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Viewing changes to kdetv/libkdetv/filtermanager.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Riddell
  • Date: 2005-09-17 23:25:16 UTC
  • Revision ID: james.westby@ubuntu.com-20050917232516-9wdsn3ckagbqieh8
Tags: upstream-0.8.8
Import upstream version 0.8.8

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kdetv/libkdetv/filtermanager.cpp
 
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/***************************************************************************
 
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                           filtermanager.cpp
 
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                           -----------------
 
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    begin                : Sun Jun 13 2004
 
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    copyright            : (C) 2004 by Dirk Ziegelmeier
 
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    email                : dziegel@gmx.de
 
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 ***************************************************************************/
 
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/*
 
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 * This library is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU Library General Public
 
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 * License as published by the Free Software Foundation; either
 
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 * version 2 of the License, or (at your option) any later version.
 
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 *
 
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 * This library is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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 * Library General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Library General Public License
 
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 * along with this library; see the file COPYING.LIB.  If not, write to
 
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 * the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
 
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 * Boston, MA 02110-1301, USA.
 
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 */
 
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#include <kdebug.h>
 
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#include "filtermanager.h"
 
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#include "kdetvfilterplugin.h"
 
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#include "pluginfactory.h"
 
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#include "kdetvvideo/kdetvimagefilter.h"
 
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FilterManager::FilterManager(PluginFactory* pf)
 
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    : QObject(),
 
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      _pf(pf)
 
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{
 
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    _chain = new KdetvImageFilterChain();
 
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    _plugs.setAutoDelete(false);
 
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    scanPlugins();
 
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}
 
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FilterManager::~FilterManager()
 
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{
 
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    clear();
 
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    delete _chain;
 
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}
 
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void FilterManager::clear()
 
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{
 
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    _chain->clear();
 
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    while (KdetvFilterPlugin *p = _plugs.first()) {
 
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        p->destroy();
 
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        _plugs.remove(p);
 
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    }
 
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}
 
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void FilterManager::scanPlugins()
 
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{
 
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    clear();
 
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        QPtrList<PluginDesc>& filterPlugins(_pf->filterPlugins());
 
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        for (PluginDesc* plug = filterPlugins.first();
 
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                        plug;
 
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                        plug = filterPlugins.next()) {
 
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                if (plug->enabled) {
 
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            KdetvFilterPlugin* p = _pf->getFilterPlugin(plug);
 
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            _plugs.append(p);
 
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            _chain->append(p->getFilter());
 
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            break; // There must be only one enabled filter plugin
 
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                }
 
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        }
 
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        QPtrList<PluginDesc>& postProcessPlugins(_pf->postProcessPlugins());
 
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        for (PluginDesc* plug = postProcessPlugins.first();
 
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                        plug;
 
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                        plug = postProcessPlugins.next()) {
 
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                if (plug->enabled) {
 
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            KdetvFilterPlugin* p = _pf->getPostProcessPlugin(plug);
 
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            _plugs.append(p);
 
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            _chain->append(p->getFilter());
 
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                }
 
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        }
 
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}
 
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#include "filtermanager.moc"
 
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// vim: sw=4 ts=4 noet