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/**************************************************************************/
/*  theme_owner.h                                                         */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#ifndef THEME_OWNER_H
#define THEME_OWNER_H

#include "core/object/object.h"
#include "scene/resources/theme.h"

class Control;
class Node;
class Window;

class ThemeOwner : public Object {
	Control *owner_control = nullptr;
	Window *owner_window = nullptr;

	Node *_get_next_owner_node(Node *p_from_node) const;
	Ref<Theme> _get_owner_node_theme(Node *p_owner_node) const;

public:
	// Theme owner node.

	void set_owner_node(Node *p_node);
	Node *get_owner_node() const;
	bool has_owner_node() const;

	// Theme propagation.

	void assign_theme_on_parented(Node *p_for_node);
	void clear_theme_on_unparented(Node *p_for_node);
	void propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign);

	// Theme lookup.

	void get_theme_type_dependencies(const Node *p_for_node, const StringName &p_theme_type, List<StringName> *r_list) const;

	Variant get_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, List<StringName> p_theme_types);
	bool has_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, List<StringName> p_theme_types);

	float get_theme_default_base_scale();
	Ref<Font> get_theme_default_font();
	int get_theme_default_font_size();

	ThemeOwner() {}
	~ThemeOwner() {}
};

#endif // THEME_OWNER_H