/**************************************************************************/
/*  os_ios.h                                                              */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* 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     */
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/**************************************************************************/

#ifndef OS_IOS_H
#define OS_IOS_H

#ifdef IOS_ENABLED

#import "ios.h"
#import "joypad_ios.h"

#import "drivers/coreaudio/audio_driver_coreaudio.h"
#include "drivers/unix/os_unix.h"
#include "servers/audio_server.h"
#include "servers/rendering/renderer_compositor.h"

#if defined(RD_ENABLED)
#include "servers/rendering/rendering_device.h"

#if defined(VULKAN_ENABLED)
#import "rendering_context_driver_vulkan_ios.h"
#endif
#endif

class OS_IOS : public OS_Unix {
private:
	static HashMap<String, void *> dynamic_symbol_lookup_table;
	friend void register_dynamic_symbol(char *name, void *address);

	AudioDriverCoreAudio audio_driver;

	iOS *ios = nullptr;

	JoypadIOS *joypad_ios = nullptr;

	MainLoop *main_loop = nullptr;

	virtual void initialize_core() override;
	virtual void initialize() override;

	virtual void initialize_joypads() override {
	}

	virtual void set_main_loop(MainLoop *p_main_loop) override;
	virtual MainLoop *get_main_loop() const override;

	virtual void delete_main_loop() override;

	virtual void finalize() override;

	bool is_focused = false;

	CGFloat _weight_to_ct(int p_weight) const;
	CGFloat _stretch_to_ct(int p_stretch) const;
	String _get_default_fontname(const String &p_font_name) const;

	static _FORCE_INLINE_ String get_framework_executable(const String &p_path);

	void deinitialize_modules();

public:
	static OS_IOS *get_singleton();

	OS_IOS();
	~OS_IOS();

	void initialize_modules();

	bool iterate();

	void start();

	virtual void alert(const String &p_alert, const String &p_title = "ALERT!") override;

	virtual Vector<String> get_system_fonts() const override;
	virtual Vector<String> get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale = String(), const String &p_script = String(), int p_weight = 400, int p_stretch = 100, bool p_italic = false) const override;
	virtual String get_system_font_path(const String &p_font_name, int p_weight = 400, int p_stretch = 100, bool p_italic = false) const override;

	virtual Error open_dynamic_library(const String &p_path, void *&p_library_handle, bool p_also_set_library_path = false, String *r_resolved_path = nullptr, bool p_generate_temp_files = false) override;
	virtual Error close_dynamic_library(void *p_library_handle) override;
	virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String &p_name, void *&p_symbol_handle, bool p_optional = false) override;

	virtual String get_name() const override;
	virtual String get_distribution_name() const override;
	virtual String get_version() const override;
	virtual String get_model_name() const override;

	virtual Error shell_open(const String &p_uri) override;

	virtual String get_user_data_dir() const override;

	virtual String get_cache_path() const override;

	virtual String get_locale() const override;

	virtual String get_unique_id() const override;
	virtual String get_processor_name() const override;

	virtual void vibrate_handheld(int p_duration_ms = 500) override;

	virtual bool _check_internal_feature_support(const String &p_feature) override;

	void on_focus_out();
	void on_focus_in();

	void on_enter_background();
	void on_exit_background();
};

#endif // IOS_ENABLED

#endif // OS_IOS_H