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::awt;
  32 using namespace ::com::sun::star::lang;
  33 using namespace ::com::sun::star::beans;
  34 using namespace ::com::sun::star::accessibility;
  35 using namespace ::comphelper;
  36
  37 VCLXAccessibleHeaderBar::VCLXAccessibleHeaderBar(VCLXWindow* pVCLWindow)
  38     : VCLXAccessibleComponent(pVCLWindow)
  39 {
  40     m_pHeadBar = GetAs<HeaderBar>();
  41 }
  42
  43 VCLXAccessibleHeaderBar::~VCLXAccessibleHeaderBar() {}
  44
  45 // XServiceInfo
  46
  47 OUString VCLXAccessibleHeaderBar::getImplementationName()
  48 {
  49     return "com.sun.star.comp.toolkit.AccessibleHeaderBar";
  50 }
  51
  52 Sequence<OUString> VCLXAccessibleHeaderBar::getSupportedServiceNames()
  53 {
  54     return { "com.sun.star.awt.AccessibleHeaderBar" };
  55 }
  56
  57 // =======XAccessibleContext=======
  58
  59 sal_Int64 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChildCount()
  60 {
  61     SolarMutexGuard g;
  62
  63     sal_Int64 nCount = 0;
  64     if (m_pHeadBar)
  65         nCount = m_pHeadBar->GetItemCount();
  66
  67     return nCount;
  68 }
  69 css::uno::Reference<css::accessibility::XAccessible>
  70     SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChild(sal_Int64 i)
  71 {
  72     SolarMutexGuard g;
  73
  74     if (i < 0 || i >= getAccessibleChildCount())
  75         throw IndexOutOfBoundsException();
  76
  77     Reference<XAccessible> xChild;
  78     // search for the child
  79     if (o3tl::make_unsigned(i) >= m_aAccessibleChildren.size())
  80         xChild = CreateChild(i);
  81     else
  82     {
  83         xChild = m_aAccessibleChildren[i];
  84         if (!xChild.is())
  85             xChild = CreateChild(i);
  86     }
  87     return xChild;
  88 }
  89
  90 sal_Int16 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleRole()
  91 {
  92     return css::accessibility::AccessibleRole::LIST;
  93 }
  94
  95 void SAL_CALL VCLXAccessibleHeaderBar::disposing()
  96 {
  97     SolarMutexGuard g;
  98
  99     ListItems().swap(m_aAccessibleChildren);
 100     VCLXAccessibleComponent::disposing();
 101 }
 102
 103 css::uno::Reference<css::accessibility::XAccessible>
 104 VCLXAccessibleHeaderBar::CreateChild(sal_Int32 i)
 105 {
 106     Reference<XAccessible> xChild;
 107
 108     sal_uInt16 nPos = static_cast<sal_uInt16>(i);
 109     if (nPos >= m_aAccessibleChildren.size())
 110     {
 111         m_aAccessibleChildren.resize(nPos + 1);
 112
 113         // insert into the container
 114         xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
 115         m_aAccessibleChildren[nPos] = xChild;
 116     }
 117     else
 118     {
 119         xChild = m_aAccessibleChildren[nPos];
 120         // check if position is empty and can be used else we have to adjust all entries behind this
 121         if (!xChild.is())
 122         {
 123             xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
 124             m_aAccessibleChildren[nPos] = xChild;
 125         }
 126     }
 127     return xChild;
 128 }
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */