tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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OSPreferences_gtk.cpp (2581B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
      2 *
      3 * This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include <locale.h>
      8 #include "mozilla/LookAndFeel.h"
      9 #include "mozilla/intl/Locale.h"
     10 #include "OSPreferences.h"
     11 
     12 #include "nsServiceManagerUtils.h"
     13 
     14 using namespace mozilla;
     15 using namespace mozilla::intl;
     16 
     17 OSPreferences::OSPreferences() = default;
     18 
     19 bool OSPreferences::ReadSystemLocales(nsTArray<nsCString>& aLocaleList) {
     20  MOZ_ASSERT(aLocaleList.IsEmpty());
     21 
     22  nsAutoCString defaultLang(Locale::GetDefaultLocale());
     23 
     24  if (CanonicalizeLanguageTag(defaultLang)) {
     25    aLocaleList.AppendElement(defaultLang);
     26    return true;
     27  }
     28  return false;
     29 }
     30 
     31 bool OSPreferences::ReadRegionalPrefsLocales(nsTArray<nsCString>& aLocaleList) {
     32  MOZ_ASSERT(aLocaleList.IsEmpty());
     33 
     34  // For now we're just taking the LC_TIME from POSIX environment for all
     35  // regional preferences.
     36  nsAutoCString localeStr(setlocale(LC_TIME, nullptr));
     37 
     38  if (CanonicalizeLanguageTag(localeStr)) {
     39    aLocaleList.AppendElement(localeStr);
     40    return true;
     41  }
     42 
     43  return false;
     44 }
     45 
     46 /**
     47 * Since Gtk does not provide a way to customize or format date/time patterns,
     48 * we're reusing ICU data here, but we do modify it according to the only
     49 * setting Gtk gives us - hourCycle.
     50 *
     51 * This means that for gtk we will return a pattern from ICU altered to
     52 * represent h12/h24 hour cycle if the user modified the default value.
     53 *
     54 * In short, this should work like this:
     55 *
     56 *  * gtk defaults, pl: 24h
     57 *  * gtk defaults, en: 12h
     58 *
     59 *  * gtk 12h, pl: 12h
     60 *  * gtk 12h, en: 12h
     61 *
     62 *  * gtk 24h, pl: 24h
     63 *  * gtk 12h, en: 12h
     64 */
     65 bool OSPreferences::ReadDateTimePattern(DateTimeFormatStyle aDateStyle,
     66                                        DateTimeFormatStyle aTimeStyle,
     67                                        const nsACString& aLocale,
     68                                        nsACString& aRetVal) {
     69  nsAutoCString skeleton;
     70  if (!GetDateTimeSkeletonForStyle(aDateStyle, aTimeStyle, aLocale, skeleton)) {
     71    return false;
     72  }
     73 
     74  // Customize the skeleton if necessary to reflect user's 12/24hr pref
     75  int hourCycle = LookAndFeel::GetInt(LookAndFeel::IntID::HourCycle);
     76  if (hourCycle == 12 || hourCycle == 24) {
     77    OverrideSkeletonHourCycle(hourCycle == 24, skeleton);
     78  }
     79 
     80  if (!GetPatternForSkeleton(skeleton, aLocale, aRetVal)) {
     81    return false;
     82  }
     83 
     84  return true;
     85 }
     86 
     87 void OSPreferences::RemoveObservers() {}