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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 <vcl/svapp.hxx> 34 #include <com/sun/star/accessibility/AccessibleRole.hpp> 35 #include <com/sun/star/accessibility/AccessibleStateType.hpp> 36 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 37 #include <unotools/accessiblestatesethelper.hxx> 38 #include <frmfmt.hxx> 39 #include <ndnotxt.hxx> 40 #include <flyfrm.hxx> 41 #include <cntfrm.hxx> 42 // --> OD 2009-07-14 #i73249# 43 #include <hints.hxx> 44 // <-- 45 #include "accnotextframe.hxx" 46 47 using namespace ::com::sun::star; 48 using namespace ::com::sun::star::accessibility; 49 using ::rtl::OUString; 50 51 const SwNoTxtNode *SwAccessibleNoTextFrame::GetNoTxtNode() const 52 { 53 const SwNoTxtNode *pNd = 0; 54 const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm *>( GetFrm() ); 55 if( pFlyFrm->Lower() && pFlyFrm->Lower()->IsNoTxtFrm() ) 56 { 57 const SwCntntFrm *pCntFrm = 58 static_cast<const SwCntntFrm *>( pFlyFrm->Lower() ); 59 pNd = pCntFrm->GetNode()->GetNoTxtNode(); 60 } 61 62 return pNd; 63 } 64 65 SwAccessibleNoTextFrame::SwAccessibleNoTextFrame( 66 SwAccessibleMap* pInitMap, 67 sal_Int16 nInitRole, 68 const SwFlyFrm* pFlyFrm ) : 69 SwAccessibleFrameBase( pInitMap, nInitRole, pFlyFrm ), 70 aDepend( this, const_cast < SwNoTxtNode * >( GetNoTxtNode() ) ), 71 msTitle(), 72 msDesc() 73 { 74 const SwNoTxtNode* pNd = GetNoTxtNode(); 75 // --> OD 2009-07-14 #i73249# 76 // consider new attributes Title and Description 77 if( pNd ) 78 { 79 msTitle = pNd->GetTitle(); 80 81 msDesc = pNd->GetDescription(); 82 if ( msDesc.getLength() == 0 && 83 msTitle != GetName() ) 84 { 85 msDesc = msTitle; 86 } 87 } 88 // <-- 89 } 90 91 SwAccessibleNoTextFrame::~SwAccessibleNoTextFrame() 92 { 93 } 94 95 void SwAccessibleNoTextFrame::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew) 96 { 97 const sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ; 98 // --> OD 2009-07-14 #i73249# 99 // suppress handling of RES_NAME_CHANGED in case that attribute Title is 100 // used as the accessible name. 101 if ( nWhich != RES_NAME_CHANGED || 102 msTitle.getLength() == 0 ) 103 { 104 SwAccessibleFrameBase::Modify( pOld, pNew ); 105 } 106 107 const SwNoTxtNode *pNd = GetNoTxtNode(); 108 ASSERT( pNd == aDepend.GetRegisteredIn(), "invalid frame" ); 109 switch( nWhich ) 110 { 111 // --> OD 2009-07-14 #i73249# 112 case RES_TITLE_CHANGED: 113 { 114 const String& sOldTitle( 115 dynamic_cast<const SwStringMsgPoolItem*>(pOld)->GetString() ); 116 const String& sNewTitle( 117 dynamic_cast<const SwStringMsgPoolItem*>(pNew)->GetString() ); 118 if ( sOldTitle == sNewTitle ) 119 { 120 break; 121 } 122 msTitle = sNewTitle; 123 AccessibleEventObject aEvent; 124 aEvent.EventId = AccessibleEventId::NAME_CHANGED; 125 aEvent.OldValue <<= OUString( sOldTitle ); 126 aEvent.NewValue <<= msTitle; 127 FireAccessibleEvent( aEvent ); 128 129 if ( pNd->GetDescription().Len() != 0 ) 130 { 131 break; 132 } 133 } 134 // intentional no break here 135 case RES_DESCRIPTION_CHANGED: 136 { 137 if ( pNd && GetFrm() ) 138 { 139 const OUString sOldDesc( msDesc ); 140 141 const String& rDesc = pNd->GetDescription(); 142 msDesc = rDesc; 143 if ( msDesc.getLength() == 0 && 144 msTitle != GetName() ) 145 { 146 msDesc = msTitle; 147 } 148 149 if ( msDesc != sOldDesc ) 150 { 151 AccessibleEventObject aEvent; 152 aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED; 153 aEvent.OldValue <<= sOldDesc; 154 aEvent.NewValue <<= msDesc; 155 FireAccessibleEvent( aEvent ); 156 } 157 } 158 } 159 break; 160 // <-- 161 /* 162 case RES_OBJECTDYING: 163 if( aDepend.GetRegisteredIn() == 164 static_cast< SwModify *>( static_cast< SwPtrMsgPoolItem * >( pOld )->pObject ) ) 165 const_cast < SwModify *>( aDepend.GetRegisteredIn()->Remove( aDepend ); 166 break; 167 168 case RES_FMT_CHG: 169 if( static_cast< SwFmtChg * >(pNew)->pChangedFmt == GetRegisteredIn() && 170 static_cast< SwFmtChg * >(pOld)->pChangedFmt->IsFmtInDTOR() ) 171 GetRegisteredIn()->Remove( this ); 172 break; 173 */ 174 } 175 } 176 177 void SwAccessibleNoTextFrame::Dispose( sal_Bool bRecursive ) 178 { 179 vos::OGuard aGuard(Application::GetSolarMutex()); 180 181 if( aDepend.GetRegisteredIn() ) 182 const_cast < SwModify *>( aDepend.GetRegisteredIn() )->Remove( &aDepend ); 183 184 SwAccessibleFrameBase::Dispose( bRecursive ); 185 } 186 187 // --> OD 2009-07-14 #i73249# 188 OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleName (void) 189 throw (uno::RuntimeException) 190 { 191 vos::OGuard aGuard(Application::GetSolarMutex()); 192 193 CHECK_FOR_DEFUNC( XAccessibleContext ) 194 195 if ( msTitle.getLength() != 0 ) 196 { 197 return msTitle; 198 } 199 200 return SwAccessibleFrameBase::getAccessibleName(); 201 } 202 // <-- 203 204 OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleDescription (void) 205 throw (uno::RuntimeException) 206 { 207 vos::OGuard aGuard(Application::GetSolarMutex()); 208 209 CHECK_FOR_DEFUNC( XAccessibleContext ) 210 211 return msDesc; 212 } 213 214 215 216 // 217 // XInterface 218 // 219 220 uno::Any SAL_CALL SwAccessibleNoTextFrame::queryInterface( const uno::Type& aType ) 221 throw (uno::RuntimeException) 222 { 223 if( aType == 224 ::getCppuType( static_cast<uno::Reference<XAccessibleImage>*>( NULL ) ) ) 225 { 226 uno::Reference<XAccessibleImage> xImage = this; 227 uno::Any aAny; 228 aAny <<= xImage; 229 return aAny; 230 } 231 else 232 return SwAccessibleContext::queryInterface( aType ); 233 } 234 235 236 //====== XTypeProvider ==================================================== 237 uno::Sequence< uno::Type > SAL_CALL SwAccessibleNoTextFrame::getTypes() throw(uno::RuntimeException) 238 { 239 uno::Sequence< uno::Type > aTypes( SwAccessibleFrameBase::getTypes() ); 240 241 sal_Int32 nIndex = aTypes.getLength(); 242 aTypes.realloc( nIndex + 1 ); 243 244 uno::Type* pTypes = aTypes.getArray(); 245 pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleImage > * >( 0 ) ); 246 247 return aTypes; 248 } 249 250 251 // 252 // XAccessibleImage 253 // 254 255 // implementation of the XAccessibleImage methods is a no-brainer, as 256 // all releveant information is already accessible through other 257 // methods. So we just delegate to those. 258 259 OUString SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageDescription() 260 throw ( uno::RuntimeException ) 261 { 262 return getAccessibleDescription(); 263 } 264 265 sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageHeight( ) 266 throw ( uno::RuntimeException ) 267 { 268 return getSize().Height; 269 } 270 271 sal_Int32 SAL_CALL SwAccessibleNoTextFrame::getAccessibleImageWidth( ) 272 throw ( uno::RuntimeException ) 273 { 274 return getSize().Width; 275 } 276