diff options
Diffstat (limited to 'platform/javascript/js/libs/library_godot_os.js')
| -rw-r--r-- | platform/javascript/js/libs/library_godot_os.js | 103 |
1 files changed, 100 insertions, 3 deletions
diff --git a/platform/javascript/js/libs/library_godot_os.js b/platform/javascript/js/libs/library_godot_os.js index 99e7ee8b5f..377eec3234 100644 --- a/platform/javascript/js/libs/library_godot_os.js +++ b/platform/javascript/js/libs/library_godot_os.js @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* 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 */ @@ -305,7 +305,9 @@ const GodotOS = { godot_js_os_hw_concurrency_get__sig: 'i', godot_js_os_hw_concurrency_get: function () { - return navigator.hardwareConcurrency || 1; + // 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', @@ -328,3 +330,98 @@ const GodotOS = { 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); |