accessibility/source/standard/vclxaccessibleheaderbar.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 <standard/vclxaccessibleheaderbar.hxx>
  21 #include <standard/vclxaccessibleheaderbaritem.hxx>
  22
  23 #include <o3tl/safeint.hxx>
  24 #include <vcl/headbar.hxx>
  25 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
  26 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  27 #include <vcl/svapp.hxx>
  28
  29 using namespace ::com::sun::star;
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star::lang;
  32 using namespace ::com::sun::star::accessibility;
  33
  34 VCLXAccessibleHeaderBar::VCLXAccessibleHeaderBar(VCLXWindow* pVCLWindow)
  35     : VCLXAccessibleComponent(pVCLWindow)
  36 {
  37     m_pHeadBar = GetAs<HeaderBar>();
  38 }
  39
  40 VCLXAccessibleHeaderBar::~VCLXAccessibleHeaderBar() {}
  41
  42 // XServiceInfo
  43
  44 OUString VCLXAccessibleHeaderBar::getImplementationName()
  45 {
  46     return u"com.sun.star.comp.toolkit.AccessibleHeaderBar"_ustr;
  47 }
  48
  49 Sequence<OUString> VCLXAccessibleHeaderBar::getSupportedServiceNames()
  50 {
  51     return { u"com.sun.star.awt.AccessibleHeaderBar"_ustr };
  52 }
  53
  54 // =======XAccessibleContext=======
  55
  56 sal_Int64 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChildCount()
  57 {
  58     SolarMutexGuard g;
  59
  60     sal_Int64 nCount = 0;
  61     if (m_pHeadBar)
  62         nCount = m_pHeadBar->GetItemCount();
  63
  64     return nCount;
  65 }
  66 css::uno::Reference<css::accessibility::XAccessible>
  67     SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChild(sal_Int64 i)
  68 {
  69     SolarMutexGuard g;
  70
  71     if (i < 0 || i >= getAccessibleChildCount())
  72         throw IndexOutOfBoundsException();
  73
  74     Reference<XAccessible> xChild;
  75     // search for the child
  76     if (o3tl::make_unsigned(i) >= m_aAccessibleChildren.size())
  77         xChild = CreateChild(i);
  78     else
  79     {
  80         xChild = m_aAccessibleChildren[i];
  81         if (!xChild.is())
  82             xChild = CreateChild(i);
  83     }
  84     return xChild;
  85 }
  86
  87 sal_Int16 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleRole()
  88 {
  89     return css::accessibility::AccessibleRole::LIST;
  90 }
  91
  92 void SAL_CALL VCLXAccessibleHeaderBar::disposing()
  93 {
  94     SolarMutexGuard g;
  95
  96     ListItems().swap(m_aAccessibleChildren);
  97     VCLXAccessibleComponent::disposing();
  98 }
  99
 100 css::uno::Reference<css::accessibility::XAccessible>
 101 VCLXAccessibleHeaderBar::CreateChild(sal_Int32 i)
 102 {
 103     Reference<XAccessible> xChild;
 104
 105     sal_uInt16 nPos = static_cast<sal_uInt16>(i);
 106     if (nPos >= m_aAccessibleChildren.size())
 107     {
 108         m_aAccessibleChildren.resize(nPos + 1);
 109
 110         // insert into the container
 111         xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
 112         m_aAccessibleChildren[nPos] = xChild;
 113     }
 114     else
 115     {
 116         xChild = m_aAccessibleChildren[nPos];
 117         // check if position is empty and can be used else we have to adjust all entries behind this
 118         if (!xChild.is())
 119         {
 120             xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
 121             m_aAccessibleChildren[nPos] = xChild;
 122         }
 123     }
 124     return xChild;
 125 }
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */