coInteractionManager.h

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/* This file is part of COVISE.
 
   You can use it under the terms of the GNU Lesser General Public License
   version 2.1 or later, see lgpl-2.1.txt.
 
 * License: LGPL 2+ */
 
#ifndef CO_INTERACTIONMANAGER
#define CO_INTERACTIONMANAGER
 
#include <map>
#include <memory>
#include <list>
 
#include <OpenVRUI/coInteraction.h>
 
#include <vrb/client/SharedState.h>
 
namespace vrui
{
 
class OPENVRUIEXPORT coInteractionManager
{
public:
    explicit coInteractionManager();
    coInteractionManager(const coInteractionManager&) = delete;
    coInteractionManager& operator=(const coInteractionManager&) = delete;
    ~coInteractionManager();
    //virtual ~coInteractionManager();
 
    bool update();
    //initialize the sheredState for remote locking this group if neccecary
    void registerGroup(int group);
    void registerInteraction(coInteraction *);
    void unregisterInteraction(coInteraction *);
    bool isOneActive(coInteraction::InteractionType type);
    bool isOneActive(coInteraction::InteractionGroup group);
 
    static coInteractionManager *the();
    void resetLocks(int id);
    void doRemoteLock(int groupId);
    void doRemoteUnLock(int groupId);
    bool isNaviagationBlockedByme();
private:
    // list of registered interactions
    std::list<coInteraction *> interactionStack[coInteraction::NumInteractorTypes];
    // list of active but unregistered interactions
    std::list<coInteraction *> activeUnregisteredInteractions[coInteraction::NumInteractorTypes];
    //store the client id that locked a interaction group. -1 if not locked
    std::map<int, std::unique_ptr<vrb::SharedState<int>>> remoteLocks;
    //setup SharedState for this group
    void initializeRemoteLock(int group);
    bool naviagationBlockedByme = false;
    
protected:
    static coInteractionManager *im;
};
}
#endif