PresetEventMiddleware.h

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namespace krotos
{
    struct PresetLoadRequest
    {
        ValueTree newState;
        File presetFile;
    };
 
    struct PresetLoadResponse
    {
        bool success{true};
 
        String message{""};
    };
 
    struct KwidgetLoadRequest
    {
        ValueTree kwidgetTree;
    };
 
    struct KwidgetLoadResponse
    {
        bool success{true};
 
        String message{""};
    };
 
    struct PresetEventHook
    {
        virtual void onPresetLoad(PresetLoadRequest& request, PresetLoadResponse& response) = 0;
 
        virtual void onKwidgetLoad(KwidgetLoadRequest& request, KwidgetLoadResponse& response) = 0;
 
        virtual ~PresetEventHook() = default;
    };
 
    class PresetEventMiddleware
    {
      public:
        void addHook(std::unique_ptr<PresetEventHook> hook);
 
        bool removeHook(PresetEventHook* hook);
 
        PresetLoadResponse processPresetLoad(PresetLoadRequest& request);
 
        KwidgetLoadResponse processKwidgetLoad(KwidgetLoadRequest& request);
 
      private:
        std::vector<std::unique_ptr<PresetEventHook>> m_hooks;
    };
 
} // namespace krotos