SVGScriptElement.hpp

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/*
Copyright (C) 2026 Rodrigo Jose Hernandez Cordoba
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef AEONGUI_SVGSCRIPTELEMENT_H
#define AEONGUI_SVGSCRIPTELEMENT_H
 
#include <string>
#include <vector>
#include <memory>
#include "SVGElement.hpp"
#include "aeongui/PluginAPI.h"
 
namespace AeonGUI
{
    namespace DOM
    {
        class CallbackEventListener;

        class SVGScriptElement : public SVGElement
        {
        public:
            SVGScriptElement ( const DOMString& aTagName, AttributeMap&& aAttributes, Node* aParent );

            ~SVGScriptElement() override;

            bool IsDrawEnabled() const override;

            void OnLoad() override;

            void OnUnload() override;
 
        private:
            std::vector<std::string> BuildLibraryPaths ( const std::string& aHref ) const;

            void LoadLibrary ( const std::string& aPath );

            void UnloadLibrary();
 
            // Static C API callbacks (implementations delegate to C++ DOM)
            static AeonGUI_Element* API_getElementById ( AeonGUI_Document* doc, const char* id );
            static void API_addEventListener ( AeonGUI_Element* element, const char* type, AeonGUI_EventCallback callback, void* userData );
            static void API_removeEventListener ( AeonGUI_Element* element, const char* type, AeonGUI_EventCallback callback, void* userData );
            static const char* API_getAttribute ( AeonGUI_Element* element, const char* name );
            static void API_setAttribute ( AeonGUI_Element* element, const char* name, const char* value );
            static const char* API_getEventType ( AeonGUI_Event* event );
            static AeonGUI_Element* API_querySelector ( AeonGUI_Element* element, const char* selector );
 
            void* mLibHandle {nullptr};
            AeonGUI_OnLoadFunc mOnLoadFunc {nullptr};
            AeonGUI_OnUnloadFunc mOnUnloadFunc{nullptr};
            AeonGUI_PluginContext mContext{};

            struct RegisteredCallback
            {
                Element* element;
                std::string eventType;
                std::unique_ptr<CallbackEventListener> listener;
            };
            std::vector<RegisteredCallback> mCallbacks;

            static thread_local SVGScriptElement* sActiveScriptElement;
        };
    }
}
#endif