/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * 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

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

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 */

#include "AccessibleChartElement.hxx"

#include <AccessibleTextHelper.hxx>

#include <sal/log.hxx>

#include <ChartModel.hxx>

#include <ChartController.hxx>

#include <ObjectIdentifier.hxx>

#include <ObjectNameProvider.hxx>

#include <com/sun/star/chart2/XTitle.hpp>

#include <com/sun/star/accessibility/AccessibleStateType.hpp>

using namespace ::com::sun::star;

using namespace ::com::sun::star::accessibility;

using ::com::sun::star::uno::UNO_QUERY;

using ::com::sun::star::uno::Reference;

namespace chart

{

AccessibleChartElement::AccessibleChartElement(

    const AccessibleElementInfo & rAccInfo,

    bool bMayHaveChildren ) :

        AccessibleBase(rAccInfo, bMayHaveChildren, false/*bAlwaysTransparent*/),

        m_bHasText( false )

{

    AddState( AccessibleStateType::TRANSIENT );

}

AccessibleChartElement::~AccessibleChartElement()

{

    SAL_WARN_IF(isAlive(), "chart2.accessibility", "AccessibleChartElement destroyed while still alive (not disposed)");

}

// ________ protected ________

bool AccessibleChartElement::ImplUpdateChildren()

{

    bool bResult = false;

    Reference< chart2::XTitle > xTitle(

        ObjectIdentifier::getObjectPropertySet(

            GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ),

        uno::UNO_QUERY );

    m_bHasText = xTitle.is();

    if( m_bHasText )

    {

        InitTextEdit();

        bResult = true;

    }

    else

        bResult = AccessibleBase::ImplUpdateChildren();

    return bResult;

}

void AccessibleChartElement::InitTextEdit()

{

    if( ! m_xTextHelper.is())

    {

        // get hard reference

        rtl::Reference< ::chart::ChartController > xChartController( GetInfo().m_xChartController );

        if( xChartController.is())

            m_xTextHelper = xChartController->createAccessibleTextContext();

    }

    if( !m_xTextHelper.is())

        return;

    m_xTextHelper->initialize(GetInfo().m_aOID.getObjectCID(), this, GetInfo().m_pWindow);

}

//             Interfaces

// ________ AccessibleBase::XAccessibleContext ________

Reference< XAccessible > AccessibleChartElement::ImplGetAccessibleChildById( sal_Int64 i ) const

{

    Reference< XAccessible > xResult;

    if( m_bHasText )

        xResult.set( m_xTextHelper->getAccessibleChild( i ));

    else

        xResult.set( AccessibleBase::ImplGetAccessibleChildById( i ));

    return xResult;

}

sal_Int64 AccessibleChartElement::ImplGetAccessibleChildCount() const

{

    if( m_bHasText )

    {

        if( m_xTextHelper.is())

            return m_xTextHelper->getAccessibleChildCount();

        return 0;

    }

    return AccessibleBase::ImplGetAccessibleChildCount();

}

// ________ AccessibleChartElement::XAccessibleContext (override) ________

OUString SAL_CALL AccessibleChartElement::getAccessibleName()

{

    return ObjectNameProvider::getNameForCID(

        GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );

}

// ________ AccessibleChartElement::XAccessibleContext (override) ________

OUString SAL_CALL AccessibleChartElement::getAccessibleDescription()

{

    return getToolTipText();

}

// ________ AccessibleChartElement::XAccessibleExtendedComponent ________

OUString SAL_CALL AccessibleChartElement::getToolTipText()

{

    ensureAlive();

    return ObjectNameProvider::getHelpText(

        GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );

}

} // namespace chart

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