SelectionHandler.h

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#pragma once
#include <list>
#include <atomic>
#include <string>
#include <map>
#include <mutex>
 
#include "OTCore/CoreTypes.h"
 
 
class SelectionHandler
{
public:
    SelectionHandler() = default;
    ~SelectionHandler() = default;
    
    //The handler may be processing some notification in another thread. Moving or copying a thread state is not recommendable
    SelectionHandler(const SelectionHandler& _other) = delete; 
    SelectionHandler(SelectionHandler&& _other) = delete; 
    SelectionHandler& operator=(const SelectionHandler& _other) = delete;
    SelectionHandler& operator=(SelectionHandler&& _other) = delete;
 
    void processSelectionChanged(const std::list<ot::UID>& _selectedEntityIDs, const std::list<ot::UID>&  _selectedVisibleEntityIDs);
    const std::atomic_bool& notificationInProcess() { return m_modelSelectionChangedNotificationInProgress; }
    void clearAllBufferAndNotify();
    void clearAllBuffer();
    void deselectEntity(ot::UID _entityID, const std::string& _owner);
 
    const std::list<ot::UID>& getSelectedEntityIDs();
    const std::list<ot::UID>& getSelectedVisibleEntityIDs();
 
private:
    std::atomic_bool m_modelSelectionChangedNotificationInProgress = false;
    std::mutex m_changeSelectedEntitiesBuffer;
 
    std::map<std::string,ot::UIDList> m_ownersWithSelection;
    std::list<ot::UID> m_selectedEntityIDs;
    std::list<ot::UID> m_selectedVisibleEntityIDs;
 
    void toggleButtonEnabledState();
    bool anyMaterialItemSelected();
    void notifyOwners();
    void notifyOwnerThread(const std::map<std::string, std::list<ot::UID>>& _ownerEntityListMap);
 
    void setSelectedEntityIDs(const std::list<ot::UID>& _selectedEntityIDs, const std::list<ot::UID>& _selectedVisibleEntityIDs);
};