VRS - The Virtual Rendering System

version 3.3

remotelookat.h

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// $Id: remotelookat.h 6014 2007-08-09 07:51:16Z Konstantin_Baumann $
// $Date: 2007-08-09 09:51:16 +0200 (Thu, 09 Aug 2007) $
// $Revision: 6014 $
// $State$
// $Author: Konstantin_Baumann $
//
// $Log$
// Revision 1.7  2004/03/12 16:28:41  baumann
// macros VRS_NAMESPACE_BEGIN/_END expanded and removed
//
// Revision 1.6  2004/01/19 11:43:58  baumann
// serialization mechanism improved
//
// Revision 1.5  2004/01/19 07:28:04  baumann
// serialization mechanism improved
//
// Revision 1.4  2003/11/18 14:56:50  buchholz
// to avoid confusion with state and role enums, sate enums are appended
// by a "state" postfix.
//
// Revision 1.3  2003/11/15 00:54:51  buchholz
// independentCallback added
//
// Revision 1.2  2003/11/13 10:27:11  buchholz
// added callback for role-change accepted/denied
//
// Revision 1.1  2003/11/12 11:42:21  buchholz
// first checkin of the vrs-qt-network classes
//

#ifndef VRS_QT_REMOTELOOKAT_H
#define VRS_QT_REMOTELOOKAT_H

#include <vrs/qt3/config.h>
#include <vrs/sharedobj.h>

namespace VRS {

class TwoPointConnection;
class LookAt;
class Canvas;
class Callback;

class VRS_QT3_API RemoteLookAt : public SharedObj {
public:
        
    RemoteLookAt(LookAt* target, TwoPointConnection* connection, Canvas* canvas);
    ~RemoteLookAt();

    enum State { MasterState, SlaveState, IndependentState, MasterRequestedState, SlaveRequestedState };
    VRS_SERIALIZABLE_CLASS_ENUM(State);
    State getState() const;
    enum Role { MasterRole, SlaveRole, IndependentRole };
    VRS_SERIALIZABLE_CLASS_ENUM(Role);
    void sendRoleRequest(Role role);
    void answerRoleRequest(bool accept = true);
    void registerRoleChangeCB(Callback1<Role>* cb);
    void registerRoleChangeAnswerCB(Callback1<bool>* cb);
    void registerIndependentCB(Callback* cb);
    VRS_TYPEINFO(RemoteLookAt, SharedObj);

private:

    void onReceive(SharedObj*);
    void onLookAtModification(SharedObj*);
        
    State state_;
    SO<TwoPointConnection> connection_;
    SO<LookAt> lookat_;
    SO<Canvas> canvas_;    
    SO<Callback1<Role> > roleChangeCB_;
    SO<Callback1<bool> > roleChangeAnswerCB_;
    SO<Callback> independentCB_;

    SO<Callback1<SharedObj*> > modCB_;
    SO<Callback1<SharedObj*> > receiveCB_;

    enum IncomingRequest { None, MasterReq, SlaveReq } incomingRequest_;    
    VRS_SERIALIZABLE_CLASS_ENUM(IncomingRequest);
};
  
} // namespace VRS

#endif // VRS_REMOTELOOKAT_H

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