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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)(
+ css::uno::Reference<css::uno::XComponentContext> const & xComponentContext,
+ 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(
+ css::uno::Reference<css::uno::XComponentContext> const & xComponentContext,
+ 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(xComponentContext, xEventFocus, rPredicate);
+}
+
+
+} // namespace framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */