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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _DOCUMENTFOCUSLISTENER_HXX_
#define _DOCUMENTFOCUSLISTENER_HXX_

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

#include <cppuhelper/implbase1.hxx>

#include "aqua/aqua11yfocustracker.hxx"

#include <set>

// -------------------------
// - DocumentFocusListener -
// -------------------------

class DocumentFocusListener :  
    public ::cppu::WeakImplHelper1< ::com::sun::star::accessibility::XAccessibleEventListener >
{

public:

    DocumentFocusListener(AquaA11yFocusTracker& rTracker);

    void attachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    void attachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& xContext
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    void attachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& xContext,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet >& xStateSet
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    void detachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    void detachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& xContext
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    void detachRecursive(
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& xAccessible,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& xContext,
        const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet >& xStateSet
    ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    static ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > getAccessible(const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

    // XEventListener
    virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) 
		throw (::com::sun::star::uno::RuntimeException);

    // XAccessibleEventListener
    virtual void SAL_CALL notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent ) 
		throw( ::com::sun::star::uno::RuntimeException );

private:
    std::set< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > m_aRefList;
    
    AquaA11yFocusTracker& m_aFocusTracker;
};

#endif // _DOCUMENTFOCUSLISTENER_HXX_