vclxaccessibleheaderbar.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:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <standard/vclxaccessibleheaderbar.hxx>
#include <standard/vclxaccessibleheaderbaritem.hxx>
 
#include <o3tl/safeint.hxx>
#include <vcl/headbar.hxx>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <vcl/svapp.hxx>
 
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::accessibility;
using namespace ::comphelper;
 
VCLXAccessibleHeaderBar::VCLXAccessibleHeaderBar(VCLXWindow* pVCLWindow)
    : VCLXAccessibleComponent(pVCLWindow)
{
    m_pHeadBar = GetAs<HeaderBar>();
}
 
VCLXAccessibleHeaderBar::~VCLXAccessibleHeaderBar() {}
 
// XServiceInfo
 
OUString VCLXAccessibleHeaderBar::getImplementationName()
{
    return "com.sun.star.comp.toolkit.AccessibleHeaderBar";
}
 
Sequence<OUString> VCLXAccessibleHeaderBar::getSupportedServiceNames()
{
    return { "com.sun.star.awt.AccessibleHeaderBar" };
}
 
// =======XAccessibleContext=======
 
sal_Int64 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChildCount()
{
    SolarMutexGuard g;
 
    sal_Int64 nCount = 0;
    if (m_pHeadBar)
        nCount = m_pHeadBar->GetItemCount();
 
    return nCount;
}
css::uno::Reference<css::accessibility::XAccessible>
    SAL_CALL VCLXAccessibleHeaderBar::getAccessibleChild(sal_Int64 i)
{
    SolarMutexGuard g;
 
    if (i < 0 || i >= getAccessibleChildCount())
        throw IndexOutOfBoundsException();
 
    Reference<XAccessible> xChild;
    // search for the child
    if (o3tl::make_unsigned(i) >= m_aAccessibleChildren.size())
        xChild = CreateChild(i);
    else
    {
        xChild = m_aAccessibleChildren[i];
        if (!xChild.is())
            xChild = CreateChild(i);
    }
    return xChild;
}
 
sal_Int16 SAL_CALL VCLXAccessibleHeaderBar::getAccessibleRole()
{
    return css::accessibility::AccessibleRole::LIST;
}
 
void SAL_CALL VCLXAccessibleHeaderBar::disposing()
{
    SolarMutexGuard g;
 
    ListItems().swap(m_aAccessibleChildren);
    VCLXAccessibleComponent::disposing();
}
 
css::uno::Reference<css::accessibility::XAccessible>
VCLXAccessibleHeaderBar::CreateChild(sal_Int32 i)
{
    Reference<XAccessible> xChild;
 
    sal_uInt16 nPos = static_cast<sal_uInt16>(i);
    if (nPos >= m_aAccessibleChildren.size())
    {
        m_aAccessibleChildren.resize(nPos + 1);
 
        // insert into the container
        xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
        m_aAccessibleChildren[nPos] = xChild;
    }
    else
    {
        xChild = m_aAccessibleChildren[nPos];
        // check if position is empty and can be used else we have to adjust all entries behind this
        if (!xChild.is())
        {
            xChild = new VCLXAccessibleHeaderBarItem(m_pHeadBar, i);
            m_aAccessibleChildren[nPos] = xChild;
        }
    }
    return xChild;
}
 
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