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Plasma

favicons.cpp

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00001 /*
00002  *   Copyright (C) 2007 Marco Martin <notmart@gmail.com>
00003  *
00004  *   This program is free software; you can redistribute it and/or modify  
00005  *   it under the terms of the GNU Library General Public License as published by  
00006  *   the Free Software Foundation; either version 2 of the License, or     
00007  *   (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details
00013  *
00014  *   You should have received a copy of the GNU Library General Public
00015  *   License along with this program; if not, write to the
00016  *   Free Software Foundation, Inc.,
00017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00018  */
00019 
00020 #include "favicons.h"
00021 
00022 #include "faviconprovider.h"
00023 
00024 FaviconsEngine::FaviconsEngine(QObject* parent, const QVariantList& args)
00025     : Plasma::DataEngine(parent, args)
00026 {
00027 }
00028 
00029 FaviconsEngine::~FaviconsEngine()
00030 {
00031 }
00032 
00033 bool FaviconsEngine::updateSourceEvent( const QString &identifier )
00034 {
00035     FaviconProvider *provider = new FaviconProvider(this, identifier);
00036 
00037     connect(provider, SIGNAL(finished(FaviconProvider*)), this, SLOT(finished(FaviconProvider*)));
00038     connect(provider, SIGNAL(error(FaviconProvider*)), this, SLOT(error(FaviconProvider*)));
00039 
00040     if (provider->image() != QImage()) {
00041         setData(provider->identifier(), "Icon", provider->image());
00042     }
00043 
00044     return true;
00045 }
00046 
00047 bool FaviconsEngine::sourceRequestEvent(const QString &identifier)
00048 {
00049     setData(identifier, QPixmap());
00050     return updateSourceEvent(identifier);
00051 }
00052 
00053 void FaviconsEngine::finished(FaviconProvider *provider)
00054 {
00055     setData(provider->identifier(), "Icon", provider->image());
00056     provider->deleteLater();
00057 }
00058 
00059 void FaviconsEngine::error(FaviconProvider *provider)
00060 {
00061     setData(provider->identifier(), QImage());
00062     provider->deleteLater();
00063 }
00064 
00065 #include "favicons.moc"

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