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_POWER_SAVE_BLOCKER_IMPL_H_ 6 #define CONTENT_BROWSER_POWER_SAVE_BLOCKER_IMPL_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "content/public/browser/power_save_blocker.h" 10 #include "ui/gfx/native_widget_types.h" 11 12 namespace content { 13 14 class PowerSaveBlockerImpl : public PowerSaveBlocker { 15 public: 16 PowerSaveBlockerImpl(PowerSaveBlockerType type, const std::string& reason); 17 virtual ~PowerSaveBlockerImpl(); 18 19 #if defined(OS_ANDROID) 20 // In Android platform, the kPowerSaveBlockPreventDisplaySleep type of 21 // PowerSaveBlocker should associated with the ViewAndroid, 22 // so the blocker could be removed by platform if the view isn't visble 23 void InitDisplaySleepBlocker(gfx::NativeView view_android); 24 #endif 25 26 private: 27 class Delegate; 28 29 // Implementations of this class may need a second object with different 30 // lifetime than the RAII container, or additional storage. This member is 31 // here for that purpose. If not used, just define the class as an empty 32 // RefCounted (or RefCountedThreadSafe) like so to make it compile: 33 // class PowerSaveBlocker::Delegate 34 // : public base::RefCounted<PowerSaveBlocker::Delegate> { 35 // private: 36 // friend class base::RefCounted<Delegate>; 37 // ~Delegate() {} 38 // }; 39 scoped_refptr<Delegate> delegate_; 40 41 DISALLOW_COPY_AND_ASSIGN(PowerSaveBlockerImpl); 42 }; 43 44 } // namespace content 45 46 #endif // CONTENT_BROWSER_POWER_SAVE_BLOCKER_IMPL_H_ 47