LabelSourceController.h

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

#pragma once

#include "Labels.h"
#include "Types.h"
#include "LabelAnchorCategory.h"
#include "LabelStyle.h"
#include "ICallback.h"

#include <vector>


namespace Eegeo
{
    namespace Labels
    {
        class LabelSourceController : private Eegeo::NonCopyable
        {
        public:
            LabelSourceController(const IAnchoredLabelSourceRepository& labelSourceRepository,
                                  ILabelSourceRepositoryObserver& labelSourceRepositoryObserver,
                                  ILabelModelSourceObserver& labelModelSourceObserver,
                                  ILabelAnchorChangedEvent& labelAnchorChangedEvent,
                                  ILabelViewFactory& labelViewFactory,
                                  ILabelViewRepository& labelViewRepository,
                                  const ILabelFilterModel& internallyModifiableLabelFilterModel,
                                  ILabelFilterModelObserver& internallyModifiableLabelFilterModelObserver,
                                  const ILabelStyleBindingRepository& labelStyleBindingRepository,
                                  const LabelAnchorCategory::IdType& defaultLineId,
                                  const LabelAnchorCategory::IdType& defaultPointId);
            
            ~LabelSourceController();

        private:
            void OnAnchoredLabelSourceAdded(const IAnchoredLabelSource& anchoredLabelSource);
            
            void OnAnchoredLabelSourceRemoved(const IAnchoredLabelSource& anchoredLabelSource);
            
            void OnLabelModelAdded(const IAnchoredLabel& anchoredLabel);
            
            void OnLabelModelRemoved(const IAnchoredLabel& anchoredLabel);
            
            void OnAnchoredLabelChanged(const IAnchoredLabel& anchoredLabel);
            
            bool ShouldAddViewFor(const IAnchoredLabel& anchoredLabel) const;
            
            bool ShouldRemoveViewFor(const IAnchoredLabel& anchoredLabel) const;
            
            
            const LabelStyle::IdType& GetLabelStyleForAnchorCategory(const LabelAnchorCategory& labelAnchorCategory) const;
            
            const LabelAnchorCategory::IdType& GetLabelAnchorCategoryIdOrDefault(const LabelAnchorCategory& labelAnchorCategory) const;
            
            void OnInternallyModifiableLabelFilterModelChanged();
            
            LabelView* CreateAndAddViewFor(const IAnchoredLabel& anchoredLabel);
            void RemoveAndDestroyViewFor(const IAnchoredLabel& anchoredLabel);
            
            const IAnchoredLabelSourceRepository& m_labelSourceRepository;
            ILabelSourceRepositoryObserver& m_labelSourceRepositoryObserver;
            ILabelModelSourceObserver& m_labelModelSourceObserver;
            ILabelAnchorChangedEvent& m_labelAnchorChangedEvent;
            ILabelViewFactory& m_labelViewFactory;
            ILabelViewRepository& m_labelViewRepository;
            const ILabelStyleBindingRepository& m_labelStyleBindingRepository;
            const LabelAnchorCategory::IdType& m_defaultLineId;
            const LabelAnchorCategory::IdType& m_defaultPointId;
            std::vector<const IAnchoredLabel*> m_anchoredLabelBuffer;
            const ILabelFilterModel& m_internallyModifiableLabelFilterModel;
            ILabelFilterModelObserver& m_internallyModifiableLabelFilterModelObserver;
            
            Helpers::TCallback1<LabelSourceController, const IAnchoredLabelSource> m_anchoredLabelSourceAddedHandler;
            Helpers::TCallback1<LabelSourceController, const IAnchoredLabelSource> m_anchoredLabelSourceRemovedHandler;
            Helpers::TCallback1<LabelSourceController, const IAnchoredLabel> m_anchoredLabelModelAddedHandler;
            Helpers::TCallback1<LabelSourceController, const IAnchoredLabel> m_anchoredLabelModelRemovedHandler;
            Helpers::TCallback1<LabelSourceController, const IAnchoredLabel> m_anchoredLabelChangedHandler;
            
            Helpers::TCallback0<LabelSourceController> m_internallyModifiableLabelFilterModelChanged;
        };
    }
}