/* -*- 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/vclxaccessiblemenu.hxx>

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

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

#include <comphelper/accessiblecontexthelper.hxx>

#include <vcl/menu.hxx>

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

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

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

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

using namespace ::comphelper;

// VCLXAccessibleMenu

bool VCLXAccessibleMenu::IsFocused()

{

    bool bFocused = false;

    if ( IsHighlighted() && !IsChildHighlighted() )

        bFocused = true;

    return bFocused;

}

bool VCLXAccessibleMenu::IsPopupMenuOpen()

{

    bool bPopupMenuOpen = false;

    if ( m_pParent )

    {

        PopupMenu* pPopupMenu = m_pParent->GetPopupMenu( m_pParent->GetItemId( m_nItemPos ) );

        if ( pPopupMenu && pPopupMenu->IsMenuVisible() )

            bPopupMenuOpen = true;

    }

    return bPopupMenuOpen;

}

// XServiceInfo

OUString VCLXAccessibleMenu::getImplementationName()

{

    return u"com.sun.star.comp.toolkit.AccessibleMenu"_ustr;

}

Sequence< OUString > VCLXAccessibleMenu::getSupportedServiceNames()

{

    return { u"com.sun.star.awt.AccessibleMenu"_ustr };

}

// XAccessibleContext

sal_Int64 VCLXAccessibleMenu::getAccessibleChildCount(  )

{

    OExternalLockGuard aGuard( this );

    return GetChildCount();

}

Reference< XAccessible > VCLXAccessibleMenu::getAccessibleChild( sal_Int64 i )

{

    OExternalLockGuard aGuard( this );

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

        throw IndexOutOfBoundsException();

    return GetChild( i );

}

sal_Int16 VCLXAccessibleMenu::getAccessibleRole(  )

{

    OExternalLockGuard aGuard( this );

    return AccessibleRole::MENU;

}

// XAccessibleComponent

Reference< XAccessible > VCLXAccessibleMenu::getAccessibleAtPoint( const awt::Point& rPoint )

{

    OExternalLockGuard aGuard( this );

    return GetChildAt( rPoint );

}

// XAccessibleSelection

void VCLXAccessibleMenu::selectAccessibleChild( sal_Int64 nChildIndex )

{

    OExternalLockGuard aGuard( this );

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

        throw IndexOutOfBoundsException();

    SelectChild( nChildIndex );

}

sal_Bool VCLXAccessibleMenu::isAccessibleChildSelected( sal_Int64 nChildIndex )

{

    OExternalLockGuard aGuard( this );

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

        throw IndexOutOfBoundsException();

    return IsChildSelected( nChildIndex );

}

void VCLXAccessibleMenu::clearAccessibleSelection(  )

{

    OExternalLockGuard aGuard( this );

    DeSelectAll();

}

void VCLXAccessibleMenu::selectAllAccessibleChildren(  )

{

    // This method makes no sense in a menu, and so does nothing.

}

sal_Int64 VCLXAccessibleMenu::getSelectedAccessibleChildCount(  )

{

    OExternalLockGuard aGuard( this );

    return implGetSelectedAccessibleChildCount();

}

sal_Int64 VCLXAccessibleMenu::implGetSelectedAccessibleChildCount(  )

{

    sal_Int64 nRet = 0;

    for ( sal_Int64 i = 0, nCount = GetChildCount(); i < nCount; i++ )

    {

        if ( IsChildSelected( i ) )

            ++nRet;

    }

    return nRet;

}

Reference< XAccessible > VCLXAccessibleMenu::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )

{

    OExternalLockGuard aGuard( this );

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

        throw IndexOutOfBoundsException();

    Reference< XAccessible > xChild;

    for ( sal_Int64 i = 0, j = 0, nCount = GetChildCount(); i < nCount; i++ )

    {

        if ( IsChildSelected( i ) && ( j++ == nSelectedChildIndex ) )

        {

            xChild = GetChild( i );

            break;

        }

    }

    return xChild;

}

void VCLXAccessibleMenu::deselectAccessibleChild( sal_Int64 nChildIndex )

{

    OExternalLockGuard aGuard( this );

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

        throw IndexOutOfBoundsException();

    DeSelectAll();

}

OUString VCLXAccessibleMenu::getAccessibleActionDescription ( sal_Int32 nIndex )

{

    OExternalLockGuard aGuard( this );

    if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )

        throw IndexOutOfBoundsException();

    return OUString(  );

}

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