Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 154 insertions, 0 deletions

diff --git a/framework/source/fwi/helper/mischelper.cxx b/framework/source/fwi/helper/mischelper.cxx
new file mode 100644
index 000000000..e9c664d47
--- /dev/null
+++ b/framework/source/fwi/helper/mischelper.cxx
@@ -0,0 +1,154 @@
+/* -*- 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: */