accessibility/source/standard/vclxaccessiblemenubar.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/vclxaccessiblemenubar.hxx>
  21
  22 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  23 #include <comphelper/accessiblecontexthelper.hxx>
  24 #include <vcl/svapp.hxx>
  25 #include <vcl/window.hxx>
  26 #include <vcl/menu.hxx>
  27 #include <vcl/settings.hxx>
  28
  29 using namespace ::com::sun::star::accessibility;
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star;
  32 using namespace ::comphelper;
  33
  34
  35
  36
  37 VCLXAccessibleMenuBar::VCLXAccessibleMenuBar( Menu* pMenu )
  38     :OAccessibleMenuComponent( pMenu )
  39 {
  40     if ( pMenu )
  41     {
  42         m_pWindow = pMenu->GetWindow();
  43
  44         if ( m_pWindow )
  45             m_pWindow->AddEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
  46     }
  47 }
  48
  49
  50 VCLXAccessibleMenuBar::~VCLXAccessibleMenuBar()
  51 {
  52     if ( m_pWindow )
  53         m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
  54 }
  55
  56
  57 bool VCLXAccessibleMenuBar::IsFocused()
  58 {
  59     bool bFocused = false;
  60
  61     if ( m_pWindow && m_pWindow->HasFocus() && !IsChildHighlighted() )
  62         bFocused = true;
  63
  64     return bFocused;
  65 }
  66
  67
  68 IMPL_LINK( VCLXAccessibleMenuBar, WindowEventListener, VclWindowEvent&, rEvent, void )
  69 {
  70     assert( rEvent.GetWindow() );
  71     if ( !rEvent.GetWindow()->IsAccessibilityEventsSuppressed() || ( rEvent.GetId() == VclEventId::ObjectDying ) )
  72     {
  73         ProcessWindowEvent( rEvent );
  74     }
  75 }
  76
  77
  78 void VCLXAccessibleMenuBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
  79 {
  80     switch ( rVclWindowEvent.GetId() )
  81     {
  82         case VclEventId::WindowGetFocus:
  83         case VclEventId::WindowLoseFocus:
  84         {
  85             SetFocused( rVclWindowEvent.GetId() == VclEventId::WindowGetFocus );
  86         }
  87         break;
  88         case VclEventId::ObjectDying:
  89         {
  90             if ( m_pWindow )
  91             {
  92                 m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
  93                 m_pWindow = nullptr;
  94             }
  95         }
  96         break;
  97         default:
  98         {
  99         }
 100         break;
 101     }
 102 }
 103
 104
 105 // XComponent
 106
 107
 108 void VCLXAccessibleMenuBar::disposing()
 109 {
 110     OAccessibleMenuComponent::disposing();
 111
 112     if ( m_pWindow )
 113     {
 114         m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
 115         m_pWindow = nullptr;
 116     }
 117 }
 118
 119
 120 // XServiceInfo
 121
 122
 123 OUString VCLXAccessibleMenuBar::getImplementationName()
 124 {
 125     return "com.sun.star.comp.toolkit.AccessibleMenuBar";
 126 }
 127
 128
 129 Sequence< OUString > VCLXAccessibleMenuBar::getSupportedServiceNames()
 130 {
 131     return { "com.sun.star.awt.AccessibleMenuBar" };
 132 }
 133
 134
 135 // XAccessibleContext
 136
 137
 138 sal_Int64 VCLXAccessibleMenuBar::getAccessibleIndexInParent(  )
 139 {
 140     OExternalLockGuard aGuard( this );
 141
 142     sal_Int64 nIndexInParent = -1;
 143
 144     if ( m_pMenu )
 145     {
 146         vcl::Window* pWindow = m_pMenu->GetWindow();
 147         if ( pWindow )
 148         {
 149             vcl::Window* pParent = pWindow->GetAccessibleParentWindow();
 150             if ( pParent )
 151             {
 152                 for ( sal_uInt16 n = pParent->GetAccessibleChildWindowCount(); n; )
 153                 {
 154                     vcl::Window* pChild = pParent->GetAccessibleChildWindow( --n );
 155                     if ( pChild == pWindow )
 156                     {
 157                         nIndexInParent = n;
 158                         break;
 159                     }
 160                 }
 161             }
 162         }
 163     }
 164
 165     return nIndexInParent;
 166 }
 167
 168
 169 sal_Int16 VCLXAccessibleMenuBar::getAccessibleRole(  )
 170 {
 171     OExternalLockGuard aGuard( this );
 172
 173     return AccessibleRole::MENU_BAR;
 174 }
 175
 176
 177 // XAccessibleExtendedComponent
 178
 179
 180 sal_Int32 VCLXAccessibleMenuBar::getBackground(  )
 181 {
 182     OExternalLockGuard aGuard( this );
 183
 184     return sal_Int32(Application::GetSettings().GetStyleSettings().GetMenuBarColor());
 185 }
 186
 187
 188 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */