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 * 
 * 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_comphelper.hxx"
#include <comphelper/accessibleselectionhelper.hxx>

//.........................................................................
namespace comphelper
{
//.........................................................................

	using namespace ::com::sun::star::uno;
	using namespace ::com::sun::star::awt;
	using namespace ::com::sun::star::lang;
	using namespace ::com::sun::star::accessibility;

	//=====================================================================
	//= OCommonAccessibleSelection
	//=====================================================================
	//---------------------------------------------------------------------
	OCommonAccessibleSelection::OCommonAccessibleSelection( )
	{
	}

	//--------------------------------------------------------------------
    void SAL_CALL OCommonAccessibleSelection::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
	{
        implSelect( nChildIndex, sal_True );
	}

	//--------------------------------------------------------------------
	sal_Bool SAL_CALL OCommonAccessibleSelection::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
	{
        return( implIsSelected( nChildIndex ) );
	}

	//--------------------------------------------------------------------
	void SAL_CALL OCommonAccessibleSelection::clearAccessibleSelection(  ) throw (RuntimeException)
    {
        implSelect( ACCESSIBLE_SELECTION_CHILD_ALL, sal_False );
    }

	//--------------------------------------------------------------------
	void SAL_CALL OCommonAccessibleSelection::selectAllAccessibleChildren(  ) throw (RuntimeException)
    {
        implSelect( ACCESSIBLE_SELECTION_CHILD_ALL, sal_True );
    }

	//--------------------------------------------------------------------
	sal_Int32 SAL_CALL OCommonAccessibleSelection::getSelectedAccessibleChildCount(  ) throw (RuntimeException)
    {
        sal_Int32                       nRet = 0;
        Reference< XAccessibleContext > xParentContext( implGetAccessibleContext() );

		OSL_ENSURE( xParentContext.is(), "OCommonAccessibleSelection::getSelectedAccessibleChildCount: no parent context!" );

        if( xParentContext.is() )
        {
            for( sal_Int32 i = 0, nChildCount = xParentContext->getAccessibleChildCount(); i < nChildCount; i++ )
                if( implIsSelected( i ) )
                    ++nRet;
        }

        return( nRet );
    }

	//--------------------------------------------------------------------
	Reference< XAccessible > SAL_CALL OCommonAccessibleSelection::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
    {
        Reference< XAccessible >        xRet;
        Reference< XAccessibleContext > xParentContext( implGetAccessibleContext() );

		OSL_ENSURE( xParentContext.is(), "OCommonAccessibleSelection::getSelectedAccessibleChildCount: no parent context!" );

        if( xParentContext.is() )
        {
            for( sal_Int32 i = 0, nChildCount = xParentContext->getAccessibleChildCount(), nPos = 0; ( i < nChildCount ) && !xRet.is(); i++ )
                if( implIsSelected( i ) && ( nPos++ == nSelectedChildIndex ) )
                    xRet = xParentContext->getAccessibleChild( i );
        }

        return( xRet );
    }

	//--------------------------------------------------------------------
	void SAL_CALL OCommonAccessibleSelection::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
    {
        implSelect( nSelectedChildIndex, sal_False );
    }

	//=====================================================================
	//= OAccessibleSelectionHelper
	//=====================================================================
	//---------------------------------------------------------------------
	OAccessibleSelectionHelper::OAccessibleSelectionHelper( )
	{
	}

	//--------------------------------------------------------------------
	OAccessibleSelectionHelper::OAccessibleSelectionHelper( IMutex* _pExternalLock ) : OAccessibleComponentHelper(_pExternalLock)
	{
	}

	//--------------------------------------------------------------------
	IMPLEMENT_FORWARD_XINTERFACE2( OAccessibleSelectionHelper, OAccessibleComponentHelper, OAccessibleSelectionHelper_Base )
	IMPLEMENT_FORWARD_XTYPEPROVIDER2( OAccessibleSelectionHelper, OAccessibleComponentHelper, OAccessibleSelectionHelper_Base )
	// (order matters: the first is the class name, the second is the class doing the ref counting)

	//--------------------------------------------------------------------
    Reference< XAccessibleContext > OAccessibleSelectionHelper::implGetAccessibleContext() throw ( RuntimeException )
    {
        return( this );
    }

	//--------------------------------------------------------------------
    void SAL_CALL OAccessibleSelectionHelper::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
	{
		OExternalLockGuard aGuard( this );
        OCommonAccessibleSelection::selectAccessibleChild( nChildIndex );
	}

	//--------------------------------------------------------------------
	sal_Bool SAL_CALL OAccessibleSelectionHelper::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
	{
		OExternalLockGuard aGuard( this );
        return( OCommonAccessibleSelection::isAccessibleChildSelected( nChildIndex ) );
	}

	//--------------------------------------------------------------------
	void SAL_CALL OAccessibleSelectionHelper::clearAccessibleSelection(  ) throw (RuntimeException)
    {
		OExternalLockGuard aGuard( this );
        OCommonAccessibleSelection::clearAccessibleSelection();
    }

	//--------------------------------------------------------------------
	void SAL_CALL OAccessibleSelectionHelper::selectAllAccessibleChildren(  ) throw (RuntimeException)
    {
		OExternalLockGuard aGuard( this );
        OCommonAccessibleSelection::selectAllAccessibleChildren();
    }

	//--------------------------------------------------------------------
	sal_Int32 SAL_CALL OAccessibleSelectionHelper::getSelectedAccessibleChildCount(  ) throw (RuntimeException)
    {
		OExternalLockGuard aGuard( this );
        return( OCommonAccessibleSelection::getSelectedAccessibleChildCount() );
    }

	//--------------------------------------------------------------------
	Reference< XAccessible > SAL_CALL OAccessibleSelectionHelper::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
    {
		OExternalLockGuard aGuard( this );
        return( OCommonAccessibleSelection::getSelectedAccessibleChild( nSelectedChildIndex ) );
    }

	//--------------------------------------------------------------------
	void SAL_CALL OAccessibleSelectionHelper::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
    {
		OExternalLockGuard aGuard( this );
        OCommonAccessibleSelection::deselectAccessibleChild( nSelectedChildIndex );
    }

//.........................................................................
}	// namespace comphelper
//.........................................................................