virtualx-engine/platform/web/api/javascript_bridge_singleton.h

/*************************************************************************/
/*  javascript_bridge_singleton.h                                        */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
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#ifndef JAVASCRIPT_BRIDGE_SINGLETON_H
#define JAVASCRIPT_BRIDGE_SINGLETON_H

#include "core/object/class_db.h"
#include "core/object/ref_counted.h"

class JavaScriptObject : public RefCounted {
private:
	GDCLASS(JavaScriptObject, RefCounted);

protected:
	virtual bool _set(const StringName &p_name, const Variant &p_value) { return false; }
	virtual bool _get(const StringName &p_name, Variant &r_ret) const { return false; }
	virtual void _get_property_list(List<PropertyInfo> *p_list) const {}
};

class JavaScriptBridge : public Object {
private:
	GDCLASS(JavaScriptBridge, Object);

	static JavaScriptBridge *singleton;

protected:
	static void _bind_methods();

public:
	Variant eval(const String &p_code, bool p_use_global_exec_context = false);
	Ref<JavaScriptObject> get_interface(const String &p_interface);
	Ref<JavaScriptObject> create_callback(const Callable &p_callable);
	Variant _create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
	void download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime = "application/octet-stream");
	bool pwa_needs_update() const;
	Error pwa_update();

	static JavaScriptBridge *get_singleton();
	JavaScriptBridge();
	~JavaScriptBridge();
};

#endif // JAVASCRIPT_BRIDGE_SINGLETON_H