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Diffstat (limited to 'vcl/unx/source/dtrans/X11_clipboard.cxx')
| -rw-r--r-- | vcl/unx/source/dtrans/X11_clipboard.cxx | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/vcl/unx/source/dtrans/X11_clipboard.cxx b/vcl/unx/source/dtrans/X11_clipboard.cxx new file mode 100644 index 000000000000..a08a9481b8e8 --- /dev/null +++ b/vcl/unx/source/dtrans/X11_clipboard.cxx @@ -0,0 +1,293 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include <X11/Xatom.h> +#include <X11_clipboard.hxx> +#include <X11_transferable.hxx> +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/datatransfer/clipboard/RenderingCapabilities.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <uno/dispatcher.h> // declaration of generic uno interface +#include <uno/mapping.hxx> // mapping stuff +#include <cppuhelper/factory.hxx> +#include <rtl/tencinfo.h> + +#if OSL_DEBUG_LEVEL > 1 +#include <stdio.h> +#endif + +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 com::sun::star::awt; +using namespace cppu; +using namespace osl; +using namespace rtl; +using namespace x11; + +X11Clipboard::X11Clipboard( SelectionManager& rManager, Atom aSelection ) : + ::cppu::WeakComponentImplHelper4< + ::com::sun::star::datatransfer::clipboard::XClipboardEx, + ::com::sun::star::datatransfer::clipboard::XClipboardNotifier, + ::com::sun::star::lang::XServiceInfo, + ::com::sun::star::lang::XInitialization + >( rManager.getMutex() ), + + m_rSelectionManager( rManager ), + m_xSelectionManager( & rManager ), + m_aSelection( aSelection ) +{ +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "creating instance of X11Clipboard (this=%p)\n", this ); +#endif + + if( m_aSelection != None ) + { + m_rSelectionManager.registerHandler( m_aSelection, *this ); + } + else + { + m_rSelectionManager.registerHandler( XA_PRIMARY, *this ); + m_rSelectionManager.registerHandler( m_rSelectionManager.getAtom( OUString::createFromAscii( "CLIPBOARD" ) ), *this ); + } +} + +// ------------------------------------------------------------------------ + +X11Clipboard::~X11Clipboard() +{ + MutexGuard aGuard( *Mutex::getGlobalMutex() ); + +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "shutting down instance of X11Clipboard (this=%p, Selecttion=\"%s\")\n", this, OUStringToOString( m_rSelectionManager.getString( m_aSelection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr() ); +#endif + if( m_aSelection != None ) + m_rSelectionManager.deregisterHandler( m_aSelection ); + else + { + m_rSelectionManager.deregisterHandler( XA_PRIMARY ); + m_rSelectionManager.deregisterHandler( m_rSelectionManager.getAtom( OUString::createFromAscii( "CLIPBOARD" ) ) ); + } +} + + +// ------------------------------------------------------------------------ + +void X11Clipboard::fireChangedContentsEvent() +{ + ClearableMutexGuard aGuard( m_rSelectionManager.getMutex() ); +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "X11Clipboard::fireChangedContentsEvent for %s (%d listeners)\n", + OUStringToOString( m_rSelectionManager.getString( m_aSelection ), RTL_TEXTENCODING_ISO_8859_1 ).getStr(), m_aListeners.size() ); +#endif + ::std::list< Reference< XClipboardListener > > listeners( m_aListeners ); + aGuard.clear(); + + ClipboardEvent aEvent( static_cast<OWeakObject*>(this), m_aContents); + while( listeners.begin() != listeners.end() ) + { + if( listeners.front().is() ) + listeners.front()->changedContents(aEvent); + listeners.pop_front(); + } +} + +// ------------------------------------------------------------------------ + +void X11Clipboard::clearContents() +{ + ClearableMutexGuard aGuard(m_rSelectionManager.getMutex()); + // protect against deletion during outside call + Reference< XClipboard > xThis( static_cast<XClipboard*>(this)); + // copy member references on stack so they can be called + // without having the mutex + Reference< XClipboardOwner > xOwner( m_aOwner ); + Reference< XTransferable > xTrans( m_aContents ); + // clear members + m_aOwner.clear(); + m_aContents.clear(); + + // release the mutex + aGuard.clear(); + + // inform previous owner of lost ownership + if ( xOwner.is() ) + xOwner->lostOwnership(xThis, m_aContents); +} + +// ------------------------------------------------------------------------ + +Reference< XTransferable > SAL_CALL X11Clipboard::getContents() + throw(RuntimeException) +{ + MutexGuard aGuard(m_rSelectionManager.getMutex()); + + if( ! m_aContents.is() ) + m_aContents = new X11Transferable( SelectionManager::get(), static_cast< OWeakObject* >(this), m_aSelection ); + return m_aContents; +} + +// ------------------------------------------------------------------------ + +void SAL_CALL X11Clipboard::setContents( + const Reference< XTransferable >& xTrans, + const Reference< XClipboardOwner >& xClipboardOwner ) + throw(RuntimeException) +{ + // remember old values for callbacks before setting the new ones. + ClearableMutexGuard aGuard(m_rSelectionManager.getMutex()); + + Reference< XClipboardOwner > oldOwner( m_aOwner ); + m_aOwner = xClipboardOwner; + + Reference< XTransferable > oldContents( m_aContents ); + m_aContents = xTrans; + + aGuard.clear(); + + // for now request ownership for both selections + if( m_aSelection != None ) + m_rSelectionManager.requestOwnership( m_aSelection ); + else + { + m_rSelectionManager.requestOwnership( XA_PRIMARY ); + m_rSelectionManager.requestOwnership( m_rSelectionManager.getAtom( OUString::createFromAscii( "CLIPBOARD" ) ) ); + } + + // notify old owner on loss of ownership + if( oldOwner.is() ) + oldOwner->lostOwnership(static_cast < XClipboard * > (this), oldContents); + + // notify all listeners on content changes + fireChangedContentsEvent(); +} + +// ------------------------------------------------------------------------ + +OUString SAL_CALL X11Clipboard::getName() + throw(RuntimeException) +{ + return m_rSelectionManager.getString( m_aSelection ); +} + +// ------------------------------------------------------------------------ + +sal_Int8 SAL_CALL X11Clipboard::getRenderingCapabilities() + throw(RuntimeException) +{ + return RenderingCapabilities::Delayed; +} + + +// ------------------------------------------------------------------------ +void SAL_CALL X11Clipboard::addClipboardListener( const Reference< XClipboardListener >& listener ) + throw(RuntimeException) +{ + MutexGuard aGuard( m_rSelectionManager.getMutex() ); + m_aListeners.push_back( listener ); +} + +// ------------------------------------------------------------------------ + +void SAL_CALL X11Clipboard::removeClipboardListener( const Reference< XClipboardListener >& listener ) + throw(RuntimeException) +{ + MutexGuard aGuard( m_rSelectionManager.getMutex() ); + m_aListeners.remove( listener ); +} + + +// ------------------------------------------------------------------------ + +Reference< XTransferable > X11Clipboard::getTransferable() +{ + return getContents(); +} + +// ------------------------------------------------------------------------ + +void X11Clipboard::clearTransferable() +{ + clearContents(); +} + +// ------------------------------------------------------------------------ + +void X11Clipboard::fireContentsChanged() +{ + fireChangedContentsEvent(); +} + +// ------------------------------------------------------------------------ + +Reference< XInterface > X11Clipboard::getReference() throw() +{ + return Reference< XInterface >( static_cast< OWeakObject* >(this) ); +} + +// ------------------------------------------------------------------------ + +OUString SAL_CALL X11Clipboard::getImplementationName( ) + throw(RuntimeException) +{ + return OUString::createFromAscii(X11_CLIPBOARD_IMPLEMENTATION_NAME); +} + +// ------------------------------------------------------------------------ + +sal_Bool SAL_CALL X11Clipboard::supportsService( const OUString& ServiceName ) + throw(RuntimeException) +{ + Sequence < OUString > SupportedServicesNames = X11Clipboard_getSupportedServiceNames(); + + for ( sal_Int32 n = SupportedServicesNames.getLength(); n--; ) + if (SupportedServicesNames[n].compareTo(ServiceName) == 0) + return sal_True; + + return sal_False; +} + +// ------------------------------------------------------------------------ + +void SAL_CALL X11Clipboard::initialize( const Sequence< Any >& ) throw( ::com::sun::star::uno::Exception ) +{ +} + +// ------------------------------------------------------------------------ + +Sequence< OUString > SAL_CALL X11Clipboard::getSupportedServiceNames( ) + throw(RuntimeException) +{ + return X11Clipboard_getSupportedServiceNames(); +} + |