text: /*************************************************************************/
  /*  os_android.h                                                         */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* 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 OS_ANDROID_H
  #define OS_ANDROID_H
  
  #include "audio_driver_opensl.h"
  #include "core/os/main_loop.h"
  #include "drivers/unix/os_unix.h"
  #include "main/input_default.h"
  #include "servers/audio_server.h"
  #include "servers/visual/rasterizer.h"
  
  class GodotJavaWrapper;
  class GodotIOJavaWrapper;
  
  class OS_Android : public OS_Unix {
  	bool use_gl2;
  	bool use_apk_expansion;
  
  	bool secondary_gl_available = false;
  
  	VisualServer *visual_server;
  
  	mutable String data_dir_cache;
  	mutable String cache_dir_cache;
  
  	AudioDriverOpenSL audio_driver_android;
  
  	const char *gl_extensions;
  
  	InputDefault *input;
  	VideoMode default_videomode;
  	MainLoop *main_loop;
  
  	GodotJavaWrapper *godot_java;
  	GodotIOJavaWrapper *godot_io_java;
  
  	//PowerAndroid *power_manager_func;
  
  	int video_driver_index;
  
  	bool transparency_enabled = false;
  
  public:
  	// functions used by main to initialize/deinitialize the OS
  	virtual int get_video_driver_count() const;
  	virtual const char *get_video_driver_name(int p_driver) const;
  
  	virtual int get_audio_driver_count() const;
  	virtual const char *get_audio_driver_name(int p_driver) const;
  
  	virtual int get_current_video_driver() const;
  
  	virtual void initialize_core();
  	virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver);
  
  	virtual void set_main_loop(MainLoop *p_main_loop);
  	virtual void delete_main_loop();
  
  	virtual void finalize();
  
  	typedef int64_t ProcessID;
  
  	GodotJavaWrapper *get_godot_java();
  	GodotIOJavaWrapper *get_godot_io_java();
  
  	virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
  	virtual bool request_permission(const String &p_name);
  	virtual bool request_permissions();
  	virtual Vector<String> get_granted_permissions() const;
  
  	virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false);
  
  	virtual void set_mouse_show(bool p_show);
  	virtual void set_mouse_grab(bool p_grab);
  	virtual bool is_mouse_grab_enabled() const;
  	virtual Point2 get_mouse_position() const;
  	virtual int get_mouse_button_state() const;
  	virtual void set_window_title(const String &p_title);
  
  	virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0);
  	virtual VideoMode get_video_mode(int p_screen = 0) const;
  	virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen = 0) const;
  
  	virtual void set_keep_screen_on(bool p_enabled);
  
  	virtual Size2 get_window_size() const;
  	virtual Rect2 get_window_safe_area() const;
  
  	virtual String get_name() const;
  	virtual MainLoop *get_main_loop() const;
  
  	virtual bool can_draw() const;
  
  	void main_loop_begin();
  	bool main_loop_iterate();
  	void main_loop_end();
  	void main_loop_focusout();
  	void main_loop_focusin();
  
  	virtual bool has_touchscreen_ui_hint() const;
  
  	virtual bool has_virtual_keyboard() const;
  	virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), bool p_multiline = false, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1);
  	virtual void hide_virtual_keyboard();
  	virtual int get_virtual_keyboard_height() const;
  
  	void set_opengl_extensions(const char *p_gl_extensions);
  	void set_display_size(Size2 p_size);
  
  	void set_offscreen_gl_available(bool p_available);
  	virtual bool is_offscreen_gl_available() const;
  	virtual void set_offscreen_gl_current(bool p_current);
  
  	virtual void set_screen_orientation(ScreenOrientation p_orientation);
  	virtual ScreenOrientation get_screen_orientation() const;
  
  	virtual Error shell_open(String p_uri);
  	virtual String get_user_data_dir() const;
  	virtual String get_data_path() const;
  	virtual String get_cache_path() const;
  	virtual String get_resource_dir() const;
  	virtual String get_locale() const;
  	virtual void set_clipboard(const String &p_text);
  	virtual String get_clipboard() const;
  	virtual bool has_clipboard() const;
  	virtual String get_model_name() const;
  	virtual int get_screen_dpi(int p_screen = 0) const;
  	virtual float get_screen_refresh_rate(int p_screen = 0) const;
  
  	virtual bool get_window_per_pixel_transparency_enabled() const { return transparency_enabled; }
  	virtual void set_window_per_pixel_transparency_enabled(bool p_enabled) { ERR_FAIL_MSG("Setting per-pixel transparency is not supported at runtime, please set it in project settings instead."); }
  
  	virtual String get_unique_id() const;
  
  	virtual String get_system_dir(SystemDir p_dir, bool p_shared_storage = true) const;
  
  	void process_accelerometer(const Vector3 &p_accelerometer);
  	void process_gravity(const Vector3 &p_gravity);
  	void process_magnetometer(const Vector3 &p_magnetometer);
  	void process_gyroscope(const Vector3 &p_gyroscope);
  	void init_video_mode(int p_video_width, int p_video_height);
  
  	virtual bool is_joy_known(int p_device);
  	virtual String get_joy_guid(int p_device) const;
  	void vibrate_handheld(int p_duration_ms);
  
  	virtual bool _check_internal_feature_support(const String &p_feature);
  	OS_Android(GodotJavaWrapper *p_godot_java, GodotIOJavaWrapper *p_godot_io_java, bool p_use_apk_expansion);
  	~OS_Android();
  };
  
  #endif
  