office-gobmx/dtrans/source/generic/clipboardmanager.cxx
2001-07-27 09:03:36 +00:00

301 lines
10 KiB
C++

/*************************************************************************
*
* $RCSfile: clipboardmanager.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: obr $ $Date: 2001-07-27 10:03:36 $
*
* 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 WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRUNTIES 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 <clipboardmanager.hxx>
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
using namespace com::sun::star::container;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::datatransfer::clipboard;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace cppu;
using namespace osl;
using namespace std;
using ::dtrans::ClipboardManager;
using ::rtl::OUString;
// ------------------------------------------------------------------------
ClipboardManager::ClipboardManager():
m_aMutex(),
WeakComponentImplHelper3< XClipboardManager, XEventListener, XServiceInfo > (m_aMutex),
m_aDefaultName(OUString::createFromAscii("default"))
{
}
// ------------------------------------------------------------------------
ClipboardManager::~ClipboardManager()
{
}
// ------------------------------------------------------------------------
OUString SAL_CALL ClipboardManager::getImplementationName( )
throw(RuntimeException)
{
return OUString::createFromAscii(CLIPBOARDMANAGER_IMPLEMENTATION_NAME);
}
// ------------------------------------------------------------------------
sal_Bool SAL_CALL ClipboardManager::supportsService( const OUString& ServiceName )
throw(RuntimeException)
{
Sequence < OUString > SupportedServicesNames = ClipboardManager_getSupportedServiceNames();
for ( sal_Int32 n = 0, nmax = SupportedServicesNames.getLength(); n < nmax; n++ )
if (SupportedServicesNames[n].compareTo(ServiceName) == 0)
return sal_True;
return sal_False;
}
// ------------------------------------------------------------------------
Sequence< OUString > SAL_CALL ClipboardManager::getSupportedServiceNames( )
throw(RuntimeException)
{
return ClipboardManager_getSupportedServiceNames();
}
// ------------------------------------------------------------------------
Reference< XClipboard > SAL_CALL ClipboardManager::getClipboard( const OUString& aName )
throw(NoSuchElementException, RuntimeException)
{
MutexGuard aGuard(m_aMutex);
// object is disposed already
if (rBHelper.bDisposed)
throw DisposedException(OUString::createFromAscii("object is disposed."),
static_cast < XClipboardManager * > (this));
ClipboardMap::iterator iter =
m_aClipboardMap.find(aName.getLength() ? aName : m_aDefaultName);
if (iter != m_aClipboardMap.end())
return iter->second;
throw NoSuchElementException(aName, static_cast < XClipboardManager * > (this));
}
// ------------------------------------------------------------------------
void SAL_CALL ClipboardManager::addClipboard( const Reference< XClipboard >& xClipboard )
throw(IllegalArgumentException, ElementExistException, RuntimeException)
{
OSL_ASSERT(xClipboard.is());
// check parameter
if (!xClipboard.is())
throw IllegalArgumentException(OUString::createFromAscii("empty reference"),
static_cast < XClipboardManager * > (this), 1);
// the name "default" is reserved for internal use
OUString aName = xClipboard->getName();
if (m_aDefaultName.compareTo(aName) == 0)
throw IllegalArgumentException(OUString::createFromAscii("name reserved"),
static_cast < XClipboardManager * > (this), 1);
// try to add new clipboard to the list
ClearableMutexGuard aGuard(m_aMutex);
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
pair< const OUString, Reference< XClipboard > > value (
aName.getLength() ? aName : m_aDefaultName,
xClipboard );
pair< ClipboardMap::iterator, bool > p = m_aClipboardMap.insert(value);
aGuard.clear();
// insert failed, element must exist already
if (!p.second)
throw ElementExistException(aName, static_cast < XClipboardManager * > (this));
// request disposing notifications
Reference< XComponent > xComponent(xClipboard, UNO_QUERY);
if (xComponent.is())
xComponent->addEventListener(static_cast < XEventListener * > (this));
}
}
// ------------------------------------------------------------------------
void SAL_CALL ClipboardManager::removeClipboard( const OUString& aName )
throw(RuntimeException)
{
MutexGuard aGuard(m_aMutex);
if (!rBHelper.bDisposed)
m_aClipboardMap.erase(aName.getLength() ? aName : m_aDefaultName );
}
// ------------------------------------------------------------------------
Sequence< OUString > SAL_CALL ClipboardManager::listClipboardNames()
throw(RuntimeException)
{
MutexGuard aGuard(m_aMutex);
if (rBHelper.bDisposed)
throw DisposedException(OUString::createFromAscii("object is disposed."),
static_cast < XClipboardManager * > (this));
if (rBHelper.bInDispose)
return Sequence< OUString > ();
Sequence< OUString > aRet(m_aClipboardMap.size());
ClipboardMap::iterator iter = m_aClipboardMap.begin();
ClipboardMap::iterator imax = m_aClipboardMap.end();
for (sal_Int32 n = 0; iter != imax; iter++)
aRet[n++] = iter->first;
return aRet;
}
// ------------------------------------------------------------------------
void SAL_CALL ClipboardManager::dispose()
throw(RuntimeException)
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
rBHelper.bInDispose = sal_True;
aGuard.clear();
// give everyone a chance to save his clipboard instance
EventObject aEvt(static_cast < XClipboardManager * > (this));
rBHelper.aLC.disposeAndClear( aEvt );
// removeClipboard is still allowed here, so make a copy of the
// list (to ensure integrety) and clear the original.
ClearableMutexGuard aGuard2( rBHelper.rMutex );
ClipboardMap aCopy(m_aClipboardMap);
m_aClipboardMap.clear();
aGuard2.clear();
// dispose all clipboards still in list
ClipboardMap::iterator iter = aCopy.begin();
ClipboardMap::iterator imax = aCopy.end();
for (; iter != imax; iter++)
{
Reference< XComponent > xComponent(iter->second, UNO_QUERY);
if (xComponent.is())
{
try
{
xComponent->removeEventListener(static_cast < XEventListener * > (this));
xComponent->dispose();
}
catch(Exception e)
{
// exceptions can be safely ignored here.
}
}
}
rBHelper.bDisposed = sal_True;
rBHelper.bInDispose = sal_False;
}
}
// ------------------------------------------------------------------------
void SAL_CALL ClipboardManager::disposing( const EventObject& event )
throw(RuntimeException)
{
Reference < XClipboard > xClipboard(event.Source, UNO_QUERY);
if (xClipboard.is())
removeClipboard(xClipboard->getName());
}
// ------------------------------------------------------------------------
Reference< XInterface > SAL_CALL ClipboardManager_createInstance(
const Reference< XMultiServiceFactory > & xMultiServiceFactory)
{
return Reference < XInterface >( ( OWeakObject * ) new ClipboardManager());
}
// ------------------------------------------------------------------------
Sequence< OUString > SAL_CALL ClipboardManager_getSupportedServiceNames()
{
Sequence < OUString > SupportedServicesNames( 1 );
SupportedServicesNames[0] =
OUString::createFromAscii("com.sun.star.datatransfer.clipboard.ClipboardManager");
return SupportedServicesNames;
}