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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "precompiled_sd.hxx"
#include "ConfigurationControllerBroadcaster.hxx"
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
using rtl::OUString;
namespace sd { namespace framework {
ConfigurationControllerBroadcaster::ConfigurationControllerBroadcaster (
const Reference<XConfigurationController>& rxController)
: mxConfigurationController(rxController),
maListenerMap()
{
}
void ConfigurationControllerBroadcaster::AddListener(
const Reference<XConfigurationChangeListener>& rxListener,
const ::rtl::OUString& rsEventType,
const Any& rUserData)
{
if ( ! rxListener.is())
throw lang::IllegalArgumentException(
OUString::createFromAscii("invalid listener"),
mxConfigurationController,
0);
if (maListenerMap.find(rsEventType) == maListenerMap.end())
maListenerMap[rsEventType] = ListenerList();
ListenerDescriptor aDescriptor;
aDescriptor.mxListener = rxListener;
aDescriptor.maUserData = rUserData;
maListenerMap[rsEventType].push_back(aDescriptor);
}
void ConfigurationControllerBroadcaster::RemoveListener(
const Reference<XConfigurationChangeListener>& rxListener)
{
if ( ! rxListener.is())
throw lang::IllegalArgumentException(
OUString::createFromAscii("invalid listener"),
mxConfigurationController,
0);
ListenerMap::iterator iMap;
ListenerList::iterator iList;
for (iMap=maListenerMap.begin(); iMap!=maListenerMap.end(); ++iMap)
{
for (iList=iMap->second.begin(); iList!=iMap->second.end(); ++iList)
{
if (iList->mxListener == rxListener)
{
iMap->second.erase(iList);
break;
}
}
}
}
void ConfigurationControllerBroadcaster::NotifyListeners (
const ListenerList& rList,
const ConfigurationChangeEvent& rEvent)
{
// Create a local copy of the event in which the user data is modified
// for every listener.
ConfigurationChangeEvent aEvent (rEvent);
ListenerList::const_iterator iListener;
for (iListener=rList.begin(); iListener!=rList.end(); ++iListener)
{
try
{
aEvent.UserData = iListener->maUserData;
iListener->mxListener->notifyConfigurationChange(aEvent);
}
catch (lang::DisposedException& rException)
{
// When the exception comes from the listener itself then
// unregister it.
if (rException.Context == iListener->mxListener)
RemoveListener(iListener->mxListener);
}
catch(RuntimeException&)
{
DBG_UNHANDLED_EXCEPTION();
}
}
}
void ConfigurationControllerBroadcaster::NotifyListeners (const ConfigurationChangeEvent& rEvent)
{
// Notify the specialized listeners.
ListenerMap::const_iterator iMap (maListenerMap.find(rEvent.Type));
if (iMap != maListenerMap.end())
{
// Create a local list of the listeners to avoid problems with
// concurrent changes and to be able to remove disposed listeners.
ListenerList aList (iMap->second.begin(), iMap->second.end());
NotifyListeners(aList,rEvent);
}
// Notify the universal listeners.
iMap = maListenerMap.find(OUString());
if (iMap != maListenerMap.end())
{
// Create a local list of the listeners to avoid problems with
// concurrent changes and to be able to remove disposed listeners.
ListenerList aList (iMap->second.begin(), iMap->second.end());
NotifyListeners(aList,rEvent);
}
}
void ConfigurationControllerBroadcaster::NotifyListeners (
const OUString& rsEventType,
const Reference<XResourceId>& rxResourceId,
const Reference<XResource>& rxResourceObject)
{
ConfigurationChangeEvent aEvent;
aEvent.Type = rsEventType;
aEvent.ResourceId = rxResourceId;
aEvent.ResourceObject = rxResourceObject;
try
{
NotifyListeners(aEvent);
}
catch (lang::DisposedException)
{
}
}
void ConfigurationControllerBroadcaster::DisposeAndClear (void)
{
lang::EventObject aEvent;
aEvent.Source = mxConfigurationController;
while (maListenerMap.size() > 0)
{
ListenerMap::iterator iMap (maListenerMap.begin());
if (iMap == maListenerMap.end())
break;
// When the first vector is empty then remove it from the map.
if (iMap->second.size() == 0)
{
maListenerMap.erase(iMap);
continue;
}
else
{
Reference<lang::XEventListener> xListener (
iMap->second.front().mxListener, UNO_QUERY);
if (xListener.is())
{
// Tell the listener that the configuration controller is
// being disposed and remove the listener (for all event
// types).
try
{
RemoveListener(iMap->second.front().mxListener);
xListener->disposing(aEvent);
}
catch (RuntimeException&)
{
DBG_UNHANDLED_EXCEPTION();
}
}
else
{
// Remove just this reference to the listener.
iMap->second.erase(iMap->second.begin());
}
}
}
}
} } // end of namespace sd::framework
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