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 //------------------------------------------------------------------------ 28 // includes 29 //------------------------------------------------------------------------ 30 #include <osl/diagnose.h> 31 #include "WinClipboard.hxx" 32 #include <com/sun/star/datatransfer/clipboard/ClipboardEvent.hpp> 33 #include <com/sun/star/lang/DisposedException.hpp> 34 #include <com/sun/star/lang/IllegalArgumentException.hpp> 35 #include "WinClipbImpl.hxx" 36 37 //------------------------------------------------------------------------ 38 // namespace directives 39 //------------------------------------------------------------------------ 40 41 using namespace rtl; 42 using namespace osl; 43 using namespace std; 44 using namespace cppu; 45 46 using namespace com::sun::star::uno; 47 using namespace com::sun::star::datatransfer; 48 using namespace com::sun::star::datatransfer::clipboard; 49 using namespace com::sun::star::lang; 50 51 //------------------------------------------------------------------------ 52 // defines 53 //------------------------------------------------------------------------ 54 55 #define WINCLIPBOARD_IMPL_NAME "com.sun.star.datatransfer.clipboard.ClipboardW32" 56 57 //------------------------------------------------------------------------ 58 // helper functions 59 //------------------------------------------------------------------------ 60 61 namespace 62 { 63 Sequence< OUString > SAL_CALL WinClipboard_getSupportedServiceNames() 64 { 65 Sequence< OUString > aRet(1); 66 aRet[0] = OUString::createFromAscii("com.sun.star.datatransfer.clipboard.SystemClipboard"); 67 return aRet; 68 } 69 } 70 71 //------------------------------------------------------------------------ 72 // ctor 73 //------------------------------------------------------------------------ 74 /*XEventListener,*/ 75 CWinClipboard::CWinClipboard( const Reference< XMultiServiceFactory >& rServiceManager, const OUString& aClipboardName ) : 76 WeakComponentImplHelper4< XClipboardEx, XFlushableClipboard, XClipboardNotifier, XServiceInfo >( m_aCbListenerMutex ), 77 m_SrvMgr( rServiceManager ) 78 { 79 m_pImpl.reset( new CWinClipbImpl( aClipboardName, this ) ); 80 } 81 82 //======================================================================== 83 // XClipboard 84 //======================================================================== 85 86 //------------------------------------------------------------------------ 87 // getContent 88 // to avoid unecessary traffic we check first if there is a clipboard 89 // content which was set via setContent, in this case we don't need 90 // to query the content from the clipboard, create a new wrapper object 91 // and so on, we simply return the orignial XTransferable instead of our 92 // DOTransferable 93 //------------------------------------------------------------------------ 94 95 Reference< XTransferable > SAL_CALL CWinClipboard::getContents( ) throw( RuntimeException ) 96 { 97 MutexGuard aGuard( m_aMutex ); 98 99 if ( rBHelper.bDisposed ) 100 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 101 static_cast< XClipboardEx* >( this ) ); 102 103 if ( NULL != m_pImpl.get( ) ) 104 return m_pImpl->getContents( ); 105 106 return Reference< XTransferable >( ); 107 } 108 109 //------------------------------------------------------------------------ 110 // setContent 111 //------------------------------------------------------------------------ 112 113 void SAL_CALL CWinClipboard::setContents( const Reference< XTransferable >& xTransferable, 114 const Reference< XClipboardOwner >& xClipboardOwner ) 115 throw( RuntimeException ) 116 { 117 MutexGuard aGuard( m_aMutex ); 118 119 if ( rBHelper.bDisposed ) 120 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 121 static_cast< XClipboardEx* >( this ) ); 122 123 if ( NULL != m_pImpl.get( ) ) 124 m_pImpl->setContents( xTransferable, xClipboardOwner ); 125 } 126 127 //------------------------------------------------------------------------ 128 // getName 129 //------------------------------------------------------------------------ 130 131 OUString SAL_CALL CWinClipboard::getName( ) throw( RuntimeException ) 132 { 133 if ( rBHelper.bDisposed ) 134 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 135 static_cast< XClipboardEx* >( this ) ); 136 137 if ( NULL != m_pImpl.get( ) ) 138 return m_pImpl->getName( ); 139 140 return OUString::createFromAscii( "" ); 141 } 142 143 //======================================================================== 144 // XFlushableClipboard 145 //======================================================================== 146 147 void SAL_CALL CWinClipboard::flushClipboard( ) throw( RuntimeException ) 148 { 149 MutexGuard aGuard( m_aMutex ); 150 151 if ( rBHelper.bDisposed ) 152 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 153 static_cast< XClipboardEx* >( this ) ); 154 155 if ( NULL != m_pImpl.get( ) ) 156 m_pImpl->flushClipboard( ); 157 } 158 159 //======================================================================== 160 // XClipboardEx 161 //======================================================================== 162 163 sal_Int8 SAL_CALL CWinClipboard::getRenderingCapabilities( ) throw( RuntimeException ) 164 { 165 if ( rBHelper.bDisposed ) 166 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 167 static_cast< XClipboardEx* >( this ) ); 168 169 if ( NULL != m_pImpl.get( ) ) 170 return m_pImpl->getRenderingCapabilities( ); 171 172 return 0; 173 } 174 175 //======================================================================== 176 // XClipboardNotifier 177 //======================================================================== 178 179 //------------------------------------------------------------------------ 180 // getName 181 //------------------------------------------------------------------------ 182 183 void SAL_CALL CWinClipboard::addClipboardListener( const Reference< XClipboardListener >& listener ) 184 throw( RuntimeException ) 185 { 186 if ( rBHelper.bDisposed ) 187 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 188 static_cast< XClipboardEx* >( this ) ); 189 190 // check input parameter 191 if ( !listener.is( ) ) 192 throw IllegalArgumentException( OUString::createFromAscii( "empty reference" ), 193 static_cast< XClipboardEx* >( this ), 194 1 ); 195 196 rBHelper.aLC.addInterface( getCppuType( &listener ), listener ); 197 } 198 199 //------------------------------------------------------------------------ 200 // getName 201 //------------------------------------------------------------------------ 202 203 void SAL_CALL CWinClipboard::removeClipboardListener( const Reference< XClipboardListener >& listener ) 204 throw( RuntimeException ) 205 { 206 if ( rBHelper.bDisposed ) 207 throw DisposedException( OUString::createFromAscii( "object is already disposed" ), 208 static_cast< XClipboardEx* >( this ) ); 209 210 // check input parameter 211 if ( !listener.is( ) ) 212 throw IllegalArgumentException( OUString::createFromAscii( "empty reference" ), 213 static_cast< XClipboardEx* >( this ), 214 1 ); 215 216 rBHelper.aLC.removeInterface( getCppuType( &listener ), listener ); 217 } 218 219 //------------------------------------------------------------------------ 220 // getName 221 //------------------------------------------------------------------------ 222 223 void SAL_CALL CWinClipboard::notifyAllClipboardListener( ) 224 { 225 if ( !rBHelper.bDisposed ) 226 { 227 ClearableMutexGuard aGuard( rBHelper.rMutex ); 228 if ( !rBHelper.bDisposed ) 229 { 230 aGuard.clear( ); 231 232 OInterfaceContainerHelper* pICHelper = rBHelper.aLC.getContainer( 233 getCppuType( ( Reference< XClipboardListener > * ) 0 ) ); 234 235 if ( pICHelper ) 236 { 237 try 238 { 239 OInterfaceIteratorHelper iter(*pICHelper); 240 Reference<XTransferable> rXTransf(m_pImpl->getContents()); 241 ClipboardEvent aClipbEvent(static_cast<XClipboard*>(this), rXTransf); 242 243 while(iter.hasMoreElements()) 244 { 245 try 246 { 247 Reference<XClipboardListener> xCBListener(iter.next(), UNO_QUERY); 248 if (xCBListener.is()) 249 xCBListener->changedContents(aClipbEvent); 250 } 251 catch(RuntimeException&) 252 { 253 OSL_ENSURE( false, "RuntimeException caught" ); 254 } 255 } 256 } 257 catch(const ::com::sun::star::lang::DisposedException&) 258 { 259 OSL_ENSURE(false, "Service Manager disposed"); 260 261 // no further clipboard changed notifications 262 m_pImpl->unregisterClipboardViewer(); 263 } 264 265 } // end if 266 } // end if 267 } // end if 268 } 269 270 //------------------------------------------------ 271 // overwritten base class method which will be 272 // called by the base class dispose method 273 //------------------------------------------------ 274 275 void SAL_CALL CWinClipboard::disposing() 276 { 277 // do my own stuff 278 m_pImpl->dispose( ); 279 280 // force destruction of the impl class 281 m_pImpl.reset( NULL ); 282 } 283 284 // ------------------------------------------------- 285 // XServiceInfo 286 // ------------------------------------------------- 287 288 OUString SAL_CALL CWinClipboard::getImplementationName( ) 289 throw(RuntimeException) 290 { 291 return OUString::createFromAscii( WINCLIPBOARD_IMPL_NAME ); 292 } 293 294 // ------------------------------------------------- 295 // XServiceInfo 296 // ------------------------------------------------- 297 298 sal_Bool SAL_CALL CWinClipboard::supportsService( const OUString& ServiceName ) 299 throw(RuntimeException) 300 { 301 Sequence < OUString > SupportedServicesNames = WinClipboard_getSupportedServiceNames(); 302 303 for ( sal_Int32 n = SupportedServicesNames.getLength(); n--; ) 304 if (SupportedServicesNames[n].compareTo(ServiceName) == 0) 305 return sal_True; 306 307 return sal_False; 308 } 309 310 // ------------------------------------------------- 311 // XServiceInfo 312 // ------------------------------------------------- 313 314 Sequence< OUString > SAL_CALL CWinClipboard::getSupportedServiceNames( ) 315 throw(RuntimeException) 316 { 317 return WinClipboard_getSupportedServiceNames(); 318 } 319