/*************************************************************************/ /* os_javascript.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_JAVASCRIPT_H #define OS_JAVASCRIPT_H #include "audio_driver_javascript.h" #include "drivers/unix/os_unix.h" #include "main/input_default.h" #include "servers/audio_server.h" #include "servers/visual/rasterizer.h" #include <emscripten/html5.h> class OS_JavaScript : public OS_Unix { private: struct JSTouchEvent { uint32_t identifier[32] = { 0 }; double coords[64] = { 0 }; }; JSTouchEvent touch_event; struct JSKeyEvent { char code[32] = { 0 }; char key[32] = { 0 }; uint8_t modifiers[4] = { 0 }; }; JSKeyEvent key_event; VideoMode video_mode; bool transparency_enabled; EMSCRIPTEN_WEBGL_CONTEXT_HANDLE webgl_ctx; InputDefault *input; CursorShape cursor_shape; Point2 touches[32]; char canvas_id[256]; bool cursor_inside_canvas; Point2i last_click_pos; uint64_t last_click_ms; int last_click_button_index; MainLoop *main_loop; int video_driver_index; List<AudioDriverJavaScript *> audio_drivers; VisualServer *visual_server; bool swap_ok_cancel; bool idb_available; bool idb_needs_sync; bool idb_is_syncing; bool pwa_is_waiting; Map<int, CharString> utterance_ids; Array voices; static void fullscreen_change_callback(int p_fullscreen); static int mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers); static void mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers); static int mouse_wheel_callback(double p_delta_x, double p_delta_y); static void key_callback(int p_pressed, int p_repeat, int p_modifiers); static void touch_callback(int p_type, int p_count); static void gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid); static void input_text_callback(const char *p_text, int p_cursor); void process_joypads(); static void file_access_close_callback(const String &p_file, int p_flags); static void request_quit_callback(); static void window_blur_callback(); static void drop_files_callback(char **p_filev, int p_filec); static void send_notification_callback(int p_notification); static void fs_sync_callback(); static void update_clipboard_callback(const char *p_text); static void update_pwa_state_callback(); static void _js_utterance_callback(int p_event, int p_id, int p_pos); static void update_voices_callback(int p_size, const char **p_voice); protected: void resume_audio(); 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(); virtual bool _check_internal_feature_support(const String &p_feature); public: bool check_size_force_redraw(); bool pwa_needs_update() const { return pwa_is_waiting; } Error pwa_update(); // Override return type to make writing static callbacks less tedious. static OS_JavaScript *get_singleton(); virtual bool tts_is_speaking() const; virtual bool tts_is_paused() const; virtual Array tts_get_voices() const; virtual void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false); virtual void tts_pause(); virtual void tts_resume(); virtual void tts_stop(); virtual bool has_virtual_keyboard() const; virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), VirtualKeyboardType p_type = KEYBOARD_TYPE_DEFAULT, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1); virtual void hide_virtual_keyboard(); virtual bool get_swap_ok_cancel(); virtual void swap_buffers(); 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_window_size(const Size2); virtual Size2 get_window_size() const; virtual void set_window_maximized(bool p_enabled); virtual bool is_window_maximized() const; virtual void set_window_fullscreen(bool p_enabled); virtual bool is_window_fullscreen() const; virtual Size2 get_screen_size(int p_screen = -1) const; virtual int get_screen_dpi(int p_screen = -1) const; virtual float get_screen_scale(int p_screen = -1) const; virtual float get_screen_max_scale() const; virtual Point2 get_mouse_position() const; virtual int get_mouse_button_state() const; virtual void set_cursor_shape(CursorShape p_shape); virtual CursorShape get_cursor_shape() const; virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot); virtual void set_mouse_mode(MouseMode p_mode); virtual MouseMode get_mouse_mode() const; virtual bool get_window_per_pixel_transparency_enabled() const; virtual void set_window_per_pixel_transparency_enabled(bool p_enabled); virtual bool has_touchscreen_ui_hint() const; virtual bool is_joy_known(int p_device); virtual String get_joy_guid(int p_device) const; 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 void set_clipboard(const String &p_text); virtual String get_clipboard() const; virtual MainLoop *get_main_loop() const; bool main_loop_iterate(); virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking = true, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false, Mutex *p_pipe_mutex = NULL, bool p_open_console = false); virtual Error kill(const ProcessID &p_pid); virtual int get_process_id() const; bool is_process_running(const ProcessID &p_pid) const; int get_processor_count() const; virtual void alert(const String &p_alert, const String &p_title = "ALERT!"); virtual void set_window_title(const String &p_title); virtual void set_icon(const Ref<Image> &p_icon); String get_executable_path() const; virtual Error shell_open(String p_uri); virtual String get_name() const; virtual void add_frame_delay(bool p_can_draw) {} virtual bool can_draw() const; virtual void vibrate_handheld(int p_duration_ms); virtual String get_cache_path() const; virtual String get_config_path() const; virtual String get_data_path() const; virtual String get_user_data_dir() const; virtual OS::PowerState get_power_state(); virtual int get_power_seconds_left(); virtual int get_power_percent_left(); virtual bool is_userfs_persistent() const; Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path); OS_JavaScript(); }; #endif // OS_JAVASCRIPT_H