LabelLayerFilterGroupModel.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "ILabelLayerFilterGroupModel.h"
#include "Types.h"
#include "Labels.h"
#include "LabelLayer.h"

#include <unordered_map>
#include <vector>

namespace Eegeo
{
    namespace Labels
    {
        class LabelLayerFilterGroupModel : public ILabelLayerFilterGroupModel, public ILabelLayerFilterGroupModelObserver, private Eegeo::NonCopyable
        {
        public:
            LabelLayerFilterGroupModel(const Labels::ILabelLayerRepository& labelLayerRepository);
            
            void GetLabelLayerIds(std::vector<LabelLayer::IdType>& out_labelLayerIds) const;
            
            void SetFilterGroupMask(u32 filterGroupMask);
            
            u32 GetFilterGroupMask() const;
            
            void SetFilterGroupsForLayer(const Labels::LabelLayer::IdType& labelLayerId, u32 filterGroupMask);
            
            u32 GetFilterGroupsForLayer(const Labels::LabelLayer::IdType& labelLayerId) const;
            
            void RegisterChangedCallback(CallbackType& callback);
            
            void UnregisterChangedCallback(CallbackType& callback);
            
        private:
            
            void NotifyChanged() const;
            
            const Labels::ILabelLayerRepository& m_labelLayerRepository;

            typedef std::unordered_map<Labels::LabelLayer::IdType, u32> LayerToFilterGroupMask;
            LayerToFilterGroupMask m_layerToFilterGroupMask;
            u32 m_filterGroupMask;
            
            std::vector<CallbackType*> m_callbacks;
        };
    }
}