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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_ACCESSIBILITY_INC_ACCESSIBILITY_EXTENDED_LISTBOXACCESSIBLE_HXX
      21             : #define INCLUDED_ACCESSIBILITY_INC_ACCESSIBILITY_EXTENDED_LISTBOXACCESSIBLE_HXX
      22             : 
      23             : #include <com/sun/star/uno/RuntimeException.hpp>
      24             : #include <tools/link.hxx>
      25             : #include <vcl/vclptr.hxx>
      26             : 
      27             : class SvTreeListBox;
      28             : class VclSimpleEvent;
      29             : class VclWindowEvent;
      30             : 
      31             : namespace accessibility
      32             : {
      33             : 
      34             :     /** helper class which couples its life time to the life time of an
      35             :         SvTreeListBox
      36             :     */
      37             :     class ListBoxAccessibleBase
      38             :     {
      39             :     private:
      40             :         VclPtr<SvTreeListBox> m_pWindow;
      41             : 
      42             :     protected:
      43         576 :         inline SvTreeListBox*       getListBox() const
      44             :         {
      45         576 :             return  const_cast< ListBoxAccessibleBase* >( this )->m_pWindow;
      46             :         }
      47             : 
      48         432 :         inline  bool                    isAlive() const     { return nullptr != m_pWindow; }
      49             : 
      50             :     public:
      51             :         ListBoxAccessibleBase( SvTreeListBox& _rWindow );
      52             : 
      53             :     protected:
      54             :         virtual ~ListBoxAccessibleBase( );
      55             : 
      56             :         // own overridables
      57             :         /// will be called for any VclWindowEvent events broadcasted by our VCL window
      58             :         void ProcessWindowEvent( const VclWindowEvent& _rVclWindowEvent );
      59             : 
      60             :         /** will be called when our window broadcasts the VCLEVENT_OBJECT_DYING event
      61             : 
      62             :             <p>Usually, you derive your class from both ListBoxAccessibleBase and XComponent,
      63             :             and call XComponent::dispose here.</p>
      64             :         */
      65             :         virtual void SAL_CALL dispose() throw ( ::com::sun::star::uno::RuntimeException, std::exception ) = 0;
      66             : 
      67             :         /// to be called in the dispose method of your derived class
      68             :         void disposing();
      69             : 
      70             :     private:
      71             :         DECL_LINK( WindowEventListener, VclSimpleEvent* );
      72             : 
      73             :     private:
      74             :         ListBoxAccessibleBase( const ListBoxAccessibleBase& ) SAL_DELETED_FUNCTION;
      75             :         ListBoxAccessibleBase& operator=( const ListBoxAccessibleBase& ) SAL_DELETED_FUNCTION;
      76             :     };
      77             : 
      78             : 
      79             : }   // namespace accessibility
      80             : 
      81             : 
      82             : #endif // INCLUDED_ACCESSIBILITY_INC_ACCESSIBILITY_EXTENDED_LISTBOXACCESSIBLE_HXX
      83             : 
      84             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */