sw/source/uibase/docvw/SidebarWinAcc.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 "SidebarWinAcc.hxx"
  21 #include <AnnotationWin.hxx>
  22
  23 #include <viewsh.hxx>
  24 #include <accmap.hxx>
  25 #include <toolkit/awt/vclxaccessiblecomponent.hxx>
  26
  27 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  28 #include <mutex>
  29
  30 namespace sw::sidebarwindows {
  31
  32 namespace {
  33
  34 // declaration and implementation of accessible context for <SidebarWinAccessible> instance
  35 class SidebarWinAccessibleContext : public VCLXAccessibleComponent
  36 {
  37     public:
  38         explicit SidebarWinAccessibleContext( sw::annotation::SwAnnotationWin& rSidebarWin,
  39                                               SwViewShell& rViewShell,
  40                                               const SwFrame* pAnchorFrame )
  41             : VCLXAccessibleComponent( dynamic_cast<VCLXWindow*>(rSidebarWin.CreateAccessible().get()) )
  42             , mrViewShell( rViewShell )
  43             , mpAnchorFrame( pAnchorFrame )
  44         {
  45             rSidebarWin.SetAccessibleRole( css::accessibility::AccessibleRole::COMMENT );
  46         }
  47
  48         void ChangeAnchor( const SwFrame* pAnchorFrame )
  49         {
  50             std::scoped_lock aGuard(maMutex);
  51
  52             mpAnchorFrame = pAnchorFrame;
  53         }
  54
  55         virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
  56             getAccessibleParent() override
  57         {
  58             std::scoped_lock aGuard(maMutex);
  59
  60             css::uno::Reference< css::accessibility::XAccessible > xAccParent;
  61
  62             if ( mpAnchorFrame &&
  63                  mrViewShell.GetAccessibleMap() )
  64             {
  65                 xAccParent = mrViewShell.GetAccessibleMap()->GetContext( mpAnchorFrame, false );
  66             }
  67
  68             return xAccParent;
  69         }
  70
  71         virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override
  72         {
  73             std::scoped_lock aGuard(maMutex);
  74
  75             sal_Int64 nIndex( -1 );
  76
  77             if ( mpAnchorFrame && GetWindow() &&
  78                  mrViewShell.GetAccessibleMap() )
  79             {
  80                 nIndex = mrViewShell.GetAccessibleMap()->GetChildIndex( *mpAnchorFrame,
  81                                                                         *GetWindow() );
  82             }
  83
  84             return nIndex;
  85         }
  86
  87     private:
  88         SwViewShell& mrViewShell;
  89         const SwFrame* mpAnchorFrame;
  90
  91         std::mutex maMutex;
  92 };
  93
  94 }
  95
  96 // implementation of accessible for <SwAnnotationWin> instance
  97 SidebarWinAccessible::SidebarWinAccessible( sw::annotation::SwAnnotationWin& rSidebarWin,
  98                                             SwViewShell& rViewShell,
  99                                             const SwSidebarItem& rSidebarItem )
 100     : mrSidebarWin( rSidebarWin )
 101     , mrViewShell( rViewShell )
 102     , mpAnchorFrame( rSidebarItem.maLayoutInfo.mpAnchorFrame )
 103     , m_bAccContextCreated( false )
 104 {
 105     SetWindow( &mrSidebarWin );
 106 }
 107
 108 SidebarWinAccessible::~SidebarWinAccessible()
 109 {
 110 }
 111
 112 void SidebarWinAccessible::ChangeSidebarItem( const SwSidebarItem& rSidebarItem )
 113 {
 114     if ( !m_bAccContextCreated )
 115         return;
 116
 117     css::uno::Reference< css::accessibility::XAccessibleContext > xAcc
 118                                                 = getAccessibleContext();
 119     if ( xAcc.is() )
 120     {
 121         SidebarWinAccessibleContext* pAccContext =
 122                     dynamic_cast<SidebarWinAccessibleContext*>(xAcc.get());
 123         if ( pAccContext )
 124         {
 125             pAccContext->ChangeAnchor( rSidebarItem.maLayoutInfo.mpAnchorFrame );
 126         }
 127     }
 128 }
 129
 130 css::uno::Reference< css::accessibility::XAccessibleContext > SidebarWinAccessible::CreateAccessibleContext()
 131 {
 132     rtl::Reference<SidebarWinAccessibleContext> pAccContext =
 133                                 new SidebarWinAccessibleContext( mrSidebarWin,
 134                                                                  mrViewShell,
 135                                                                  mpAnchorFrame );
 136     m_bAccContextCreated = true;
 137     return pAccContext;
 138 }
 139
 140 } // end of namespace sw::sidebarwindows
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */