vcl/unx/gtk/a11y/atklistener.hxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: atklistener.hxx,v $
  10  * $Revision: 1.4 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 #ifndef _ATK_LISTENER_HXX_
  32 #define _ATK_LISTENER_HXX_
  33
  34 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
  35 #include <cppuhelper/implbase1.hxx>
  36
  37 #include <vector>
  38
  39 #include "atkwrapper.hxx"
  40
  41 typedef std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > > AccessibleVector;
  42
  43 class AtkListener : public ::cppu::WeakImplHelper1< ::com::sun::star::accessibility::XAccessibleEventListener >
  44 {
  45 public:
  46     AtkListener(AtkObjectWrapper * pWrapper);
  47
  48     // XEventListener
  49     virtual void disposing( const ::com::sun::star::lang::EventObject& Source )
  50         throw (::com::sun::star::uno::RuntimeException);
  51
  52     // XAccessibleEventListener
  53     virtual void notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent )
  54         throw( ::com::sun::star::uno::RuntimeException );
  55
  56     AtkObjectWrapper *mpWrapper;
  57     AccessibleVector m_aChildList;
  58
  59 private:
  60
  61     virtual ~AtkListener();
  62
  63     // Updates the child list held to provide the old IndexInParent on children_changed::remove
  64     void updateChildList(::com::sun::star::accessibility::XAccessibleContext* pContext);
  65
  66     // Process CHILD_EVENT notifications with a new child added
  67     void handleChildAdded(
  68         const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& rxParent,
  69         const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxChild);
  70
  71     // Process CHILD_EVENT notifications with a child removed
  72     void handleChildRemoved(
  73         const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& rxParent,
  74         const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxChild);
  75
  76     // Process INVALIDATE_ALL_CHILDREN notification
  77     void handleInvalidateChildren(
  78         const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >& rxParent);
  79 };
  80
  81 #endif /* _ATK_LISTENER_HXX_ */
  82