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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             : #ifndef INCLUDED_SW_SOURCE_UI_INC_NAVMGR_HXX
      10             : #define INCLUDED_SW_SOURCE_UI_INC_NAVMGR_HXX
      11             : 
      12             : #include <vector>
      13             : 
      14             : #include <boost/shared_ptr.hpp>
      15             : 
      16             : #include "swtypes.hxx"
      17             : 
      18             : class   SwWrtShell;
      19             : struct  SwPosition;
      20             : class SwUnoCrsr;
      21             : 
      22           0 : class SwNavigationMgr
      23             : {
      24             : private:
      25             :     /*
      26             :      * List of entries in the navigation history
      27             :      * Entries are SwUnoCrsr because thos gets corrected automatically
      28             :      * when nodes are deleted.
      29             :      *
      30             :      * The navigation history behaves as a stack, to which items are added when we jump to a new position
      31             :      * (e.g. click a link, or double click an entry from the navigator).
      32             :      * Every use of the back/forward buttons results in moving the stack pointer within the navigation history
      33             :      */
      34             :     typedef ::std::vector< ::boost::shared_ptr<SwUnoCrsr> > Stack_t;
      35             :     Stack_t m_entries;
      36             :     Stack_t::size_type m_nCurrent; /* Current position within the navigation history */
      37             :     SwWrtShell & m_rMyShell; /* The active shell within which the navigation occurs */
      38             : 
      39             :     void GotoSwPosition(const SwPosition &rPos);
      40             : 
      41             : public:
      42             :     /* Constructor that initializes the shell to the current shell */
      43             :     SwNavigationMgr( SwWrtShell & rShell );
      44             :     /* Can we go back in the history ? */
      45             :     bool backEnabled() ;
      46             :     /* Can we go forward in the history ? */
      47             :     bool forwardEnabled();
      48             :     /* The method that is called when we click the back button */
      49             :     void goBack() ;
      50             :     /* The method that is called when we click the forward button */
      51             :     void goForward() ;
      52             :     /* The method that adds the position pPos to the navigation history */
      53             :     bool addEntry(const SwPosition& rPos);
      54             : };
      55             : #endif
      56             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */