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/*
SPDX-FileCopyrightText: 2011 Aaron Seigo <aseigo@kde.org>
SPDX-License-Identifier: BSD-2-Clause
*/
#include "httpContainer.h"
#include <kio/job.h>
HttpContainer::HttpContainer(const QUrl &url, QObject *parent)
: Plasma::DataContainer(parent)
, m_url(url)
{
// Since we are grabbing data over the network, we request a
// backing store. This way, if the network is down or on first start
// before we get our first reply back, if this source was previously
// available, we'll still have our data. This is a very nice "freebie"
// DataContainer gives us.
setStorageEnabled(true);
// Now, start an initial fetch.
fetchUrl(false);
}
void HttpContainer::fetchUrl(bool reload)
{
// Now we go about the business of fetching the URL with KIO
m_data.clear();
KIO::TransferJob *job = KIO::get(m_url, reload ? KIO::Reload : KIO::NoReload, KIO::HideProgressInfo);
connect(job, SIGNAL(data(KIO::Job *, QByteArray)), this, SLOT(data(KIO::Job *, QByteArray)));
connect(job, SIGNAL(finished(KJob *)), this, SLOT(fetchFinished(KJob *)));
if (m_job) {
m_job.data()->kill();
}
m_job = job;
}
void HttpContainer::data(KIO::Job *job, const QByteArray &data)
{
if (job == m_job.data()) {
// we store the data as it arrives
m_data.append(data);
}
}
void HttpContainer::fetchFinished(KJob *job)
{
if (!job->error()) {
// We now set the data on the source with the retrieved data and some
// additional stats. Note that we don't include the source name, as that
// is implied as this object *is* the DataContainer. setData is called
// with just key/value pairs.
setData(QStringLiteral("Contents"), m_data);
setData(QStringLiteral("Size"), job->processedAmount(KJob::Bytes));
// Since we only create TransferJobs, it's safe to just static_cast here.
// In many real-world situations, this isn't the safest thing to do and a
// qobject_cast with a test on the result is often safer and cleaner.
KIO::TransferJob *tjob = static_cast<KIO::TransferJob *>(job);
setData(QStringLiteral("Error Page"), tjob->isErrorPage());
setData(QStringLiteral("Mimetype"), tjob->mimetype());
// Let DataContainer know we have data that needs storing
setNeedsToBeStored(true);
// Notify DataContainer that now is a good time to check to see that
// data has been updated. This will cause visualizations to be updated.
checkForUpdate();
// Clean up behind ourselves so there isn't unnecessary memory usage
m_data.clear();
}
}
#include "moc_httpContainer.cpp"
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