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

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * 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

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <accessibility/accessibleiconchoicectrl.hxx>

#include <accessibility/accessibleiconchoicectrlentry.hxx>

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

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

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

#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>

#include <comphelper/accessiblecontexthelper.hxx>

#include <vcl/vclevent.hxx>

#include <vcl/toolkit/ivctrl.hxx>

// class AccessibleIconChoiceCtrl ----------------------------------------------

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

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

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

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

// Ctor() and Dtor()

AccessibleIconChoiceCtrl::AccessibleIconChoiceCtrl(SvtIconChoiceCtrl& _rIconCtrl)

    : ImplInheritanceHelper(&_rIconCtrl)

{

}

void AccessibleIconChoiceCtrl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )

{

    if ( !isAlive() )

        return;

    switch ( rVclWindowEvent.GetId() )

    {

        case VclEventId::ListboxSelect :

        {

            if (getCtrl())

            {

                SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );

                if ( pEntry )

                {

                    sal_Int32 nPos = getCtrl()->GetEntryListPos( pEntry );

                    Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *getCtrl(), nPos, this );

                    uno::Any aOldValue, aNewValue;

                    aNewValue <<= xChild;

                    if (getCtrl()->HasFocus())

                        NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );

                    NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, aOldValue, aNewValue );

                }

            }

            break;

        }

        case VclEventId::WindowGetFocus :

        {

            VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

            if ( pCtrl && pCtrl->HasFocus() )

            {

                SvxIconChoiceCtrlEntry* pEntry = getCtrl()->GetSelectedEntry();

                if ( pEntry )

                {

                    sal_Int32 nPos = pCtrl->GetEntryListPos( pEntry );

                    Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, nPos, this );

                    uno::Any aOldValue, aNewValue;

                    aNewValue <<= xChild;

                    NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );

                }

            }

            break;

        }

        default:

            VCLXAccessibleComponent::ProcessWindowChildEvent (rVclWindowEvent);

    }

}

// XServiceInfo

OUString SAL_CALL AccessibleIconChoiceCtrl::getImplementationName()

{

    return u"com.sun.star.comp.svtools.AccessibleIconChoiceControl"_ustr;

}

Sequence< OUString > SAL_CALL AccessibleIconChoiceCtrl::getSupportedServiceNames()

{

    return {u"com.sun.star.accessibility.AccessibleContext"_ustr,

            u"com.sun.star.awt.AccessibleIconChoiceControl"_ustr};

}

// XAccessibleContext

sal_Int64 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChildCount(  )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    return getCtrl()->GetEntryCount();

}

Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChild( sal_Int64 i )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    if (i < 0 || i >= getAccessibleChildCount())

        throw IndexOutOfBoundsException();

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    return new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );

}

sal_Int16 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleRole(  )

{

    //return AccessibleRole::TREE;

    return AccessibleRole::LIST;

}

OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleDescription(  )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    return getCtrl()->GetAccessibleDescription();

}

OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleName(  )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    return getCtrl()->GetAccessibleName();

}

// XAccessibleSelection

void SAL_CALL AccessibleIconChoiceCtrl::selectAccessibleChild( sal_Int64 nChildIndex )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())

        throw IndexOutOfBoundsException();

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );

    if ( !pEntry )

        throw IndexOutOfBoundsException();

    pCtrl->SetCursor( pEntry );

}

sal_Bool SAL_CALL AccessibleIconChoiceCtrl::isAccessibleChildSelected( sal_Int64 nChildIndex )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())

        throw IndexOutOfBoundsException();

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );

    if ( !pEntry )

        throw IndexOutOfBoundsException();

    return ( pCtrl->GetCursor() == pEntry );

}

void SAL_CALL AccessibleIconChoiceCtrl::clearAccessibleSelection(  )

{

    // one entry should always be selected, so don't unselect

}

void SAL_CALL AccessibleIconChoiceCtrl::selectAllAccessibleChildren(  )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    // don't do anything if there are no or multiple entries, as only

    // a single one can be selected

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    sal_Int32 nCount = pCtrl->GetEntryCount();

    if (nCount != 1)

        return;

    pCtrl->SetCursor(pCtrl->GetEntry(0));

}

sal_Int64 SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChildCount(  )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    if (pCtrl->GetCursor())

        return 1;

    return 0;

}

Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )

        throw IndexOutOfBoundsException();

    rtl::Reference< AccessibleIconChoiceCtrlEntry > xChild;

    sal_Int32 nSelCount = 0;

    VclPtr<SvtIconChoiceCtrl> pCtrl = getCtrl();

    sal_Int32 nCount = pCtrl->GetEntryCount();

    for ( sal_Int32 i = 0; i < nCount; ++i )

    {

        SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );

        if ( pCtrl->GetCursor() == pEntry )

            ++nSelCount;

        if ( nSelCount == ( nSelectedChildIndex + 1 ) )

        {

            xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );

            break;

        }

    }

    return xChild;

}

void SAL_CALL AccessibleIconChoiceCtrl::deselectAccessibleChild( sal_Int64 nSelectedChildIndex )

{

    ::comphelper::OExternalLockGuard aGuard( this );

    if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getAccessibleChildCount() )

        throw IndexOutOfBoundsException();

    // one entry should always be selected, so don't unselect

}

void AccessibleIconChoiceCtrl::FillAccessibleStateSet( sal_Int64& rStateSet )

{

    VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );

    if ( isAlive() )

    {

        rStateSet |= AccessibleStateType::FOCUSABLE;

        rStateSet |= AccessibleStateType::MANAGES_DESCENDANTS;

    }

}

VclPtr< SvtIconChoiceCtrl > AccessibleIconChoiceCtrl::getCtrl() const

{

    return GetAs<SvtIconChoiceCtrl >();

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */