| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_filter.hxx" |
| |
| #include "cacheupdatelistener.hxx" |
| #include "constant.hxx" |
| |
| //_______________________________________________ |
| // includes |
| #include <com/sun/star/util/XChangesNotifier.hpp> |
| #include <com/sun/star/util/XRefreshable.hpp> |
| #include <salhelper/singletonref.hxx> |
| #include <unotools/configpathes.hxx> |
| #include <rtl/ustring.hxx> |
| |
| //_______________________________________________ |
| // namespace |
| |
| namespace filter{ |
| namespace config{ |
| |
| namespace css = ::com::sun::star; |
| |
| //_______________________________________________ |
| // definitions |
| |
| /*----------------------------------------------- |
| 05.03.2004 08:36 |
| -----------------------------------------------*/ |
| CacheUpdateListener::CacheUpdateListener(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR , |
| const css::uno::Reference< css::uno::XInterface >& xConfigAccess, |
| FilterCache::EItemType eConfigType ) |
| : BaseLock ( ) |
| , m_xSMGR (xSMGR ) |
| , m_rCache ( ) |
| , m_xConfig (xConfigAccess) |
| , m_eConfigType(eConfigType ) |
| { |
| } |
| |
| /*----------------------------------------------- |
| 05.03.2004 08:37 |
| -----------------------------------------------*/ |
| CacheUpdateListener::~CacheUpdateListener() |
| { |
| } |
| |
| /*----------------------------------------------- |
| 07.03.2004 07:59 |
| -----------------------------------------------*/ |
| void CacheUpdateListener::startListening() |
| { |
| // SAFE -> |
| ::osl::ResettableMutexGuard aLock(m_aLock); |
| css::uno::Reference< css::util::XChangesNotifier > xNotifier(m_xConfig, css::uno::UNO_QUERY); |
| aLock.clear(); |
| // <- SAFE |
| |
| if (!xNotifier.is()) |
| return; |
| |
| css::uno::Reference< css::util::XChangesListener > xThis(static_cast< css::util::XChangesListener* >(this), css::uno::UNO_QUERY_THROW); |
| xNotifier->addChangesListener(xThis); |
| |
| /* |
| css::uno::Reference< css::container::XContainer > xNotifier(xConfigAccess, css::uno::UNO_QUERY); |
| if (!xNotifier.is()) |
| return; |
| |
| css::uno::Reference< css::container::XContainerListener > xThis(static_cast< css::container::XContainerListener* >(this), css::uno::UNO_QUERY); |
| xNotifier->addContainerListener(xThis); |
| */ |
| } |
| |
| /*----------------------------------------------- |
| 07.03.2004 07:59 |
| -----------------------------------------------*/ |
| void CacheUpdateListener::stopListening() |
| { |
| // SAFE -> |
| ::osl::ResettableMutexGuard aLock(m_aLock); |
| css::uno::Reference< css::util::XChangesNotifier > xNotifier(m_xConfig, css::uno::UNO_QUERY); |
| aLock.clear(); |
| // <- SAFE |
| |
| if (!xNotifier.is()) |
| return; |
| |
| css::uno::Reference< css::util::XChangesListener > xThis(static_cast< css::util::XChangesListener* >(this), css::uno::UNO_QUERY); |
| xNotifier->removeChangesListener(xThis); |
| |
| /* |
| css::uno::Reference< css::container::XContainer > xNotifier(xConfigAccess, css::uno::UNO_QUERY); |
| if (!xNotifier.is()) |
| return; |
| |
| css::uno::Reference< css::container::XContainerListener > xThis(static_cast< css::container::XContainerListener* >(this), css::uno::UNO_QUERY); |
| xNotifier->removeContainerListener(xThis); |
| */ |
| } |
| |
| /*----------------------------------------------- |
| 07.03.2004 08:17 |
| -----------------------------------------------*/ |
| void SAL_CALL CacheUpdateListener::changesOccurred(const css::util::ChangesEvent& aEvent) |
| throw(css::uno::RuntimeException) |
| { |
| // SAFE -> |
| ::osl::ResettableMutexGuard aLock(m_aLock); |
| |
| // disposed ? |
| if ( ! m_xConfig.is()) |
| return; |
| |
| css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = m_xSMGR; |
| FilterCache::EItemType eType = m_eConfigType; |
| |
| aLock.clear(); |
| // <- SAFE |
| |
| OUStringList lChangedItems; |
| sal_Int32 c = aEvent.Changes.getLength(); |
| sal_Int32 i = 0; |
| |
| for (i=0; i<c; ++i) |
| { |
| const css::util::ElementChange& aChange = aEvent.Changes[i]; |
| |
| ::rtl::OUString sOrgPath ; |
| ::rtl::OUString sTempPath; |
| |
| ::rtl::OUString sProperty; |
| ::rtl::OUString sNode ; |
| ::rtl::OUString sLocale ; |
| |
| /* at least we must be able to retrieve 2 path elements |
| But sometimes the original path can contain 3 of them ... in case |
| a localized value was changed. |
| => |
| 1) Filters/Filter["filtername"]/Property |
| 2) Filters/Filter["filtername"]/LocalizedProperty/Locale |
| */ |
| |
| aChange.Accessor >>= sOrgPath; |
| if ( ! ::utl::splitLastFromConfigurationPath(sOrgPath, sTempPath, sLocale)) |
| continue; |
| sOrgPath = sTempPath; |
| if ( ! ::utl::splitLastFromConfigurationPath(sOrgPath, sTempPath, sProperty)) |
| { |
| sNode = sLocale; |
| sProperty = ::rtl::OUString(); |
| sLocale = ::rtl::OUString(); |
| } |
| else |
| { |
| sOrgPath = sTempPath; |
| if ( ! ::utl::splitLastFromConfigurationPath(sOrgPath, sTempPath, sNode)) |
| { |
| sNode = sProperty; |
| sProperty = sLocale; |
| sLocale = ::rtl::OUString(); |
| } |
| } |
| |
| if ( ! sNode.getLength() ) |
| continue; |
| |
| OUStringList::const_iterator pIt = ::std::find(lChangedItems.begin(), lChangedItems.end(), sNode); |
| if (pIt == lChangedItems.end()) |
| lChangedItems.push_back(sNode); |
| } |
| |
| sal_Bool bNotifyRefresh = sal_False; |
| OUStringList::const_iterator pIt; |
| for ( pIt = lChangedItems.begin(); |
| pIt != lChangedItems.end() ; |
| ++pIt ) |
| { |
| const ::rtl::OUString& sItem = *pIt; |
| try |
| { |
| m_rCache->refreshItem(eType, sItem); |
| } |
| catch(const css::container::NoSuchElementException&) |
| { |
| // can be ignored! Because we must be aware that |
| // sItem was removed from the condfiguration and we forced an update of the cache. |
| // But we know, that the cache is up-to-date know and has thrown this exception afterwards .-) |
| } |
| // NO FLUSH! Otherwhise we start a never ending story here .-) |
| bNotifyRefresh = sal_True; |
| } |
| |
| // notify sfx cache about the changed filter cache .-) |
| if (bNotifyRefresh) |
| { |
| css::uno::Reference< css::util::XRefreshable > xRefreshBroadcaster( |
| xSMGR->createInstance(SERVICE_FILTERCONFIGREFRESH), |
| css::uno::UNO_QUERY); |
| if (xRefreshBroadcaster.is()) |
| xRefreshBroadcaster->refresh(); |
| } |
| } |
| |
| /*----------------------------------------------- |
| 05.03.2004 08:44 |
| -----------------------------------------------*/ |
| void SAL_CALL CacheUpdateListener::disposing(const css::lang::EventObject& aEvent) |
| throw(css::uno::RuntimeException) |
| { |
| // SAFE -> |
| ::osl::ResettableMutexGuard aLock(m_aLock); |
| if (aEvent.Source == m_xConfig) |
| m_xConfig.clear(); |
| aLock.clear(); |
| // <- SAFE |
| } |
| |
| } // namespace config |
| } // namespace filter |
