LocalJsonInteriorLabelCategoryLoader.h

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

#pragma once


#include "IInteriorLabelCategoryLoader.h"
#include "Types.h"
#include "Helpers.h"
#include "CallbackCollection.h"

#include <vector>

namespace Eegeo
{
    namespace Resources
    {
        namespace Interiors
        {
            class LocalJsonInteriorLabelCategoryLoader : public IInteriorLabelCategoryLoader, public IUpdatableLoader, private Eegeo::NonCopyable
            {
            public:
                typedef Helpers::CallbackCollection1<const InteriorLabelCategoryParserResult> TParsedResultsCallbacks;
            
                LocalJsonInteriorLabelCategoryLoader(Helpers::IFileIO& fileIO,
                                                     const IInteriorLabelCategoryParser& interiorLabelCategoryParser,
                                                     TParsedResultsCallbacks& parsedResultsCallbacks
                                                     );
                
                void Load(const std::string& url, LoadCompleteCallbackType& callback);
                
                void Update();
                
            private:
                
                struct InteriorLabelCategoryLoad
                {
                    InteriorLabelCategoryLoad(const std::string& url,  LoadCompleteCallbackType& callback)
                    : m_url(url)
                    , m_pCallback(&callback)
                    {}
                    
                    const std::string& GetUrl() const { return m_url; }
                    LoadCompleteCallbackType& GetCallback() const { return *m_pCallback; }
                private:
                    std::string m_url;
                    LoadCompleteCallbackType* m_pCallback;
                };
                
                bool TryLoad(const InteriorLabelCategoryLoad& load);
                
                Helpers::IFileIO& m_fileIO;
                const IInteriorLabelCategoryParser& m_interiorLabelCategoryParser;
                TParsedResultsCallbacks& m_parsedResultsCallbacks;
                
                std::vector<InteriorLabelCategoryLoad> m_loads;
            };
        }
    }
}