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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_SW_SOURCE_UIBASE_INC_NAVMGR_HXX
#define INCLUDED_SW_SOURCE_UIBASE_INC_NAVMGR_HXX
#include <vector>
#include <memory>
#include <swtypes.hxx>
#include <calbck.hxx>
#include <unocrsr.hxx>
#include <vcl/svapp.hxx>
class SwWrtShell;
struct SwPosition;
class SwUnoCursor;
class SwNavigationMgr final : public SfxListener
{
private:
/*
* List of entries in the navigation history
* Entries are SwUnoCursor because these 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< sw::UnoCursorPointer > 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 );
~SwNavigationMgr() override;
/* Can we go back in the history ? */
bool backEnabled() ;
/* Can we go forward in the history ? */
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);
/* to get notified if our cursors self-destruct */
virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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