1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_dtrans.hxx" 26 27 #include <generic_clipboard.hxx> 28 #include <com/sun/star/lang/DisposedException.hpp> 29 #include <com/sun/star/datatransfer/clipboard/RenderingCapabilities.hpp> 30 31 using namespace com::sun::star::datatransfer; 32 using namespace com::sun::star::datatransfer::clipboard; 33 using namespace com::sun::star::lang; 34 using namespace com::sun::star::uno; 35 using namespace cppu; 36 using namespace osl; 37 38 using ::dtrans::GenericClipboard; 39 using ::rtl::OUString; 40 41 GenericClipboard::GenericClipboard() : 42 WeakComponentImplHelper4< XClipboardEx, XClipboardNotifier, XServiceInfo, XInitialization > (m_aMutex), 43 m_bInitialized(sal_False) 44 { 45 } 46 47 // ------------------------------------------------------------------------ 48 49 GenericClipboard::~GenericClipboard() 50 { 51 } 52 53 // ------------------------------------------------------------------------ 54 55 void SAL_CALL GenericClipboard::initialize( const Sequence< Any >& aArguments ) 56 throw(Exception, RuntimeException) 57 { 58 if (!m_bInitialized) 59 { 60 for (sal_Int32 n = 0, nmax = aArguments.getLength(); n < nmax; n++) 61 if (aArguments[n].getValueType() == getCppuType((OUString *) 0)) 62 { 63 aArguments[0] >>= m_aName; 64 break; 65 } 66 } 67 } 68 69 // ------------------------------------------------------------------------ 70 71 OUString SAL_CALL GenericClipboard::getImplementationName( ) 72 throw(RuntimeException) 73 { 74 return OUString::createFromAscii(GENERIC_CLIPBOARD_IMPLEMENTATION_NAME); 75 } 76 77 // ------------------------------------------------------------------------ 78 79 sal_Bool SAL_CALL GenericClipboard::supportsService( const OUString& ServiceName ) 80 throw(RuntimeException) 81 { 82 Sequence < OUString > SupportedServicesNames = GenericClipboard_getSupportedServiceNames(); 83 84 for ( sal_Int32 n = SupportedServicesNames.getLength(); n--; ) 85 if (SupportedServicesNames[n].compareTo(ServiceName) == 0) 86 return sal_True; 87 88 return sal_False; 89 } 90 91 // ------------------------------------------------------------------------ 92 93 Sequence< OUString > SAL_CALL GenericClipboard::getSupportedServiceNames( ) 94 throw(RuntimeException) 95 { 96 return GenericClipboard_getSupportedServiceNames(); 97 } 98 99 // ------------------------------------------------------------------------ 100 101 Reference< XTransferable > SAL_CALL GenericClipboard::getContents() 102 throw(RuntimeException) 103 { 104 MutexGuard aGuard(m_aMutex); 105 return m_aContents; 106 } 107 108 // ------------------------------------------------------------------------ 109 110 void SAL_CALL GenericClipboard::setContents(const Reference< XTransferable >& xTrans, 111 const Reference< XClipboardOwner >& xClipboardOwner ) 112 throw(RuntimeException) 113 { 114 // remember old values for callbacks before setting the new ones. 115 ClearableMutexGuard aGuard(m_aMutex); 116 117 Reference< XClipboardOwner > oldOwner(m_aOwner); 118 m_aOwner = xClipboardOwner; 119 120 Reference< XTransferable > oldContents(m_aContents); 121 m_aContents = xTrans; 122 123 aGuard.clear(); 124 125 // notify old owner on loss of ownership 126 if( oldOwner.is() ) 127 oldOwner->lostOwnership(static_cast < XClipboard * > (this), oldContents); 128 129 // notify all listeners on content changes 130 OInterfaceContainerHelper *pContainer = 131 rBHelper.aLC.getContainer(getCppuType( (Reference < XClipboardListener > *) 0)); 132 if (pContainer) 133 { 134 ClipboardEvent aEvent(static_cast < XClipboard * > (this), m_aContents); 135 OInterfaceIteratorHelper aIterator(*pContainer); 136 137 while (aIterator.hasMoreElements()) 138 { 139 Reference < XClipboardListener > xListener(aIterator.next(), UNO_QUERY); 140 if (xListener.is()) 141 xListener->changedContents(aEvent); 142 } 143 } 144 } 145 146 // ------------------------------------------------------------------------ 147 148 OUString SAL_CALL GenericClipboard::getName() 149 throw(RuntimeException) 150 { 151 return m_aName; 152 } 153 154 // ------------------------------------------------------------------------ 155 156 sal_Int8 SAL_CALL GenericClipboard::getRenderingCapabilities() 157 throw(RuntimeException) 158 { 159 return RenderingCapabilities::Delayed; 160 } 161 162 163 // ------------------------------------------------------------------------ 164 165 void SAL_CALL GenericClipboard::addClipboardListener( const Reference< XClipboardListener >& listener ) 166 throw(RuntimeException) 167 { 168 MutexGuard aGuard( rBHelper.rMutex ); 169 OSL_ENSURE( !rBHelper.bInDispose, "do not add listeners in the dispose call" ); 170 OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" ); 171 if (!rBHelper.bInDispose && !rBHelper.bDisposed) 172 rBHelper.aLC.addInterface( getCppuType( (const ::com::sun::star::uno::Reference< XClipboardListener > *) 0), listener ); 173 } 174 175 // ------------------------------------------------------------------------ 176 177 void SAL_CALL GenericClipboard::removeClipboardListener( const Reference< XClipboardListener >& listener ) 178 throw(RuntimeException) 179 { 180 MutexGuard aGuard( rBHelper.rMutex ); 181 OSL_ENSURE( !rBHelper.bDisposed, "object is disposed" ); 182 if (!rBHelper.bInDispose && !rBHelper.bDisposed) 183 rBHelper.aLC.removeInterface( getCppuType( (const Reference< XClipboardListener > *) 0 ), listener ); \ 184 } 185 186 // ------------------------------------------------------------------------ 187 188 Sequence< OUString > SAL_CALL GenericClipboard_getSupportedServiceNames() 189 { 190 Sequence< OUString > aRet(1); 191 aRet[0] = OUString::createFromAscii("com.sun.star.datatransfer.clipboard.GenericClipboard"); 192 return aRet; 193 } 194 195 // ------------------------------------------------------------------------ 196 197 Reference< XInterface > SAL_CALL GenericClipboard_createInstance( 198 const Reference< XMultiServiceFactory > & /*xMultiServiceFactory*/) 199 { 200 return Reference < XInterface >( ( OWeakObject * ) new GenericClipboard()); 201 } 202