Update to Debian trixie

os/layers/contestant/includes.chroot/usr/share/gnome-shell/extensions/contest-lock@soi.ch/extension.js

@@ -2,21 +2,27 @@
 // Because of that, this gnome extension is distributed under
 // the terms of the GNU General Public License, version 2 or later.
 
-const {
-  AccountsService, Atk, Clutter, Gio,
-  GLib, Graphene, Meta, Shell, St,
-} = imports.gi;
+import AccountsService from 'gi://AccountsService';
+import Atk from 'gi://Atk';
+import Clutter from 'gi://Clutter';
+import Gio from 'gi://Gio';
+import GLib from 'gi://GLib';
+import Graphene from 'gi://Graphene';
+import Meta from 'gi://Meta';
+import Shell from 'gi://Shell';
+import St from 'gi://St';
 
-const Background = imports.ui.background;
-const Layout = imports.ui.layout;
-const Main = imports.ui.main;
-const ScreenShield = imports.ui.screenShield;
+import {Extension} from 'resource:///org/gnome/shell/extensions/extension.js';
+import * as Background from 'resource:///org/gnome/shell/ui/background.js';
+import * as Layout from 'resource:///org/gnome/shell/ui/layout.js';
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import * as ScreenShield from 'resource:///org/gnome/shell/ui/screenShield.js';
 
 // half of the time for which a frame is displayed
 const HALF_FRAME_TIME_MS = 8;
 
-const BLUR_BRIGHTNESS = 0.55;
-const BLUR_SIGMA = 60;
+const BLUR_BRIGHTNESS = 0.65;
+const BLUR_RADIUS = 90;
 
 const POINTER_HIDE_TIMEOUT = 10 * GLib.USEC_PER_SEC;
 
@@ -43,6 +49,7 @@ let countdownTimeoutId = 0;
 
 let configFile;
 let configMonitor;
+let configLoadCancellable;
 let config;
 let startTime;
 
@@ -59,49 +66,47 @@ function extLogError (msg) {
   printerr(`[contest-lock] Error: ${msg}`);
 }
 
-function loadConfig () {
-  configFile.load_contents_async(null, (obj, res) => {
-    // If there is a poblem with the config file, log an error and keep
-    // using the old config.
-    let newConfig;
-    try {
-      const [ok, bytes] = configFile.load_contents_finish(res);
-      // TextDecoder is used in upstream gnome-shell, but not yet
-      // supported in current Debian.
-      const contentStr = imports.byteArray.toString(bytes);
-      //const contentStr = new TextDecoder().decode(bytes);
-      newConfig = JSON.parse(contentStr);
-    } catch (err) {
-      logError(err, '[contest-lock] config file');
-      return;
-    }
-    if (!(typeof newConfig === 'object' && newConfig != null)) {
-      extLogError('config file: invalid format');
-      return;
-    }
-    if (typeof newConfig.title !== 'string') {
-      extLogError('config file: "title" must be a string');
-      return;
-    }
-    if (typeof newConfig.message !== 'string') {
-      extLogError('config file: "message" must be a string');
-      return;
-    }
-    if (
-      typeof newConfig.startTime !== 'string' ||
-      !/^\d{4,}-\d\d-\d\dT\d\d:\d\d:\d\d\+\d\d:\d\d$/.test(newConfig.startTime)
-    ) {
-      extLogError('config file: "startTime" must be a string with format 0000-00-00T00:00:00+00:00');
-      return;
-    }
+async function loadConfig () {
+  configLoadCancellable?.cancel();
+  configLoadCancellable = new Gio.Cancellable();
 
-    extLog('Loaded new config.')
-    config = newConfig;
-    startTime = (new Date(newConfig.startTime)).getTime();
+  // If there is a poblem with the config file, log an error and keep
+  // using the old config.
+  let newConfig;
+  try {
+    const [ok, bytes] = await configFile.load_contents(configLoadCancellable);
+    const contentStr = new TextDecoder().decode(bytes);
+    newConfig = JSON.parse(contentStr);
+  } catch (err) {
+    logError(err, '[contest-lock] config file');
+    return;
+  }
+  if (typeof newConfig !== 'object' || newConfig == null) {
+    extLogError('config file: invalid format');
+    return;
+  }
+  if (typeof newConfig.title !== 'string') {
+    extLogError('config file: "title" must be a string');
+    return;
+  }
+  if (typeof newConfig.message !== 'string') {
+    extLogError('config file: "message" must be a string');
+    return;
+  }
+  if (
+    typeof newConfig.startTime !== 'string' ||
+    !/^\d{4,}-\d\d-\d\dT\d\d:\d\d:\d\d\+\d\d:\d\d$/.test(newConfig.startTime)
+  ) {
+    extLogError('config file: "startTime" must be a string with format 0000-00-00T00:00:00+00:00');
+    return;
+  }
 
-    updateConfig();
-    syncActive();
-  });
+  extLog('Loaded new config.')
+  config = newConfig;
+  startTime = (new Date(newConfig.startTime)).getTime();
+
+  updateConfig();
+  syncActive();
 }
 
 function syncActive () {
@@ -190,7 +195,7 @@ function updateBackgrounds () {
       effect: new Shell.BlurEffect({
         name: 'blur',
         brightness: BLUR_BRIGHTNESS,
-        sigma: BLUR_SIGMA,
+        radius: BLUR_RADIUS,
       }),
     });
 
@@ -382,7 +387,9 @@ function deactivate () {
   isActiveChanging = false;
 }
 
-function init (extension) {
+var isInitialized = false;
+
+function init () {
   actor = Main.layoutManager.screenShieldGroup;
 
   const userName = GLib.get_user_name();
@@ -395,7 +402,7 @@ function init (extension) {
 
   Main.layoutManager.connect('monitors-changed', updateBackgrounds);
 
-  cursorTracker = Meta.CursorTracker.get_for_display(global.display);
+  cursorTracker = global.backend.get_cursor_tracker();
 
   if (!Main.layoutManager._startingUp) {
     isShellReady = true;
@@ -406,19 +413,6 @@ function init (extension) {
     });
   }
 
-  // TODO: When we drop compatibility with gnome <42, remove this code,
-  // rename the stylesheet back to stylesheet.css (so that it is loaded
-  // by the extension system) and add a session-modes property which
-  // includes unlock-dialog to metadata.json.
-  const theme = St.ThemeContext.get_for_stage(global.stage).get_theme();
-  const stylesheetFile = extension.dir.get_child('stylesheet-always.css');
-  theme.load_stylesheet(stylesheetFile);
-
-  // TODO: When we drop compatibility with gnome <42, remove this code.
-  // gnome 38 has a bug that causes extensions to break when running
-  // `dconf update` while the screen is locked.
-  Main.extensionManager.reloadExtension = function () {};
-
   configFile = Gio.File.new_for_path('/etc/contest-lock.json');
   configMonitor = configFile.monitor_file(Gio.FileMonitorFlags.NONE, null);
   configMonitor.set_rate_limit(1000);
@@ -426,12 +420,18 @@ function init (extension) {
   loadConfig();
 }
 
-function enable () {
-  isExtensionEnabled = true;
-  syncActive();
-}
+export default class ContestLockExtension extends Extension {
+  enable () {
+    if (!isInitialized) {
+      init();
+      isInitialized = true;
+    }
+    isExtensionEnabled = true;
+    syncActive();
+  }
 
-function disable () {
-  isExtensionEnabled = false;
-  syncActive();
+  disable () {
+    isExtensionEnabled = false;
+    syncActive();
+  }
 }

os/layers/contestant/includes.chroot/usr/share/gnome-shell/extensions/contest-lock@soi.ch/metadata.json

@@ -3,6 +3,7 @@
     "uuid": "contest-lock@soi.ch",
     "name": "Contest lock screen",
     "description": "A custom lock screen for contests.",
-    "shell-version": [ "3.38", "42", "43" ],
+    "session-modes": [ "user", "unlock-dialog" ],
+    "shell-version": [ "48" ],
     "url": ""
 }

os/layers/contestant/includes.chroot/usr/share/gnome-shell/extensions/contest-lock@soi.ch/stylesheet.css

@@ -1,24 +1,24 @@
 .contest-lock-stack {
     color: white;
     text-align: center;
-    spacing: 24px;
+    spacing: 32px;
 }
 
 .contest-lock-countdown {
-    font-size: 64pt;
+    font-size: 96pt;
     font-weight: 300;
     font-feature-settings: "tnum"; /* tabular figures */
 }
 
 .contest-lock-title {
-    font-size: 16pt;
+    font-size: 24pt;
 }
 
 .contest-lock-user {
-    font-size: 20pt;
+    font-size: 32pt;
 }
 
 .contest-lock-message {
-    padding-top: 24px;
-    font-size: 16pt;
+    padding-top: 32px;
+    font-size: 24pt;
 }