godot/platform/javascript/os_javascript.h

/*************************************************************************/
/*  os_javascript.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#ifndef OS_JAVASCRIPT_H
#define OS_JAVASCRIPT_H

#include "audio_driver_javascript.h"
#include "audio_server_javascript.h"
#include "drivers/unix/os_unix.h"
#include "javascript_eval.h"
#include "main/input_default.h"
#include "os/input.h"
#include "os/main_loop.h"
#include "power_javascript.h"
#include "servers/audio_server.h"
#include "servers/physics/physics_server_sw.h"
#include "servers/physics_2d/physics_2d_server_sw.h"
#include "servers/visual/rasterizer.h"

#include <emscripten/html5.h>

typedef void (*GFXInitFunc)(void *ud, bool gl2, int w, int h, bool fs);
typedef String (*GetDataDirFunc)();

class OS_JavaScript : public OS_Unix {
public:
	struct TouchPos {
		int id;
		Point2 pos;
	};

private:
	Vector<TouchPos> touch;
	Point2 last_mouse;
	int last_button_mask;
	GFXInitFunc gfx_init_func;
	void *gfx_init_ud;

	bool use_gl2;

	int64_t time_to_save_sync;
	int64_t last_sync_time;

	VisualServer *visual_server;
	PhysicsServer *physics_server;
	Physics2DServer *physics_2d_server;
	AudioDriverJavaScript audio_driver_javascript;
	const char *gl_extensions;

	InputDefault *input;
	bool window_maximized;
	VideoMode video_mode;
	MainLoop *main_loop;

	GetDataDirFunc get_data_dir_func;

	PowerJavascript *power_manager;

#ifdef JAVASCRIPT_EVAL_ENABLED
	JavaScript *javascript_eval;
#endif

	static void _close_notification_funcs(const String &p_file, int p_flags);

	void process_joypads();

public:
	// functions used by main to initialize/deintialize the OS
	virtual int get_video_driver_count() const;
	virtual const char *get_video_driver_name(int p_driver) const;

	virtual VideoMode get_default_video_mode() const;

	virtual int get_audio_driver_count() const;
	virtual const char *get_audio_driver_name(int p_driver) const;

	virtual void initialize_core();
	virtual void 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;

	//static OS* get_singleton();

	virtual void print_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type) {

		OS::print_error(p_function, p_file, p_line, p_code, p_rationale, p_type);
	}

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

	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_pos() const;
	virtual int get_mouse_button_state() const;
	virtual void set_window_title(const String &p_title);

	//virtual void set_clipboard(const String& p_text);
	//virtual String get_clipboard() const;

	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 Size2 get_screen_size(int p_screen = 0) const;

	virtual void set_window_size(const Size2);
	virtual Size2 get_window_size() const;
	virtual void set_window_maximized(bool p_enabled);
	virtual bool is_window_maximized() const { return window_maximized; }
	virtual void set_window_fullscreen(bool p_enable);
	virtual bool is_window_fullscreen() const;

	virtual String get_name();
	virtual MainLoop *get_main_loop() const;

	virtual bool can_draw() const;

	virtual void set_cursor_shape(CursorShape p_shape);

	void main_loop_begin();
	bool main_loop_iterate();
	void main_loop_request_quit();
	void main_loop_end();
	void main_loop_focusout();
	void main_loop_focusin();

	virtual bool has_touchscreen_ui_hint() const;

	void set_opengl_extensions(const char *p_gl_extensions);

	virtual Error shell_open(String p_uri);
	virtual String get_data_dir() const;
	String get_executable_path() const;
	virtual String get_resource_dir() const;

	void process_accelerometer(const Vector3 &p_accelerometer);
	void process_touch(int p_what, int p_pointer, const Vector<TouchPos> &p_points);
	void push_input(const InputEvent &p_ev);

	virtual bool is_joy_known(int p_device);
	virtual String get_joy_guid(int p_device) const;
	bool joy_connection_changed(int p_type, const EmscriptenGamepadEvent *p_event);

	virtual PowerState get_power_state();
	virtual int get_power_seconds_left();
	virtual int get_power_percent_left();

	OS_JavaScript(GFXInitFunc p_gfx_init_func, void *p_gfx_init_ud, GetDataDirFunc p_get_data_dir_func);
	~OS_JavaScript();
};

#endif