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[tor-commits] [tor-browser] 22/57: Bug 41369: Improve Firefox language settings for multi-lingual packages



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richard pushed a commit to branch tor-browser-102.5.0esr-12.0-2
in repository tor-browser.

commit f0e75b468e979ea4aa2733755d58a7300947908e
Author: Pier Angelo Vendrame <pierov@xxxxxxxxxxxxxx>
AuthorDate: Tue Oct 18 19:02:18 2022 +0200

    Bug 41369: Improve Firefox language settings for multi-lingual packages
    
    Change the language selector to be sorted by language code, rather than
    name, and to display the language code to the user.
    
    Bug 41372: Handle Japanese as a special case in preferences on macOS
    
    Japanese is treated in a special way on macOS. However, seeing the
    Japanese language tag could be confusing for users, and moreover the
    language name is not localized correctly like other langs.
    
    Bug 41378: Tell users that they can change their language at the first start
    
    With multi-lingual builds, Tor Browser matches the user's system
    language, but some users might want to change it.
    So, we tell them that it is possible, but only once.
---
 browser/base/content/browser.xhtml                 |  2 +
 browser/base/content/languageNotification.js       | 67 ++++++++++++++++++++++
 browser/base/jar.mn                                |  2 +
 browser/components/preferences/main.inc.xhtml      |  2 +-
 browser/components/preferences/main.js             | 24 +++++++-
 .../locales/en-US/browser/languageNotification.ftl | 10 ++++
 6 files changed, 104 insertions(+), 3 deletions(-)

diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
index 32fca7fdc89c..0750982c3483 100644
--- a/browser/base/content/browser.xhtml
+++ b/browser/base/content/browser.xhtml
@@ -85,6 +85,7 @@
 #ifdef NIGHTLY_BUILD
   <link rel="localization" href="preview/firefoxView.ftl"/>
 #endif
+  <link rel="localization" href="browser/languageNotification.ftl"/>
 
   <title data-l10n-id="browser-main-window-title"></title>
 
@@ -112,6 +113,7 @@
   Services.scriptloader.loadSubScript("chrome://browser/content/places/places-menupopup.js", this);
   Services.scriptloader.loadSubScript("chrome://browser/content/search/autocomplete-popup.js", this);
   Services.scriptloader.loadSubScript("chrome://browser/content/search/searchbar.js", this);
+  Services.scriptloader.loadSubScript("chrome://browser/content/languageNotification.js", this);
 
   window.onload = gBrowserInit.onLoad.bind(gBrowserInit);
   window.onunload = gBrowserInit.onUnload.bind(gBrowserInit);
diff --git a/browser/base/content/languageNotification.js b/browser/base/content/languageNotification.js
new file mode 100644
index 000000000000..73a5da0b58aa
--- /dev/null
+++ b/browser/base/content/languageNotification.js
@@ -0,0 +1,67 @@
+"use strict";
+
+// Show a prompt to suggest to the user that they can change the UI language.
+// Show it only the first time, and then do not show it anymore
+window.addEventListener("load", async () => {
+  const PREF_NAME = "intl.language_notification.shown";
+
+  if (Services.prefs.getBoolPref(PREF_NAME, false)) {
+    return;
+  }
+
+  // Already customized, we do not suggest to change it again...
+  if (Services.prefs.getCharPref("intl.locale.requested", "") !== "") {
+    // ... and we never show the notification, either
+    Services.prefs.setBoolPref(PREF_NAME, true);
+    return;
+  }
+
+  // In sync with our changes on browser/components/preferences/main.js for
+  // tor-browser#41369 and tor-browser#41372.
+  const code =
+    Services.locale.appLocaleAsBCP47 === "ja-JP-macos"
+      ? "ja"
+      : Services.locale.appLocaleAsBCP47;
+  const language = Services.intl
+    .getLocaleDisplayNames(undefined, [code], { preferNative: true })[0]
+    .replace(/\s*\(.+\)$/g, "");
+
+  // We want to determine whether the current locale was chosen based on the
+  // system locales, in which case langauge negotiation returns a match, or
+  // whether it simply defaulted to en-US.
+  const matchingSystem = !!Services.locale.negotiateLanguages(
+    // Since intl.locale.requested is empty, we expect requestedLocales to match
+    // the user's system locales.
+    Services.locale.requestedLocales,
+    Services.locale.availableLocales
+  ).length;
+  const label = await document.l10n.formatValue(
+    matchingSystem
+      ? "language-notification-label-system"
+      : "language-notification-label",
+    { language }
+  );
+
+  const buttons = [
+    {
+      "l10n-id": "language-notification-button",
+      callback() {
+        openPreferences("general-language");
+      },
+    },
+  ];
+
+  gNotificationBox.appendNotification(
+    "language-notification",
+    {
+      label,
+      priority: gNotificationBox.PRIORITY_INFO_HIGH,
+    },
+    buttons
+  );
+
+  // We do not wait for the user to either click on the button or dismiss the
+  // notification: after we have shown it once, we take for granted that the
+  // user has seen it and we never show it again.
+  Services.prefs.setBoolPref(PREF_NAME, true);
+});
diff --git a/browser/base/jar.mn b/browser/base/jar.mn
index d2b075a50f39..c57663d64408 100644
--- a/browser/base/jar.mn
+++ b/browser/base/jar.mn
@@ -106,6 +106,8 @@ browser.jar:
         content/browser/spotlight.js                  (content/spotlight.js)
 *       content/browser/default-bookmarks.html        (content/default-bookmarks.html)
 
+        content/browser/languageNotification.js       (content/languageNotification.js)
+
 % override chrome://global/content/netError.xhtml chrome://browser/content/certerror/aboutNetError.xhtml
 
 # L10n resources and overrides.
diff --git a/browser/components/preferences/main.inc.xhtml b/browser/components/preferences/main.inc.xhtml
index 0deb010bbefd..d655ac37aed1 100644
--- a/browser/components/preferences/main.inc.xhtml
+++ b/browser/components/preferences/main.inc.xhtml
@@ -322,7 +322,7 @@
 </groupbox>
 
 <!-- Languages -->
-<groupbox id="languagesGroup" data-category="paneGeneral" hidden="true">
+<groupbox id="languagesGroup" data-category="paneGeneral" hidden="true" data-subcategory="language">
   <label><html:h2 data-l10n-id="language-header"/></label>
 
   <vbox id="browserLanguagesBox" align="start" hidden="true">
diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
index f0864a5cfff4..171198b181a7 100644
--- a/browser/components/preferences/main.js
+++ b/browser/components/preferences/main.js
@@ -1027,8 +1027,28 @@ var gMainPane = {
       available,
       { preferNative: true }
     );
-    let locales = available.map((code, i) => ({ code, name: localeNames[i] }));
-    locales.sort((a, b) => a.name > b.name);
+    let locales = available.map((code, i) => {
+      let name = localeNames[i].replace(/\s*\(.+\)$/g, "");
+      if (code === "ja-JP-macos") {
+        // Mozilla codebases handle Japanese in macOS in different ways,
+        // sometimes they call it ja-JP-mac and sometimes they call it
+        // ja-JP-macos. The former is translated to Japanese when specifying
+        // preferNative to true, the latter is not. Since seeing ja-JP-macos
+        // would be confusing anyway, we treat it as a special case.
+        // See tor-browser#41372 and Bug 1726586.
+        name =
+          Services.intl.getLocaleDisplayNames(undefined, ["ja"], {
+            preferNative: true,
+          })[0] + " (ja)";
+      } else {
+        name += ` (${code})`;
+      }
+      return {
+        code,
+        name,
+      };
+    });
+    locales.sort((a, b) => a.code.localeCompare(b.code));
 
     let fragment = document.createDocumentFragment();
     for (let { code, name } of locales) {
diff --git a/browser/locales/en-US/browser/languageNotification.ftl b/browser/locales/en-US/browser/languageNotification.ftl
new file mode 100644
index 000000000000..2ad06bf5c2d5
--- /dev/null
+++ b/browser/locales/en-US/browser/languageNotification.ftl
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# $language is the language Tor Browser is displayed in (already translated)
+language-notification-label-system = { -brand-short-name } has set your display language to { $language } based on your system’s language.
+# This is shown when the system language is not supported, so we fall back to another language instead.
+# $language is the language Tor Browser is displayed in (already translated).
+language-notification-label = { -brand-short-name } has set your display language to { $language }.
+language-notification-button = Change Language…

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