/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_accessibility.hxx"

// includes --------------------------------------------------------------
#include <accessibility/standard/vclxaccessiblemenu.hxx>

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

VCLXAccessibleMenu::VCLXAccessibleMenu( Menu* pParent, sal_uInt16 nItemPos, Menu* pMenu )
	:VCLXAccessibleMenuItem( pParent, nItemPos, pMenu )
{
}

// -----------------------------------------------------------------------------

VCLXAccessibleMenu::~VCLXAccessibleMenu()
{
}

// -----------------------------------------------------------------------------

sal_Bool VCLXAccessibleMenu::IsFocused()
{
    sal_Bool bFocused = sal_False;

    if ( IsHighlighted() && !IsChildHighlighted() )
        bFocused = sal_True;

    return bFocused;
}

// -----------------------------------------------------------------------------

sal_Bool VCLXAccessibleMenu::IsPopupMenuOpen()
{
    sal_Bool bPopupMenuOpen = sal_False;

    if ( m_pParent )
    {
        PopupMenu* pPopupMenu = m_pParent->GetPopupMenu( m_pParent->GetItemId( m_nItemPos ) );
        if ( pPopupMenu && pPopupMenu->IsMenuVisible() )
            bPopupMenuOpen = sal_True;
    }

    return bPopupMenuOpen;
}

// -----------------------------------------------------------------------------
// XInterface
// -----------------------------------------------------------------------------

IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleMenu, VCLXAccessibleMenuItem, VCLXAccessibleMenu_BASE )

// -----------------------------------------------------------------------------
// XTypeProvider
// -----------------------------------------------------------------------------

IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleMenu, VCLXAccessibleMenuItem, VCLXAccessibleMenu_BASE )

// -----------------------------------------------------------------------------
// XServiceInfo
// -----------------------------------------------------------------------------

::rtl::OUString VCLXAccessibleMenu::getImplementationName() throw (RuntimeException)
{
	return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleMenu" );
}

// -----------------------------------------------------------------------------

Sequence< ::rtl::OUString > VCLXAccessibleMenu::getSupportedServiceNames() throw (RuntimeException)
{
	Sequence< ::rtl::OUString > aNames(1);
	aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleMenu" );
	return aNames;
}

// -----------------------------------------------------------------------------
// XAccessibleContext
// -----------------------------------------------------------------------------

sal_Int32 VCLXAccessibleMenu::getAccessibleChildCount(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	return GetChildCount(); 
}

// -----------------------------------------------------------------------------

Reference< XAccessible > VCLXAccessibleMenu::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( i < 0 || i >= GetChildCount() )
		throw IndexOutOfBoundsException();

	return GetChild( i );
}

// -----------------------------------------------------------------------------

sal_Int16 VCLXAccessibleMenu::getAccessibleRole(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	return AccessibleRole::MENU;
}

// -----------------------------------------------------------------------------
// XAccessibleComponent
// -----------------------------------------------------------------------------

Reference< XAccessible > VCLXAccessibleMenu::getAccessibleAtPoint( const awt::Point& rPoint ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	return GetChildAt( rPoint );
}

// -----------------------------------------------------------------------------
// XAccessibleSelection
// -----------------------------------------------------------------------------

void VCLXAccessibleMenu::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
		throw IndexOutOfBoundsException();

	SelectChild( nChildIndex );
}

// -----------------------------------------------------------------------------

sal_Bool VCLXAccessibleMenu::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{	
	OExternalLockGuard aGuard( this );

	if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
		throw IndexOutOfBoundsException();

	return IsChildSelected( nChildIndex );	
}

// -----------------------------------------------------------------------------

void VCLXAccessibleMenu::clearAccessibleSelection(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	DeSelectAll();
}

// -----------------------------------------------------------------------------

void VCLXAccessibleMenu::selectAllAccessibleChildren(  ) throw (RuntimeException)
{
	// This method makes no sense in a menu, and so does nothing.
}

// -----------------------------------------------------------------------------

sal_Int32 VCLXAccessibleMenu::getSelectedAccessibleChildCount(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	sal_Int32 nRet = 0;

	for ( sal_Int32 i = 0, nCount = GetChildCount(); i < nCount; i++ )
	{		
		if ( IsChildSelected( i ) )
			++nRet;
	}

	return nRet;
}

// -----------------------------------------------------------------------------

Reference< XAccessible > VCLXAccessibleMenu::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
		throw IndexOutOfBoundsException();

	Reference< XAccessible > xChild;

	for ( sal_Int32 i = 0, j = 0, nCount = GetChildCount(); i < nCount; i++ )
	{		
		if ( IsChildSelected( i ) && ( j++ == nSelectedChildIndex ) )
		{
			xChild = GetChild( i );
			break;
		}
	}

	return xChild;
}

// -----------------------------------------------------------------------------

void VCLXAccessibleMenu::deselectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
		throw IndexOutOfBoundsException();

	DeSelectAll();
}

// -----------------------------------------------------------------------------

::rtl::OUString VCLXAccessibleMenu::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
        throw IndexOutOfBoundsException();

	return ::rtl::OUString(  );
}