lumiera_/src/proc/mobject/session/session-impl.hpp

120 lines
3.2 KiB
C++

/*
SESSION-IMPL.hpp - holds the complete session data to be edited by the user
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file session-impl.hpp
** Session and SessionManager Implemention classes.
** Session and the corresponding Manager are primary Interfaces
** to control the behaviour of the editing part of the application.
** All all implementaion complexities are hidden behind a "PImpl".
**
** This file contains the implementation classes, it should never
** be included by client code.
**
*/
#ifndef MOBJECT_SESSION_SESSIONIMPL_H
#define MOBJECT_SESSION_SESSIONIMPL_H
#include "proc/mobject/session.hpp"
#include "proc/mobject/session/edl.hpp"
#include "proc/mobject/session/fixture.hpp"
#include "proc/mobject/placement-index.hpp"
#include <boost/scoped_ptr.hpp>
#include <vector>
namespace mobject {
namespace session {
using std::vector;
using boost::scoped_ptr;
using std::tr1::shared_ptr;
/**
* Implementation class for the Session interface
*/
class SessionImpl : public mobject::Session
{
uint focusEDL_;
vector<EDL> edls;
PFix fixture;
shared_ptr<PlacementIndex> pIdx_;
/* ==== Session API ==== */
virtual bool isValid ();
virtual void add (PMO& placement);
virtual bool remove (PMO& placement);
virtual EDL& currEDL ();
virtual PFix& getFixture ();
virtual void rebuildFixture ();
protected: /* == management API === */
SessionImpl (DefsManager&) throw();
friend class SessManagerImpl;
void clear ();
};
/**
* Session manager implementation class holding the
* actual smart pointer to the current Session impl.
*/
class SessManagerImpl : public SessManager
{
scoped_ptr<DefsManager> pDefs_;
scoped_ptr<SessionImpl> pImpl_;
SessManagerImpl() throw();
friend class lib::singleton::StaticCreate<SessManagerImpl>;
virtual ~SessManagerImpl() {}
/* ==== SessManager API ==== */
virtual void clear () ;
virtual void reset () ;
virtual void load () ;
virtual void save () ;
virtual SessionImpl* operator-> () throw() ;
public:
/* ==== proc layer internal API ==== */
/** @internal access point for PlacementIndex and PlacementRef */
static shared_ptr<PlacementIndex>& getCurrentIndex () ;
};
}} // namespace mobject::session
#endif