102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: vieweventhandler.hxx,v $
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* $Revision: 1.4 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_SLIDESHOW_VIEWEVENTHANDLER_HXX
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#define INCLUDED_SLIDESHOW_VIEWEVENTHANDLER_HXX
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#include <boost/shared_ptr.hpp>
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#include <boost/weak_ptr.hpp>
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#include "unoview.hxx"
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/* Definition of ViewEventHandler interface */
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namespace slideshow
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{
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namespace internal
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{
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/** Interface for handling view events.
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Classes implementing this interface can be added to an
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EventMultiplexer object, and are called from there to
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handle view events.
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*/
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class ViewEventHandler
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{
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public:
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virtual ~ViewEventHandler() {}
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/** Notify new view.
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@param rView
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The newly added view
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*/
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virtual void viewAdded( const UnoViewSharedPtr& rView ) = 0;
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/** Notify removed view.
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@param rView
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The removed view
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*/
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virtual void viewRemoved( const UnoViewSharedPtr& rView ) = 0;
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/** Notify changed view.
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Reasons for a viewChanged notification can be
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different view size, transformation, or other device
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properties (color resolution or profile, etc.)
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@param rView
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The changed view
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*/
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virtual void viewChanged( const UnoViewSharedPtr& rView ) = 0;
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/** Notify that all views changed.
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Reasons for a viewChanged notification can be
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different view size, transformation, or other device
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properties (color resolution or profile, etc.)
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Note that this method avoids hidden inefficiencies
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(O(n^2) behaviour when viewChanged() needs to perform
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linear searches)
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*/
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virtual void viewsChanged() = 0;
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};
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typedef ::boost::shared_ptr< ViewEventHandler > ViewEventHandlerSharedPtr;
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typedef ::boost::weak_ptr< ViewEventHandler > ViewEventHandlerWeakPtr;
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}
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}
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#endif /* INCLUDED_SLIDESHOW_VIEWEVENTHANDLER_HXX */
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