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Side by Side Diff: base/timer/hi_res_timer_manager.h

Issue 1538743002: Switch to standard integer types in base/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: DEPS roll too Created 4 years, 12 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_TIMER_HI_RES_TIMER_MANAGER_H_ 5 #ifndef BASE_TIMER_HI_RES_TIMER_MANAGER_H_
6 #define BASE_TIMER_HI_RES_TIMER_MANAGER_H_ 6 #define BASE_TIMER_HI_RES_TIMER_MANAGER_H_
7 7
8 #include "base/base_export.h" 8 #include "base/base_export.h"
9 #include "base/basictypes.h" 9 #include "base/macros.h"
10 #include "base/power_monitor/power_observer.h" 10 #include "base/power_monitor/power_observer.h"
11 11
12 namespace base { 12 namespace base {
13 13
14 // Ensures that the Windows high resolution timer is only used 14 // Ensures that the Windows high resolution timer is only used
15 // when not running on battery power. 15 // when not running on battery power.
16 class BASE_EXPORT HighResolutionTimerManager : public base::PowerObserver { 16 class BASE_EXPORT HighResolutionTimerManager : public base::PowerObserver {
17 public: 17 public:
18 HighResolutionTimerManager(); 18 HighResolutionTimerManager();
19 ~HighResolutionTimerManager() override; 19 ~HighResolutionTimerManager() override;
20 20
21 // base::PowerObserver method. 21 // base::PowerObserver method.
22 void OnPowerStateChange(bool on_battery_power) override; 22 void OnPowerStateChange(bool on_battery_power) override;
23 23
24 // Returns true if the hi resolution clock could be used right now. 24 // Returns true if the hi resolution clock could be used right now.
25 bool hi_res_clock_available() const { return hi_res_clock_available_; } 25 bool hi_res_clock_available() const { return hi_res_clock_available_; }
26 26
27 private: 27 private:
28 // Enable or disable the faster multimedia timer. 28 // Enable or disable the faster multimedia timer.
29 void UseHiResClock(bool use); 29 void UseHiResClock(bool use);
30 30
31 bool hi_res_clock_available_; 31 bool hi_res_clock_available_;
32 32
33 DISALLOW_COPY_AND_ASSIGN(HighResolutionTimerManager); 33 DISALLOW_COPY_AND_ASSIGN(HighResolutionTimerManager);
34 }; 34 };
35 35
36 } // namespace base 36 } // namespace base
37 37
38 #endif // BASE_TIMER_HI_RES_TIMER_MANAGER_H_ 38 #endif // BASE_TIMER_HI_RES_TIMER_MANAGER_H_
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