80 lines
2 KiB
C++
80 lines
2 KiB
C++
/*
|
|
ABSTRACTMO.hpp - abstract base class for all Media Objects
|
|
|
|
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.
|
|
|
|
*/
|
|
|
|
|
|
#ifndef MOBJECT_SESSION_ABSTRACTMO_H
|
|
#define MOBJECT_SESSION_ABSTRACTMO_H
|
|
|
|
#include "proc/mobject/mobject.hpp"
|
|
#include "lib/symbol.hpp"
|
|
|
|
|
|
|
|
namespace mobject {
|
|
namespace session {
|
|
|
|
|
|
/**
|
|
* abstract base class of all MObjects for providing common services.
|
|
* @todo seems that we don't need this intermediate class...
|
|
*/
|
|
class AbstractMO
|
|
: public MObject
|
|
{
|
|
|
|
|
|
/* === some default implementations === */
|
|
|
|
DEFINE_PROCESSABLE_BY (builder::BuilderTool);
|
|
|
|
string
|
|
initShortID() const
|
|
{
|
|
return buildShortID("MObject");
|
|
}
|
|
|
|
public:
|
|
|
|
Time&
|
|
getLength()
|
|
{
|
|
return length_;
|
|
}
|
|
|
|
bool operator== (const MObject& oo) const;
|
|
|
|
protected:
|
|
void
|
|
throwIfInvalid() const
|
|
{
|
|
if (!isValid())
|
|
throw lumiera::error::Fatal ("Invalid MObject in model. Indicates a race "
|
|
"or similarly broken internal assumptions.");
|
|
}
|
|
|
|
string buildShortID (lib::Literal typeID, string suffix ="") const;
|
|
};
|
|
|
|
|
|
|
|
}} // namespace mobject::session
|
|
#endif
|