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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is
* [ Maja Djordjevic < ovcica@gmail.com > ]
* Portions created by the Initial Developer are Copyright (C) 2010 the
* Initial Developer. All Rights Reserved.
*
* Contributor(s): Cédric Bosdonnat <cbosdonnat@novell.com>
* Caolan McNamara <caolanm@redhat.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#ifndef SW_NAVMGR_HXX
#define SW_NAVMGR_HXX
#include <vector>
#include <boost/shared_ptr.hpp>
#include "swtypes.hxx"
class SwWrtShell;
struct SwPosition;
class SwUnoCrsr;
class SwNavigationMgr
{
private:
/*
* List of entries in the navigation history
* Entries are SwUnoCrsr because thos gets corrected automatically
* when nodes are deleted.
*
* The navigation history behaves as a stack, to which items are added when we jump to a new position
* (e.g. click a link, or double click an entry from the navigator).
* Every use of the back/forward buttons results in moving the stack pointer within the navigation history
*/
typedef ::std::vector< ::boost::shared_ptr<SwUnoCrsr> > Stack_t;
Stack_t m_entries;
Stack_t::size_type m_nCurrent; /* Current position within the navigation history */
SwWrtShell & m_rMyShell; /* The active shell within which the navigation occurs */
void GotoSwPosition(const SwPosition &rPos);
public:
/* Constructor that initializes the shell to the current shell */
SwNavigationMgr( SwWrtShell & rShell );
/* Can we go back in the history ? */
sal_Bool backEnabled() ;
/* Can we go forward in the history ? */
sal_Bool forwardEnabled();
/* The method that is called when we click the back button */
void goBack() ;
/* The method that is called when we click the forward button */
void goForward() ;
/* The method that adds the position pPos to the navigation history */
bool addEntry(const SwPosition& rPos);
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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