/**************************************************************************/ /* os_web.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 OS_WEB_H #define OS_WEB_H #include "audio_driver_web.h" #include "core/input/input.h" #include "drivers/unix/os_unix.h" #include "servers/audio_server.h" #include <emscripten/html5.h> class OS_Web : public OS_Unix { MainLoop *main_loop = nullptr; List<AudioDriverWeb *> audio_drivers; bool idb_is_syncing = false; bool idb_available = false; bool idb_needs_sync = false; bool pwa_is_waiting = false; static void main_loop_callback(); static void file_access_close_callback(const String &p_file, int p_flags); static void fs_sync_callback(); static void update_pwa_state_callback(); protected: void initialize() override; void set_main_loop(MainLoop *p_main_loop) override; void delete_main_loop() override; void finalize() override; bool _check_internal_feature_support(const String &p_feature) override; public: // Override return type to make writing static callbacks less tedious. static OS_Web *get_singleton(); bool pwa_needs_update() const { return pwa_is_waiting; } Error pwa_update(); void force_fs_sync(); void initialize_joypads() override; MainLoop *get_main_loop() const override; bool main_loop_iterate(); Error execute(const String &p_path, const List<String> &p_arguments, String *r_pipe = nullptr, int *r_exitcode = nullptr, bool read_stderr = false, Mutex *p_pipe_mutex = nullptr, bool p_open_console = false) override; Error create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id = nullptr, bool p_open_console = false) override; Error kill(const ProcessID &p_pid) override; int get_process_id() const override; bool is_process_running(const ProcessID &p_pid) const override; int get_processor_count() const override; int get_default_thread_pool_size() const override { return 1; } String get_executable_path() const override; Error shell_open(String p_uri) override; String get_name() const override; // Override default OS implementation which would block the main thread with delay_usec. // Implemented in web_main.cpp loop callback instead. void add_frame_delay(bool p_can_draw) override {} void vibrate_handheld(int p_duration_ms) override; String get_cache_path() const override; String get_config_path() const override; String get_data_path() const override; String get_user_data_dir() const override; bool is_userfs_persistent() const override; void alert(const String &p_alert, const String &p_title = "ALERT!") override; Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false, String *r_resolved_path = nullptr) override; void resume_audio(); OS_Web(); }; #endif // OS_WEB_H