SidebarWinAcc.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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#include "SidebarWinAcc.hxx"
#include <AnnotationWin.hxx>
 
#include <viewsh.hxx>
#include <accmap.hxx>
#include <toolkit/awt/vclxaccessiblecomponent.hxx>
 
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <mutex>
 
namespace sw::sidebarwindows {
 
namespace {
 
// declaration and implementation of accessible context for <SidebarWinAccessible> instance
class SidebarWinAccessibleContext : public VCLXAccessibleComponent
{
    public:
        explicit SidebarWinAccessibleContext( sw::annotation::SwAnnotationWin& rSidebarWin,
                                              SwViewShell& rViewShell,
                                              const SwFrame* pAnchorFrame )
            : VCLXAccessibleComponent( dynamic_cast<VCLXWindow*>(rSidebarWin.CreateAccessible().get()) )
            , mrViewShell( rViewShell )
            , mpAnchorFrame( pAnchorFrame )
        {
            rSidebarWin.SetAccessibleRole( css::accessibility::AccessibleRole::COMMENT );
        }
 
        void ChangeAnchor( const SwFrame* pAnchorFrame )
        {
            std::scoped_lock aGuard(maMutex);
 
            mpAnchorFrame = pAnchorFrame;
        }
 
        virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
            getAccessibleParent() override
        {
            std::scoped_lock aGuard(maMutex);
 
            css::uno::Reference< css::accessibility::XAccessible > xAccParent;
 
            if ( mpAnchorFrame &&
                 mrViewShell.GetAccessibleMap() )
            {
                xAccParent = mrViewShell.GetAccessibleMap()->GetContext( mpAnchorFrame, false );
            }
 
            return xAccParent;
        }
 
        virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override
        {
            std::scoped_lock aGuard(maMutex);
 
            sal_Int64 nIndex( -1 );
 
            if ( mpAnchorFrame && GetWindow() &&
                 mrViewShell.GetAccessibleMap() )
            {
                nIndex = mrViewShell.GetAccessibleMap()->GetChildIndex( *mpAnchorFrame,
                                                                        *GetWindow() );
            }
 
            return nIndex;
        }
 
    private:
        SwViewShell& mrViewShell;
        const SwFrame* mpAnchorFrame;
 
        std::mutex maMutex;
};
 
}
 
// implementation of accessible for <SwAnnotationWin> instance
SidebarWinAccessible::SidebarWinAccessible( sw::annotation::SwAnnotationWin& rSidebarWin,
                                            SwViewShell& rViewShell,
                                            const SwSidebarItem& rSidebarItem )
    : mrSidebarWin( rSidebarWin )
    , mrViewShell( rViewShell )
    , mpAnchorFrame( rSidebarItem.maLayoutInfo.mpAnchorFrame )
    , m_bAccContextCreated( false )
{
    SetWindow( &mrSidebarWin );
}
 
SidebarWinAccessible::~SidebarWinAccessible()
{
}
 
void SidebarWinAccessible::ChangeSidebarItem( const SwSidebarItem& rSidebarItem )
{
    if ( !m_bAccContextCreated )
        return;
 
    css::uno::Reference< css::accessibility::XAccessibleContext > xAcc
                                                = getAccessibleContext();
    if ( xAcc.is() )
    {
        SidebarWinAccessibleContext* pAccContext =
                    dynamic_cast<SidebarWinAccessibleContext*>(xAcc.get());
        if ( pAccContext )
        {
            pAccContext->ChangeAnchor( rSidebarItem.maLayoutInfo.mpAnchorFrame );
        }
    }
}
 
css::uno::Reference< css::accessibility::XAccessibleContext > SidebarWinAccessible::CreateAccessibleContext()
{
    rtl::Reference<SidebarWinAccessibleContext> pAccContext =
                                new SidebarWinAccessibleContext( mrSidebarWin,
                                                                 mrViewShell,
                                                                 mpAnchorFrame );
    m_bAccContextCreated = true;
    return pAccContext;
}
 
} // end of namespace sw::sidebarwindows
 
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