sd/source/ui/accessibility/AccessibleScrollPanel.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
  21 #include "AccessibleScrollPanel.hxx"
  22
  23 #include "taskpane/ScrollPanel.hxx"
  24 #include "taskpane/ControlContainer.hxx"
  25 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  26 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
  27 #include <unotools/accessiblestatesethelper.hxx>
  28
  29 #include <osl/mutex.hxx>
  30 #include <vcl/svapp.hxx>
  31
  32 using namespace ::com::sun::star;
  33 using namespace ::com::sun::star::accessibility;
  34 using namespace ::com::sun::star::uno;
  35 using namespace ::sd::toolpanel;
  36
  37 namespace accessibility {
  38
  39 AccessibleScrollPanel::AccessibleScrollPanel (
  40     ::sd::toolpanel::ScrollPanel& rScrollPanel,
  41     const OUString& rsName,
  42     const OUString& rsDescription)
  43     : AccessibleTreeNode(
  44         rScrollPanel,
  45         rsName,
  46         rsDescription,
  47         AccessibleRole::PANEL)
  48 {
  49 }
  50
  51
  52
  53
  54 AccessibleScrollPanel::~AccessibleScrollPanel (void)
  55 {
  56 }
  57
  58
  59
  60
  61 //=====  XAccessibleContext  ==================================================
  62
  63 sal_Int32 SAL_CALL
  64     AccessibleScrollPanel::getAccessibleChildCount (void)
  65     throw (RuntimeException)
  66 {
  67     ThrowIfDisposed();
  68     const SolarMutexGuard aSolarGuard;
  69
  70     sal_Int32 nChildCount (mrTreeNode.GetControlContainer().GetControlCount());
  71     if (GetScrollPanel().IsVerticalScrollBarVisible())
  72         ++nChildCount;
  73     if (GetScrollPanel().IsHorizontalScrollBarVisible())
  74         ++nChildCount;
  75
  76     return nChildCount;
  77 }
  78
  79
  80
  81
  82 Reference<XAccessible> SAL_CALL
  83     AccessibleScrollPanel::getAccessibleChild (sal_Int32 nIndex)
  84     throw (lang::IndexOutOfBoundsException,
  85         RuntimeException)
  86 {
  87     ThrowIfDisposed();
  88     const SolarMutexGuard aSolarGuard;
  89
  90     Reference<XAccessible> xChild;
  91
  92     ScrollPanel& rPanel (GetScrollPanel());
  93
  94     sal_uInt32 nControlCount (mrTreeNode.GetControlContainer().GetControlCount());
  95
  96     // The children of this accessible object include the tree node children
  97     // and the two scroll bars (when they are visible).
  98     if (nIndex < 0)
  99         throw lang::IndexOutOfBoundsException();
 100     else if ((sal_uInt32)nIndex < nControlCount)
 101         xChild = AccessibleTreeNode::getAccessibleChild(nIndex);
 102     else if ((sal_uInt32)nIndex == nControlCount)
 103     {
 104         if (rPanel.IsVerticalScrollBarVisible())
 105             xChild = rPanel.GetVerticalScrollBar().GetAccessible();
 106         else if (rPanel.IsHorizontalScrollBarVisible())
 107             xChild = rPanel.GetHorizontalScrollBar().GetAccessible();
 108     }
 109     else if ((sal_uInt32)nIndex == nControlCount+1)
 110     {
 111         if (rPanel.IsVerticalScrollBarVisible() && rPanel.IsHorizontalScrollBarVisible())
 112             xChild = rPanel.GetHorizontalScrollBar().GetAccessible();
 113     }
 114     else
 115         throw lang::IndexOutOfBoundsException();
 116
 117     return xChild;
 118 }
 119
 120
 121
 122
 123 //=====  XServiceInfo  ========================================================
 124
 125 OUString SAL_CALL
 126     AccessibleScrollPanel::getImplementationName (void)
 127     throw (RuntimeException)
 128 {
 129     return OUString("AccessibleScrollPanel");
 130 }
 131
 132
 133
 134
 135 ScrollPanel& AccessibleScrollPanel::GetScrollPanel (void) const
 136 {
 137     return static_cast<ScrollPanel&>(mrTreeNode);
 138 }
 139
 140 } // end of namespace accessibility
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */