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#ifndef _SVX_ACCESSIBILITY_IACCESSIBLE_PARENT_HXX
#define _SVX_ACCESSIBILITY_IACCESSIBLE_PARENT_HXX

#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/drawing/XShape.hpp>
#include <sal/types.h>

namespace accessibility {

class AccessibleShape;
class AccessibleShapeTreeInfo;

/** This interface contains methods missing from the
    <type>XAccessibleContext</type> interface that allow the modification of
    parent/child relationship.
*/
class IAccessibleParent
{
public:
    /** Allow for a virtual destructor.
    */
    virtual ~IAccessibleParent (void){};

    /** A call to this method requests the implementor to replace one child
        with another and send the appropriate notifications.  That are two
        child events: One notifying the removal of the current child and one
        about the existence of the new child.  The index of the new child is
        implementation dependent, i.e. it is not garanteed that the
        replacement has the same index as the current child has.

        <p>A default implementation can just use the ShapeTypeHandler::CreateAccessibleObject
        to let a factory create the new instance with the parameters given, and then
        place the new shape into the own structures.</p>

        @param pCurrentChild
            This child is about to be replaced.

        @param _rxShape
            The UNO shape which the old and new child represent

        @param _nIndex
            The IndexInParent of the old child. Note that the index in
            parent of the replacement is not necessarily the same as
            that of the current child.

        @param _rShapeTreeInfo
            The TreeInfo for the old child.

        @return
           If the replacement has taken place successfully <TRUE/> is
           returned.  If the replacement can not be carried out or an error
           occurs that does not result in an exception then <FALSE/> is
           returned.

        @raises RuntimeException
           in case something went heavily wrong
    */
    virtual sal_Bool ReplaceChild (
        AccessibleShape* pCurrentChild,
        const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape >& _rxShape,
        const long _nIndex,
        const AccessibleShapeTreeInfo& _rShapeTreeInfo
    )   throw (::com::sun::star::uno::RuntimeException) = 0;
};

} // end of namespace accessibility

#endif

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