svtools/source/misc/langhelp.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <string_view>
  13
  14 #include <comphelper/sequence.hxx>
  15 #include <i18nlangtag/languagetag.hxx>
  16 #include <i18nlangtag/mslangid.hxx>
  17 #include <officecfg/Office/Common.hxx>
  18 #include <officecfg/System.hxx>
  19 #include <org/freedesktop/PackageKit/SyncDbusSessionHelper.hpp>
  20 #include <rtl/ustring.hxx>
  21 #include <svtools/langhelp.hxx>
  22 #include <comphelper/diagnose_ex.hxx>
  23 #include <vcl/idle.hxx>
  24 #include <vcl/svapp.hxx>
  25 #include <vcl/settings.hxx>
  26 #include <config_langs.h>
  27 #include <config_vendor.h>
  28
  29 void localizeWebserviceURI( OUString& rURI )
  30 {
  31     OUString aLang = Application::GetSettings().GetUILanguageTag().getLanguage();
  32     if ( aLang.equalsIgnoreAsciiCase("pt")
  33          && Application::GetSettings().GetUILanguageTag().getCountry().equalsIgnoreAsciiCase("br") )
  34     {
  35         aLang = "pt-br";
  36     }
  37     if ( aLang.equalsIgnoreAsciiCase("zh") )
  38     {
  39         if ( Application::GetSettings().GetUILanguageTag().getCountry().equalsIgnoreAsciiCase("cn") )
  40             aLang = "zh-cn";
  41         if ( Application::GetSettings().GetUILanguageTag().getCountry().equalsIgnoreAsciiCase("tw") )
  42             aLang = "zh-tw";
  43     }
  44
  45     rURI += aLang;
  46 }
  47
  48 OUString getInstalledLocaleForLanguage(css::uno::Sequence<OUString> const & installed, OUString const & locale)
  49 {
  50     if (locale.isEmpty())
  51         return OUString();  // do not attempt to resolve anything
  52
  53     if (comphelper::findValue(installed, locale) != -1)
  54         return locale;
  55
  56     std::vector<OUString> fallbacks(LanguageTag(locale).getFallbackStrings(false));
  57     auto pf = std::find_if(fallbacks.begin(), fallbacks.end(),
  58         [&installed](const OUString& rf) { return comphelper::findValue(installed, rf) != -1; });
  59     if (pf != fallbacks.end())
  60         return *pf;
  61     return OUString();
  62 }
  63
  64 static std::unique_ptr<Idle> xLangpackInstaller;
  65
  66 namespace {
  67
  68 class InstallLangpack : public Idle
  69 {
  70     std::vector<OUString> m_aPackages;
  71 public:
  72     explicit InstallLangpack(std::vector<OUString>&& rPackages)
  73         : Idle("install langpack")
  74         , m_aPackages(std::move(rPackages))
  75     {
  76         SetPriority(TaskPriority::LOWEST);
  77     }
  78
  79     virtual void Invoke() override
  80     {
  81         vcl::Window* pTopWindow = Application::GetActiveTopWindow();
  82         if (!pTopWindow)
  83             pTopWindow = Application::GetFirstTopLevelWindow();
  84         if (!pTopWindow)
  85         {
  86             Start();
  87             return;
  88         }
  89         try
  90         {
  91             using namespace org::freedesktop::PackageKit;
  92             css::uno::Reference<XSyncDbusSessionHelper> xSyncDbusSessionHelper(SyncDbusSessionHelper::create(comphelper::getProcessComponentContext()));
  93             xSyncDbusSessionHelper->InstallPackageNames(comphelper::containerToSequence(m_aPackages), OUString());
  94         }
  95         catch (const css::uno::Exception&)
  96         {
  97             TOOLS_INFO_EXCEPTION("svl", "trying to install a LibreOffice langpack");
  98         }
  99         xLangpackInstaller.reset();
 100     }
 101 };
 102
 103 }
 104
 105 OUString getInstalledLocaleForSystemUILanguage(const css::uno::Sequence<OUString>& rLocaleElementNames, bool bRequestInstallIfMissing, const OUString& rPreferredLocale)
 106 {
 107     OUString wantedLocale(rPreferredLocale);
 108     if (wantedLocale.isEmpty())
 109         wantedLocale = officecfg::System::L10N::UILocale::get();
 110
 111     OUString locale = getInstalledLocaleForLanguage(rLocaleElementNames, wantedLocale);
 112     if (bRequestInstallIfMissing && locale.isEmpty() && !wantedLocale.isEmpty() && !Application::IsHeadlessModeEnabled() &&
 113         officecfg::Office::Common::PackageKit::EnableLangpackInstallation::get())
 114     {
 115         LanguageTag aWantedTag(wantedLocale);
 116         if (aWantedTag.getLanguage() != "en")
 117         {
 118             // Get the list of langpacks that this build was configured to include
 119             std::vector<OUString> aPackages;
 120             OUString const sAvailableLocales(WITH_LANG);
 121             std::vector<OUString> aAvailable;
 122             sal_Int32 nIndex = 0;
 123             do
 124             {
 125                 aAvailable.emplace_back(sAvailableLocales.getToken(0, ' ', nIndex));
 126             }
 127             while (nIndex >= 0);
 128             // See which one matches the desired ui locale
 129             OUString install = getInstalledLocaleForLanguage(comphelper::containerToSequence(aAvailable), wantedLocale);
 130             if (!install.isEmpty() && install != "en-US")
 131             {
 132                 std::string_view sVendor(OOO_VENDOR);
 133                 if (sVendor == "Red Hat, Inc." || sVendor == "The Fedora Project")
 134                 {
 135                     // langpack is the typical Fedora/RHEL naming convention
 136                     LanguageType eType = aWantedTag.getLanguageType();
 137                     if (MsLangId::isSimplifiedChinese(eType))
 138                         aPackages.emplace_back("libreoffice-langpack-zh-Hans");
 139                     else if (MsLangId::isTraditionalChinese(eType))
 140                         aPackages.emplace_back("libreoffice-langpack-zh-Hant");
 141                     else if (install == "pt")
 142                         aPackages.emplace_back("libreoffice-langpack-pt-PT");
 143                     else
 144                         aPackages.emplace_back("libreoffice-langpack-" + install);
 145                 }
 146                 else if (sVendor == "The Document Foundation/Debian" || sVendor == "The Document Foundation, Debian and Ubuntu")
 147                 {
 148                     // l10n is the typical Debian/Ubuntu naming convention
 149                     aPackages.emplace_back("libreoffice-l10n-" + install);
 150                 }
 151             }
 152             if (!aPackages.empty())
 153             {
 154                 xLangpackInstaller.reset(new InstallLangpack(std::move(aPackages)));
 155                 xLangpackInstaller->Start();
 156             }
 157         }
 158     }
 159     if (locale.isEmpty())
 160         locale = getInstalledLocaleForLanguage(rLocaleElementNames, "en-US");
 161     if (locale.isEmpty() && rLocaleElementNames.hasElements())
 162         locale = rLocaleElementNames[0];
 163     return locale;
 164 }
 165
 166 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */