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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: langselect.cxx,v $
* $Revision: 1.22 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_desktop.hxx"
#include "app.hxx"
#include "langselect.hxx"
#include <stdio.h>
#ifndef _RTL_STRING_HXX
#include <rtl/string.hxx>
#endif
#ifndef _SVTOOLS_PATHOPTIONS_HXX
#include <unotools/pathoptions.hxx>
#endif
#include <tools/resid.hxx>
#include <i18npool/mslangid.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/util/XChangesBatch.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/lang/XLocalizable.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include "com/sun/star/util/XFlushable.hpp"
#include <rtl/locale.hxx>
#include <rtl/instance.hxx>
#include <osl/process.h>
using namespace rtl;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::container;
using namespace com::sun::star::beans;
using namespace com::sun::star::util;
namespace desktop {
sal_Bool LanguageSelection::bFoundLanguage = sal_False;
OUString LanguageSelection::aFoundLanguage;
const OUString LanguageSelection::usFallbackLanguage = OUString::createFromAscii("en-US");
Locale LanguageSelection::IsoStringToLocale(const OUString& str)
{
Locale l;
sal_Int32 index=0;
l.Language = str.getToken(0, '-', index);
if (index >= 0) l.Country = str.getToken(0, '-', index);
if (index >= 0) l.Variant = str.getToken(0, '-', index);
return l;
}
bool LanguageSelection::prepareLanguage()
{
OUString sConfigSrvc = OUString::createFromAscii("com.sun.star.configuration.ConfigurationProvider");
Reference< XMultiServiceFactory > theMSF = comphelper::getProcessServiceFactory();
Reference< XLocalizable > theConfigProvider;
try
{
theConfigProvider = Reference< XLocalizable >(theMSF->createInstance( sConfigSrvc ),UNO_QUERY_THROW );
}
catch(const Exception&)
{
}
if(!theConfigProvider.is())
return false;
sal_Bool bSuccess = sal_False;
// #i42730#get the windows 16Bit locale - it should be preferred over the UI language
try
{
Reference< XPropertySet > xProp(getConfigAccess("org.openoffice.System/L10N/", sal_False), UNO_QUERY_THROW);
Any aWin16SysLocale = xProp->getPropertyValue(OUString::createFromAscii("SystemLocale"));
::rtl::OUString sWin16SysLocale;
aWin16SysLocale >>= sWin16SysLocale;
if( sWin16SysLocale.getLength())
setDefaultLanguage(sWin16SysLocale);
}
catch(const Exception&)
{
}
// #i32939# use system locale to set document default locale
try
{
OUString usLocale;
Reference< XPropertySet > xLocaleProp(getConfigAccess(
"org.openoffice.System/L10N", sal_True), UNO_QUERY_THROW);
xLocaleProp->getPropertyValue(OUString::createFromAscii("Locale")) >>= usLocale;
setDefaultLanguage(usLocale);
}
catch (Exception&)
{
}
// get the selected UI language as string
OUString aLocaleString = getLanguageString();
if ( aLocaleString.getLength() > 0 )
{
try
{
// prepare default config provider by localizing it to the selected locale
// this will ensure localized configuration settings to be selected accoring to the
// UI language.
Locale loc = LanguageSelection::IsoStringToLocale(aLocaleString);
// flush any data already written to the configuration (which
// currently uses independent caches for different locales and thus
// would ignore data written to another cache):
Reference< XFlushable >(theConfigProvider, UNO_QUERY_THROW)->
flush();
theConfigProvider->setLocale(loc);
Reference< XPropertySet > xProp(getConfigAccess("org.openoffice.Setup/L10N/", sal_True), UNO_QUERY_THROW);
xProp->setPropertyValue(OUString::createFromAscii("ooLocale"), makeAny(aLocaleString));
Reference< XChangesBatch >(xProp, UNO_QUERY_THROW)->commitChanges();
MsLangId::setConfiguredSystemUILanguage( MsLangId::convertLocaleToLanguage(loc) );
OUString sLocale;
xProp->getPropertyValue(OUString::createFromAscii("ooSetupSystemLocale")) >>= sLocale;
if ( sLocale.getLength() )
{
loc = LanguageSelection::IsoStringToLocale(aLocaleString);
MsLangId::setConfiguredSystemLanguage( MsLangId::convertLocaleToLanguage(loc) );
}
else
MsLangId::setConfiguredSystemLanguage( MsLangId::getSystemLanguage() );
bSuccess = sal_True;
}
catch ( PropertyVetoException& )
{
// we are not allowed to change this
}
catch (Exception& e)
{
OString aMsg = OUStringToOString(e.Message, RTL_TEXTENCODING_ASCII_US);
OSL_ENSURE(sal_False, aMsg.getStr());
}
}
// #i32939# setting of default document locale
// #i32939# this should not be based on the UI language
setDefaultLanguage(aLocaleString);
return bSuccess;
}
void LanguageSelection::setDefaultLanguage(const OUString& sLocale)
{
// #i32939# setting of default document language
//
// See #i42730# for rules for determining source of settings
// determine script type of locale
LanguageType nLang = MsLangId::convertIsoStringToLanguage(sLocale);
sal_uInt16 nScriptType = SvtLanguageOptions::GetScriptTypeOfLanguage(nLang);
switch (nScriptType)
{
case SCRIPTTYPE_ASIAN:
MsLangId::setConfiguredAsianFallback( nLang );
break;
case SCRIPTTYPE_COMPLEX:
MsLangId::setConfiguredComplexFallback( nLang );
break;
default:
MsLangId::setConfiguredWesternFallback( nLang );
break;
}
}
OUString LanguageSelection::getLanguageString()
{
// did we already find a language?
if (bFoundLanguage)
return aFoundLanguage;
// check whether the user has selected a specific language
OUString aUserLanguage = getUserLanguage();
if (aUserLanguage.getLength() > 0 )
{
if (isInstalledLanguage(aUserLanguage))
{
// all is well
bFoundLanguage = sal_True;
aFoundLanguage = aUserLanguage;
return aFoundLanguage;
}
else
{
// selected language is not/no longer installed
resetUserLanguage();
}
}
// try to use system default
aUserLanguage = getSystemLanguage();
if (aUserLanguage.getLength() > 0 )
{
if (isInstalledLanguage(aUserLanguage, sal_False))
{
// great, system default language is available
bFoundLanguage = sal_True;
aFoundLanguage = aUserLanguage;
return aFoundLanguage;
}
}
// fallback 1: en-US
OUString usFB = usFallbackLanguage;
if (isInstalledLanguage(usFB))
{
bFoundLanguage = sal_True;
aFoundLanguage = usFallbackLanguage;
return aFoundLanguage;
}
// fallback didn't work use first installed language
aUserLanguage = getFirstInstalledLanguage();
bFoundLanguage = sal_True;
aFoundLanguage = aUserLanguage;
return aFoundLanguage;
}
Reference< XNameAccess > LanguageSelection::getConfigAccess(const sal_Char* pPath, sal_Bool bUpdate)
{
Reference< XNameAccess > xNameAccess;
try{
OUString sConfigSrvc = OUString::createFromAscii("com.sun.star.configuration.ConfigurationProvider");
OUString sAccessSrvc;
if (bUpdate)
sAccessSrvc = OUString::createFromAscii("com.sun.star.configuration.ConfigurationUpdateAccess");
else
sAccessSrvc = OUString::createFromAscii("com.sun.star.configuration.ConfigurationAccess");
OUString sConfigURL = OUString::createFromAscii(pPath);
// get configuration provider
Reference< XMultiServiceFactory > theMSF = comphelper::getProcessServiceFactory();
if (theMSF.is()) {
Reference< XMultiServiceFactory > theConfigProvider = Reference< XMultiServiceFactory > (
theMSF->createInstance( sConfigSrvc ),UNO_QUERY_THROW );
// access the provider
Sequence< Any > theArgs(1);
theArgs[ 0 ] <<= sConfigURL;
xNameAccess = Reference< XNameAccess > (
theConfigProvider->createInstanceWithArguments(
sAccessSrvc, theArgs ), UNO_QUERY_THROW );
}
} catch (com::sun::star::uno::Exception& e)
{
OString aMsg = OUStringToOString(e.Message, RTL_TEXTENCODING_ASCII_US);
OSL_ENSURE(sal_False, aMsg.getStr());
}
return xNameAccess;
}
Sequence< OUString > LanguageSelection::getInstalledLanguages()
{
Sequence< OUString > seqLanguages;
Reference< XNameAccess > xAccess = getConfigAccess("org.openoffice.Setup/Office/InstalledLocales", sal_False);
if (!xAccess.is()) return seqLanguages;
seqLanguages = xAccess->getElementNames();
return seqLanguages;
}
// FIXME
// it's not very clever to handle language fallbacks here, but
// right now, there is no place that handles those fallbacks globally
static Sequence< OUString > _getFallbackLocales(const OUString& aIsoLang)
{
Sequence< OUString > seqFallbacks;
if (aIsoLang.equalsAscii("zh-HK")) {
seqFallbacks = Sequence< OUString >(1);
seqFallbacks[0] = OUString::createFromAscii("zh-TW");
}
return seqFallbacks;
}
sal_Bool LanguageSelection::isInstalledLanguage(OUString& usLocale, sal_Bool bExact)
{
sal_Bool bInstalled = sal_False;
Sequence< OUString > seqLanguages = getInstalledLanguages();
for (sal_Int32 i=0; i<seqLanguages.getLength(); i++)
{
if (usLocale.equals(seqLanguages[i]))
{
bInstalled = sal_True;
break;
}
}
if (!bInstalled && !bExact)
{
// try fallback locales
Sequence< OUString > seqFallbacks = _getFallbackLocales(usLocale);
for (sal_Int32 j=0; j<seqFallbacks.getLength(); j++)
{
for (sal_Int32 i=0; i<seqLanguages.getLength(); i++)
{
if (seqFallbacks[j].equals(seqLanguages[i]))
{
bInstalled = sal_True;
usLocale = seqFallbacks[j];
break;
}
}
}
}
if (!bInstalled && !bExact)
{
// no exact match was found, well try to find a substitute
OUString aInstalledLocale;
for (sal_Int32 i=0; i<seqLanguages.getLength(); i++)
{
if (usLocale.indexOf(seqLanguages[i]) == 0)
{
// requested locale starts with the installed locale
// (i.e. installed locale has index 0 in requested locale)
bInstalled = sal_True;
usLocale = seqLanguages[i];
break;
}
}
}
return bInstalled;
}
OUString LanguageSelection::getFirstInstalledLanguage()
{
OUString aLanguage;
Sequence< OUString > seqLanguages = getInstalledLanguages();
if (seqLanguages.getLength() > 0)
aLanguage = seqLanguages[0];
return aLanguage;
}
OUString LanguageSelection::getUserLanguage()
{
OUString aUserLanguage;
Reference< XNameAccess > xAccess(getConfigAccess("org.openoffice.Office.Linguistic/General", sal_False));
if (xAccess.is())
{
try
{
xAccess->getByName(OUString::createFromAscii("UILocale")) >>= aUserLanguage;
}
catch ( NoSuchElementException const & )
{
return OUString();
}
catch ( WrappedTargetException const & )
{
return OUString();
}
}
return aUserLanguage;
}
OUString LanguageSelection::getSystemLanguage()
{
OUString aUserLanguage;
Reference< XNameAccess > xAccess(getConfigAccess("org.openoffice.System/L10N", sal_False));
if (xAccess.is())
{
try
{
xAccess->getByName(OUString::createFromAscii("UILocale")) >>= aUserLanguage;
}
catch ( NoSuchElementException const & )
{
return OUString();
}
catch ( WrappedTargetException const & )
{
return OUString();
}
}
return aUserLanguage;
}
void LanguageSelection::resetUserLanguage()
{
try
{
Reference< XPropertySet > xProp(getConfigAccess("org.openoffice.Office.Linguistic/General", sal_True), UNO_QUERY_THROW);
xProp->setPropertyValue(OUString::createFromAscii("UILocale"), makeAny(OUString::createFromAscii("")));
Reference< XChangesBatch >(xProp, UNO_QUERY_THROW)->commitChanges();
}
catch ( PropertyVetoException& )
{
// we are not allowed to change this
}
catch ( Exception& e)
{
OString aMsg = OUStringToOString(e.Message, RTL_TEXTENCODING_ASCII_US);
OSL_ENSURE(sal_False, aMsg.getStr());
}
}
} // namespace desktop
|