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Diffstat (limited to 'configmgr/source/api/confevents.cxx')
| -rw-r--r-- | configmgr/source/api/confevents.cxx | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/configmgr/source/api/confevents.cxx b/configmgr/source/api/confevents.cxx new file mode 100644 index 000000000000..19dd9d8e4a7c --- /dev/null +++ b/configmgr/source/api/confevents.cxx @@ -0,0 +1,410 @@ +/************************************************************************* + * + * $RCSfile: confevents.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:13:40 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <stdio.h> +#include "confevents.hxx" + +#ifndef CONFIGMGR_API_EVENTHELPERS_HXX_ +#include "confeventhelpers.hxx" +#endif +#ifndef _OSL_DIAGNOSE_H_ +#include <osl/diagnose.h> +#endif +namespace configmgr +{ + // class is still abstract, ITreeListener methods are still unimplemented + TreeListenerImpl::TreeListenerImpl(ITreeNotifier* aSource) + : mySource(aSource) + { + if (mySource) mySource->setListener(this); + } + TreeListenerImpl::~TreeListenerImpl() + { + if (mySource) mySource->setListener(0); + } + + void TreeListenerImpl::disposing(ITreeNotifier* pSource) + { + OSL_ASSERT(pSource && pSource == mySource); + if (pSource == mySource) + mySource = 0; + } + + ITreeNotifier* TreeListenerImpl::rebind(ITreeNotifier* aSource) + { + ITreeNotifier* aOldSource = mySource; + if (aSource != aOldSource) + { + if (mySource) mySource->setListener(0); + mySource = aSource; + if (mySource) mySource->setListener(this); + } + return aOldSource; + } + + ///////////////////////////////////////////////////////////////////////// + using internal::ConfigChangesBroadcasterImpl; + using internal::ConfigMessageBroadcasterImpl; + + ///////////////////////////////////////////////////////////////////////// + class ConfigChangeBroadcaster::Impl + { + public: + Impl() : m_changes(), m_messages() {} + + ConfigChangesBroadcasterImpl m_changes; + ConfigMessageBroadcasterImpl m_messages; + }; + + ///////////////////////////////////////////////////////////////////////// + ConfigChangeBroadcaster::ConfigChangeBroadcaster(ITreeNotifier* aSource) + : TreeListenerImpl(aSource) + , pImpl(new Impl()) + { + } + + ConfigChangeBroadcaster::~ConfigChangeBroadcaster() + { + dispose(); + } + + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeBroadcaster::dispose() + { + unbind(); + + if (!pImpl) return; + pImpl->m_changes.disposing(this); + pImpl->m_messages.disposing(this); + delete pImpl, pImpl = 0; + } + + ///////////////////////////////////////////////////////////////////////// + // IConfigBroadcaster implementation + void ConfigChangeBroadcaster::addListener(OUString const& aName, INodeListener* pHandler) + { pImpl->m_changes.add(aName, pHandler); } + + void ConfigChangeBroadcaster::removeListener(INodeListener* pHandler) + { pImpl->m_changes.remove(pHandler); } + + void ConfigChangeBroadcaster::removeNode(OUString const& aPath, bool bRemovedFromModel) + { pImpl->m_changes.removed(aPath,bRemovedFromModel,this); } + + void ConfigChangeBroadcaster::addHandler(IMessageHandler* pHandler) + { pImpl->m_messages.add(pHandler); } + + void ConfigChangeBroadcaster::removeHandler(IMessageHandler* pHandler) + { pImpl->m_messages.remove(pHandler); } + + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeBroadcaster::broadcast(TreeChangeList const& anUpdate, sal_Bool bError) + { + pImpl->m_changes.dispatch(anUpdate, bError, this); + } + + ///////////////////////////////////////////////////////////////////////// + // ITreeListener implementation + void ConfigChangeBroadcaster::changes(TreeChangeList const& rList_, sal_Bool bError_) + { + broadcast(rList_, bError_);; + } + + void ConfigChangeBroadcaster::changes(sal_Int32 _nNotificationId,const OUString& _rNotifyReason) + { + pImpl->m_messages.dispatch(_rNotifyReason, _nNotificationId, this); + } + + ///////////////////////////////////////////////////////////////////////// + class ConfigChangeMultiplexer::Impl + { + public: + + Impl(OUString const& sBasePath_) : sBasePath(sBasePath_), m_changes(), m_messages() {} + + OUString const sBasePath; + ConfigChangesBroadcasterImpl m_changes; + ConfigMessageBroadcasterImpl m_messages; + }; + + ///////////////////////////////////////////////////////////////////////// + ConfigChangeMultiplexer::ConfigChangeMultiplexer(IConfigBroadcaster* pSource) + : m_pSource(pSource) + , pImpl(0) + { + if (m_pSource) m_pSource->addHandler(this); + } + + ConfigChangeMultiplexer::ConfigChangeMultiplexer(OUString const& aBasePath, IConfigBroadcaster* pSource) + : m_pSource(pSource) + , pImpl(0) + { + bind(aBasePath,pSource); + } + + ConfigChangeMultiplexer::~ConfigChangeMultiplexer() + { + dispose(); + } + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::bind(OUString const& sNewPath, IConfigBroadcaster* pSource) + { + if (pImpl) + { + OSL_ASSERT(sNewPath == pImpl->sBasePath); + rebind(pSource); + } + else + { + pImpl = new Impl(sNewPath); + if (pSource) + m_pSource = pSource; + m_pSource->addListener(pImpl->sBasePath, this); + m_pSource->addHandler(this); + } + } + + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::rebind(IConfigBroadcaster* pSource) + { + if (pSource != m_pSource) + { + unbind(); + m_pSource = pSource; + if (m_pSource) + { + if (pImpl) m_pSource->addListener(pImpl->sBasePath, this); + m_pSource->addHandler(this); + } + } + } + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::unbind() + { + if (m_pSource) + { + if (pImpl) m_pSource->removeListener(this); + m_pSource->removeHandler(this); + } + m_pSource = 0; + } + + ///////////////////////////////////////////////////////////////////////// + bool ConfigChangeMultiplexer::normalizePath(OUString& aName) + { + if (!pImpl) return false; + + ConfigurationName aMyPath(pImpl->sBasePath); + ConfigurationName aPath(aName); + if (aPath.isRelative()) + { + aName = aMyPath.composeWith(aPath).fullName(); + return true; + } + else + { + bool ok = (aMyPath == aPath) || aPath.isNestedIn(aMyPath); + + return ok; + } + } + + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::broadcast(Change const& anUpdate, OUString const& aRelativePath, sal_Bool bError) + { + OSL_ENSURE(pImpl!=0, "Trying to broadcast on disconnected Notification Multiplexer"); + + OUString aContext( aRelativePath ); + if (!normalizePath(aContext)) + OSL_TRACE("Invalid path. Multiplexer may not walk subtrees correctly\n\r"); + + if (pImpl) + { + pImpl->m_changes.dispatch(anUpdate, aContext, bError, this); + } + } + + void ConfigChangeMultiplexer::broadcast(Change const& anUpdate) + { + // do we need to append the local name ?? + if (pImpl) + pImpl->m_changes.dispatch(anUpdate, pImpl->sBasePath, false, this); + } + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::dispose() + { + unbind(); + + if (!pImpl) return; + pImpl->m_changes.disposing(this); + pImpl->m_messages.disposing(this); + delete pImpl, pImpl = 0; + } + + // IConfigListener implementation + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::disposing(IConfigBroadcaster* pSource) + { + OSL_ASSERT(pSource == m_pSource); + if (pSource == m_pSource) + unbind(); + } + + // INodeListener implementation + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::nodeChanged(Change const& aChange, OUString const& aPath, IConfigBroadcaster* pSource) + { + OSL_ASSERT(pImpl != 0); + OSL_VERIFY(pSource == m_pSource); + broadcast(aChange, aPath); + } + void ConfigChangeMultiplexer::nodeDeleted(OUString const& aPath, IConfigBroadcaster* pSource) + { + OSL_ASSERT(pImpl != 0); + + if (pImpl) + { + OUString aContext( aPath ); + + // must be this base path or a child of it + OSL_ASSERT(!ConfigurationName(aPath).isRelative() || aPath.getLength() == 0); + OSL_ASSERT(aPath.getLength() == 0 || + pImpl->sBasePath == aPath || + ConfigurationName(pImpl->sBasePath).isNestedIn(aPath)); + pImpl->m_changes.removed(aContext,true,this); + } + } + + // IMessageHandler implementation + ///////////////////////////////////////////////////////////////////////// + void ConfigChangeMultiplexer::message(const OUString& rNotifyReason, sal_Int32 nNotificationId, IConfigBroadcaster* pSource) + { + OSL_VERIFY(pSource == m_pSource); + if (pImpl) + pImpl->m_messages.dispatch(rNotifyReason, nNotificationId, this); + } + + ///////////////////////////////////////////////////////////////////////// + // IConfigBroadcaster implementation + + void ConfigChangeMultiplexer::addListener(OUString const& aName, INodeListener* pHandler) + { pImpl->m_changes.add(aName, pHandler); } + + void ConfigChangeMultiplexer::removeListener(INodeListener* pHandler) + { pImpl->m_changes.remove(pHandler); } + + void ConfigChangeMultiplexer::removeNode(OUString const& aPath, bool bRemovedFromModel) + { pImpl->m_changes.removed(aPath,bRemovedFromModel,this); } + + void ConfigChangeMultiplexer::addHandler(IMessageHandler* pHandler) + { pImpl->m_messages.add(pHandler); } + + void ConfigChangeMultiplexer::removeHandler(IMessageHandler* pHandler) + { pImpl->m_messages.remove(pHandler); } + + ///////////////////////////////////////////////////////////////////////// + // ScreenedChangeMultiplexer + ScreenedChangeMultiplexer:: ScreenedChangeMultiplexer(IConfigBroadcaster* aSource) + : ConfigChangeMultiplexer() + , m_pScreeningChanges(0) + { + } + + ScreenedChangeMultiplexer:: ScreenedChangeMultiplexer(TreeChangeList& aScreeningTree, IConfigBroadcaster* aSource) + : ConfigChangeMultiplexer(aScreeningTree.pathToRoot, aSource) + , m_pScreeningChanges(&aScreeningTree.root) + { + } + + ScreenedChangeMultiplexer:: ScreenedChangeMultiplexer(ScreeningChange* aScreening, OUString const& aBasePath, IConfigBroadcaster* aSource) + : ConfigChangeMultiplexer(aBasePath, aSource) + , m_pScreeningChanges(aScreening) + { + } + + void ScreenedChangeMultiplexer:: bind(TreeChangeList& aScreeningTree, IConfigBroadcaster* aSource) + { + bind(&aScreeningTree.root, aScreeningTree.pathToRoot, aSource); + } + + void ScreenedChangeMultiplexer:: bind(ScreeningChange* aScreening, OUString const& aBasePath, IConfigBroadcaster* aSource) + { + unbind(); + m_pScreeningChanges = aScreening; + ConfigChangeMultiplexer::bind(aBasePath, aSource); + } + + void ScreenedChangeMultiplexer:: nodeChanged(Change const& aChange, OUString const& aPath, IConfigBroadcaster* pSource) + { + // To do: filter with local changes herehere + if (&aChange != m_pScreeningChanges) + ConfigChangeMultiplexer::nodeChanged(aChange,aPath,pSource); + } + + void ScreenedChangeMultiplexer:: nodeDeleted(OUString const& aPath, IConfigBroadcaster* pSource) + { + // To do: filter here + ConfigChangeMultiplexer::nodeDeleted(aPath,pSource); + } + +} // namespace + + + |