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      1 // Copyright (c) 2013 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_LOADER_RESOURCE_MESSAGE_DELEGATE_
      6 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_
      7 
      8 #include "base/basictypes.h"
      9 #include "content/common/content_export.h"
     10 #include "content/public/browser/global_request_id.h"
     11 
     12 namespace IPC {
     13 class Message;
     14 }
     15 
     16 namespace net {
     17 class URLRequest;
     18 }
     19 
     20 namespace content {
     21 
     22 // A ResourceMessageDelegate receives IPC ResourceMsg_* messages for a specified
     23 // URLRequest. The delegate should implement its own IPC handler. It will
     24 // receive the message _after_ the ResourceDispatcherHost has handled it.
     25 class CONTENT_EXPORT ResourceMessageDelegate {
     26  public:
     27   ResourceMessageDelegate(const net::URLRequest* request);
     28   virtual ~ResourceMessageDelegate();
     29 
     30   // Called when the ResourceDispatcherHostImpl receives a message specifically
     31   // for this delegate.
     32   virtual bool OnMessageReceived(const IPC::Message& message) = 0;
     33 
     34   void set_request_id(const GlobalRequestID& new_request_id) {
     35     id_ = new_request_id;
     36   }
     37 
     38  private:
     39   GlobalRequestID id_;
     40   DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageDelegate);
     41 };
     42 
     43 }  // namespace content
     44 
     45 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_
     46