content/browser/loader/resource_message_delegate.h

   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_H_
   6 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_H_
   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_H_