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      1 // Copyright (c) 2012 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 BASE_MESSAGE_LOOP_MESSAGE_PUMP_DEFAULT_H_
      6 #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_DEFAULT_H_
      7 
      8 #include "base/base_export.h"
      9 #include "base/macros.h"
     10 #include "base/message_loop/message_pump.h"
     11 #include "base/synchronization/waitable_event.h"
     12 #include "base/time/time.h"
     13 
     14 namespace base {
     15 
     16 class BASE_EXPORT MessagePumpDefault : public MessagePump {
     17  public:
     18   MessagePumpDefault();
     19   ~MessagePumpDefault() override;
     20 
     21   // MessagePump methods:
     22   void Run(Delegate* delegate) override;
     23   void Quit() override;
     24   void ScheduleWork() override;
     25   void ScheduleDelayedWork(const TimeTicks& delayed_work_time) override;
     26 
     27  private:
     28   // This flag is set to false when Run should return.
     29   bool keep_running_;
     30 
     31   // Used to sleep until there is more work to do.
     32   WaitableEvent event_;
     33 
     34   // The time at which we should call DoDelayedWork.
     35   TimeTicks delayed_work_time_;
     36 
     37   DISALLOW_COPY_AND_ASSIGN(MessagePumpDefault);
     38 };
     39 
     40 }  // namespace base
     41 
     42 #endif  // BASE_MESSAGE_LOOP_MESSAGE_PUMP_DEFAULT_H_
     43