accessibility/source/extended/AccessibleGridControlTableBase.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "accessibility/extended/AccessibleGridControlTableBase.hxx"
  21 #include <svtools/accessibletable.hxx>
  22 #include <tools/multisel.hxx>
  23 #include <comphelper/sequence.hxx>
  24 #include <comphelper/servicehelper.hxx>
  25
  26 // ============================================================================
  27
  28 using ::com::sun::star::uno::Reference;
  29 using ::com::sun::star::uno::Sequence;
  30 using ::com::sun::star::uno::Any;
  31
  32 using namespace ::com::sun::star;
  33 using namespace ::com::sun::star::accessibility;
  34 using namespace ::svt;
  35 using namespace ::svt::table;
  36
  37 // ============================================================================
  38
  39 namespace accessibility {
  40
  41 // ============================================================================
  42
  43 AccessibleGridControlTableBase::AccessibleGridControlTableBase(
  44         const Reference< XAccessible >& rxParent,
  45         IAccessibleTable& rTable,
  46         AccessibleTableControlObjType eObjType ) :
  47     GridControlAccessibleElement( rxParent, rTable, eObjType )
  48 {
  49 }
  50
  51 AccessibleGridControlTableBase::~AccessibleGridControlTableBase()
  52 {
  53 }
  54
  55 // XAccessibleContext ---------------------------------------------------------
  56
  57 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleChildCount()
  58     throw ( uno::RuntimeException )
  59 {
  60     SolarMutexGuard aSolarGuard;
  61     ::osl::MutexGuard aGuard( getOslMutex() );
  62     ensureIsAlive();
  63     sal_Int32 nChildren = 0;
  64     if(m_eObjType == TCTYPE_ROWHEADERBAR)
  65         nChildren = m_aTable.GetRowCount();
  66     else if(m_eObjType == TCTYPE_TABLE)
  67         nChildren = m_aTable.GetRowCount()*m_aTable.GetColumnCount();
  68     else if(m_eObjType == TCTYPE_COLUMNHEADERBAR)
  69         nChildren = m_aTable.GetColumnCount();
  70     return nChildren;
  71 }
  72
  73 sal_Int16 SAL_CALL AccessibleGridControlTableBase::getAccessibleRole()
  74     throw ( uno::RuntimeException )
  75 {
  76     ensureIsAlive();
  77     return AccessibleRole::TABLE;
  78 }
  79
  80 // XAccessibleTable -----------------------------------------------------------
  81
  82 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRowCount()
  83     throw ( uno::RuntimeException )
  84 {
  85     SolarMutexGuard aSolarGuard;
  86     ::osl::MutexGuard aGuard( getOslMutex() );
  87     ensureIsAlive();
  88     return  m_aTable.GetRowCount();
  89 }
  90
  91 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumnCount()
  92     throw ( uno::RuntimeException )
  93 {
  94     SolarMutexGuard aSolarGuard;
  95     ::osl::MutexGuard aGuard( getOslMutex() );
  96     ensureIsAlive();
  97     return m_aTable.GetColumnCount();
  98 }
  99
 100 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRowExtentAt(
 101         sal_Int32 nRow, sal_Int32 nColumn )
 102     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
 103 {
 104     SolarMutexGuard aSolarGuard;
 105     ::osl::MutexGuard aGuard( getOslMutex() );
 106     ensureIsAlive();
 107     ensureIsValidAddress( nRow, nColumn );
 108     return 1;   // merged cells not supported
 109 }
 110
 111 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumnExtentAt(
 112         sal_Int32 nRow, sal_Int32 nColumn )
 113     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
 114 {
 115     SolarMutexGuard aSolarGuard;
 116     ::osl::MutexGuard aGuard( getOslMutex() );
 117     ensureIsAlive();
 118     ensureIsValidAddress( nRow, nColumn );
 119     return 1;   // merged cells not supported
 120 }
 121
 122 Reference< XAccessible > SAL_CALL AccessibleGridControlTableBase::getAccessibleCaption()
 123     throw ( uno::RuntimeException )
 124 {
 125     ensureIsAlive();
 126     return NULL;    // not supported
 127 }
 128
 129 Reference< XAccessible > SAL_CALL AccessibleGridControlTableBase::getAccessibleSummary()
 130     throw ( uno::RuntimeException )
 131 {
 132     ensureIsAlive();
 133     return NULL;    // not supported
 134 }
 135
 136 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleIndex(
 137         sal_Int32 nRow, sal_Int32 nColumn )
 138     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
 139 {
 140     SolarMutexGuard aSolarGuard;
 141     ::osl::MutexGuard aGuard( getOslMutex() );
 142     ensureIsAlive();
 143     ensureIsValidAddress( nRow, nColumn );
 144     return implGetChildIndex( nRow, nColumn );
 145 }
 146
 147 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRow( sal_Int32 nChildIndex )
 148     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
 149 {
 150     SolarMutexGuard aSolarGuard;
 151     ::osl::MutexGuard aGuard( getOslMutex() );
 152     ensureIsAlive();
 153     ensureIsValidIndex( nChildIndex );
 154     return implGetRow( nChildIndex );
 155 }
 156
 157 sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumn( sal_Int32 nChildIndex )
 158     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
 159 {
 160     SolarMutexGuard aSolarGuard;
 161     ::osl::MutexGuard aGuard( getOslMutex() );
 162     ensureIsAlive();
 163     ensureIsValidIndex( nChildIndex );
 164     return implGetColumn( nChildIndex );
 165 }
 166
 167 // XInterface -----------------------------------------------------------------
 168
 169 Any SAL_CALL AccessibleGridControlTableBase::queryInterface( const uno::Type& rType )
 170     throw ( uno::RuntimeException )
 171 {
 172     Any aAny( GridControlAccessibleElement::queryInterface( rType ) );
 173     return aAny.hasValue() ?
 174         aAny : AccessibleGridControlTableImplHelper::queryInterface( rType );
 175 }
 176
 177 void SAL_CALL AccessibleGridControlTableBase::acquire() throw ()
 178 {
 179     GridControlAccessibleElement::acquire();
 180 }
 181
 182 void SAL_CALL AccessibleGridControlTableBase::release() throw ()
 183 {
 184     GridControlAccessibleElement::release();
 185 }
 186
 187 // XTypeProvider --------------------------------------------------------------
 188
 189 Sequence< uno::Type > SAL_CALL AccessibleGridControlTableBase::getTypes()
 190     throw ( uno::RuntimeException )
 191 {
 192     return ::comphelper::concatSequences(
 193         GridControlAccessibleElement::getTypes(),
 194         AccessibleGridControlTableImplHelper::getTypes() );
 195 }
 196
 197 namespace
 198 {
 199     class theAccessibleGridControlTableBaseImplementationId : public rtl::Static< UnoTunnelIdInit, theAccessibleGridControlTableBaseImplementationId > {};
 200 }
 201
 202 Sequence< sal_Int8 > SAL_CALL AccessibleGridControlTableBase::getImplementationId()
 203     throw ( uno::RuntimeException )
 204 {
 205     return theAccessibleGridControlTableBaseImplementationId::get().getSeq();
 206 }
 207
 208 // internal helper methods ----------------------------------------------------
 209
 210 sal_Int32 AccessibleGridControlTableBase::implGetChildCount() const
 211 {
 212     return m_aTable.GetRowCount()*m_aTable.GetColumnCount();
 213 }
 214
 215 sal_Int32 AccessibleGridControlTableBase::implGetRow( sal_Int32 nChildIndex ) const
 216 {
 217     sal_Int32 nColumns = m_aTable.GetColumnCount();
 218     return nColumns ? (nChildIndex / nColumns) : 0;
 219 }
 220
 221 sal_Int32 AccessibleGridControlTableBase::implGetColumn( sal_Int32 nChildIndex ) const
 222 {
 223     sal_Int32 nColumns = m_aTable.GetColumnCount();
 224     return nColumns ? (nChildIndex % nColumns) : 0;
 225 }
 226
 227 sal_Int32 AccessibleGridControlTableBase::implGetChildIndex(
 228         sal_Int32 nRow, sal_Int32 nColumn ) const
 229 {
 230     return nRow * m_aTable.GetColumnCount() + nColumn;
 231 }
 232
 233 void AccessibleGridControlTableBase::implGetSelectedRows( Sequence< sal_Int32 >& rSeq )
 234 {
 235     sal_Int32 const selectionCount( m_aTable.GetSelectedRowCount() );
 236     rSeq.realloc( selectionCount );
 237     for ( sal_Int32 i=0; i<selectionCount; ++i )
 238         rSeq[i] = m_aTable.GetSelectedRowIndex(i);
 239 }
 240
 241 void AccessibleGridControlTableBase::ensureIsValidRow( sal_Int32 nRow )
 242     throw ( lang::IndexOutOfBoundsException )
 243 {
 244     if( nRow >= m_aTable.GetRowCount() )
 245         throw lang::IndexOutOfBoundsException(
 246             OUString( "row index is invalid" ), *this );
 247 }
 248
 249 void AccessibleGridControlTableBase::ensureIsValidColumn( sal_Int32 nColumn )
 250     throw ( lang::IndexOutOfBoundsException )
 251 {
 252     if( nColumn >= m_aTable.GetColumnCount() )
 253         throw lang::IndexOutOfBoundsException(
 254             OUString( "column index is invalid" ), *this );
 255 }
 256
 257 void AccessibleGridControlTableBase::ensureIsValidAddress(
 258         sal_Int32 nRow, sal_Int32 nColumn )
 259     throw ( lang::IndexOutOfBoundsException )
 260 {
 261     ensureIsValidRow( nRow );
 262     ensureIsValidColumn( nColumn );
 263 }
 264
 265 void AccessibleGridControlTableBase::ensureIsValidIndex( sal_Int32 nChildIndex )
 266     throw ( lang::IndexOutOfBoundsException )
 267 {
 268     if( nChildIndex >= implGetChildCount() )
 269         throw lang::IndexOutOfBoundsException(
 270             OUString( "child index is invalid" ), *this );
 271 }
 272
 273 // ============================================================================
 274
 275 } // namespace accessibility
 276
 277 // ============================================================================
 278
 279 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */