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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_DEVTOOLS_FRONTEND_HOST_H_
      6 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_FRONTEND_HOST_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "content/public/browser/devtools_client_host.h"
     13 #include "content/public/browser/web_contents_observer.h"
     14 
     15 namespace content {
     16 
     17 class DevToolsFrontendHostDelegate;
     18 class WebContentsImpl;
     19 
     20 // This class handles messages from DevToolsClient and calls corresponding
     21 // methods on DevToolsFrontendHostDelegate which is implemented by the
     22 // embedder. This allows us to avoid exposing DevTools client messages through
     23 // the content public API.
     24 class DevToolsFrontendHost : public DevToolsClientHost,
     25                              public WebContentsObserver {
     26  public:
     27   DevToolsFrontendHost(WebContentsImpl* web_contents,
     28                        DevToolsFrontendHostDelegate* delegate);
     29 
     30  private:
     31   virtual ~DevToolsFrontendHost();
     32 
     33   // DevToolsClientHost implementation.
     34   virtual void DispatchOnInspectorFrontend(const std::string& message) OVERRIDE;
     35   virtual void InspectedContentsClosing() OVERRIDE;
     36   virtual void ReplacedWithAnotherClient() OVERRIDE;
     37 
     38   // WebContentsObserver overrides.
     39   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     40   virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
     41 
     42   void OnDispatchOnInspectorBackend(const std::string& message);
     43   void OnDispatchOnEmbedder(const std::string& message);
     44 
     45   DevToolsFrontendHostDelegate* delegate_;
     46   DISALLOW_COPY_AND_ASSIGN(DevToolsFrontendHost);
     47 };
     48 
     49 }  // namespace content
     50 
     51 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_FRONTEND_HOST_H_
     52