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.
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   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 <accessibility/standard/vclxaccessiblemenubar.hxx>
  21
  22 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/window.hxx>
  25 #include <vcl/menu.hxx>
  26 #include <vcl/settings.hxx>
  27
  28 using namespace ::com::sun::star::accessibility;
  29 using namespace ::com::sun::star::uno;
  30 using namespace ::com::sun::star;
  31 using namespace ::comphelper;
  32
  33
  34
  35 // class VCLXAccessibleMenuBar
  36
  37
  38 VCLXAccessibleMenuBar::VCLXAccessibleMenuBar( Menu* pMenu )
  39     :OAccessibleMenuComponent( pMenu )
  40 {
  41     if ( pMenu )
  42     {
  43         m_pWindow = pMenu->GetWindow();
  44
  45         if ( m_pWindow )
  46             m_pWindow->AddEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
  47     }
  48     else
  49     {
  50         m_pWindow = 0;
  51     }
  52 }
  53
  54
  55
  56 VCLXAccessibleMenuBar::~VCLXAccessibleMenuBar()
  57 {
  58     if ( m_pWindow )
  59         m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
  60 }
  61
  62
  63
  64 bool VCLXAccessibleMenuBar::IsFocused()
  65 {
  66     bool bFocused = false;
  67
  68     if ( m_pWindow && m_pWindow->HasFocus() && !IsChildHighlighted() )
  69         bFocused = true;
  70
  71     return bFocused;
  72 }
  73
  74
  75
  76 IMPL_LINK( VCLXAccessibleMenuBar, WindowEventListener, VclSimpleEvent*, pEvent )
  77 {
  78     OSL_ENSURE( pEvent && pEvent->ISA( VclWindowEvent ), "VCLXAccessibleMenuBar::WindowEventListener: unknown window event!" );
  79     if ( pEvent && pEvent->ISA( VclWindowEvent ) )
  80     {
  81         OSL_ENSURE( static_cast<VclWindowEvent*>(pEvent)->GetWindow(), "VCLXAccessibleMenuBar::WindowEventListener: no window!" );
  82         if ( !static_cast<VclWindowEvent*>(pEvent)->GetWindow()->IsAccessibilityEventsSuppressed() || ( pEvent->GetId() == VCLEVENT_OBJECT_DYING ) )
  83         {
  84             ProcessWindowEvent( *static_cast<VclWindowEvent*>(pEvent) );
  85         }
  86     }
  87     return 0;
  88 }
  89
  90
  91
  92 void VCLXAccessibleMenuBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
  93 {
  94     switch ( rVclWindowEvent.GetId() )
  95     {
  96         case VCLEVENT_WINDOW_GETFOCUS:
  97         case VCLEVENT_WINDOW_LOSEFOCUS:
  98         {
  99             SetFocused( rVclWindowEvent.GetId() == VCLEVENT_WINDOW_GETFOCUS );
 100         }
 101         break;
 102         case VCLEVENT_OBJECT_DYING:
 103         {
 104             if ( m_pWindow )
 105             {
 106                 m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
 107                 m_pWindow = NULL;
 108             }
 109         }
 110         break;
 111         default:
 112         {
 113         }
 114         break;
 115     }
 116 }
 117
 118
 119 // XComponent
 120
 121
 122 void VCLXAccessibleMenuBar::disposing()
 123 {
 124     OAccessibleMenuComponent::disposing();
 125
 126     if ( m_pWindow )
 127     {
 128         m_pWindow->RemoveEventListener( LINK( this, VCLXAccessibleMenuBar, WindowEventListener ) );
 129         m_pWindow = NULL;
 130     }
 131 }
 132
 133
 134 // XServiceInfo
 135
 136
 137 OUString VCLXAccessibleMenuBar::getImplementationName() throw (RuntimeException, std::exception)
 138 {
 139     return OUString( "com.sun.star.comp.toolkit.AccessibleMenuBar" );
 140 }
 141
 142
 143
 144 Sequence< OUString > VCLXAccessibleMenuBar::getSupportedServiceNames() throw (RuntimeException, std::exception)
 145 {
 146     Sequence< OUString > aNames(1);
 147     aNames[0] = "com.sun.star.awt.AccessibleMenuBar";
 148     return aNames;
 149 }
 150
 151
 152 // XAccessibleContext
 153
 154
 155 sal_Int32 VCLXAccessibleMenuBar::getAccessibleIndexInParent(  ) throw (RuntimeException, std::exception)
 156 {
 157     OExternalLockGuard aGuard( this );
 158
 159     sal_Int32 nIndexInParent = -1;
 160
 161     if ( m_pMenu )
 162     {
 163         vcl::Window* pWindow = m_pMenu->GetWindow();
 164         if ( pWindow )
 165         {
 166             vcl::Window* pParent = pWindow->GetAccessibleParentWindow();
 167             if ( pParent )
 168             {
 169                 for ( sal_uInt16 n = pParent->GetAccessibleChildWindowCount(); n; )
 170                 {
 171                     vcl::Window* pChild = pParent->GetAccessibleChildWindow( --n );
 172                     if ( pChild == pWindow )
 173                     {
 174                         nIndexInParent = n;
 175                         break;
 176                     }
 177                 }
 178             }
 179         }
 180     }
 181
 182     return nIndexInParent;
 183 }
 184
 185
 186
 187 sal_Int16 VCLXAccessibleMenuBar::getAccessibleRole(  ) throw (RuntimeException, std::exception)
 188 {
 189     OExternalLockGuard aGuard( this );
 190
 191     return AccessibleRole::MENU_BAR;
 192 }
 193
 194
 195 // XAccessibleExtendedComponent
 196
 197
 198 sal_Int32 VCLXAccessibleMenuBar::getBackground(  ) throw (RuntimeException, std::exception)
 199 {
 200     OExternalLockGuard aGuard( this );
 201
 202     return Application::GetSettings().GetStyleSettings().GetMenuBarColor().GetColor();
 203 }
 204
 205
 206
 207 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */