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/* rcacheactor.h
*
* Copyright (c) 2003 Michael Vogt <mvo@debian.org>
*
* Author: Michael Vogt <mvo@debian.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef RPACKAGELISTACTOR_H
#define RPACKAGELISTACTOR_H
#include "rpackagelister.h"
#include <iostream>
class RPackageListActor : public RPackageObserver {
public:
enum listEvent {
PKG_ADDED,
PKG_REMOVED
};
protected:
RPackageLister *_lister;
vector<RPackage *> _lastDisplayList;
public:
virtual void run(vector<RPackage *> &List, int listEvent) = 0;
virtual void notifyPreFilteredChange() {
updateState();
}
virtual void notifyPostFilteredChange();
virtual void notifyChange(RPackage *pkg) {}
virtual void updateState() {
_lastDisplayList = _lister->getPackages();
}
RPackageListActor(RPackageLister *lister)
: _lister(lister) {
_lister->registerObserver(this);
}
virtual ~RPackageListActor() {
_lister->unregisterObserver(this);
}
};
#endif
// vim:sts=3:sw=3
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