virtual bool OnMessageReceived(const IPC::Message& message,
     75                                  RenderFrameHost* render_frame_host) OVERRIDE;
     76   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     77   virtual void DidAttachInterstitialPage() OVERRIDE;
     78   virtual void DidDetachInterstitialPage() OVERRIDE;
     79 
     80   // NotificationObserver overrides:
     81   virtual void Observe(int type,
     82                        const NotificationSource& source,
     83                        const NotificationDetails& details) OVERRIDE;
     84 
     85   void DisconnectRenderViewHost();
     86   void ConnectRenderViewHost(RenderViewHost* rvh);
     87   void ReattachToRenderViewHost(RenderViewHost* rvh);
     88 
     89   bool DispatchIPCMessage(const IPC::Message& message);
     90 
     91   void SetRenderViewHost(RenderViewHost* rvh);
     92   void ClearRenderViewHost();
     93 
     94   void RenderViewCrashed();
     95   void OnSwapCompositorFrame(const IPC::Message& message);
     96   bool OnSetTouchEventEmulationEnabled(const IPC::Message& message);
     97 
     98   void OnDispatchOnInspectorFrontend(const std::string& message);
     99   void OnSaveAgentRuntimeState(const std::string& state);
    100 
    101   void ClientDetachedFromRenderer();
    102 
    103   void InnerOnClientAttached();
    104   void InnerClientDetachedFromRenderer();
    105 
    106   RenderViewHostImpl* render_view_host_;
    107   scoped_ptr<RendererOverridesHandler> overrides_handler_;
    108   scoped_ptr<DevToolsTracingHandler> tracing_handler_;
    109   scoped_ptr<DevToolsPowerHandler> power_handler_;
    110 #if defined(OS_ANDROID)
    111   scoped_ptr<PowerSaveBlockerImpl> power_save_blocker_;
    112 #endif
    113   std::string state_;
    114   NotificationRegistrar registrar_;
    115   bool reattaching_;
    116 
    117   DISALLOW_COPY_AND_ASSIGN(RenderViewDevToolsAgentHost);
    118 };
    119 
    120 }  // namespace content
    121 
    122 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
    123