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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/document/XDocumentLanguages.hpp>
#include <com/sun/star/linguistic2/LanguageGuessing.hpp>
#include <sal/log.hxx>
#include <vcl/settings.hxx>
#include <vcl/svapp.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <svtools/langtab.hxx>
#include <helper/mischelper.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
namespace framework
{
uno::Reference< linguistic2::XLanguageGuessing > const & LanguageGuessingHelper::GetGuesser() const
{
if (!m_xLanguageGuesser.is())
{
try
{
m_xLanguageGuesser = linguistic2::LanguageGuessing::create( m_xContext );
}
catch (const uno::Exception &)
{
SAL_WARN( "fwk", "failed to get language guessing component" );
}
}
return m_xLanguageGuesser;
}
void FillLangItems( std::set< OUString > &rLangItems,
const uno::Reference< frame::XFrame > & rxFrame,
const LanguageGuessingHelper & rLangGuessHelper,
SvtScriptType nScriptType,
const OUString & rCurLang,
const OUString & rKeyboardLang,
const OUString & rGuessedTextLang )
{
rLangItems.clear();
//1--add current language
if( !rCurLang.isEmpty() &&
LANGUAGE_DONTKNOW != SvtLanguageTable::GetLanguageType( rCurLang ))
rLangItems.insert( rCurLang );
//2--System
const AllSettings& rAllSettings = Application::GetSettings();
LanguageType rSystemLanguage = rAllSettings.GetLanguageTag().getLanguageType();
if( rSystemLanguage != LANGUAGE_DONTKNOW )
{
if ( IsScriptTypeMatchingToLanguage( nScriptType, rSystemLanguage ))
rLangItems.insert( SvtLanguageTable::GetLanguageString( rSystemLanguage ) );
}
//3--UI
LanguageType rUILanguage = rAllSettings.GetUILanguageTag().getLanguageType();
if( rUILanguage != LANGUAGE_DONTKNOW )
{
if ( IsScriptTypeMatchingToLanguage( nScriptType, rUILanguage ))
rLangItems.insert( SvtLanguageTable::GetLanguageString( rUILanguage ) );
}
//4--guessed language
const uno::Reference< linguistic2::XLanguageGuessing >& xLangGuesser( rLangGuessHelper.GetGuesser() );
if ( xLangGuesser.is() && !rGuessedTextLang.isEmpty())
{
css::lang::Locale aLocale(xLangGuesser->guessPrimaryLanguage( rGuessedTextLang, 0, rGuessedTextLang.getLength()) );
LanguageType nLang = LanguageTag( aLocale ).makeFallback().getLanguageType();
if (nLang != LANGUAGE_DONTKNOW && nLang != LANGUAGE_NONE && nLang != LANGUAGE_SYSTEM
&& IsScriptTypeMatchingToLanguage( nScriptType, nLang ))
rLangItems.insert( SvtLanguageTable::GetLanguageString( nLang ));
}
//5--keyboard language
if( !rKeyboardLang.isEmpty() )
{
if ( IsScriptTypeMatchingToLanguage( nScriptType, SvtLanguageTable::GetLanguageType( rKeyboardLang )))
rLangItems.insert( rKeyboardLang );
}
//6--all languages used in current document
Reference< css::frame::XModel > xModel;
if ( rxFrame.is() )
{
Reference< css::frame::XController > xController = rxFrame->getController();
if ( xController.is() )
xModel = xController->getModel();
}
Reference< document::XDocumentLanguages > xDocumentLanguages( xModel, UNO_QUERY );
/*the description of nScriptType
LATIN : 0x001
ASIAN : 0x002
COMPLEX: 0x004
*/
const sal_Int16 nMaxCount = 7;
if ( !xDocumentLanguages.is() )
return;
const Sequence< Locale > rLocales( xDocumentLanguages->getDocumentLanguages( static_cast<sal_Int16>(nScriptType), nMaxCount ));
for ( const Locale& rLocale : rLocales )
{
if ( rLangItems.size() == static_cast< size_t >(nMaxCount) )
break;
if( IsScriptTypeMatchingToLanguage( nScriptType, SvtLanguageTable::GetLanguageType( rLocale.Language )))
rLangItems.insert( rLocale.Language );
}
}
auto (*g_pGetMultiplexerListener)(
uno::Reference<uno::XInterface> const&,
std::function<bool (uno::Reference<ui::XContextChangeEventListener> const&)> const&)
-> uno::Reference<ui::XContextChangeEventListener> = nullptr;
uno::Reference<ui::XContextChangeEventListener>
GetFirstListenerWith_Impl(
uno::Reference<uno::XInterface> const& xEventFocus,
std::function<bool (uno::Reference<ui::XContextChangeEventListener> const&)> const& rPredicate)
{
assert(g_pGetMultiplexerListener != nullptr); // should not be called too early, nor too late
return g_pGetMultiplexerListener(xEventFocus, rPredicate);
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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