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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SD_VIEW_SHELL_MANAGER_HXX
#define SD_VIEW_SHELL_MANAGER_HXX
#include "ShellFactory.hxx"
#include <tools/link.hxx>
#include <memory>
#include <vector>
#include <boost/shared_ptr.hpp>
class FmFormShell;
class SfxShell;
class SfxUndoManager;
namespace sd {
class ViewShell;
class ViewShellBase;
/** The ViewShellManager has the responsibility to manage the view shells
and sub shells on the SFX shell stack. They form a two level hierarchy
(the underlying ViewShellBase, the only true SfxViewShell descendant,
forms a third level.) On the first level there are the view shells
(what formely was called view shell, anyway; nowadays they are derived
from SfxShell.) and shells for panes. On the second level there are sub
shells (also derived from SfxShell) that usually are tool bars.
<p>On the SFX shell stack the regular sub shells are placed above their
view shells. The FormShell is a special case. With the SetFormShell()
method it can be placed directly above or below one of the view
shells.</p>
<p>Shells managed by this class are created by factories or are given
directly to Activate... methods. For the sub shells there is one
factory for every view shell. Factories are added or removed via the
(Add|Remove)SubShellFactory() methods. The FormShell is managed with the
factory of its view shell.</p>
*/
class ViewShellManager
{
public:
typedef ::boost::shared_ptr<ShellFactory<SfxShell> > SharedShellFactory;
ViewShellManager (ViewShellBase& rBase);
/** Before the destructor is called the method Shutdown() has to have
been called.
*/
~ViewShellManager (void);
/** Tell a ViewShellManager object to prepare to be deleted, i.e. to
destroy all of its resources and to ignore all following calls.
Use this when the owner of the view shell manager is about being
destroyed but the view shell manager itself can not yet be deleted.
*/
void Shutdown (void);
/** Set the factory for sub shells of the specified view shell.
*/
void AddSubShellFactory (
ViewShell* pViewShell,
const SharedShellFactory& rpFactory);
void RemoveSubShellFactory (
ViewShell* pViewShell,
const SharedShellFactory& rpFactory);
/** Activate the given view shell.
*/
void ActivateViewShell (ViewShell* pViewShell);
/** Activate the given shell which is not a view shell. For view shells
use the ActivateViewShell() method.
*/
void ActivateShell (SfxShell* pShell);
/** Deactivate the specified shell, i.e. take it and all of its
object bars from the shell stack.
@param pShell
The shell to deactivate.
*/
void DeactivateViewShell (const ViewShell* pShell);
/** Deactivate the specified shell. The shell is not destroyed.
*/
void DeactivateShell (const SfxShell* pShell);
/** Associate the form shell with a view shell and their relative
position. This method does not change the shell stack, it just
stores the given values for the next shell stack update.
@param pParentShell
The view shell of the form shell.
@param pFormShell
The form shell.
@param bAbove
When <TRUE/> then the form shell will be placed directly above
pViewShell on the SFX shell stack. Otherwise the form shell is
placed directly below the view shell.
*/
void SetFormShell (const ViewShell* pParentShell, FmFormShell* pFormShell, bool bAbove);
/** Activate the specified shell as sub shell for the given view shell.
The sub shell factory associated with the view shell is used to
create the sub shell.
@param rParentShell
The new sub shell will be placed above this view shell.
@param nId
This id is used only with the factory registered for the parent
view shell.
*/
void ActivateSubShell (const ViewShell& rParentShell, ShellId nId);
/** Deactivate the specified sub shell.
*/
void DeactivateSubShell (const ViewShell& rParentShell, ShellId nId);
/** Move the specified sub shells to the top position among the sub
shells of the parent view shell. The rest of the SFX shell stack
does not change (but the all shells above the sub shells have to be
taken once off the stack and are then moved back on again.)
*/
void MoveSubShellToTop (const ViewShell& rParentShell, ShellId nId);
/** Send all sub shells of the specified view shell an Invalidate()
call. This does not modify the shell stack.
*/
void InvalidateAllSubShells (
ViewShell* pViewShell);
/** Move the specified view shell to the top most position on the stack
of view shells in relation to the other view shells. After this the
only shells that are higher on the stack are its object bars.
Call this method after a focus change to bring a view mode view
shell and ist associated tool bar shells to the top of the
stack.
The mbKeepMainViewShellOnTop flag is not obeyed.
@param nId
The id of the shell to move to the top.
*/
void MoveToTop (const ViewShell& rShell);
/** Return the first, i.e. top most, view shell that has been activated
under the given id.
@param nId
The id of the shell for which to return a pointer.
@return
When the specified shell is currently not active then NULL is
returned.
*/
SfxShell* GetShell (ShellId nId) const;
/** Return the top-most shell on the SFX shell stack regardless of
whether that is a view shell or a sub shell.
*/
SfxShell* GetTopShell (void) const;
/** Use this class to safely lock updates of the view shell stack.
*/
class UpdateLock
{
public:
UpdateLock (const ::boost::shared_ptr<ViewShellManager>& rpManager)
: mpManager(rpManager) {mpManager->LockUpdate();}
~UpdateLock (void) {mpManager->UnlockUpdate();};
private:
::boost::shared_ptr<ViewShellManager> mpManager;
};
friend class UpdateLock;
private:
class Implementation;
::std::auto_ptr<ViewShellManager::Implementation> mpImpl;
bool mbValid;
void LockUpdate (void);
void UnlockUpdate (void);
};
} // end of namespace sd
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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