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/*******************************************************************************
* Goggles Audio Player Library *
********************************************************************************
* Copyright (C) 2010-2021 by Sander Jansen. All Rights Reserved *
* --- *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see http://www.gnu.org/licenses. *
********************************************************************************/
#ifndef AP_EVENT_QUEUE_H
#define AP_EVENT_QUEUE_H
namespace ap {
class Event;
class GMAPI EventQueue {
protected:
Event* head;
Event* tail;
public:
enum {
Front, /// Add event to front of the queue
Back, /// Add event to the back of the queue
Flush /// Flush queue, then add event.
};
private:
EventQueue(const EventQueue&);
EventQueue& operator=(const EventQueue&);
public:
/// Constructor
EventQueue() : head(nullptr), tail(nullptr) {}
/// Post event.
virtual void post(Event*,FXint where=Back)=0;
/// Pop event
virtual Event * pop()=0;
/// Flush all events.
virtual void flush()=0;
/// Destructor
virtual ~EventQueue() {}
};
}
#endif
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