Index: components/timers/alarm_timer.h |
diff --git a/components/timers/alarm_timer.h b/components/timers/alarm_timer.h |
deleted file mode 100644 |
index d2f93335d61c518c4516b523b94058df949a1577..0000000000000000000000000000000000000000 |
--- a/components/timers/alarm_timer.h |
+++ /dev/null |
@@ -1,105 +0,0 @@ |
-// Copyright 2014 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef COMPONENTS_TIMER_ALARM_TIMER_H_ |
-#define COMPONENTS_TIMER_ALARM_TIMER_H_ |
- |
-#include "base/callback.h" |
-#include "base/macros.h" |
-#include "base/memory/ref_counted.h" |
-#include "base/memory/weak_ptr.h" |
-#include "base/message_loop/message_loop.h" |
-#include "base/time/time.h" |
-#include "base/timer/timer.h" |
- |
-namespace base { |
-struct PendingTask; |
-} |
- |
-namespace timers { |
-// The class implements a timer that is capable of waking the system up from a |
-// suspended state. For example, this is useful for running tasks that are |
-// needed for maintaining network connectivity, like sending heartbeat messages. |
-// Currently, this feature is only available on Chrome OS systems running linux |
-// version 3.11 or higher. On all other platforms, the AlarmTimer behaves |
-// exactly the same way as a regular Timer. |
-class AlarmTimer : public base::Timer, |
- public base::MessageLoop::DestructionObserver { |
- public: |
- // The delegate is responsible for managing the system level details for |
- // actually setting up and monitoring a timer that is capable of waking the |
- // system from suspend. This class is reference counted because it may need |
- // to outlive the timer in order to clean up after itself. |
- class Delegate : public base::RefCountedThreadSafe<Delegate> { |
- public: |
- // Initializes the timer. Should return true iff the system has timers that |
- // can wake it up from suspend. Will only be called once. |
- virtual bool Init(base::WeakPtr<AlarmTimer> timer) = 0; |
- |
- // Stops the currently running timer. It should be safe to call this more |
- // than once. |
- virtual void Stop() = 0; |
- |
- // Resets the timer to fire after |delay| has passed. Cancels any |
- // pre-existing delay. |
- virtual void Reset(base::TimeDelta delay) = 0; |
- |
- protected: |
- virtual ~Delegate() {} |
- |
- private: |
- friend class base::RefCountedThreadSafe<Delegate>; |
- }; |
- |
- AlarmTimer(bool retain_user_task, bool is_repeating); |
- |
- AlarmTimer(const tracked_objects::Location& posted_from, |
- base::TimeDelta delay, |
- const base::Closure& user_task, |
- bool is_repeating); |
- |
- ~AlarmTimer() override; |
- |
- bool can_wake_from_suspend() const { return can_wake_from_suspend_; } |
- |
- // Must be called by the delegate to indicate that the timer has fired and |
- // that the user task should be run. |
- void OnTimerFired(); |
- |
- // Timer overrides. |
- void Stop() override; |
- void Reset() override; |
- |
- // MessageLoop::DestructionObserver overrides. |
- void WillDestroyCurrentMessageLoop() override; |
- |
- private: |
- // Initializes the timer with the appropriate delegate. |
- void Init(); |
- |
- // Delegate that will manage actually setting the timer. |
- scoped_refptr<Delegate> delegate_; |
- |
- // Keeps track of the user task we want to run. A new one is constructed |
- // every time Reset() is called. |
- scoped_ptr<base::PendingTask> pending_task_; |
- |
- // Tracks whether the timer has the ability to wake the system up from |
- // suspend. This is a runtime check because we won't know if the system |
- // supports being woken up from suspend until the delegate actually tries to |
- // set it up. |
- bool can_wake_from_suspend_; |
- |
- // Pointer to the message loop that started the timer. Used to track the |
- // destruction of that message loop. |
- base::MessageLoop* origin_message_loop_; |
- |
- base::WeakPtrFactory<AlarmTimer> weak_factory_; |
- |
- DISALLOW_COPY_AND_ASSIGN(AlarmTimer); |
-}; |
- |
-} // namespace timers |
- |
-#endif // COMPONENTS_TIMER_ALARM_TIMER_H_ |