accessibility/source/extended/accessibleeditbrowseboxcell.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 <helper/accresmgr.hxx>
  21 #include <strings.hrc>
  22
  23 #include <extended/accessibleeditbrowseboxcell.hxx>
  24 #include <svtools/editbrowsebox.hxx>
  25 #include <comphelper/processfactory.hxx>
  26 #include <com/sun/star/accessibility/XAccessibleText.hpp>
  27 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
  28
  29 namespace accessibility
  30 {
  31     using namespace com::sun::star::accessibility;
  32     using namespace ::com::sun::star::uno;
  33     using namespace ::com::sun::star::lang;
  34     using namespace ::com::sun::star::awt;
  35     using namespace ::comphelper;
  36     using namespace ::svt;
  37
  38     EditBrowseBoxTableCell::EditBrowseBoxTableCell(
  39                 const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
  40                 const css::uno::Reference< css::accessibility::XAccessible >& _rxOwningAccessible,
  41                 const css::uno::Reference< css::accessibility::XAccessibleContext >& _xControlChild,
  42                 ::vcl::IAccessibleTableProvider& _rBrowseBox,
  43                 const css::uno::Reference< css::awt::XWindow >& _xFocusWindow,
  44                 sal_Int32 _nRowPos,
  45                 sal_uInt16 _nColPos)
  46         :AccessibleBrowseBoxCell( _rxParent, _rBrowseBox, _xFocusWindow, _nRowPos, _nColPos )
  47         ,OAccessibleContextWrapperHelper( ::comphelper::getProcessComponentContext(), rBHelper, _xControlChild, _rxOwningAccessible, _rxParent )
  48     {
  49         aggregateProxy( m_refCount, *this );
  50     }
  51
  52     EditBrowseBoxTableCell::~EditBrowseBoxTableCell()
  53     {
  54         if ( !rBHelper.bDisposed )
  55         {
  56             acquire();  // to prevent duplicate dtor calls
  57             dispose();
  58         }
  59     }
  60
  61     OUString SAL_CALL EditBrowseBoxTableCell::getImplementationName()
  62     {
  63         return OUString( "com.sun.star.comp.svtools.TableCellProxy" );
  64     }
  65
  66     IMPLEMENT_FORWARD_XINTERFACE2( EditBrowseBoxTableCell, AccessibleBrowseBoxCell, OAccessibleContextWrapperHelper )
  67
  68     IMPLEMENT_FORWARD_XTYPEPROVIDER2( EditBrowseBoxTableCell, AccessibleBrowseBoxCell, OAccessibleContextWrapperHelper )
  69
  70     void EditBrowseBoxTableCell::notifyTranslatedEvent( const AccessibleEventObject& _rEvent )
  71     {
  72         commitEvent( _rEvent.EventId, _rEvent.NewValue, _rEvent.OldValue );
  73     }
  74
  75     // css::accessibility::XAccessibleComponent
  76     sal_Int32 SAL_CALL EditBrowseBoxTableCell::getForeground(  )
  77     {
  78         SolarMethodGuard aGuard(getMutex());
  79         ensureIsAlive();
  80
  81         css::uno::Reference< css::accessibility::XAccessibleComponent > xAccComp( m_xInnerContext, UNO_QUERY );
  82         if ( xAccComp.is() )
  83             return xAccComp->getForeground();
  84         return 0;
  85     }
  86
  87     sal_Int32 SAL_CALL EditBrowseBoxTableCell::getBackground(  )
  88     {
  89         SolarMethodGuard aGuard(getMutex());
  90         ensureIsAlive();
  91
  92         css::uno::Reference< css::accessibility::XAccessibleComponent > xAccComp( m_xInnerContext, UNO_QUERY );
  93         if ( xAccComp.is() )
  94             return xAccComp->getBackground();
  95         return 0;
  96     }
  97
  98     css::uno::Reference< css::accessibility::XAccessible > SAL_CALL EditBrowseBoxTableCell::getAccessibleParent(  )
  99     {
 100         return m_xParentAccessible;
 101     }
 102
 103     OUString SAL_CALL EditBrowseBoxTableCell::getAccessibleDescription()
 104     {
 105         SolarMethodGuard aGuard(getMutex());
 106         ensureIsAlive();
 107
 108         return m_xInnerContext->getAccessibleDescription();
 109     }
 110
 111     OUString SAL_CALL EditBrowseBoxTableCell::getAccessibleName()
 112     {
 113         SolarMethodGuard aGuard(getMutex());
 114         ensureIsAlive();
 115
 116         return AccResId(RID_STR_ACC_COLUMN_NUM).replaceAll("%COLUMNNUMBER", OUString::number(getColumnPos()-1)) + ", "
 117                + AccResId(RID_STR_ACC_ROW_NUM).replaceAll("%ROWNUMBER", OUString::number(getRowPos()));
 118     }
 119
 120     css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL EditBrowseBoxTableCell::getAccessibleRelationSet()
 121     {
 122         SolarMethodGuard aGuard(getMutex());
 123         ensureIsAlive();
 124
 125         return baseGetAccessibleRelationSet( );
 126     }
 127
 128     css::uno::Reference<css::accessibility::XAccessibleStateSet > SAL_CALL EditBrowseBoxTableCell::getAccessibleStateSet()
 129     {
 130         SolarMethodGuard aGuard(getMutex());
 131         ensureIsAlive();
 132
 133         return m_xInnerContext->getAccessibleStateSet();
 134             // TODO: shouldn't we add an ACTIVE here? Isn't the EditBrowseBoxTableCell always ACTIVE?
 135     }
 136
 137     sal_Int32 SAL_CALL EditBrowseBoxTableCell::getAccessibleChildCount(  )
 138     {
 139         SolarMethodGuard aGuard(getMutex());
 140         ensureIsAlive();
 141
 142         return baseGetAccessibleChildCount();
 143     }
 144
 145     css::uno::Reference< css::accessibility::XAccessible > SAL_CALL EditBrowseBoxTableCell::getAccessibleChild( sal_Int32 i )
 146     {
 147         SolarMethodGuard aGuard(getMutex());
 148         ensureIsAlive();
 149
 150         return baseGetAccessibleChild( i );
 151     }
 152
 153     sal_Int16 SAL_CALL EditBrowseBoxTableCell::getAccessibleRole()
 154     {
 155         SolarMethodGuard aGuard(getMutex());
 156         ensureIsAlive();
 157
 158         return m_xInnerContext->getAccessibleRole( );
 159     }
 160
 161     void SAL_CALL EditBrowseBoxTableCell::dispose()
 162     {
 163         // simply disambiguate. Note that the OComponentHelper base in AccessibleBrowseBoxCell
 164         // will call our "disposing()", which will call "dispose()" on the OAccessibleContextWrapperHelper
 165         // so there is no need to do this here.
 166         AccessibleBrowseBoxCell::dispose();
 167     }
 168
 169     void SAL_CALL EditBrowseBoxTableCell::disposing( const css::lang::EventObject& _rSource )
 170     {
 171         AccessibleBrowseBoxCell::disposing( _rSource );
 172         OAccessibleContextWrapperHelper::disposing( _rSource );
 173     }
 174
 175     void SAL_CALL EditBrowseBoxTableCell::disposing()
 176     {
 177         SolarMethodGuard aGuard(getMutex());
 178
 179         OAccessibleContextWrapperHelper::dispose();
 180             // TODO: do we need to dispose our inner object? The base class does this, but is it a good idea?
 181         AccessibleBrowseBoxCell::disposing();
 182     }
 183
 184     // EditBrowseBoxTableCell
 185     EditBrowseBoxTableCellAccess::EditBrowseBoxTableCellAccess(
 186             const css::uno::Reference< css::accessibility::XAccessible >& _rxParent, const css::uno::Reference< css::accessibility::XAccessible >& _rxControlAccessible,
 187             const css::uno::Reference< css::awt::XWindow >& _rxFocusWindow,
 188             ::vcl::IAccessibleTableProvider& _rBrowseBox, sal_Int32 _nRowPos, sal_uInt16 _nColPos )
 189         :WeakComponentImplHelper( m_aMutex )
 190         ,m_xParent( _rxParent )
 191         ,m_xControlAccessible( _rxControlAccessible )
 192         ,m_xFocusWindow( _rxFocusWindow )
 193         ,m_pBrowseBox( &_rBrowseBox )
 194         ,m_nRowPos( _nRowPos )
 195         ,m_nColPos( _nColPos )
 196     {
 197     }
 198
 199     EditBrowseBoxTableCellAccess::~EditBrowseBoxTableCellAccess( )
 200     {
 201     }
 202
 203     css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL EditBrowseBoxTableCellAccess::getAccessibleContext(  )
 204     {
 205         if ( !m_pBrowseBox || !m_xControlAccessible.is() )
 206             throw DisposedException();
 207         css::uno::Reference< css::accessibility::XAccessibleContext > xMyContext( m_aContext );
 208         if ( !xMyContext.is() )
 209         {
 210             css::uno::Reference< css::accessibility::XAccessibleContext > xInnerContext = m_xControlAccessible->getAccessibleContext();
 211             css::uno::Reference< css::accessibility::XAccessible > xMe( this );
 212
 213             xMyContext = new EditBrowseBoxTableCell( m_xParent, xMe, xInnerContext, *m_pBrowseBox, m_xFocusWindow, m_nRowPos, m_nColPos );
 214             m_aContext = xMyContext;
 215         }
 216         return xMyContext;
 217     }
 218
 219     void SAL_CALL EditBrowseBoxTableCellAccess::disposing()
 220     {
 221         // dispose our context, if it still alive
 222         css::uno::Reference< XComponent > xMyContext( m_aContext.get(), UNO_QUERY );
 223         if ( xMyContext.is() )
 224         {
 225             try
 226             {
 227                 xMyContext->dispose();
 228             }
 229             catch( const Exception& )
 230             {
 231                 OSL_FAIL( "EditBrowseBoxTableCellAccess::disposing: caught an exception while disposing the context!" );
 232             }
 233         }
 234
 235         m_pBrowseBox = nullptr;
 236         m_xControlAccessible.clear();
 237         m_aContext.clear();
 238         // NO dispose of the inner object there: it is the css::accessibility::XAccessible of a window, and disposing
 239         // it would delete the respective VCL window
 240     }
 241 } // namespace accessibility
 242
 243 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */