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Diffstat (limited to 'linguistic/source/iprcache.cxx')
| -rw-r--r-- | linguistic/source/iprcache.cxx | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/linguistic/source/iprcache.cxx b/linguistic/source/iprcache.cxx new file mode 100644 index 000000000..2b82e5684 --- /dev/null +++ b/linguistic/source/iprcache.cxx @@ -0,0 +1,227 @@ +/* -*- 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 <iprcache.hxx> +#include <linguistic/misc.hxx> + +#include <com/sun/star/linguistic2/DictionaryListEventFlags.hpp> +#include <osl/mutex.hxx> +#include <unotools/linguprops.hxx> + +using namespace osl; +using namespace com::sun::star; +using namespace com::sun::star::beans; +using namespace com::sun::star::lang; +using namespace com::sun::star::uno; +using namespace com::sun::star::linguistic2; + + +namespace linguistic +{ + + +#define NUM_FLUSH_PROPS 6 + +const struct +{ + OUString aPropName; + sal_Int32 nPropHdl; +} aFlushProperties[ NUM_FLUSH_PROPS ] = +{ + { UPN_IS_USE_DICTIONARY_LIST, UPH_IS_USE_DICTIONARY_LIST }, + { UPN_IS_IGNORE_CONTROL_CHARACTERS, UPH_IS_IGNORE_CONTROL_CHARACTERS }, + { UPN_IS_SPELL_UPPER_CASE, UPH_IS_SPELL_UPPER_CASE }, + { UPN_IS_SPELL_WITH_DIGITS, UPH_IS_SPELL_WITH_DIGITS }, + { UPN_IS_SPELL_CAPITALIZATION, UPH_IS_SPELL_CAPITALIZATION } +}; + + +static void lcl_AddAsPropertyChangeListener( + const Reference< XPropertyChangeListener >& xListener, + Reference< XLinguProperties > const &rPropSet ) +{ + if (xListener.is() && rPropSet.is()) + { + for (auto& aFlushProperty : aFlushProperties) + { + rPropSet->addPropertyChangeListener( + aFlushProperty.aPropName, xListener ); + } + } +} + + +static void lcl_RemoveAsPropertyChangeListener( + const Reference< XPropertyChangeListener >& xListener, + Reference< XLinguProperties > const &rPropSet ) +{ + if (xListener.is() && rPropSet.is()) + { + for (auto& aFlushProperty : aFlushProperties) + { + rPropSet->removePropertyChangeListener( + aFlushProperty.aPropName, xListener ); + } + } +} + + +static bool lcl_IsFlushProperty( sal_Int32 nHandle ) +{ + int i; + for (i = 0; i < NUM_FLUSH_PROPS; ++i) + { + if (nHandle == aFlushProperties[i].nPropHdl) + break; + } + return i < NUM_FLUSH_PROPS; +} + + +void FlushListener::SetDicList( Reference<XSearchableDictionaryList> const &rDL ) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (xDicList != rDL) + { + if (xDicList.is()) + xDicList->removeDictionaryListEventListener( this ); + + xDicList = rDL; + if (xDicList.is()) + xDicList->addDictionaryListEventListener( this, false ); + } +} + + +void FlushListener::SetPropSet( Reference< XLinguProperties > const &rPS ) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (xPropSet != rPS) + { + if (xPropSet.is()) + lcl_RemoveAsPropertyChangeListener( this, xPropSet ); + + xPropSet = rPS; + if (xPropSet.is()) + lcl_AddAsPropertyChangeListener( this, xPropSet ); + } +} + + +void SAL_CALL FlushListener::disposing( const EventObject& rSource ) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (xDicList.is() && rSource.Source == xDicList) + { + xDicList->removeDictionaryListEventListener( this ); + xDicList = nullptr; //! release reference + } + if (xPropSet.is() && rSource.Source == xPropSet) + { + lcl_RemoveAsPropertyChangeListener( this, xPropSet ); + xPropSet = nullptr; //! release reference + } +} + + +void SAL_CALL FlushListener::processDictionaryListEvent( + const DictionaryListEvent& rDicListEvent ) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (rDicListEvent.Source != xDicList) + return; + + sal_Int16 nEvt = rDicListEvent.nCondensedEvent; + sal_Int16 const nFlushFlags = + DictionaryListEventFlags::ADD_NEG_ENTRY | + DictionaryListEventFlags::DEL_POS_ENTRY | + DictionaryListEventFlags::ACTIVATE_NEG_DIC | + DictionaryListEventFlags::DEACTIVATE_POS_DIC; + bool bFlush = 0 != (nEvt & nFlushFlags); + + if (bFlush) + mrSpellCache.Flush(); +} + + +void SAL_CALL FlushListener::propertyChange( + const PropertyChangeEvent& rEvt ) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (rEvt.Source == xPropSet) + { + bool bFlush = lcl_IsFlushProperty( rEvt.PropertyHandle ); + + if (bFlush) + mrSpellCache.Flush(); + } +} + + +SpellCache::SpellCache() +{ + mxFlushLstnr = new FlushListener( *this ); + Reference<XSearchableDictionaryList> aDictionaryList(GetDictionaryList()); + mxFlushLstnr->SetDicList( aDictionaryList ); //! after reference is established + Reference<XLinguProperties> aPropertySet(GetLinguProperties()); + mxFlushLstnr->SetPropSet( aPropertySet ); //! after reference is established +} + +SpellCache::~SpellCache() +{ + Reference<XSearchableDictionaryList> aEmptyList; + Reference<XLinguProperties> aEmptySet; + mxFlushLstnr->SetDicList( aEmptyList ); + mxFlushLstnr->SetPropSet( aEmptySet ); +} + +void SpellCache::Flush() +{ + MutexGuard aGuard( GetLinguMutex() ); + // clear word list + LangWordList_t().swap(aWordLists); +} + +bool SpellCache::CheckWord( const OUString& rWord, LanguageType nLang ) +{ + MutexGuard aGuard( GetLinguMutex() ); + WordList_t &rList = aWordLists[ nLang ]; + const WordList_t::const_iterator aIt = rList.find( rWord ); + return aIt != rList.end(); +} + +void SpellCache::AddWord( const OUString& rWord, LanguageType nLang ) +{ + MutexGuard aGuard( GetLinguMutex() ); + WordList_t & rList = aWordLists[ nLang ]; + // occasional clean-up... + if (rList.size() > 500) + rList.clear(); + rList.insert( rWord ); +} + +} // namespace linguistic + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |