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_sw.hxx" 26 27 28 #include <vos/mutex.hxx> 29 #include <com/sun/star/accessibility/AccessibleRole.hpp> 30 #include <com/sun/star/accessibility/AccessibleStateType.hpp> 31 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 32 #include <unotools/accessiblestatesethelper.hxx> 33 #include <rtl/uuid.h> 34 #include <vcl/svapp.hxx> 35 #include <cellfrm.hxx> 36 #include <tabfrm.hxx> 37 #include <swtable.hxx> 38 #include "crsrsh.hxx" 39 #include "viscrs.hxx" 40 #include <accfrmobj.hxx> 41 #include <accfrmobjslist.hxx> 42 #include "frmfmt.hxx" 43 #include "cellatr.hxx" 44 #include "accmap.hxx" 45 #include <acccell.hxx> 46 47 #ifndef _STLP_CFLOAT 48 #include <cfloat> 49 #endif 50 51 #include <limits.h> 52 53 using namespace ::com::sun::star; 54 using namespace ::com::sun::star::accessibility; 55 using ::rtl::OUString; 56 using namespace sw::access; 57 58 const sal_Char sServiceName[] = "com.sun.star.table.AccessibleCellView"; 59 const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleCellView"; 60 61 sal_Bool SwAccessibleCell::IsSelected() 62 { 63 sal_Bool bRet = sal_False; 64 65 DBG_ASSERT( GetMap(), "no map?" ); 66 const ViewShell *pVSh = GetMap()->GetShell(); 67 DBG_ASSERT( pVSh, "no shell?" ); 68 if( pVSh->ISA( SwCrsrShell ) ) 69 { 70 const SwCrsrShell *pCSh = static_cast< const SwCrsrShell * >( pVSh ); 71 if( pCSh->IsTableMode() ) 72 { 73 const SwCellFrm *pCFrm = 74 static_cast< const SwCellFrm * >( GetFrm() ); 75 SwTableBox *pBox = 76 const_cast< SwTableBox *>( pCFrm->GetTabBox() ); //SVPtrArr! 77 bRet = pCSh->GetTableCrsr()->GetBoxes().Seek_Entry( pBox ); 78 } 79 } 80 81 return bRet; 82 } 83 84 void SwAccessibleCell::GetStates( ::utl::AccessibleStateSetHelper& rStateSet ) 85 { 86 SwAccessibleContext::GetStates( rStateSet ); 87 88 // SELECTABLE 89 const ViewShell *pVSh = GetMap()->GetShell(); 90 DBG_ASSERT( pVSh, "no shell?" ); 91 if( pVSh->ISA( SwCrsrShell ) ) 92 rStateSet.AddState( AccessibleStateType::SELECTABLE ); 93 94 // SELECTED 95 if( IsSelected() ) 96 { 97 rStateSet.AddState( AccessibleStateType::SELECTED ); 98 ASSERT( bIsSelected, "bSelected out of sync" ); 99 ::vos::ORef < SwAccessibleContext > xThis( this ); 100 GetMap()->SetCursorContext( xThis ); 101 } 102 } 103 104 SwAccessibleCell::SwAccessibleCell( SwAccessibleMap *pInitMap, 105 const SwCellFrm *pCellFrm ) 106 : SwAccessibleContext( pInitMap, AccessibleRole::TABLE_CELL, pCellFrm ) 107 , bIsSelected( sal_False ) 108 { 109 vos::OGuard aGuard(Application::GetSolarMutex()); 110 OUString sBoxName( pCellFrm->GetTabBox()->GetName() ); 111 SetName( sBoxName ); 112 113 bIsSelected = IsSelected(); 114 } 115 116 sal_Bool SwAccessibleCell::_InvalidateMyCursorPos() 117 { 118 sal_Bool bNew = IsSelected(); 119 sal_Bool bOld; 120 { 121 vos::OGuard aGuard( aMutex ); 122 bOld = bIsSelected; 123 bIsSelected = bNew; 124 } 125 if( bNew ) 126 { 127 // remember that object as the one that has the caret. This is 128 // neccessary to notify that object if the cursor leaves it. 129 ::vos::ORef < SwAccessibleContext > xThis( this ); 130 GetMap()->SetCursorContext( xThis ); 131 } 132 133 sal_Bool bChanged = bOld != bNew; 134 if( bChanged ) 135 FireStateChangedEvent( AccessibleStateType::SELECTED, bNew ); 136 137 return bChanged; 138 } 139 140 sal_Bool SwAccessibleCell::_InvalidateChildrenCursorPos( const SwFrm *pFrm ) 141 { 142 sal_Bool bChanged = sal_False; 143 144 const SwAccessibleChildSList aVisList( GetVisArea(), *pFrm, *GetMap() ); 145 SwAccessibleChildSList::const_iterator aIter( aVisList.begin() ); 146 while( aIter != aVisList.end() ) 147 { 148 const SwAccessibleChild& rLower = *aIter; 149 const SwFrm *pLower = rLower.GetSwFrm(); 150 if( pLower ) 151 { 152 if( rLower.IsAccessible( GetMap()->GetShell()->IsPreView() ) ) 153 { 154 ::vos::ORef< SwAccessibleContext > xAccImpl( 155 GetMap()->GetContextImpl( pLower, sal_False ) ); 156 if( xAccImpl.isValid() ) 157 { 158 ASSERT( xAccImpl->GetFrm()->IsCellFrm(), 159 "table child is not a cell frame" ) 160 bChanged |= static_cast< SwAccessibleCell *>( 161 xAccImpl.getBodyPtr() )->_InvalidateMyCursorPos(); 162 } 163 else 164 bChanged = sal_True; // If the context is not know we 165 // don't know whether the selection 166 // changed or not. 167 } 168 else 169 { 170 // This is a box with sub rows. 171 bChanged |= _InvalidateChildrenCursorPos( pLower ); 172 } 173 } 174 ++aIter; 175 } 176 177 return bChanged; 178 } 179 180 void SwAccessibleCell::_InvalidateCursorPos() 181 { 182 183 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 184 ASSERT( pParent->IsTabFrm(), "parent is not a tab frame" ); 185 const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( pParent ); 186 if( pTabFrm->IsFollow() ) 187 pTabFrm = pTabFrm->FindMaster(); 188 189 while( pTabFrm ) 190 { 191 sal_Bool bChanged = _InvalidateChildrenCursorPos( pTabFrm ); 192 if( bChanged ) 193 { 194 ::vos::ORef< SwAccessibleContext > xAccImpl( 195 GetMap()->GetContextImpl( pTabFrm, sal_False ) ); 196 if( xAccImpl.isValid() ) 197 { 198 AccessibleEventObject aEvent; 199 aEvent.EventId = AccessibleEventId::SELECTION_CHANGED; 200 xAccImpl->FireAccessibleEvent( aEvent ); 201 } 202 } 203 204 pTabFrm = pTabFrm->GetFollow(); 205 } 206 } 207 208 sal_Bool SwAccessibleCell::HasCursor() 209 { 210 vos::OGuard aGuard( aMutex ); 211 return bIsSelected; 212 } 213 214 SwAccessibleCell::~SwAccessibleCell() 215 { 216 } 217 218 OUString SAL_CALL SwAccessibleCell::getAccessibleDescription (void) 219 throw (uno::RuntimeException) 220 { 221 return GetName(); 222 } 223 224 OUString SAL_CALL SwAccessibleCell::getImplementationName() 225 throw( uno::RuntimeException ) 226 { 227 return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName)); 228 } 229 230 sal_Bool SAL_CALL SwAccessibleCell::supportsService( 231 const ::rtl::OUString& sTestServiceName) 232 throw (uno::RuntimeException) 233 { 234 return sTestServiceName.equalsAsciiL( sServiceName, 235 sizeof(sServiceName)-1 ) || 236 sTestServiceName.equalsAsciiL( sAccessibleServiceName, 237 sizeof(sAccessibleServiceName)-1 ); 238 } 239 240 uno::Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames() 241 throw( uno::RuntimeException ) 242 { 243 uno::Sequence< OUString > aRet(2); 244 OUString* pArray = aRet.getArray(); 245 pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) ); 246 pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) ); 247 return aRet; 248 } 249 250 void SwAccessibleCell::Dispose( sal_Bool bRecursive ) 251 { 252 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 253 ::vos::ORef< SwAccessibleContext > xAccImpl( 254 GetMap()->GetContextImpl( pParent, sal_False ) ); 255 if( xAccImpl.isValid() ) 256 xAccImpl->DisposeChild( SwAccessibleChild(GetFrm()), bRecursive ); 257 SwAccessibleContext::Dispose( bRecursive ); 258 } 259 260 void SwAccessibleCell::InvalidatePosOrSize( const SwRect& rOldBox ) 261 { 262 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 263 ::vos::ORef< SwAccessibleContext > xAccImpl( 264 GetMap()->GetContextImpl( pParent, sal_False ) ); 265 if( xAccImpl.isValid() ) 266 xAccImpl->InvalidateChildPosOrSize( SwAccessibleChild(GetFrm()), rOldBox ); 267 SwAccessibleContext::InvalidatePosOrSize( rOldBox ); 268 } 269 270 271 // ===== XAccessibleInterface =========================================== 272 273 uno::Any SwAccessibleCell::queryInterface( const uno::Type& rType ) 274 throw( uno::RuntimeException ) 275 { 276 if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ) ) 277 { 278 uno::Reference<XAccessibleValue> xValue = this; 279 uno::Any aRet; 280 aRet <<= xValue; 281 return aRet; 282 } 283 else 284 { 285 return SwAccessibleContext::queryInterface( rType ); 286 } 287 } 288 289 //====== XTypeProvider ==================================================== 290 uno::Sequence< uno::Type > SAL_CALL SwAccessibleCell::getTypes() 291 throw(uno::RuntimeException) 292 { 293 uno::Sequence< uno::Type > aTypes( SwAccessibleContext::getTypes() ); 294 295 sal_Int32 nIndex = aTypes.getLength(); 296 aTypes.realloc( nIndex + 1 ); 297 298 uno::Type* pTypes = aTypes.getArray(); 299 pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ); 300 301 return aTypes; 302 } 303 304 uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleCell::getImplementationId() 305 throw(uno::RuntimeException) 306 { 307 vos::OGuard aGuard(Application::GetSolarMutex()); 308 static uno::Sequence< sal_Int8 > aId( 16 ); 309 static sal_Bool bInit = sal_False; 310 if(!bInit) 311 { 312 rtl_createUuid( (sal_uInt8 *)(aId.getArray() ), 0, sal_True ); 313 bInit = sal_True; 314 } 315 return aId; 316 } 317 318 // ===== XAccessibleValue =============================================== 319 320 SwFrmFmt* SwAccessibleCell::GetTblBoxFormat() const 321 { 322 DBG_ASSERT( GetFrm() != NULL, "no frame?" ); 323 DBG_ASSERT( GetFrm()->IsCellFrm(), "no cell frame?" ); 324 325 const SwCellFrm* pCellFrm = static_cast<const SwCellFrm*>( GetFrm() ); 326 return pCellFrm->GetTabBox()->GetFrmFmt(); 327 } 328 329 330 uno::Any SwAccessibleCell::getCurrentValue( ) 331 throw( uno::RuntimeException ) 332 { 333 vos::OGuard aGuard(Application::GetSolarMutex()); 334 CHECK_FOR_DEFUNC( XAccessibleValue ); 335 336 uno::Any aAny; 337 aAny <<= GetTblBoxFormat()->GetTblBoxValue().GetValue(); 338 return aAny; 339 } 340 341 sal_Bool SwAccessibleCell::setCurrentValue( const uno::Any& aNumber ) 342 throw( uno::RuntimeException ) 343 { 344 vos::OGuard aGuard(Application::GetSolarMutex()); 345 CHECK_FOR_DEFUNC( XAccessibleValue ); 346 347 double fValue = 0; 348 sal_Bool bValid = (aNumber >>= fValue); 349 if( bValid ) 350 { 351 SwTblBoxValue aValue( fValue ); 352 GetTblBoxFormat()->SetFmtAttr( aValue ); 353 } 354 return bValid; 355 } 356 357 uno::Any SwAccessibleCell::getMaximumValue( ) 358 throw( uno::RuntimeException ) 359 { 360 uno::Any aAny; 361 aAny <<= DBL_MAX; 362 return aAny; 363 } 364 365 uno::Any SwAccessibleCell::getMinimumValue( ) 366 throw( uno::RuntimeException ) 367 { 368 uno::Any aAny; 369 aAny <<= -DBL_MAX; 370 return aAny; 371 } 372