482 lines
17 KiB
C++
482 lines
17 KiB
C++
/*************************************************************************
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*
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* $RCSfile: apinotifierimpl.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: jb $ $Date: 2000-11-13 13:26:28 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include "apinotifierimpl.hxx"
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#include "apinodeaccess.hxx"
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#include "noderef.hxx"
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#include "confignotifier.hxx"
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#include "configexcept.hxx"
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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namespace configmgr
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{
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namespace configapi
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{
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//-----------------------------------------------------------------------------------
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namespace lang = css::lang;
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namespace util = css::util;
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namespace beans = css::beans;
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using uno::RuntimeException;
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using uno::Reference;
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using configuration::NodeRef;
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using configuration::Tree;
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//-----------------------------------------------------------------------------------
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// Helpers for associating listeners with specific child nodes listener
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//-----------------------------------------------------------------------------------
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namespace internal
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{
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using configuration::Name;
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using configuration::NodeVisitor;
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/// helper for adding a Listener to all children of a node
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/// helper for adding a Listener to a named child of a node
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template <class Listener>
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class AddListenerByName : public NodeVisitor
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{
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Reference<Listener> m_xListener;
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Notifier m_aNotifier;
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Name m_aName;
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public:
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AddListenerByName(Notifier const& aNotifier, Reference<Listener> const& xListener, Name const& aName)
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: m_xListener(xListener)
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, m_aNotifier(aNotifier)
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, m_aName(aName)
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{}
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virtual Result handle(NodeRef const& aNode); // NodeVisitor
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};
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/// helper for removing a Listener from all children of a node
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template <class Listener>
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class RemoveListenerByName : public NodeVisitor
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{
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Reference<Listener> m_xListener;
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Notifier m_aNotifier;
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Name m_aName;
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public:
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RemoveListenerByName(Notifier const& aNotifier, Reference<Listener> const& xListener, Name const& aName)
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: m_xListener(xListener)
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, m_aNotifier(aNotifier)
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, m_aName(aName)
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{}
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virtual Result handle(NodeRef const& aNode); // NodeVisitor
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};
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/// add a Listener to a named node
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template <class Listener>
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NodeVisitor::Result AddListenerByName<Listener>::handle(NodeRef const& aNode)
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{
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if (aNode.getName() == m_aName)
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{
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m_aNotifier.addForOne(aNode, m_xListener);
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return DONE;
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}
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else
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return CONTINUE;
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}
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/// remove a Listener from a named node
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template <class Listener>
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NodeVisitor::Result RemoveListenerByName<Listener>::handle(NodeRef const& aNode)
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{
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if (aNode.getName() == m_aName)
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{
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m_aNotifier.removeForOne(aNode, m_xListener);
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return DONE;
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}
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else
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return CONTINUE;
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}
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}
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// Generic Notifier Support Implementations
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//-----------------------------------------------------------------------------------
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/// add a Listener to the notifier of a NodeAccess
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template <class Listener>
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inline
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void genericAddListener(NodeAccess& rNode, const Reference< Listener >& xListener )
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{
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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aGuardedNotifier->add(rNode.getNode(), xListener);
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}
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/// remove a Listener from the notifier of a NodeAccess
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template <class Listener>
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inline
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void genericRemoveListener(NodeAccess& rNode, const Reference< Listener >& xListener )
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{
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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aGuardedNotifier->remove(rNode.getNode(), xListener);
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}
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/** add a Listener for all or some children of a NodeAccess to its notifier
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<p> If the name given is empty, the listener will be added to all children of the node</p>
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@returns
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<TRUE/> if the node was found, or the name was empty
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<FALSE/> if the named node wasn't found
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*/
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template <class Listener>
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inline
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bool genericAddChildListener(NodeGroupInfoAccess& rNode, const Reference< Listener >& xListener, const OUString& sName )
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{
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using configuration::NodeVisitor;
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using configuration::validateNodeName;
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if (sName.getLength() != 0)
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{
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GuardedNodeAccess aGuardedNode( rNode ); // guard access to children
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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Tree aTree( aGuardedNode->getTree() );
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NodeRef aNode( aGuardedNode->getNode() );
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internal::AddListenerByName<Listener> aAdder( *aGuardedNotifier, xListener, validateNodeName(sName,aTree,aNode));
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NodeVisitor::Result eFound = aTree.dispatchToChildren( aNode, aAdder );
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return (eFound == NodeVisitor::DONE); // ok if NodeRef was found
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}
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else
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{
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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aGuardedNotifier->addForAll(rNode.getNode(), xListener);
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return true; // always ok, as we addreess no specific NodeRef
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}
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}
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/** remove a Listener from all or some children of a NodeAccess to its notifier
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<p> If the name given is empty, the listener will be removed from any children of the node</p>
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@returns
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<TRUE/> if the node was found, or the name was empty
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<FALSE/> if the named node wasn't found
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*/
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template <class Listener>
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inline
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bool genericRemoveChildListener(NodeGroupInfoAccess& rNode, const Reference< Listener >& xListener, const OUString& sName )
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{
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using configuration::NodeVisitor;
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using configuration::validateNodeName;
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GuardedNodeAccess aGuardedNode( rNode ); // guard access to children
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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Tree aTree( aGuardedNode->getTree() );
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NodeRef aNode( aGuardedNode->getNode() );
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if (sName.getLength() != 0)
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{
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GuardedNodeAccess aGuardedNode( rNode ); // guard access to children
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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Tree aTree( aGuardedNode->getTree() );
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NodeRef aNode( aGuardedNode->getNode() );
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internal::RemoveListenerByName<Listener> aRemover( *aGuardedNotifier, xListener, validateNodeName(sName,aTree,aNode) );
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NodeVisitor::Result eFound = aTree.dispatchToChildren( aNode, aRemover );
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return (eFound == NodeVisitor::DONE); // ok if NodeRef was found
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}
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else
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{
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GuardedNotifier aGuardedNotifier( rNode ); // guard the notifier
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aGuardedNotifier->removeForAll(rNode.getNode(), xListener);
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return true; // always ok, as we addreess no specific NodeRef
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}
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}
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// XComponent
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//-----------------------------------------------------------------------------------
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void implAddListener(NodeAccess& rNode, const Reference< css::lang::XEventListener >& xListener )
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throw(RuntimeException)
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{
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genericAddListener(rNode,xListener);
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}
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void implRemoveListener(NodeAccess& rNode, const Reference< css::lang::XEventListener >& xListener )
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throw(RuntimeException)
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{
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genericRemoveListener(rNode,xListener);
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}
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// XContainer
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//-----------------------------------------------------------------------------------
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void implAddListener(NodeAccess& rNode, const Reference< css::container::XContainerListener >& xListener )
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throw(RuntimeException)
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{
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genericAddListener(rNode,xListener);
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}
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void implRemoveListener(NodeAccess& rNode, const Reference< css::container::XContainerListener >& xListener )
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throw(RuntimeException)
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{
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genericRemoveListener(rNode,xListener);
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}
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// XChangesNotifier
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//-----------------------------------------------------------------------------------
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void implAddListener(NodeAccess& rNode, const Reference< css::util::XChangesListener >& xListener )
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throw(RuntimeException)
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{
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genericAddListener(rNode,xListener);
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}
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void implRemoveListener(NodeAccess& rNode, const Reference< css::util::XChangesListener >& xListener )
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throw(RuntimeException)
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{
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genericRemoveListener(rNode,xListener);
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}
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// XMultiPropertySet
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//-----------------------------------------------------------------------------------
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void implAddListener( NodeAccess& rNode, const uno::Reference< beans::XPropertiesChangeListener >& xListener, const uno::Sequence< OUString >& aPropertyNames )
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throw(uno::RuntimeException)
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{
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GuardedNotifier impl( rNode );
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// TODO: is an exception for unknown names allowed/needed ?
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impl->add(rNode.getNode(), xListener, aPropertyNames);
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}
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void implRemoveListener( NodeAccess& rNode, const uno::Reference< beans::XPropertiesChangeListener >& xListener )
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throw(uno::RuntimeException)
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{
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genericRemoveListener(rNode,xListener);
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}
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// XPropertySet (manages listeners associated with named child node)
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//-----------------------------------------------------------------------------------
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// XPropertySet - VetoableChangeListeners
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//-----------------------------------------------------------------------------------
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void implAddListener( NodeGroupInfoAccess& rNode, const uno::Reference< beans::XVetoableChangeListener >& xListener, const OUString& sPropertyName )
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throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
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{
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using namespace css::beans;
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try
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{
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if (!genericAddChildListener(rNode,xListener,sPropertyName))
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{
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot add listener - node not found !")),
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rNode.getUnoInstance() );
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}
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}
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catch (configuration::InvalidName& ex)
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{
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ExceptionMapper e(ex);
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot add listener - node not found:")) += ex.message(),
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rNode.getUnoInstance() );
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}
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catch (configuration::WrappedUnoException& ex)
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{
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throw css::lang::WrappedTargetException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: adding a listener failed: ")) += ex.message(),
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rNode.getUnoInstance(),
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ex.getAnyUnoException());
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}
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catch (configuration::Exception& ex)
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{
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ExceptionMapper e(ex);
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e.setContext( rNode.getUnoInstance() );
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e.unhandled();
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}
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}
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void implRemoveListener( NodeGroupInfoAccess& rNode, const uno::Reference< beans::XVetoableChangeListener >& xListener, const OUString& sPropertyName )
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throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
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{
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using namespace css::beans;
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try
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{
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if (!genericRemoveChildListener(rNode,xListener,sPropertyName))
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{
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot remove listener - node not found !")),
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rNode.getUnoInstance() );
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}
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}
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catch (configuration::InvalidName& ex)
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{
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ExceptionMapper e(ex);
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot remove listener - node not found:")) += ex.message(),
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rNode.getUnoInstance() );
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}
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catch (configuration::WrappedUnoException& ex)
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{
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throw css::lang::WrappedTargetException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: removing a listener failed: ")) += ex.message(),
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rNode.getUnoInstance(),
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ex.getAnyUnoException());
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}
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catch (configuration::Exception& ex)
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{
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ExceptionMapper e(ex);
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e.setContext( rNode.getUnoInstance() );
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e.unhandled();
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}
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}
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// XPropertySet - PropertyChangeListeners
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//-----------------------------------------------------------------------------------
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void implAddListener( NodeGroupInfoAccess& rNode, const uno::Reference< beans::XPropertyChangeListener >& xListener, const OUString& sPropertyName )
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throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
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{
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using namespace css::beans;
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try
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{
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if (!genericAddChildListener(rNode,xListener,sPropertyName))
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{
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot add listener - node not found !")),
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rNode.getUnoInstance() );
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}
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}
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catch (configuration::InvalidName& ex)
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{
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ExceptionMapper e(ex);
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot add listener - node not found:")) += ex.message(),
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rNode.getUnoInstance() );
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}
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catch (configuration::WrappedUnoException& ex)
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{
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throw css::lang::WrappedTargetException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: adding a listener failed: ")) += ex.message(),
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rNode.getUnoInstance(),
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ex.getAnyUnoException());
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}
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catch (configuration::Exception& ex)
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{
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ExceptionMapper e(ex);
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e.setContext( rNode.getUnoInstance() );
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e.unhandled();
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}
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}
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void implRemoveListener( NodeGroupInfoAccess& rNode, const uno::Reference< beans::XPropertyChangeListener >& xListener, const OUString& sPropertyName )
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throw(beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException)
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{
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using namespace css::beans;
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try
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{
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if (!genericRemoveChildListener(rNode,xListener,sPropertyName))
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{
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot remove listener - node not found !")),
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rNode.getUnoInstance() );
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}
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}
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catch (configuration::InvalidName& ex)
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{
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ExceptionMapper e(ex);
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throw UnknownPropertyException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: cannot remove listener - node not found:")) += ex.message(),
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rNode.getUnoInstance() );
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}
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catch (configuration::WrappedUnoException& ex)
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{
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throw css::lang::WrappedTargetException(
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OUString(RTL_CONSTASCII_USTRINGPARAM("Configuration: removing a listener failed: ")) += ex.message(),
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rNode.getUnoInstance(),
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ex.getAnyUnoException());
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}
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catch (configuration::Exception& ex)
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{
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ExceptionMapper e(ex);
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e.setContext( rNode.getUnoInstance() );
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e.unhandled();
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}
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}
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//-----------------------------------------------------------------------------------
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} // namespace configapi
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} // namespace configmgr
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