base/message_loop/message_pump_default.h

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