/*************************************************************************
 *
 *  $RCSfile: TaskPaneShellManager.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: obo $ $Date: 2005-01-28 16:25:17 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source 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.openoffice.org/license.html.
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 ************************************************************************/

#include "TaskPaneShellManager.hxx"

#include "ViewShellManager.hxx"
#include <osl/diagnose.h>
#include <algorithm>

namespace sd { namespace toolpanel {

TaskPaneShellManager::TaskPaneShellManager (
    ViewShellManager& rViewShellManager,
    const ViewShell& rViewShell)
    : maShellStack(),
      mrViewShellManager(rViewShellManager),
      mrViewShell(rViewShell)
{
}




void TaskPaneShellManager::AddSubShell (SfxShell* pShell)
{
    ViewShellManager::UpdateLock aLocker (mrViewShellManager);

    maShellStack.push_back (pShell);
}




void TaskPaneShellManager::RemoveSubShell (SfxShell* pShell)
{
    ShellStack::iterator aFoundShell (::std::find (
        maShellStack.begin(),
        maShellStack.end(),
        pShell));
    if (aFoundShell != maShellStack.end())
    {
        ViewShellManager::UpdateLock aLocker (mrViewShellManager);

        maShellStack.erase (aFoundShell);
    }
}




void TaskPaneShellManager::MoveToTop (SfxShell* pShell)
{
    ViewShellManager::UpdateLock aLocker (mrViewShellManager);

    if (maShellStack.empty() || maShellStack.front()!=pShell)
    {
        // Tell the ViewShellManager to rebuild the stack at least from the
        // current position of the shell.
        mrViewShellManager.InvalidateShellStack(pShell);

        // Move the given shell to the top of the local stack.
        RemoveSubShell (pShell);
        AddSubShell (pShell);
    }

    // Move the view shell to the top of the view shell stack.  This has to
    // be done even when the sub shell has not been moved.
    mrViewShellManager.MoveToTop (&mrViewShell);
}




void TaskPaneShellManager::GetLowerShellList (::std::vector<SfxShell*>& rShellList) const
{
    // No sub shells below the shell yet.
}




void TaskPaneShellManager::GetUpperShellList (::std::vector<SfxShell*>& rShellList) const
{
    ShellStack::const_iterator iShell;
    for (iShell=maShellStack.begin(); iShell!=maShellStack.end(); ++iShell)
        rShellList.push_back (*iShell);
}



} } // end of namespace ::sd::toolpanel