| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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(); |
| } |
| |
