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Viewing changes to plasma/generic/dataengines/places/placesengine.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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plasma/generic/dataengines/places/placesengine.cpp
 
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/*
 
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 *   Copyright (C) 2008 Alex Merry <alex.merry@kdemail.net>
 
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 *
 
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 *   This program is free software; you can redistribute it and/or modify
 
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 *   it under the terms of the GNU Library General Public License version 2 as
 
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 *   published by the Free Software Foundation
 
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 *
 
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 *   This program 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
 
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 *   GNU 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
 
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 *   License along with this program; if not, write to the
 
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 *   Free Software Foundation, Inc.,
 
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 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
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 */
 
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#include "placesengine.h"
 
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#include <QtCore/QString>
 
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#include <KDebug>
 
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#include <KDiskFreeSpaceInfo>
 
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#include "placeservice.h"
 
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PlacesEngine::PlacesEngine(QObject *parent, const QVariantList &args)
 
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    : Plasma::DataEngine(parent, args)
 
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{
 
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    connect(&m_placesModel, SIGNAL(modelReset()),
 
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            this, SLOT(modelReset()));
 
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    connect(&m_placesModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
 
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            this, SLOT(dataChanged(QModelIndex,QModelIndex)));
 
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    connect(&m_placesModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
 
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            this, SLOT(placesAdded(QModelIndex,int,int)));
 
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    connect(&m_placesModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),
 
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            this, SLOT(placesRemoved(QModelIndex,int,int)));
 
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    sendAllData();
 
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}
 
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PlacesEngine::~PlacesEngine()
 
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{
 
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}
 
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void PlacesEngine::modelReset()
 
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{
 
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    removeAllSources();
 
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}
 
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void PlacesEngine::placesAdded(const QModelIndex&, int start, int end)
 
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{
 
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    sendData(start, end);
 
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}
 
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void PlacesEngine::placesRemoved(const QModelIndex&, int start, int end)
 
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{
 
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    kDebug() << "Places" << start << "through" << end << "removed";
 
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    for (int index = start; index <= end; index++) {
 
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        removeSource(QString::number(index));
 
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    }
 
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}
 
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void PlacesEngine::dataChanged(const QModelIndex& topLeft,
 
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                               const QModelIndex& bottomRight)
 
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{
 
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    sendData(topLeft.row(), bottomRight.row());
 
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}
 
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void PlacesEngine::sendAllData()
 
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{
 
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    sendData(0, m_placesModel.rowCount() - 1);
 
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}
 
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Plasma::Service *PlacesEngine::serviceForSource(const QString &source)
 
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{
 
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    const int row = source.toInt();
 
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    const QModelIndex index = m_placesModel.index(row, 0);
 
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    if (index.isValid()) {
 
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        return new PlaceService(this, &m_placesModel, index);
 
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    }
 
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    return DataEngine::serviceForSource(source);
 
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}
 
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void PlacesEngine::sendData(int start, int end)
 
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{
 
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    for (int row = start; row <= end; ++row) {
 
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        const QModelIndex index = m_placesModel.index(row, 0);
 
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        Data map;
 
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        const QString source = QString::number(row);
 
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        setData(source, "name", m_placesModel.text(index));
 
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        setData(source, "url", m_placesModel.url(index).url());
 
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        setData(source, "icon", m_placesModel.icon(index));
 
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        setData(source, "hidden",
 
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                m_placesModel.data(index, KFilePlacesModel::HiddenRole));
 
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        setData(source, "setupNeeded",
 
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                m_placesModel.data(index, KFilePlacesModel::SetupNeededRole));
 
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        setData(source, "isDevice",
 
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                m_placesModel.deviceForIndex(index).isValid());
 
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        const QString path = m_placesModel.url(index).path();
 
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        if (!path.isEmpty()) {
 
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            // We can't get free space for unmounted volumes :-(
 
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            KDiskFreeSpaceInfo info = KDiskFreeSpaceInfo::freeSpaceInfo(path);
 
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            setData(source, "kBSize", info.size()/1024); // deprecated
 
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            setData(source, "kBUsed", info.used()/1024); // deprecated
 
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            setData(source, "kBAvailable", info.available()/1024); // deprecated
 
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            setData(source, "size (bytes)", info.size());
 
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            setData(source, "used (bytes)", info.used());
 
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            setData(source, "available (bytes)", info.available());
 
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        }
 
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    }
 
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}
 
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K_EXPORT_PLASMA_DATAENGINE(places, PlacesEngine)
 
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#include "placesengine.moc"
 
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