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KDEUI

kuiserverjobtracker.cpp

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00001 /*  This file is part of the KDE project
00002     Copyright (C) 2008 Rafael Fernández López <ereslibre@kde.org>
00003     Copyright (C) 2007 Kevin Ottens <ervin@kde.org>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License version 2 as published by the Free Software Foundation.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 
00019 */
00020 
00021 #include "kuiserverjobtracker.h"
00022 #include "kuiserverjobtracker_p.h"
00023 
00024 #include "jobviewiface.h"
00025 
00026 #include <klocale.h>
00027 #include <kdebug.h>
00028 #include <ktoolinvocation.h>
00029 #include <kcomponentdata.h>
00030 #include <kaboutdata.h>
00031 #include <kjob.h>
00032 
00033 K_GLOBAL_STATIC(KSharedUiServerProxy, serverProxy)
00034 
00035 class KUiServerJobTracker::Private
00036 {
00037 public:
00038     Private(KUiServerJobTracker *parent)
00039         : q(parent)
00040     {
00041     }
00042 
00043     KUiServerJobTracker *const q;
00044 
00045     void _k_killJob();
00046 
00047     QHash<KJob*, org::kde::JobView*> progressJobView;
00048 };
00049 
00050 void KUiServerJobTracker::Private::_k_killJob()
00051 {
00052     org::kde::JobView *jobView = qobject_cast<org::kde::JobView*>(q->sender());
00053 
00054     if (jobView) {
00055         KJob *job = progressJobView.key(jobView);
00056 
00057         if (job)
00058             job->kill(KJob::EmitResult);
00059     }
00060 }
00061 
00062 KUiServerJobTracker::KUiServerJobTracker(QObject *parent)
00063     : KJobTrackerInterface(parent), d(new Private(this))
00064 {
00065 
00066 }
00067 
00068 KUiServerJobTracker::~KUiServerJobTracker()
00069 {
00070     if (!d->progressJobView.isEmpty()) {
00071         qWarning() << "A KUiServerJobTracker instance contains"
00072                    << d->progressJobView.size() << "stalled jobs";
00073     }
00074 
00075     delete d;
00076 }
00077 
00078 void KUiServerJobTracker::registerJob(KJob *job)
00079 {
00080     // Already registered job?
00081     if (d->progressJobView.contains(job)) {
00082         return;
00083     }
00084 
00085     KComponentData componentData = KGlobal::mainComponent();
00086 
00087     QString programIconName = componentData.aboutData()->programIconName();
00088 
00089     if (programIconName.isEmpty()) {
00090         programIconName = componentData.aboutData()->appName();
00091     }
00092 
00093     QDBusReply<QDBusObjectPath> reply = serverProxy->uiserver().requestView(componentData.aboutData()->programName(),
00094                                                                             programIconName,
00095                                                                             job->capabilities());
00096 
00097     // If we got a valid reply, register the interface for later usage.
00098     if (reply.isValid()) {
00099         org::kde::JobView *jobView = new org::kde::JobView("org.kde.JobViewServer",
00100                                                            reply.value().path(),
00101                                                            QDBusConnection::sessionBus());
00102 
00103         QObject::connect(jobView, SIGNAL(cancelRequested()), this,
00104                          SLOT(_k_killJob()));
00105         QObject::connect(jobView, SIGNAL(suspendRequested()), job,
00106                          SLOT(suspend()));
00107         QObject::connect(jobView, SIGNAL(resumeRequested()), job,
00108                          SLOT(resume()));
00109 
00110         d->progressJobView.insert(job, jobView);
00111     }
00112 
00113     KJobTrackerInterface::registerJob(job);
00114 }
00115 
00116 void KUiServerJobTracker::unregisterJob(KJob *job)
00117 {
00118     KJobTrackerInterface::unregisterJob(job);
00119 
00120     if (!d->progressJobView.contains(job)) {
00121         return;
00122     }
00123 
00124     org::kde::JobView *jobView = d->progressJobView.take(job);
00125 
00126     if (job->error()) {
00127         jobView->terminate(job->errorText());
00128     } else {
00129         jobView->terminate(QString());
00130     }
00131 
00132     delete jobView;
00133 }
00134 
00135 void KUiServerJobTracker::finished(KJob *job)
00136 {
00137     if (!d->progressJobView.contains(job)) {
00138         return;
00139     }
00140 
00141     org::kde::JobView *jobView = d->progressJobView.take(job);
00142 
00143     if (job->error()) {
00144         jobView->terminate(job->errorText());
00145     } else {
00146         jobView->terminate(QString());
00147     }
00148 }
00149 
00150 void KUiServerJobTracker::suspended(KJob *job)
00151 {
00152     if (!d->progressJobView.contains(job)) {
00153         return;
00154     }
00155 
00156     org::kde::JobView *jobView = d->progressJobView[job];
00157 
00158     jobView->setSuspended(true);
00159 }
00160 
00161 void KUiServerJobTracker::resumed(KJob *job)
00162 {
00163     if (!d->progressJobView.contains(job)) {
00164         return;
00165     }
00166 
00167     org::kde::JobView *jobView = d->progressJobView[job];
00168 
00169     jobView->setSuspended(false);
00170 }
00171 
00172 void KUiServerJobTracker::description(KJob *job, const QString &title,
00173                                       const QPair<QString, QString> &field1,
00174                                       const QPair<QString, QString> &field2)
00175 {
00176     if (!d->progressJobView.contains(job)) {
00177         return;
00178     }
00179 
00180     org::kde::JobView *jobView = d->progressJobView[job];
00181 
00182     jobView->setInfoMessage(title);
00183 
00184     if (field1.first.isNull() || field1.second.isNull()) {
00185         jobView->clearDescriptionField(0);
00186     } else {
00187         jobView->setDescriptionField(0, field1.first, field1.second);
00188     }
00189 
00190     if (field2.first.isNull() || field2.second.isNull()) {
00191         jobView->clearDescriptionField(1);
00192     } else {
00193         jobView->setDescriptionField(1, field2.first, field2.second);
00194     }
00195 }
00196 
00197 void KUiServerJobTracker::infoMessage(KJob *job, const QString &plain, const QString &rich)
00198 {
00199     Q_UNUSED(rich)
00200 
00201     if (!d->progressJobView.contains(job)) {
00202         return;
00203     }
00204 
00205     org::kde::JobView *jobView = d->progressJobView[job];
00206 
00207     jobView->setInfoMessage(plain);
00208 }
00209 
00210 void KUiServerJobTracker::totalAmount(KJob *job, KJob::Unit unit, qulonglong amount)
00211 {
00212     if (!d->progressJobView.contains(job)) {
00213         return;
00214     }
00215 
00216     org::kde::JobView *jobView = d->progressJobView[job];
00217 
00218     switch (unit) {
00219     case KJob::Bytes:
00220         jobView->setTotalAmount(amount, "bytes");
00221         break;
00222     case KJob::Files:
00223         jobView->setTotalAmount(amount, "files");
00224         break;
00225     case KJob::Directories:
00226         jobView->setTotalAmount(amount, "dirs");
00227         break;
00228     default:
00229         break;
00230     }
00231 }
00232 
00233 void KUiServerJobTracker::processedAmount(KJob *job, KJob::Unit unit, qulonglong amount)
00234 {
00235     if (!d->progressJobView.contains(job)) {
00236         return;
00237     }
00238 
00239     org::kde::JobView *jobView = d->progressJobView[job];
00240 
00241     switch (unit) {
00242     case KJob::Bytes:
00243         jobView->setProcessedAmount(amount, "bytes");
00244         break;
00245     case KJob::Files:
00246         jobView->setProcessedAmount(amount, "files");
00247         break;
00248     case KJob::Directories:
00249         jobView->setProcessedAmount(amount, "dirs");
00250         break;
00251     default:
00252         break;
00253     }
00254 }
00255 
00256 void KUiServerJobTracker::percent(KJob *job, unsigned long percent)
00257 {
00258     if (!d->progressJobView.contains(job)) {
00259         return;
00260     }
00261 
00262     org::kde::JobView *jobView = d->progressJobView[job];
00263 
00264     jobView->setPercent(percent);
00265 }
00266 
00267 void KUiServerJobTracker::speed(KJob *job, unsigned long value)
00268 {
00269     if (!d->progressJobView.contains(job)) {
00270         return;
00271     }
00272 
00273     org::kde::JobView *jobView = d->progressJobView[job];
00274 
00275     jobView->setSpeed(value);
00276 }
00277 
00278 KSharedUiServerProxy::KSharedUiServerProxy()
00279     : m_uiserver("org.kde.JobViewServer", "/JobViewServer", QDBusConnection::sessionBus())
00280 {
00281     if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.JobViewServer"))
00282     {
00283         QString error;
00284         int ret = KToolInvocation::startServiceByDesktopPath("kuiserver.desktop",
00285                                                              QStringList(), &error);
00286         if (ret > 0)
00287         {
00288             kError() << "Couldn't start kuiserver from kuiserver.desktop: " << error << endl;
00289         }
00290     }
00291 
00292     if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.JobViewServer"))
00293         kDebug() << "The application kuiserver is STILL NOT REGISTERED";
00294     else
00295         kDebug() << "kuiserver registered";
00296 }
00297 
00298 KSharedUiServerProxy::~KSharedUiServerProxy()
00299 {
00300 }
00301 
00302 org::kde::JobViewServer &KSharedUiServerProxy::uiserver()
00303 {
00304     return m_uiserver;
00305 }
00306 
00307 #include "kuiserverjobtracker.moc"
00308 #include "kuiserverjobtracker_p.moc"

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