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8791071a58
plasma_engine_preview is not valid at all, even so KImageCache will create it even of the engine is no more but disk cache is not the most efficient and safe thing Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/*
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* Copyright 2008 Aaron Seigo <aseigo@kde.org>
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* Copyright 2012 Sebastian Kügler <sebas@kde.org>
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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 as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) any later version.
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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 "imagesource.h"
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#include <KIcon>
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#include <QPainter>
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#include <QPainterPath>
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#include <KIO/Job>
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ImageSource::ImageSource(QObject* parent)
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: Plasma::DataContainer(parent),
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m_runningJobs(0)
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{
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setObjectName(QLatin1String("UserImages"));
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}
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ImageSource::~ImageSource()
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{
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}
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void ImageSource::loadImage(const QString &who, const KUrl &url)
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{
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if (who.isEmpty()) {
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return;
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}
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// Make sure we only start one job per user
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if (m_loadedPersons.contains(who)) {
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return;
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}
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if (!url.isValid()) {
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return;
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}
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m_loadedPersons << who;
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//FIXME: since kio_http bombs the system with too many request put a temporary
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// arbitrary limit here, revert as soon as BUG 192625 is fixed
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// Note: seems fixed.
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if (m_runningJobs < 500) {
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m_runningJobs++;
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KIO::Job *job = KIO::get(url, KIO::NoReload, KIO::HideProgressInfo);
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job->setAutoDelete(true);
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m_jobs[job] = who;
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connect(job, SIGNAL(data(KIO::Job*,QByteArray)),
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this, SLOT(recv(KIO::Job*,QByteArray)));
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connect(job, SIGNAL(result(KJob*)), this, SLOT(result(KJob*)));
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job->start();
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} else {
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m_queuedJobs.append(QPair<QString, KUrl>(who, url));
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}
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}
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void ImageSource::recv(KIO::Job* job, const QByteArray& data)
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{
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m_jobData[job] += data;
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}
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void ImageSource::result(KJob *job)
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{
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if (!m_jobs.contains(job)) {
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return;
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}
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m_runningJobs--;
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if (m_queuedJobs.count() > 0) {
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QPair<QString, KUrl> jobDesc = m_queuedJobs.takeLast();
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loadImage(jobDesc.first, jobDesc.second);
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}
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if (job->error()) {
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// TODO: error handling
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KIO::TransferJob* kiojob = dynamic_cast<KIO::TransferJob*>(job);
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kError() << "Image job returned error: " << kiojob->errorString();
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} else {
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QImage img;
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img.loadFromData(m_jobData.value(job));
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const QString who = m_jobs.value(job);
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setData(who, polishImage(img));
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emit dataChanged();
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KIO::TransferJob* kiojob = dynamic_cast<KIO::TransferJob*>(job);
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const QString cacheKey = who + "@" + kiojob->url().pathOrUrl();
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}
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m_jobs.remove(job);
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m_jobData.remove(job);
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checkForUpdate();
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}
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QImage ImageSource::polishImage(const QImage &img)
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{
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QImage roundedImage = QImage(QSize(48*4, 48*4), QImage::Format_ARGB32_Premultiplied);
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roundedImage.fill(Qt::transparent);
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QPainter p;
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p.begin(&roundedImage);
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QPainterPath clippingPath;
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QRectF imgRect = QRectF(QPoint(0,0), roundedImage.size());
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clippingPath.addRoundedRect(imgRect, 24, 24);
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p.setClipPath(clippingPath);
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p.setClipping(true);
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p.drawImage(QRectF(QPointF(0, 0), roundedImage.size()), img);
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return roundedImage;
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}
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#include "moc_imagesource.cpp"
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