plasma-framework/private/plasmoidservice.cpp
2011-07-15 13:03:22 +02:00

141 lines
4.8 KiB
C++

/*
* Copyright © 2009 Rob Scheepmaker <r.scheepmaker@student.utwente.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "plasmoidservice_p.h"
#include "authorizationmanager_p.h"
#include "dataengineconsumer_p.h"
#include "dataengine_p.h"
#include <plasma/applet.h>
#include <plasma/remote/authorizationmanager.h>
#include <plasma/remote/authorizationrule.h>
#include <plasma/service.h>
#include <plasma/servicejob.h>
#include <kdebug.h>
#include <ktemporaryfile.h>
#include <kzip.h>
#include <kservicetypetrader.h>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QHostInfo>
namespace Plasma
{
PlasmoidServiceJob::PlasmoidServiceJob(const QString &destination,
const QString &operation,
QHash<QString,QVariant>& parameters,
PlasmoidService *service)
: Plasma::ServiceJob(destination, operation, parameters,
static_cast<Plasma::Service*>(service)),
m_service(service)
{
}
void PlasmoidServiceJob::start()
{
if (operationName() == "GetPackage") {
kDebug() << "sending " << m_service->m_packagePath;
if (m_service->m_packagePath.isEmpty()) {
// just return the plugin name in this case
setResult(m_service->m_pluginName);
} else {
QFileInfo fileInfo(m_service->m_packagePath);
if (fileInfo.exists() && fileInfo.isAbsolute()) {
kDebug() << "file exists, let's try and read it";
QFile file(m_service->m_packagePath);
file.open(QIODevice::ReadOnly);
setResult(file.readAll());
} else {
setResult(QString());
}
}
} else if (operationName() == "GetMetaData") {
QFile file(m_service->m_metadata);
setResult(file.readAll());
} else if (operationName() == "DataEngine") {
DataEngine *engine = m_service->dataEngine(parameters()["EngineName"].toString());
QString serviceName = "plasma-dataengine-" + parameters()["EngineName"].toString();
engine->d->publish(NoAnnouncement, serviceName);
if (!AuthorizationManager::self()->d->matchingRule(serviceName, identity())) {
AuthorizationRule *rule = new AuthorizationRule(serviceName, identity().id());
rule->setPolicy(AuthorizationRule::Allow);
AuthorizationManager::self()->d->rules.append(rule);
}
setResult(serviceName);
}
setResult(false);
}
PlasmoidService::PlasmoidService(Applet *applet)
: Plasma::Service(applet),
m_pluginName(applet->pluginName())
{
setName("plasmoidservice");
if (applet->package().isValid()) {
const QString root = applet->package().path();
m_metadata = root + "metadata.desktop";
m_tempFile.open();
m_packagePath = m_tempFile.fileName();
m_tempFile.close();
// put everything into a zip archive
KZip creation(m_packagePath);
creation.setCompression(KZip::NoCompression);
if (creation.open(QIODevice::WriteOnly)) {
QDir dir(root);
foreach (const QString &entry, dir.entryList(QDir::Files)) {
creation.addLocalFile(root + entry, entry);
}
foreach (const QString &entry, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
creation.addLocalDirectory(root + entry, entry);
}
creation.close();
} else {
kDebug() << "could not open archive";
}
} else {
kDebug() << "applet lacks a valid package";
const QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(applet->pluginName());
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Applet", constraint);
if (!offers.isEmpty()) {
m_metadata = offers.first()->entryPath();
}
}
}
Plasma::ServiceJob* PlasmoidService::createJob(const QString& operation, QHash<QString,QVariant>& parameters)
{
return new PlasmoidServiceJob(destination(), operation, parameters, this);
}
}
#include "plasmoidservice_p.moc"