chrome/browser/devtools/devtools_network_controller_handle.h

   1 // Copyright 2015 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 CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_HANDLE_H_
   6 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_HANDLE_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 class DevToolsNetworkConditions;
  14 class DevToolsNetworkController;
  15
  16 // A handle to manage an IO-thread DevToolsNetworkController on the IO thread
  17 // while allowing SetNetworkState to be called from the UI thread. Must be
  18 // created on the UI thread and destroyed on the IO thread.
  19 class DevToolsNetworkControllerHandle {
  20  public:
  21   DevToolsNetworkControllerHandle();
  22   ~DevToolsNetworkControllerHandle();
  23
  24   // Called on the UI thread.
  25   void SetNetworkState(const std::string& client_id,
  26                        scoped_ptr<DevToolsNetworkConditions> conditions);
  27
  28   // Called on the IO thread.
  29   DevToolsNetworkController* GetController();
  30
  31  private:
  32   void LazyInitialize();
  33   void SetNetworkStateOnIO(const std::string& client_id,
  34                            scoped_ptr<DevToolsNetworkConditions> conditions);
  35
  36   scoped_ptr<DevToolsNetworkController> controller_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkControllerHandle);
  39 };
  40
  41 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_CONTROLLER_HANDLE_H_