content/browser/loader/power_save_block_resource_throttle.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_POWER_SAVE_BLOCK_RESOURCE_THROTTLE_H_
   6 #define CONTENT_BROWSER_LOADER_POWER_SAVE_BLOCK_RESOURCE_THROTTLE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/timer/timer.h"
  12 #include "content/public/browser/resource_throttle.h"
  13
  14 namespace content {
  15
  16 class PowerSaveBlocker;
  17
  18 // This ResourceThrottle blocks power save until large upload request finishes.
  19 class PowerSaveBlockResourceThrottle : public ResourceThrottle {
  20  public:
  21   PowerSaveBlockResourceThrottle();
  22   virtual ~PowerSaveBlockResourceThrottle();
  23
  24   // ResourceThrottle overrides:
  25   virtual void WillStartRequest(bool* defer) OVERRIDE;
  26   virtual void WillProcessResponse(bool* defer) OVERRIDE;
  27   virtual const char* GetNameForLogging() const OVERRIDE;
  28
  29  private:
  30   void ActivatePowerSaveBlocker();
  31
  32   base::OneShotTimer<PowerSaveBlockResourceThrottle> timer_;
  33   scoped_ptr<PowerSaveBlocker> power_save_blocker_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(PowerSaveBlockResourceThrottle);
  36 };
  37
  38 }  // namespace content
  39
  40 #endif  // CONTENT_BROWSER_LOADER_POWER_SAVE_BLOCK_RESOURCE_THROTTLE_H_