diff options
Diffstat (limited to 'platform/web/js/libs/library_godot_os.js')
| -rw-r--r-- | platform/web/js/libs/library_godot_os.js | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/platform/web/js/libs/library_godot_os.js b/platform/web/js/libs/library_godot_os.js new file mode 100644 index 0000000000..377eec3234 --- /dev/null +++ b/platform/web/js/libs/library_godot_os.js @@ -0,0 +1,427 @@ +/*************************************************************************/ +/* library_godot_os.js */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +const IDHandler = { + $IDHandler: { + _last_id: 0, + _references: {}, + + get: function (p_id) { + return IDHandler._references[p_id]; + }, + + add: function (p_data) { + const id = ++IDHandler._last_id; + IDHandler._references[id] = p_data; + return id; + }, + + remove: function (p_id) { + delete IDHandler._references[p_id]; + }, + }, +}; + +autoAddDeps(IDHandler, '$IDHandler'); +mergeInto(LibraryManager.library, IDHandler); + +const GodotConfig = { + $GodotConfig__postset: 'Module["initConfig"] = GodotConfig.init_config;', + $GodotConfig__deps: ['$GodotRuntime'], + $GodotConfig: { + canvas: null, + locale: 'en', + canvas_resize_policy: 2, // Adaptive + virtual_keyboard: false, + persistent_drops: false, + on_execute: null, + on_exit: null, + + init_config: function (p_opts) { + GodotConfig.canvas_resize_policy = p_opts['canvasResizePolicy']; + GodotConfig.canvas = p_opts['canvas']; + GodotConfig.locale = p_opts['locale'] || GodotConfig.locale; + GodotConfig.virtual_keyboard = p_opts['virtualKeyboard']; + GodotConfig.persistent_drops = !!p_opts['persistentDrops']; + GodotConfig.on_execute = p_opts['onExecute']; + GodotConfig.on_exit = p_opts['onExit']; + if (p_opts['focusCanvas']) { + GodotConfig.canvas.focus(); + } + }, + + locate_file: function (file) { + return Module['locateFile'](file); // eslint-disable-line no-undef + }, + clear: function () { + GodotConfig.canvas = null; + GodotConfig.locale = 'en'; + GodotConfig.canvas_resize_policy = 2; + GodotConfig.virtual_keyboard = false; + GodotConfig.persistent_drops = false; + GodotConfig.on_execute = null; + GodotConfig.on_exit = null; + }, + }, + + godot_js_config_canvas_id_get__sig: 'vii', + godot_js_config_canvas_id_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max); + }, + + godot_js_config_locale_get__sig: 'vii', + godot_js_config_locale_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max); + }, +}; + +autoAddDeps(GodotConfig, '$GodotConfig'); +mergeInto(LibraryManager.library, GodotConfig); + +const GodotFS = { + $GodotFS__deps: ['$ERRNO_CODES', '$FS', '$IDBFS', '$GodotRuntime'], + $GodotFS__postset: [ + 'Module["initFS"] = GodotFS.init;', + 'Module["copyToFS"] = GodotFS.copy_to_fs;', + ].join(''), + $GodotFS: { + _idbfs: false, + _syncing: false, + _mount_points: [], + + is_persistent: function () { + return GodotFS._idbfs ? 1 : 0; + }, + + // Initialize godot file system, setting up persistent paths. + // Returns a promise that resolves when the FS is ready. + // We keep track of mount_points, so that we can properly close the IDBFS + // since emscripten is not doing it by itself. (emscripten GH#12516). + init: function (persistentPaths) { + GodotFS._idbfs = false; + if (!Array.isArray(persistentPaths)) { + return Promise.reject(new Error('Persistent paths must be an array')); + } + if (!persistentPaths.length) { + return Promise.resolve(); + } + GodotFS._mount_points = persistentPaths.slice(); + + function createRecursive(dir) { + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + } + + GodotFS._mount_points.forEach(function (path) { + createRecursive(path); + FS.mount(IDBFS, {}, path); + }); + return new Promise(function (resolve, reject) { + FS.syncfs(true, function (err) { + if (err) { + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotRuntime.print(`IndexedDB not available: ${err.message}`); + } else { + GodotFS._idbfs = true; + } + resolve(err); + }); + }); + }, + + // Deinit godot file system, making sure to unmount file systems, and close IDBFS(s). + deinit: function () { + GodotFS._mount_points.forEach(function (path) { + try { + FS.unmount(path); + } catch (e) { + GodotRuntime.print('Already unmounted', e); + } + if (GodotFS._idbfs && IDBFS.dbs[path]) { + IDBFS.dbs[path].close(); + delete IDBFS.dbs[path]; + } + }); + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotFS._syncing = false; + }, + + sync: function () { + if (GodotFS._syncing) { + GodotRuntime.error('Already syncing!'); + return Promise.resolve(); + } + GodotFS._syncing = true; + return new Promise(function (resolve, reject) { + FS.syncfs(false, function (error) { + if (error) { + GodotRuntime.error(`Failed to save IDB file system: ${error.message}`); + } + GodotFS._syncing = false; + resolve(error); + }); + }); + }, + + // Copies a buffer to the internal file system. Creating directories recursively. + copy_to_fs: function (path, buffer) { + const idx = path.lastIndexOf('/'); + let dir = '/'; + if (idx > 0) { + dir = path.slice(0, idx); + } + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + FS.writeFile(path, new Uint8Array(buffer)); + }, + }, +}; +mergeInto(LibraryManager.library, GodotFS); + +const GodotOS = { + $GodotOS__deps: ['$GodotRuntime', '$GodotConfig', '$GodotFS'], + $GodotOS__postset: [ + 'Module["request_quit"] = function() { GodotOS.request_quit() };', + 'Module["onExit"] = GodotOS.cleanup;', + 'GodotOS._fs_sync_promise = Promise.resolve();', + ].join(''), + $GodotOS: { + request_quit: function () {}, + _async_cbs: [], + _fs_sync_promise: null, + + atexit: function (p_promise_cb) { + GodotOS._async_cbs.push(p_promise_cb); + }, + + cleanup: function (exit_code) { + const cb = GodotConfig.on_exit; + GodotFS.deinit(); + GodotConfig.clear(); + if (cb) { + cb(exit_code); + } + }, + + finish_async: function (callback) { + GodotOS._fs_sync_promise.then(function (err) { + const promises = []; + GodotOS._async_cbs.forEach(function (cb) { + promises.push(new Promise(cb)); + }); + return Promise.all(promises); + }).then(function () { + return GodotFS.sync(); // Final FS sync. + }).then(function (err) { + // Always deferred. + setTimeout(function () { + callback(); + }, 0); + }); + }, + }, + + godot_js_os_finish_async__sig: 'vi', + godot_js_os_finish_async: function (p_callback) { + const func = GodotRuntime.get_func(p_callback); + GodotOS.finish_async(func); + }, + + godot_js_os_request_quit_cb__sig: 'vi', + godot_js_os_request_quit_cb: function (p_callback) { + GodotOS.request_quit = GodotRuntime.get_func(p_callback); + }, + + godot_js_os_fs_is_persistent__sig: 'i', + godot_js_os_fs_is_persistent: function () { + return GodotFS.is_persistent(); + }, + + godot_js_os_fs_sync__sig: 'vi', + godot_js_os_fs_sync: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotOS._fs_sync_promise = GodotFS.sync(); + GodotOS._fs_sync_promise.then(function (err) { + func(); + }); + }, + + godot_js_os_execute__sig: 'ii', + godot_js_os_execute: function (p_json) { + const json_args = GodotRuntime.parseString(p_json); + const args = JSON.parse(json_args); + if (GodotConfig.on_execute) { + GodotConfig.on_execute(args); + return 0; + } + return 1; + }, + + godot_js_os_shell_open__sig: 'vi', + godot_js_os_shell_open: function (p_uri) { + window.open(GodotRuntime.parseString(p_uri), '_blank'); + }, + + godot_js_os_hw_concurrency_get__sig: 'i', + godot_js_os_hw_concurrency_get: function () { + // TODO Godot core needs fixing to avoid spawning too many threads (> 24). + const concurrency = navigator.hardwareConcurrency || 1; + return concurrency < 2 ? concurrency : 2; + }, + + godot_js_os_download_buffer__sig: 'viiii', + godot_js_os_download_buffer: function (p_ptr, p_size, p_name, p_mime) { + const buf = GodotRuntime.heapSlice(HEAP8, p_ptr, p_size); + const name = GodotRuntime.parseString(p_name); + const mime = GodotRuntime.parseString(p_mime); + const blob = new Blob([buf], { type: mime }); + const url = window.URL.createObjectURL(blob); + const a = document.createElement('a'); + a.href = url; + a.download = name; + a.style.display = 'none'; + document.body.appendChild(a); + a.click(); + a.remove(); + window.URL.revokeObjectURL(url); + }, +}; + +autoAddDeps(GodotOS, '$GodotOS'); +mergeInto(LibraryManager.library, GodotOS); + +/* + * Godot event listeners. + * Keeps track of registered event listeners so it can remove them on shutdown. + */ +const GodotEventListeners = { + $GodotEventListeners__deps: ['$GodotOS'], + $GodotEventListeners__postset: 'GodotOS.atexit(function(resolve, reject) { GodotEventListeners.clear(); resolve(); });', + $GodotEventListeners: { + handlers: [], + + has: function (target, event, method, capture) { + return GodotEventListeners.handlers.findIndex(function (e) { + return e.target === target && e.event === event && e.method === method && e.capture === capture; + }) !== -1; + }, + + add: function (target, event, method, capture) { + if (GodotEventListeners.has(target, event, method, capture)) { + return; + } + function Handler(p_target, p_event, p_method, p_capture) { + this.target = p_target; + this.event = p_event; + this.method = p_method; + this.capture = p_capture; + } + GodotEventListeners.handlers.push(new Handler(target, event, method, capture)); + target.addEventListener(event, method, capture); + }, + + clear: function () { + GodotEventListeners.handlers.forEach(function (h) { + h.target.removeEventListener(h.event, h.method, h.capture); + }); + GodotEventListeners.handlers.length = 0; + }, + }, +}; +mergeInto(LibraryManager.library, GodotEventListeners); + +const GodotPWA = { + + $GodotPWA__deps: ['$GodotRuntime', '$GodotEventListeners'], + $GodotPWA: { + hasUpdate: false, + + updateState: function (cb, reg) { + if (!reg) { + return; + } + if (!reg.active) { + return; + } + if (reg.waiting) { + GodotPWA.hasUpdate = true; + cb(); + } + GodotEventListeners.add(reg, 'updatefound', function () { + const installing = reg.installing; + GodotEventListeners.add(installing, 'statechange', function () { + if (installing.state === 'installed') { + GodotPWA.hasUpdate = true; + cb(); + } + }); + }); + }, + }, + + godot_js_pwa_cb__sig: 'vi', + godot_js_pwa_cb: function (p_update_cb) { + if ('serviceWorker' in navigator) { + const cb = GodotRuntime.get_func(p_update_cb); + navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null, cb)); + } + }, + + godot_js_pwa_update__sig: 'i', + godot_js_pwa_update: function () { + if ('serviceWorker' in navigator && GodotPWA.hasUpdate) { + navigator.serviceWorker.getRegistration().then(function (reg) { + if (!reg || !reg.waiting) { + return; + } + reg.waiting.postMessage('update'); + }); + return 0; + } + return 1; + }, +}; + +autoAddDeps(GodotPWA, '$GodotPWA'); +mergeInto(LibraryManager.library, GodotPWA); |