source: trunk/synergy/lib/base/CSimpleEventQueueBuffer.h@ 2968

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2004 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package 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.
 */

#ifndef CSIMPLEEVENTQUEUEBUFFER_H
#define CSIMPLEEVENTQUEUEBUFFER_H

#include "IEventQueueBuffer.h"
#include "IArchMultithread.h"
#include "stddeque.h"

//! In-memory event queue buffer
/*!
An event queue buffer provides a queue of events for an IEventQueue.
*/
class CSimpleEventQueueBuffer : public IEventQueueBuffer {
public:
        CSimpleEventQueueBuffer();      
        ~CSimpleEventQueueBuffer();

        // IEventQueueBuffer overrides
        virtual void            waitForEvent(double timeout);
        virtual Type            getEvent(CEvent& event, UInt32& dataID);
        virtual bool            addEvent(UInt32 dataID);
        virtual bool            isEmpty() const;
        virtual CEventQueueTimer*
                                                newTimer(double duration, bool oneShot) const;
        virtual void            deleteTimer(CEventQueueTimer*) const;

private:
        typedef std::deque<UInt32> CEventDeque;

        CArchMutex                      m_queueMutex;
        CArchCond                       m_queueReadyCond;
        bool                            m_queueReady;
        CEventDeque                     m_queue;
};

#endif