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-rw-r--r--doc/classes/JavaScript.xml22
-rw-r--r--misc/dist/html/editor.html36
-rw-r--r--misc/dist/html/service-worker.js112
-rw-r--r--platform/javascript/api/api.cpp9
-rw-r--r--platform/javascript/api/javascript_singleton.h2
-rw-r--r--platform/javascript/export/export_plugin.cpp52
-rw-r--r--platform/javascript/godot_js.h2
-rw-r--r--platform/javascript/javascript_singleton.cpp8
-rw-r--r--platform/javascript/js/engine/config.js8
-rw-r--r--platform/javascript/js/engine/engine.js3
-rw-r--r--platform/javascript/js/libs/library_godot_os.js55
-rw-r--r--platform/javascript/os_javascript.cpp16
-rw-r--r--platform/javascript/os_javascript.h5
13 files changed, 264 insertions, 66 deletions
diff --git a/doc/classes/JavaScript.xml b/doc/classes/JavaScript.xml
index aeaf8ac1f5..4ea60ad867 100644
--- a/doc/classes/JavaScript.xml
+++ b/doc/classes/JavaScript.xml
@@ -53,5 +53,27 @@
Returns an interface to a JavaScript object that can be used by scripts. The [code]interface[/code] must be a valid property of the JavaScript [code]window[/code]. The callback must accept a single [Array] argument, which will contain the JavaScript [code]arguments[/code]. See [JavaScriptObject] for usage.
</description>
</method>
+ <method name="pwa_needs_update" qualifiers="const">
+ <return type="bool" />
+ <description>
+ Returns [code]true[/code] if a new version of the progressive web app is waiting to be activated.
+ [b]Note:[/b] Only relevant when exported as a Progressive Web App.
+ </description>
+ </method>
+ <method name="pwa_update">
+ <return type="int" enum="Error" />
+ <description>
+ Performs the live update of the progressive web app. Forcing the new version to be installed and the page to be reloaded.
+ [b]Note:[/b] Your application will be [b]reloaded in all browser tabs[/b].
+ [b]Note:[/b] Only relevant when exported as a Progressive Web App and [method pwa_needs_update] returns [code]true[/code].
+ </description>
+ </method>
</methods>
+ <signals>
+ <signal name="pwa_update_available">
+ <description>
+ Emitted when an update for this progressive web app has been detected but is waiting to be activated because a previous version is active. See [method pwa_update] to force the update to take place immediately.
+ </description>
+ </signal>
+ </signals>
</class>
diff --git a/misc/dist/html/editor.html b/misc/dist/html/editor.html
index a681a2a1c3..9e03f50c37 100644
--- a/misc/dist/html/editor.html
+++ b/misc/dist/html/editor.html
@@ -265,6 +265,7 @@
<button id="btn-close-editor" class="btn close-btn" disabled="disabled" onclick="closeEditor()">×</button>
<button id="btn-tab-game" class="btn tab-btn" disabled="disabled" onclick="showTab('game')">Game</button>
<button id="btn-close-game" class="btn close-btn" disabled="disabled" onclick="closeGame()">×</button>
+ <button id="btn-tab-update" class="btn tab-btn" style="display: none;">Update</button>
</div>
<div id="tabs">
<div id="tab-loader">
@@ -324,10 +325,39 @@
<div id="status-notice" class="godot" style="display: none;"></div>
</div>
</div>
- <script>
+ <script>//<![CDATA[
window.addEventListener("load", () => {
+ function notifyUpdate(sw) {
+ const btn = document.getElementById("btn-tab-update");
+ btn.onclick = function () {
+ if (!window.confirm("Are you sure you want to update?\nClicking \"OK\" will reload all active instances!")) {
+ return;
+ }
+ sw.postMessage("update");
+ btn.innerHTML = "Updating...";
+ btn.disabled = true;
+ };
+ btn.style.display = "";
+ }
if ("serviceWorker" in navigator) {
- navigator.serviceWorker.register("service.worker.js");
+ navigator.serviceWorker.register("service.worker.js").then(function (reg) {
+ if (reg.waiting) {
+ notifyUpdate(reg.waiting);
+ }
+ reg.addEventListener("updatefound", function () {
+ const update = reg.installing;
+ update.addEventListener("statechange", function () {
+ if (update.state === "installed") {
+ // It's a new install, claim and perform aggressive caching.
+ if (!reg.active) {
+ update.postMessage("claim");
+ } else {
+ notifyUpdate(update);
+ }
+ }
+ });
+ });
+ });
}
if (localStorage.getItem("welcomeModalDismissed") !== 'true') {
@@ -342,7 +372,7 @@
localStorage.setItem("welcomeModalDismissed", 'true');
}
}
- </script>
+ //]]></script>
<script src="godot.tools.js"></script>
<script>//<![CDATA[
diff --git a/misc/dist/html/service-worker.js b/misc/dist/html/service-worker.js
index 063e40a6cb..310574f21d 100644
--- a/misc/dist/html/service-worker.js
+++ b/misc/dist/html/service-worker.js
@@ -4,7 +4,8 @@
// Incrementing CACHE_VERSION will kick off the install event and force
// previously cached resources to be updated from the network.
const CACHE_VERSION = "@GODOT_VERSION@";
-const CACHE_NAME = "@GODOT_NAME@-cache";
+const CACHE_PREFIX = "@GODOT_NAME@-sw-cache-";
+const CACHE_NAME = CACHE_PREFIX + CACHE_VERSION;
const OFFLINE_URL = "@GODOT_OFFLINE_PAGE@";
// Files that will be cached on load.
const CACHED_FILES = @GODOT_CACHE@;
@@ -13,26 +14,35 @@ const CACHABLE_FILES = @GODOT_OPT_CACHE@;
const FULL_CACHE = CACHED_FILES.concat(CACHABLE_FILES);
self.addEventListener("install", (event) => {
- event.waitUntil(async function () {
- const cache = await caches.open(CACHE_NAME);
- // Clear old cache (including optionals).
- await Promise.all(FULL_CACHE.map(path => cache.delete(path)));
- // Insert new one.
- const done = await cache.addAll(CACHED_FILES);
- return done;
- }());
+ event.waitUntil(caches.open(CACHE_NAME).then(cache => cache.addAll(CACHED_FILES)));
});
self.addEventListener("activate", (event) => {
- event.waitUntil(async function () {
- if ("navigationPreload" in self.registration) {
- await self.registration.navigationPreload.enable();
- }
- }());
- // Tell the active service worker to take control of the page immediately.
- self.clients.claim();
+ event.waitUntil(caches.keys().then(
+ function (keys) {
+ // Remove old caches.
+ return Promise.all(keys.filter(key => key.startsWith(CACHE_PREFIX) && key != CACHE_NAME).map(key => caches.delete(key)));
+ }).then(function() {
+ // Enable navigation preload if available.
+ return ("navigationPreload" in self.registration) ? self.registration.navigationPreload.enable() : Promise.resolve();
+ })
+ );
});
+async function fetchAndCache(event, cache, isCachable) {
+ // Use the preloaded response, if it's there
+ let response = await event.preloadResponse;
+ if (!response) {
+ // Or, go over network.
+ response = await self.fetch(event.request);
+ }
+ if (isCachable) {
+ // And update the cache
+ cache.put(event.request, response.clone());
+ }
+ return response;
+}
+
self.addEventListener("fetch", (event) => {
const isNavigate = event.request.mode === "navigate";
const url = event.request.url || "";
@@ -42,32 +52,54 @@ self.addEventListener("fetch", (event) => {
const isCachable = FULL_CACHE.some(v => v === local) || (base === referrer && base.endsWith(CACHED_FILES[0]));
if (isNavigate || isCachable) {
event.respondWith(async function () {
- try {
- // Use the preloaded response, if it's there
- let request = event.request.clone();
- let response = await event.preloadResponse;
- if (!response) {
- // Or, go over network.
- response = await fetch(event.request);
- }
- if (isCachable) {
- // Update the cache
- const cache = await caches.open(CACHE_NAME);
- cache.put(request, response.clone());
- }
- return response;
- } catch (error) {
- const cache = await caches.open(CACHE_NAME);
- if (event.request.mode === "navigate") {
- // Check if we have full cache.
- const cached = await Promise.all(FULL_CACHE.map(name => cache.match(name)));
- const missing = cached.some(v => v === undefined);
- const cachedResponse = missing ? await caches.match(OFFLINE_URL) : await caches.match(CACHED_FILES[0]);
- return cachedResponse;
+ // Try to use cache first
+ const cache = await caches.open(CACHE_NAME);
+ if (event.request.mode === "navigate") {
+ // Check if we have full cache during HTML page request.
+ const fullCache = await Promise.all(FULL_CACHE.map(name => cache.match(name)));
+ const missing = fullCache.some(v => v === undefined);
+ if (missing) {
+ try {
+ // Try network if some cached file is missing (so we can display offline page in case).
+ return await fetchAndCache(event, cache, isCachable);
+ } catch (e) {
+ // And return the hopefully always cached offline page in case of network failure.
+ console.error("Network error: ", e);
+ return await caches.match(OFFLINE_URL);
+ }
}
- const cachedResponse = await caches.match(event.request);
- return cachedResponse;
+ }
+ const cached = await cache.match(event.request);
+ if (cached) {
+ return cached;
+ } else {
+ // Try network if don't have it in cache.
+ return await fetchAndCache(event, cache, isCachable);
}
}());
}
});
+
+self.addEventListener("message", (event) => {
+ // No cross origin
+ if (event.origin != self.origin) {
+ return;
+ }
+ const id = event.source.id || "";
+ const msg = event.data || "";
+ // Ensure it's one of our clients.
+ self.clients.get(id).then(function (client) {
+ if (!client) {
+ return; // Not a valid client.
+ }
+ if (msg === "claim") {
+ self.skipWaiting().then(() => self.clients.claim());
+ } else if (msg === "clear") {
+ caches.delete(CACHE_NAME);
+ } else if (msg === "update") {
+ self.skipWaiting().then(() => self.clients.claim()).then(() => self.clients.matchAll()).then(all => all.forEach(c => c.navigate(c.url)));
+ } else {
+ onClientMessage(event);
+ }
+ });
+});
diff --git a/platform/javascript/api/api.cpp b/platform/javascript/api/api.cpp
index 0c4accccc3..4190b24b8e 100644
--- a/platform/javascript/api/api.cpp
+++ b/platform/javascript/api/api.cpp
@@ -71,6 +71,9 @@ void JavaScript::_bind_methods() {
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "create_object", &JavaScript::_create_object_bind, mi);
}
ClassDB::bind_method(D_METHOD("download_buffer", "buffer", "name", "mime"), &JavaScript::download_buffer, DEFVAL("application/octet-stream"));
+ ClassDB::bind_method(D_METHOD("pwa_needs_update"), &JavaScript::pwa_needs_update);
+ ClassDB::bind_method(D_METHOD("pwa_update"), &JavaScript::pwa_update);
+ ADD_SIGNAL(MethodInfo("pwa_update_available"));
}
#if !defined(JAVASCRIPT_ENABLED) || !defined(JAVASCRIPT_EVAL_ENABLED)
@@ -102,6 +105,12 @@ Variant JavaScript::_create_object_bind(const Variant **p_args, int p_argcount,
}
#endif
#if !defined(JAVASCRIPT_ENABLED)
+bool JavaScript::pwa_needs_update() const {
+ return false;
+}
+Error JavaScript::pwa_update() {
+ return ERR_UNAVAILABLE;
+}
void JavaScript::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) {
}
#endif
diff --git a/platform/javascript/api/javascript_singleton.h b/platform/javascript/api/javascript_singleton.h
index 63f1aec624..e93b0a18a1 100644
--- a/platform/javascript/api/javascript_singleton.h
+++ b/platform/javascript/api/javascript_singleton.h
@@ -59,6 +59,8 @@ public:
Ref<JavaScriptObject> create_callback(const Callable &p_callable);
Variant _create_object_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
void download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime = "application/octet-stream");
+ bool pwa_needs_update() const;
+ Error pwa_update();
static JavaScript *get_singleton();
JavaScript();
diff --git a/platform/javascript/export/export_plugin.cpp b/platform/javascript/export/export_plugin.cpp
index 92826630b4..d4c198d631 100644
--- a/platform/javascript/export/export_plugin.cpp
+++ b/platform/javascript/export/export_plugin.cpp
@@ -139,8 +139,7 @@ void EditorExportPlatformJavaScript::_fix_html(Vector<uint8_t> &p_html, const Re
}
if (p_preset->get("progressive_web_app/enabled")) {
head_include += "<link rel='manifest' href='" + p_name + ".manifest.json'>\n";
- head_include += "<script type='application/javascript'>window.addEventListener('load', () => {if ('serviceWorker' in navigator) {navigator.serviceWorker.register('" +
- p_name + ".service.worker.js');}});</script>\n";
+ config["serviceWorker"] = p_name + ".service.worker.js";
}
// Replaces HTML string
@@ -188,35 +187,46 @@ Error EditorExportPlatformJavaScript::_add_manifest_icon(const String &p_path, c
}
Error EditorExportPlatformJavaScript::_build_pwa(const Ref<EditorExportPreset> &p_preset, const String p_path, const Vector<SharedObject> &p_shared_objects) {
+ String proj_name = ProjectSettings::get_singleton()->get_setting("application/config/name");
+ if (proj_name.is_empty()) {
+ proj_name = "Godot Game";
+ }
+
// Service worker
const String dir = p_path.get_base_dir();
const String name = p_path.get_file().get_basename();
const ExportMode mode = (ExportMode)(int)p_preset->get("variant/export_type");
Map<String, String> replaces;
- replaces["@GODOT_VERSION@"] = "1";
- replaces["@GODOT_NAME@"] = name;
+ replaces["@GODOT_VERSION@"] = String::num_int64(OS::get_singleton()->get_unix_time()) + "|" + String::num_int64(OS::get_singleton()->get_ticks_usec());
+ replaces["@GODOT_NAME@"] = proj_name.substr(0, 16);
replaces["@GODOT_OFFLINE_PAGE@"] = name + ".offline.html";
- Array files;
- replaces["@GODOT_OPT_CACHE@"] = Variant(files).to_json_string();
- files.push_back(name + ".html");
- files.push_back(name + ".js");
- files.push_back(name + ".wasm");
- files.push_back(name + ".pck");
- files.push_back(name + ".offline.html");
+
+ // Files cached during worker install.
+ Array cache_files;
+ cache_files.push_back(name + ".html");
+ cache_files.push_back(name + ".js");
+ cache_files.push_back(name + ".offline.html");
if (p_preset->get("html/export_icon")) {
- files.push_back(name + ".icon.png");
- files.push_back(name + ".apple-touch-icon.png");
+ cache_files.push_back(name + ".icon.png");
+ cache_files.push_back(name + ".apple-touch-icon.png");
}
if (mode == EXPORT_MODE_THREADS) {
- files.push_back(name + ".worker.js");
- files.push_back(name + ".audio.worklet.js");
- } else if (mode == EXPORT_MODE_GDNATIVE) {
- files.push_back(name + ".side.wasm");
+ cache_files.push_back(name + ".worker.js");
+ cache_files.push_back(name + ".audio.worklet.js");
+ }
+ replaces["@GODOT_CACHE@"] = Variant(cache_files).to_json_string();
+
+ // Heavy files that are cached on demand.
+ Array opt_cache_files;
+ opt_cache_files.push_back(name + ".wasm");
+ opt_cache_files.push_back(name + ".pck");
+ if (mode == EXPORT_MODE_GDNATIVE) {
+ opt_cache_files.push_back(name + ".side.wasm");
for (int i = 0; i < p_shared_objects.size(); i++) {
- files.push_back(p_shared_objects[i].path.get_file());
+ opt_cache_files.push_back(p_shared_objects[i].path.get_file());
}
}
- replaces["@GODOT_CACHE@"] = Variant(files).to_json_string();
+ replaces["@GODOT_OPT_CACHE@"] = Variant(opt_cache_files).to_json_string();
const String sw_path = dir.plus_file(name + ".service.worker.js");
Vector<uint8_t> sw;
@@ -256,10 +266,6 @@ Error EditorExportPlatformJavaScript::_build_pwa(const Ref<EditorExportPreset> &
const int orientation = CLAMP(int(p_preset->get("progressive_web_app/orientation")), 0, 3);
Dictionary manifest;
- String proj_name = ProjectSettings::get_singleton()->get_setting("application/config/name");
- if (proj_name.is_empty()) {
- proj_name = "Godot Game";
- }
manifest["name"] = proj_name;
manifest["start_url"] = "./" + name + ".html";
manifest["display"] = String::utf8(modes[display]);
diff --git a/platform/javascript/godot_js.h b/platform/javascript/godot_js.h
index 15de8b5dc7..2cb5c3025c 100644
--- a/platform/javascript/godot_js.h
+++ b/platform/javascript/godot_js.h
@@ -49,6 +49,8 @@ extern void godot_js_os_fs_sync(void (*p_callback)());
extern int godot_js_os_execute(const char *p_json);
extern void godot_js_os_shell_open(const char *p_uri);
extern int godot_js_os_hw_concurrency_get();
+extern int godot_js_pwa_cb(void (*p_callback)());
+extern int godot_js_pwa_update();
// Input
extern void godot_js_input_mouse_button_cb(int (*p_callback)(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers));
diff --git a/platform/javascript/javascript_singleton.cpp b/platform/javascript/javascript_singleton.cpp
index b10e8007c0..77858bff01 100644
--- a/platform/javascript/javascript_singleton.cpp
+++ b/platform/javascript/javascript_singleton.cpp
@@ -30,6 +30,7 @@
#include "api/javascript_singleton.h"
#include "emscripten.h"
+#include "os_javascript.h"
extern "C" {
extern void godot_js_os_download_buffer(const uint8_t *p_buf, int p_buf_size, const char *p_name, const char *p_mime);
@@ -355,3 +356,10 @@ Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) {
void JavaScript::download_buffer(Vector<uint8_t> p_arr, const String &p_name, const String &p_mime) {
godot_js_os_download_buffer(p_arr.ptr(), p_arr.size(), p_name.utf8().get_data(), p_mime.utf8().get_data());
}
+
+bool JavaScript::pwa_needs_update() const {
+ return OS_JavaScript::get_singleton()->pwa_needs_update();
+}
+Error JavaScript::pwa_update() {
+ return OS_JavaScript::get_singleton()->pwa_update();
+}
diff --git a/platform/javascript/js/engine/config.js b/platform/javascript/js/engine/config.js
index a6f9c4614c..2e5e1ed0d1 100644
--- a/platform/javascript/js/engine/config.js
+++ b/platform/javascript/js/engine/config.js
@@ -107,6 +107,13 @@ const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-
*/
experimentalVK: false,
/**
+ * The progressive web app service worker to install.
+ * @memberof EngineConfig
+ * @default
+ * @type {string}
+ */
+ serviceWorker: '',
+ /**
* @ignore
* @type {Array.<string>}
*/
@@ -249,6 +256,7 @@ const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-
this.persistentDrops = parse('persistentDrops', this.persistentDrops);
this.experimentalVK = parse('experimentalVK', this.experimentalVK);
this.focusCanvas = parse('focusCanvas', this.focusCanvas);
+ this.serviceWorker = parse('serviceWorker', this.serviceWorker);
this.gdnativeLibs = parse('gdnativeLibs', this.gdnativeLibs);
this.fileSizes = parse('fileSizes', this.fileSizes);
this.args = parse('args', this.args);
diff --git a/platform/javascript/js/engine/engine.js b/platform/javascript/js/engine/engine.js
index 17a8df9e29..d2ba595083 100644
--- a/platform/javascript/js/engine/engine.js
+++ b/platform/javascript/js/engine/engine.js
@@ -189,6 +189,9 @@ const Engine = (function () {
preloader.preloadedFiles.length = 0; // Clear memory
me.rtenv['callMain'](me.config.args);
initPromise = null;
+ if (me.config.serviceWorker && 'serviceWorker' in navigator) {
+ navigator.serviceWorker.register(me.config.serviceWorker);
+ }
resolve();
});
});
diff --git a/platform/javascript/js/libs/library_godot_os.js b/platform/javascript/js/libs/library_godot_os.js
index 662d215443..12d06a8d51 100644
--- a/platform/javascript/js/libs/library_godot_os.js
+++ b/platform/javascript/js/libs/library_godot_os.js
@@ -368,3 +368,58 @@ const GodotEventListeners = {
},
};
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);
diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index 39eea13ca1..de5ca44f9d 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -45,6 +45,7 @@
#include <emscripten.h>
#include <stdlib.h>
+#include "api/javascript_singleton.h"
#include "godot_js.h"
void OS_JavaScript::alert(const String &p_alert, const String &p_title) {
@@ -203,6 +204,19 @@ void OS_JavaScript::file_access_close_callback(const String &p_file, int p_flags
}
}
+void OS_JavaScript::update_pwa_state_callback() {
+ if (OS_JavaScript::get_singleton()) {
+ OS_JavaScript::get_singleton()->pwa_is_waiting = true;
+ }
+ if (JavaScript::get_singleton()) {
+ JavaScript::get_singleton()->emit_signal("pwa_update_available");
+ }
+}
+
+Error OS_JavaScript::pwa_update() {
+ return godot_js_pwa_update() ? FAILED : OK;
+}
+
bool OS_JavaScript::is_userfs_persistent() const {
return idb_available;
}
@@ -226,6 +240,8 @@ OS_JavaScript::OS_JavaScript() {
godot_js_config_locale_get(locale_ptr, 16);
setenv("LANG", locale_ptr, true);
+ godot_js_pwa_cb(&OS_JavaScript::update_pwa_state_callback);
+
if (AudioDriverJavaScript::is_available()) {
#ifdef NO_THREADS
audio_drivers.push_back(memnew(AudioDriverScriptProcessor));
diff --git a/platform/javascript/os_javascript.h b/platform/javascript/os_javascript.h
index 3404fe9dcf..9e272f9aa1 100644
--- a/platform/javascript/os_javascript.h
+++ b/platform/javascript/os_javascript.h
@@ -45,11 +45,13 @@ class OS_JavaScript : public OS_Unix {
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;
@@ -65,6 +67,9 @@ public:
// Override return type to make writing static callbacks less tedious.
static OS_JavaScript *get_singleton();
+ bool pwa_needs_update() const { return pwa_is_waiting; }
+ Error pwa_update();
+
void initialize_joypads() override;
MainLoop *get_main_loop() const override;