slideshow/source/inc/viewrepainthandler.hxx

   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_SLIDESHOW_VIEWREPAINTHANDLER_HXX
  21 #define INCLUDED_SLIDESHOW_VIEWREPAINTHANDLER_HXX
  22
  23 #include <boost/shared_ptr.hpp>
  24 #include <boost/weak_ptr.hpp>
  25
  26 #include "unoview.hxx"
  27
  28
  29 /* Definition of ViewRepaintHandler interface */
  30
  31 namespace slideshow
  32 {
  33     namespace internal
  34     {
  35
  36         /** Interface for handling view repaint events.
  37
  38             Classes implementing this interface can be added to an
  39             EventMultiplexer object, and are called from there to
  40             handle view repaint events.
  41          */
  42         class ViewRepaintHandler
  43         {
  44         public:
  45             virtual ~ViewRepaintHandler() {}
  46
  47             /** Notify clobbered view.
  48
  49                 Reasons for a viewChanged notification can be
  50                 different view size, transformation, or other device
  51                 properties (color resolution or profile, etc.)
  52
  53                 @param rView
  54                 The changed view
  55              */
  56             virtual void viewClobbered( const UnoViewSharedPtr& rView ) = 0;
  57         };
  58
  59         typedef ::boost::shared_ptr< ViewRepaintHandler > ViewRepaintHandlerSharedPtr;
  60         typedef ::boost::weak_ptr< ViewRepaintHandler >   ViewRepaintHandlerWeakPtr;
  61
  62     }
  63 }
  64
  65 #endif /* INCLUDED_SLIDESHOW_VIEWREPAINTHANDLER_HXX */
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */