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239 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <osl/diagnose.h>
#include "WinClipboard.hxx"
#include <com/sun/star/datatransfer/clipboard/ClipboardEvent.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <cppuhelper/supportsservice.hxx>
#include "WinClipbImpl.hxx"
using namespace osl;
using namespace std;
using namespace cppu;
using namespace com::sun::star::uno;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::datatransfer::clipboard;
using namespace com::sun::star::lang;
#define WINCLIPBOARD_IMPL_NAME "com.sun.star.datatransfer.clipboard.ClipboardW32"
namespace
{
Sequence< OUString > WinClipboard_getSupportedServiceNames()
{
Sequence< OUString > aRet { "com.sun.star.datatransfer.clipboard.SystemClipboard" };
return aRet;
}
}
/*XEventListener,*/
CWinClipboard::CWinClipboard( const Reference< XComponentContext >& rxContext, const OUString& aClipboardName ) :
WeakComponentImplHelper< XSystemClipboard, XFlushableClipboard, XServiceInfo >( m_aCbListenerMutex ),
m_xContext( rxContext )
{
m_pImpl.reset( new CWinClipbImpl( aClipboardName, this ) );
}
// XClipboard
// to avoid unnecessary traffic we check first if there is a clipboard
// content which was set via setContent, in this case we don't need
// to query the content from the clipboard, create a new wrapper object
// and so on, we simply return the original XTransferable instead of our
// DOTransferable
Reference< XTransferable > SAL_CALL CWinClipboard::getContents( )
{
MutexGuard aGuard( m_aMutex );
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
if ( nullptr != m_pImpl.get( ) )
return m_pImpl->getContents( );
return Reference< XTransferable >( );
}
void SAL_CALL CWinClipboard::setContents( const Reference< XTransferable >& xTransferable,
const Reference< XClipboardOwner >& xClipboardOwner )
{
MutexGuard aGuard( m_aMutex );
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
if ( nullptr != m_pImpl.get( ) )
m_pImpl->setContents( xTransferable, xClipboardOwner );
}
OUString SAL_CALL CWinClipboard::getName( )
{
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
if ( nullptr != m_pImpl.get( ) )
return m_pImpl->getName( );
return OUString();
}
// XFlushableClipboard
void SAL_CALL CWinClipboard::flushClipboard( )
{
MutexGuard aGuard( m_aMutex );
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
if ( nullptr != m_pImpl.get( ) )
m_pImpl->flushClipboard( );
}
// XClipboardEx
sal_Int8 SAL_CALL CWinClipboard::getRenderingCapabilities( )
{
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
if ( nullptr != m_pImpl.get( ) )
return CWinClipbImpl::getRenderingCapabilities( );
return 0;
}
// XClipboardNotifier
void SAL_CALL CWinClipboard::addClipboardListener( const Reference< XClipboardListener >& listener )
{
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
// check input parameter
if ( !listener.is( ) )
throw IllegalArgumentException("empty reference",
static_cast< XClipboardEx* >( this ),
1 );
rBHelper.aLC.addInterface( cppu::UnoType<decltype(listener)>::get(), listener );
}
void SAL_CALL CWinClipboard::removeClipboardListener( const Reference< XClipboardListener >& listener )
{
if ( rBHelper.bDisposed )
throw DisposedException("object is already disposed",
static_cast< XClipboardEx* >( this ) );
// check input parameter
if ( !listener.is( ) )
throw IllegalArgumentException("empty reference",
static_cast< XClipboardEx* >( this ),
1 );
rBHelper.aLC.removeInterface( cppu::UnoType<decltype(listener)>::get(), listener );
}
void CWinClipboard::notifyAllClipboardListener( )<--- The function 'notifyAllClipboardListener' is never used.
{
if ( !rBHelper.bDisposed )<--- outer condition: !rBHelper.bDisposed
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if ( !rBHelper.bDisposed )<--- identical inner condition: !rBHelper.bDisposed
{
aGuard.clear( );
OInterfaceContainerHelper* pICHelper = rBHelper.aLC.getContainer(
cppu::UnoType<XClipboardListener>::get());
if ( pICHelper )
{
try
{
OInterfaceIteratorHelper iter(*pICHelper);
Reference<XTransferable> rXTransf(m_pImpl->getContents());
ClipboardEvent aClipbEvent(static_cast<XClipboard*>(this), rXTransf);
while(iter.hasMoreElements())
{
try
{
Reference<XClipboardListener> xCBListener(iter.next(), UNO_QUERY);
if (xCBListener.is())
xCBListener->changedContents(aClipbEvent);
}
catch(RuntimeException&)
{
OSL_FAIL( "RuntimeException caught" );
}
}
}
catch(const css::lang::DisposedException&)
{
OSL_FAIL("Service Manager disposed");
// no further clipboard changed notifications
m_pImpl->unregisterClipboardViewer();
}
} // end if
} // end if
} // end if
}
// overwritten base class method which will be
// called by the base class dispose method
void SAL_CALL CWinClipboard::disposing()
{
// do my own stuff
m_pImpl->dispose( );
// force destruction of the impl class
m_pImpl.reset();
}
// XServiceInfo
OUString SAL_CALL CWinClipboard::getImplementationName( )
{
return WINCLIPBOARD_IMPL_NAME;
}
sal_Bool SAL_CALL CWinClipboard::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
Sequence< OUString > SAL_CALL CWinClipboard::getSupportedServiceNames( )
{
return WinClipboard_getSupportedServiceNames();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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