workspace/plasma/dataengines/favicons/favicons.cpp

   1 /*
   2  *   Copyright (C) 2007 Marco Martin <notmart@gmail.com>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License as published by
   6  *   the Free Software Foundation; either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "favicons.h"
  21
  22 #include "faviconprovider.h"
  23
  24 FaviconsEngine::FaviconsEngine(QObject* parent, const QVariantList& args)
  25     : Plasma::DataEngine(parent, args)
  26 {
  27 }
  28
  29 FaviconsEngine::~FaviconsEngine()
  30 {
  31 }
  32
  33 bool FaviconsEngine::updateSourceEvent( const QString &identifier )
  34 {
  35     FaviconProvider *provider = new FaviconProvider(this, identifier);
  36
  37     connect(provider, SIGNAL(finished(FaviconProvider*)), this, SLOT(finished(FaviconProvider*)));
  38     connect(provider, SIGNAL(error(FaviconProvider*)), this, SLOT(error(FaviconProvider*)));
  39
  40     if (provider->image() != QImage()) {
  41         setData(provider->identifier(), "Icon", provider->image());
  42     }
  43
  44     return true;
  45 }
  46
  47 bool FaviconsEngine::sourceRequestEvent(const QString &identifier)
  48 {
  49     setData(identifier, QPixmap());
  50     return updateSourceEvent(identifier);
  51 }
  52
  53 void FaviconsEngine::finished(FaviconProvider *provider)
  54 {
  55     setData(provider->identifier(), "Icon", provider->image());
  56     provider->deleteLater();
  57 }
  58
  59 void FaviconsEngine::error(FaviconProvider *provider)
  60 {
  61     setData(provider->identifier(), QImage());
  62     provider->deleteLater();
  63 }
  64
  65 #include "favicons.moc"