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948e66c3d6
Allows detecting when a new version of the progressive web app service worker is waiting (i.e. an update is pending), along a function to force the update and reload all clients.
110 lines
4.7 KiB
C++
110 lines
4.7 KiB
C++
/*************************************************************************/
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/* os_javascript.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef OS_JAVASCRIPT_H
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#define OS_JAVASCRIPT_H
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#include "audio_driver_javascript.h"
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#include "core/input/input.h"
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#include "drivers/unix/os_unix.h"
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#include "servers/audio_server.h"
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#include <emscripten/html5.h>
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class OS_JavaScript : public OS_Unix {
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MainLoop *main_loop = nullptr;
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List<AudioDriverJavaScript *> audio_drivers;
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bool idb_is_syncing = false;
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bool idb_available = false;
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bool idb_needs_sync = false;
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bool pwa_is_waiting = false;
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static void main_loop_callback();
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static void file_access_close_callback(const String &p_file, int p_flags);
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static void fs_sync_callback();
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static void update_pwa_state_callback();
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protected:
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void initialize() override;
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void set_main_loop(MainLoop *p_main_loop) override;
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void delete_main_loop() override;
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void finalize() override;
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bool _check_internal_feature_support(const String &p_feature) override;
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public:
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// Override return type to make writing static callbacks less tedious.
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static OS_JavaScript *get_singleton();
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bool pwa_needs_update() const { return pwa_is_waiting; }
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Error pwa_update();
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void initialize_joypads() override;
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MainLoop *get_main_loop() const override;
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bool main_loop_iterate();
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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;
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Error create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id = nullptr, bool p_open_console = false) override;
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Error kill(const ProcessID &p_pid) override;
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int get_process_id() const override;
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int get_processor_count() const override;
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int get_default_thread_pool_size() const override { return 1; }
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String get_executable_path() const override;
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Error shell_open(String p_uri) override;
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String get_name() const override;
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// Override default OS implementation which would block the main thread with delay_usec.
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// Implemented in javascript_main.cpp loop callback instead.
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void add_frame_delay(bool p_can_draw) override {}
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String get_cache_path() const override;
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String get_config_path() const override;
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String get_data_path() const override;
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String get_user_data_dir() const override;
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bool is_userfs_persistent() const override;
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bool is_single_window() const override { return true; }
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void alert(const String &p_alert, const String &p_title = "ALERT!") override;
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Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) override;
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void resume_audio();
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OS_JavaScript();
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};
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#endif
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