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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 CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 5 #ifndef CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
6 #define CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 6 #define CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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51 // Stops the ticker and waits for all callbacks. to be done. This method | 51 // Stops the ticker and waits for all callbacks. to be done. This method |
52 // does not provide a way to stop without waiting for the callbacks to be | 52 // does not provide a way to stop without waiting for the callbacks to be |
53 // done because this is inherently risky. | 53 // done because this is inherently risky. |
54 // Returns false is the ticker is not running | 54 // Returns false is the ticker is not running |
55 bool Stop(); | 55 bool Stop(); |
56 bool IsRunning() const { | 56 bool IsRunning() const { |
57 return is_running_; | 57 return is_running_; |
58 } | 58 } |
59 | 59 |
60 void set_tick_interval(int tick_interval) { | 60 void set_tick_interval(int tick_interval) { |
61 tick_interval_ = tick_interval; | 61 tick_interval_ = base::TimeDelta::FromMilliseconds(tick_interval); |
62 } | 62 } |
63 | 63 |
64 int tick_interval() const { | 64 int tick_interval() const { |
65 return tick_interval_; | 65 return tick_interval_.InMilliseconds(); |
66 } | 66 } |
67 | 67 |
68 private: | 68 private: |
69 void ScheduleTimerTask(); | 69 void ScheduleTimerTask(); |
70 | 70 |
71 void TimerTask(); | 71 void TimerTask(); |
72 | 72 |
73 // A list type that holds all registered callback interfaces | 73 // A list type that holds all registered callback interfaces |
74 typedef std::vector<Callback*> TickHandlerListType; | 74 typedef std::vector<Callback*> TickHandlerListType; |
75 | 75 |
76 // Lock to protect is_running_ and tick_handler_list_ | 76 // Lock to protect is_running_ and tick_handler_list_ |
77 base::Lock lock_; | 77 base::Lock lock_; |
78 | 78 |
79 base::Thread timer_thread_; | 79 base::Thread timer_thread_; |
80 bool is_running_; | 80 bool is_running_; |
81 | 81 |
82 // The interval at which the callbacks are to be invoked | 82 // The interval at which the callbacks are to be invoked |
83 int tick_interval_; | 83 base::TimeDelta tick_interval_; |
84 | 84 |
85 // A list that holds all registered callback interfaces | 85 // A list that holds all registered callback interfaces |
86 TickHandlerListType tick_handler_list_; | 86 TickHandlerListType tick_handler_list_; |
87 | 87 |
88 DISALLOW_COPY_AND_ASSIGN(WorkerThreadTicker); | 88 DISALLOW_COPY_AND_ASSIGN(WorkerThreadTicker); |
89 }; | 89 }; |
90 | 90 |
91 #endif // CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 91 #endif // CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
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