base/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_PUMP_DEFAULT_H_
   6 #define BASE_MESSAGE_PUMP_DEFAULT_H_
   7
   8 #include "base/message_pump.h"
   9 #include "base/time.h"
  10 #include "base/synchronization/waitable_event.h"
  11
  12 namespace base {
  13
  14 class MessagePumpDefault : public MessagePump {
  15  public:
  16   MessagePumpDefault();
  17
  18   // MessagePump methods:
  19   virtual void Run(Delegate* delegate) OVERRIDE;
  20   virtual void Quit() OVERRIDE;
  21   virtual void ScheduleWork() OVERRIDE;
  22   virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) OVERRIDE;
  23
  24  protected:
  25   virtual ~MessagePumpDefault() {}
  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_PUMP_DEFAULT_H_