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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_sw.hxx" 30 31 32 #include <vos/mutex.hxx> 33 #include <com/sun/star/accessibility/AccessibleRole.hpp> 34 #include <com/sun/star/accessibility/AccessibleStateType.hpp> 35 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 36 #include <unotools/accessiblestatesethelper.hxx> 37 #include <rtl/uuid.h> 38 #include <vcl/svapp.hxx> 39 #include <cellfrm.hxx> 40 #include <tabfrm.hxx> 41 #include <swtable.hxx> 42 #include "crsrsh.hxx" 43 #include "viscrs.hxx" 44 #include <accfrmobj.hxx> 45 #include <accfrmobjslist.hxx> 46 #include "frmfmt.hxx" 47 #include "cellatr.hxx" 48 #include "accmap.hxx" 49 #include <acccell.hxx> 50 51 #ifndef _STLP_CFLOAT 52 #include <cfloat> 53 #endif 54 55 #include <limits.h> 56 57 using namespace ::com::sun::star; 58 using namespace ::com::sun::star::accessibility; 59 using ::rtl::OUString; 60 using namespace sw::access; 61 62 const sal_Char sServiceName[] = "com.sun.star.table.AccessibleCellView"; 63 const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleCellView"; 64 65 sal_Bool SwAccessibleCell::IsSelected() 66 { 67 sal_Bool bRet = sal_False; 68 69 DBG_ASSERT( GetMap(), "no map?" ); 70 const ViewShell *pVSh = GetMap()->GetShell(); 71 DBG_ASSERT( pVSh, "no shell?" ); 72 if( pVSh->ISA( SwCrsrShell ) ) 73 { 74 const SwCrsrShell *pCSh = static_cast< const SwCrsrShell * >( pVSh ); 75 if( pCSh->IsTableMode() ) 76 { 77 const SwCellFrm *pCFrm = 78 static_cast< const SwCellFrm * >( GetFrm() ); 79 SwTableBox *pBox = 80 const_cast< SwTableBox *>( pCFrm->GetTabBox() ); //SVPtrArr! 81 bRet = pCSh->GetTableCrsr()->GetBoxes().Seek_Entry( pBox ); 82 } 83 } 84 85 return bRet; 86 } 87 88 void SwAccessibleCell::GetStates( ::utl::AccessibleStateSetHelper& rStateSet ) 89 { 90 SwAccessibleContext::GetStates( rStateSet ); 91 92 // SELECTABLE 93 const ViewShell *pVSh = GetMap()->GetShell(); 94 DBG_ASSERT( pVSh, "no shell?" ); 95 if( pVSh->ISA( SwCrsrShell ) ) 96 rStateSet.AddState( AccessibleStateType::SELECTABLE ); 97 98 // SELECTED 99 if( IsSelected() ) 100 { 101 rStateSet.AddState( AccessibleStateType::SELECTED ); 102 ASSERT( bIsSelected, "bSelected out of sync" ); 103 ::vos::ORef < SwAccessibleContext > xThis( this ); 104 GetMap()->SetCursorContext( xThis ); 105 } 106 } 107 108 SwAccessibleCell::SwAccessibleCell( SwAccessibleMap *pInitMap, 109 const SwCellFrm *pCellFrm ) 110 : SwAccessibleContext( pInitMap, AccessibleRole::TABLE_CELL, pCellFrm ) 111 , bIsSelected( sal_False ) 112 { 113 vos::OGuard aGuard(Application::GetSolarMutex()); 114 OUString sBoxName( pCellFrm->GetTabBox()->GetName() ); 115 SetName( sBoxName ); 116 117 bIsSelected = IsSelected(); 118 } 119 120 sal_Bool SwAccessibleCell::_InvalidateMyCursorPos() 121 { 122 sal_Bool bNew = IsSelected(); 123 sal_Bool bOld; 124 { 125 vos::OGuard aGuard( aMutex ); 126 bOld = bIsSelected; 127 bIsSelected = bNew; 128 } 129 if( bNew ) 130 { 131 // remember that object as the one that has the caret. This is 132 // neccessary to notify that object if the cursor leaves it. 133 ::vos::ORef < SwAccessibleContext > xThis( this ); 134 GetMap()->SetCursorContext( xThis ); 135 } 136 137 sal_Bool bChanged = bOld != bNew; 138 if( bChanged ) 139 FireStateChangedEvent( AccessibleStateType::SELECTED, bNew ); 140 141 return bChanged; 142 } 143 144 sal_Bool SwAccessibleCell::_InvalidateChildrenCursorPos( const SwFrm *pFrm ) 145 { 146 sal_Bool bChanged = sal_False; 147 148 const SwAccessibleChildSList aVisList( GetVisArea(), *pFrm, *GetMap() ); 149 SwAccessibleChildSList::const_iterator aIter( aVisList.begin() ); 150 while( aIter != aVisList.end() ) 151 { 152 const SwAccessibleChild& rLower = *aIter; 153 const SwFrm *pLower = rLower.GetSwFrm(); 154 if( pLower ) 155 { 156 if( rLower.IsAccessible( GetMap()->GetShell()->IsPreView() ) ) 157 { 158 ::vos::ORef< SwAccessibleContext > xAccImpl( 159 GetMap()->GetContextImpl( pLower, sal_False ) ); 160 if( xAccImpl.isValid() ) 161 { 162 ASSERT( xAccImpl->GetFrm()->IsCellFrm(), 163 "table child is not a cell frame" ) 164 bChanged |= static_cast< SwAccessibleCell *>( 165 xAccImpl.getBodyPtr() )->_InvalidateMyCursorPos(); 166 } 167 else 168 bChanged = sal_True; // If the context is not know we 169 // don't know whether the selection 170 // changed or not. 171 } 172 else 173 { 174 // This is a box with sub rows. 175 bChanged |= _InvalidateChildrenCursorPos( pLower ); 176 } 177 } 178 ++aIter; 179 } 180 181 return bChanged; 182 } 183 184 void SwAccessibleCell::_InvalidateCursorPos() 185 { 186 187 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 188 ASSERT( pParent->IsTabFrm(), "parent is not a tab frame" ); 189 const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( pParent ); 190 if( pTabFrm->IsFollow() ) 191 pTabFrm = pTabFrm->FindMaster(); 192 193 while( pTabFrm ) 194 { 195 sal_Bool bChanged = _InvalidateChildrenCursorPos( pTabFrm ); 196 if( bChanged ) 197 { 198 ::vos::ORef< SwAccessibleContext > xAccImpl( 199 GetMap()->GetContextImpl( pTabFrm, sal_False ) ); 200 if( xAccImpl.isValid() ) 201 { 202 AccessibleEventObject aEvent; 203 aEvent.EventId = AccessibleEventId::SELECTION_CHANGED; 204 xAccImpl->FireAccessibleEvent( aEvent ); 205 } 206 } 207 208 pTabFrm = pTabFrm->GetFollow(); 209 } 210 } 211 212 sal_Bool SwAccessibleCell::HasCursor() 213 { 214 vos::OGuard aGuard( aMutex ); 215 return bIsSelected; 216 } 217 218 SwAccessibleCell::~SwAccessibleCell() 219 { 220 } 221 222 OUString SAL_CALL SwAccessibleCell::getAccessibleDescription (void) 223 throw (uno::RuntimeException) 224 { 225 return GetName(); 226 } 227 228 OUString SAL_CALL SwAccessibleCell::getImplementationName() 229 throw( uno::RuntimeException ) 230 { 231 return OUString(RTL_CONSTASCII_USTRINGPARAM(sImplementationName)); 232 } 233 234 sal_Bool SAL_CALL SwAccessibleCell::supportsService( 235 const ::rtl::OUString& sTestServiceName) 236 throw (uno::RuntimeException) 237 { 238 return sTestServiceName.equalsAsciiL( sServiceName, 239 sizeof(sServiceName)-1 ) || 240 sTestServiceName.equalsAsciiL( sAccessibleServiceName, 241 sizeof(sAccessibleServiceName)-1 ); 242 } 243 244 uno::Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames() 245 throw( uno::RuntimeException ) 246 { 247 uno::Sequence< OUString > aRet(2); 248 OUString* pArray = aRet.getArray(); 249 pArray[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(sServiceName) ); 250 pArray[1] = OUString( RTL_CONSTASCII_USTRINGPARAM(sAccessibleServiceName) ); 251 return aRet; 252 } 253 254 void SwAccessibleCell::Dispose( sal_Bool bRecursive ) 255 { 256 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 257 ::vos::ORef< SwAccessibleContext > xAccImpl( 258 GetMap()->GetContextImpl( pParent, sal_False ) ); 259 if( xAccImpl.isValid() ) 260 xAccImpl->DisposeChild( SwAccessibleChild(GetFrm()), bRecursive ); 261 SwAccessibleContext::Dispose( bRecursive ); 262 } 263 264 void SwAccessibleCell::InvalidatePosOrSize( const SwRect& rOldBox ) 265 { 266 const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() ); 267 ::vos::ORef< SwAccessibleContext > xAccImpl( 268 GetMap()->GetContextImpl( pParent, sal_False ) ); 269 if( xAccImpl.isValid() ) 270 xAccImpl->InvalidateChildPosOrSize( SwAccessibleChild(GetFrm()), rOldBox ); 271 SwAccessibleContext::InvalidatePosOrSize( rOldBox ); 272 } 273 274 275 // ===== XAccessibleInterface =========================================== 276 277 uno::Any SwAccessibleCell::queryInterface( const uno::Type& rType ) 278 throw( uno::RuntimeException ) 279 { 280 if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ) ) 281 { 282 uno::Reference<XAccessibleValue> xValue = this; 283 uno::Any aRet; 284 aRet <<= xValue; 285 return aRet; 286 } 287 else 288 { 289 return SwAccessibleContext::queryInterface( rType ); 290 } 291 } 292 293 //====== XTypeProvider ==================================================== 294 uno::Sequence< uno::Type > SAL_CALL SwAccessibleCell::getTypes() 295 throw(uno::RuntimeException) 296 { 297 uno::Sequence< uno::Type > aTypes( SwAccessibleContext::getTypes() ); 298 299 sal_Int32 nIndex = aTypes.getLength(); 300 aTypes.realloc( nIndex + 1 ); 301 302 uno::Type* pTypes = aTypes.getArray(); 303 pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ); 304 305 return aTypes; 306 } 307 308 uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleCell::getImplementationId() 309 throw(uno::RuntimeException) 310 { 311 vos::OGuard aGuard(Application::GetSolarMutex()); 312 static uno::Sequence< sal_Int8 > aId( 16 ); 313 static sal_Bool bInit = sal_False; 314 if(!bInit) 315 { 316 rtl_createUuid( (sal_uInt8 *)(aId.getArray() ), 0, sal_True ); 317 bInit = sal_True; 318 } 319 return aId; 320 } 321 322 // ===== XAccessibleValue =============================================== 323 324 SwFrmFmt* SwAccessibleCell::GetTblBoxFormat() const 325 { 326 DBG_ASSERT( GetFrm() != NULL, "no frame?" ); 327 DBG_ASSERT( GetFrm()->IsCellFrm(), "no cell frame?" ); 328 329 const SwCellFrm* pCellFrm = static_cast<const SwCellFrm*>( GetFrm() ); 330 return pCellFrm->GetTabBox()->GetFrmFmt(); 331 } 332 333 334 uno::Any SwAccessibleCell::getCurrentValue( ) 335 throw( uno::RuntimeException ) 336 { 337 vos::OGuard aGuard(Application::GetSolarMutex()); 338 CHECK_FOR_DEFUNC( XAccessibleValue ); 339 340 uno::Any aAny; 341 aAny <<= GetTblBoxFormat()->GetTblBoxValue().GetValue(); 342 return aAny; 343 } 344 345 sal_Bool SwAccessibleCell::setCurrentValue( const uno::Any& aNumber ) 346 throw( uno::RuntimeException ) 347 { 348 vos::OGuard aGuard(Application::GetSolarMutex()); 349 CHECK_FOR_DEFUNC( XAccessibleValue ); 350 351 double fValue = 0; 352 sal_Bool bValid = (aNumber >>= fValue); 353 if( bValid ) 354 { 355 SwTblBoxValue aValue( fValue ); 356 GetTblBoxFormat()->SetFmtAttr( aValue ); 357 } 358 return bValid; 359 } 360 361 uno::Any SwAccessibleCell::getMaximumValue( ) 362 throw( uno::RuntimeException ) 363 { 364 uno::Any aAny; 365 aAny <<= DBL_MAX; 366 return aAny; 367 } 368 369 uno::Any SwAccessibleCell::getMinimumValue( ) 370 throw( uno::RuntimeException ) 371 { 372 uno::Any aAny; 373 aAny <<= -DBL_MAX; 374 return aAny; 375 } 376