GroupGateNode.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the Graz University of Technology nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */
#ifndef _GROUPGATENODE_H
#define _GROUPGATENODE_H

#include "../OpenTracker.h"
#include "GroupGateModule.h"

#include <string>
#include <vector>


#ifndef OT_NO_GROUPGATE_SUPPORT


namespace ot {

    typedef std::vector<std::string> NeighborsVector;
    typedef std::vector<Node *> NeighborPtrsVector;

    class OPENTRACKER_API GroupGateNode : public Node   
    {
    private:
        int Number;
        GroupGateGroup *Owner;
        std::string Name;
        NeighborsVector Neighbors;
        NeighborPtrsVector NeighborPtrs;
        bool IsActive;

    protected:
   
        GroupGateNode(const char *name, GroupGateGroup *owner);
        ~GroupGateNode();

        void setNumber(int num);
        int getNumber();
        void addNeighbor(const char *neighbor);
        bool isActive();
        void activate();
        void deactivate();
        const char *getGroupGateName();

    public:
        virtual int isEventGenerator()
        {
            return 1;
        }

        virtual void onEventGenerated(Event &event, Node &generator);                                

        friend class GroupGateModule;
        friend class GroupGateGroup;
    };


    class OPENTRACKER_API Override : public Node
    {
    protected:
        Override() : Node() 
        { 
        }

    public:

        virtual int isNodePort()
        {
            return 1;
        }

        virtual void onEventGenerated(Event &event, Node &generator)
        {
            updateObservers(event);
        }

        friend class GroupGateModule;
    };

    class OPENTRACKER_API ActiveGateNode : public Node   
    {
    private:
        Event event;

    protected:
   
        ActiveGateNode() : Node()
        {
        }
  
    public:

        virtual int isEventGenerator()
        {
            return 1;
        }

        void pushEvent(unsigned short groupgatenum)
        {
            event.getButton() = groupgatenum;
            event.timeStamp();
            updateObservers(event);
        }

        friend class GroupGateModule;
        friend class GroupGateGroup;
    };

} // namespace ot


#endif // OT_NO_GROUPGATE_SUPPORT

#endif


/* 
 * ------------------------------------------------------------
 *   End of GroupGateNode.h
 * ------------------------------------------------------------
 *   Automatic Emacs configuration follows.
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