commandQueue.h

/* Copyright (c) 2007-2013, Stefan Eilemann <eile@equalizergraphics.com>
 *                    2012, Daniel Nachbaur <danielnachbaur@gmail.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQ_COMMANDQUEUE_H
#define EQ_COMMANDQUEUE_H

#include <eq/types.h>
#include <eq/windowSystem.h> // enum
#include <co/commandQueue.h>    // base class

namespace eq
{
    class CommandQueue : public co::CommandQueue
    {
    public:
        CommandQueue( const size_t maxSize );
        virtual ~CommandQueue();

        virtual void push( const co::ICommand& command );

        virtual void pushFront( const co::ICommand& command );

        virtual co::ICommand pop( const uint32_t timeout =
                                      LB_TIMEOUT_INDEFINITE );

        virtual co::ICommands popAll( const uint32_t timeout =
                                          LB_TIMEOUT_INDEFINITE );

        virtual co::ICommand tryPop();

        int64_t resetWaitTime()
            { const int64_t time = _waitTime; _waitTime = 0; return time; }

        void setMessagePump( MessagePump* p ) { _messagePump = p; }
        MessagePump* getMessagePump() { return _messagePump; }
        virtual void pump(); 

    private:
        MessagePump* _messagePump;

        int64_t _waitTime;
    };
}

#endif //EQ_COMMANDQUEUE_H