workspace/plasma/applets/systemtray/ui/jobwidget.cpp

   1 /***************************************************************************
   2  *   Copyright 2008 by Rob Scheepmaker <r.scheepmaker@student.utwente.nl>  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  18  ***************************************************************************/
  19
  20 #include "jobwidget.h"
  21 #include "../core/job.h"
  22
  23 #include <KGlobalSettings>
  24
  25 #include <QFont>
  26 #include <QAction>
  27 #include <QGraphicsGridLayout>
  28
  29 #include <plasma/widgets/meter.h>
  30 #include <Plasma/DataEngine>
  31 #include <Plasma/Service>
  32 #include <Plasma/ExtenderItem>
  33 #include <Plasma/Theme>
  34 #include <Plasma/Label>
  35 #include <Plasma/Meter>
  36
  37 JobWidget::JobWidget(SystemTray::Job *job, Plasma::ExtenderItem *parent)
  38     : QGraphicsWidget(parent),
  39     m_extenderItem(parent),
  40     m_job(job)
  41 {
  42     Q_ASSERT(m_extenderItem);
  43
  44     m_meter = new Plasma::Meter(this);
  45     m_meter->setSvg("widgets/bar_meter_horizontal");
  46     m_meter->setMeterType(Plasma::Meter::BarMeterHorizontal);
  47     m_meter->setMaximumHeight(16);
  48     m_meter->setMaximum(100);
  49     m_meter->setValue(0);
  50
  51     m_fromNameLabel = new Plasma::Label(this);
  52     m_fromLabel = new Plasma::Label(this);
  53     m_toNameLabel = new Plasma::Label(this);
  54     m_toLabel = new Plasma::Label(this);
  55     m_speedLabel = new Plasma::Label(this);
  56     m_processedLabel = new Plasma::Label(this);
  57     m_totalBytesLabel = new Plasma::Label(this);
  58
  59     m_fromNameLabel->setAlignment(Qt::AlignRight);
  60     m_fromLabel->setAlignment(Qt::AlignLeft);
  61     m_toNameLabel->setAlignment(Qt::AlignRight);
  62     m_toLabel->setAlignment(Qt::AlignLeft);
  63     m_speedLabel->setAlignment(Qt::AlignRight);
  64     m_processedLabel->setAlignment(Qt::AlignLeft);
  65     m_totalBytesLabel->setAlignment(Qt::AlignRight);
  66
  67     QGraphicsGridLayout *layout = new QGraphicsGridLayout(this);
  68     layout->addItem(m_fromNameLabel, 0, 0);
  69     layout->addItem(m_fromLabel, 0, 1, 1, 3);
  70     layout->addItem(m_toNameLabel, 1, 0);
  71     layout->addItem(m_toLabel, 1, 1, 1, 3);
  72
  73     layout->addItem(m_speedLabel, 2, 0);
  74     layout->addItem(m_processedLabel, 2, 1);
  75     layout->addItem(m_totalBytesLabel, 2, 3);
  76
  77     layout->addItem(m_meter, 3, 1, 1, 3);
  78
  79     setMinimumWidth(350);
  80
  81     if (m_job) {
  82         connect(m_job, SIGNAL(changed(SystemTray::Job*)),
  83                 this, SLOT(updateJob()));
  84         connect(m_job, SIGNAL(destroyed(SystemTray::Job*)),
  85                 this, SLOT(destroy()));
  86
  87         //the suspend action
  88         QAction *suspendAction = new QAction(m_extenderItem);
  89         suspendAction->setIcon(KIcon("media-playback-pause"));
  90         suspendAction->setEnabled(true);
  91         suspendAction->setVisible(false);
  92         suspendAction->setToolTip(i18n("Pause job"));
  93         m_extenderItem->addAction("suspend", suspendAction);
  94         connect(suspendAction, SIGNAL(triggered()), m_job,
  95                 SLOT(suspend()));
  96
  97         //the resume action
  98         QAction *resumeAction = new QAction(m_extenderItem);
  99         resumeAction->setIcon(KIcon("media-playback-start"));
 100         resumeAction->setEnabled(true);
 101         resumeAction->setVisible(false);
 102         resumeAction->setToolTip(i18n("Resume job"));
 103         m_extenderItem->addAction("resume", resumeAction);
 104         connect(resumeAction, SIGNAL(triggered()), m_job,
 105                 SLOT(resume()));
 106
 107         //the friendly stop action
 108         QAction *stopAction = new QAction(m_extenderItem);
 109         stopAction->setIcon(KIcon("media-playback-stop"));
 110         stopAction->setEnabled(true);
 111         stopAction->setVisible(true);
 112         stopAction->setToolTip(i18n("Cancel job"));
 113         m_extenderItem->addAction("stop", stopAction);
 114         connect(stopAction, SIGNAL(triggered()), m_job,
 115                 SLOT(stop()));
 116
 117         updateJob();
 118     } else {
 119         m_extenderItem->showCloseButton();
 120
 121         labelName0 = m_extenderItem->config().readEntry("labelName0", "");
 122         label0= m_extenderItem->config().readEntry("label0", "");
 123         labelName1 = m_extenderItem->config().readEntry("labelName1", "");
 124         label1 = m_extenderItem->config().readEntry("label1", "");
 125
 126         updateLabels();
 127     }
 128 }
 129
 130 JobWidget::~JobWidget()
 131 {
 132 }
 133
 134 void JobWidget::destroy()
 135 {
 136     if (!m_extenderItem->isDetached()) {
 137         //TODO: make configurable:
 138         m_extenderItem->setAutoExpireDelay(15000);
 139         updateJob();
 140         m_meter->setValue(100);
 141     }
 142 }
 143
 144 void JobWidget::updateJob()
 145 {
 146     m_meter->setValue(m_job->percentage());
 147
 148     Plasma::ExtenderItem *item = m_extenderItem;
 149
 150     if (m_job) {
 151         if (m_job->labels().count() > 0) {
 152             labelName0 = m_job->labels().value(0).first;
 153             label0 = m_job->labels().value(0).second;
 154         }
 155         if (m_job->labels().count() > 1) {
 156             labelName1 = m_job->labels().value(1).first;
 157             label1 = m_job->labels().value(1).second;
 158         }
 159         KConfigGroup cg = m_extenderItem->config();
 160         cg.writeEntry("labelName0", labelName0);
 161         cg.writeEntry("label0", label0);
 162         cg.writeEntry("labelName1", labelName1);
 163         cg.writeEntry("label1", label1);
 164     }
 165
 166     updateLabels();
 167
 168     //show the current status in the title.
 169     if (!m_job->error().isEmpty()) {
 170         item->setTitle(m_job->error());
 171     } else if (m_job->state() == SystemTray::Job::Running) {
 172         item->setTitle(m_job->message());
 173     } else if (m_job->state() == SystemTray::Job::Suspended) {
 174         item->setTitle(
 175             i18nc("%1 is the name of the job, can be things like Copying, deleting, moving",
 176                   "(paused) %1", m_job->message()));
 177     } else {
 178         item->setTitle(
 179             i18nc("%1 is the name of the job, can be things like Copying, deleting, moving",
 180                   "(finished) %1", m_job->message()));
 181         item->showCloseButton();
 182     }
 183
 184     //set the correct actions to visible.
 185     if (item->action("suspend")) {
 186         item->action("suspend")->setVisible(m_job->isSuspendable() &&
 187                                             m_job->state() == SystemTray::Job::Running);
 188     }
 189     if (item->action("resume")) {
 190         item->action("resume")->setVisible(m_job->isSuspendable() &&
 191                                            m_job->state() == SystemTray::Job::Suspended);
 192     }
 193     if (item->action("stop")) {
 194         item->action("stop")->setVisible(m_job->isKillable() &&
 195                                          m_job->state() != SystemTray::Job::Stopped);
 196     }
 197
 198     m_speedLabel->setText(m_job->speed());
 199     m_processedLabel->setText(KGlobal::locale()->formatByteSize(m_job->processedAmounts()["bytes"]));
 200     m_totalBytesLabel->setText(KGlobal::locale()->formatByteSize(m_job->totalAmounts()["bytes"]));
 201
 202     item->setIcon(m_job->applicationIconName());
 203 }
 204
 205 void JobWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
 206 {
 207     Q_UNUSED(event)
 208     updateLabels();
 209 }
 210
 211 void JobWidget::updateLabels()
 212 {
 213     Plasma::Theme *theme = Plasma::Theme::defaultTheme();
 214     QFont font = theme->font(Plasma::Theme::DefaultFont);
 215     QFontMetricsF fm(font);
 216     if (!labelName0.isEmpty()) {
 217         m_fromNameLabel->setText(QString("%1: ").arg(labelName0));
 218     }
 219     if (label0.startsWith("file://")) {
 220         label0 = KUrl(label0).toLocalFile();
 221     }
 222
 223     m_fromLabel->setText(fm.elidedText(label0, Qt::ElideMiddle, m_fromLabel->size().width()));
 224
 225     if (!labelName1.isEmpty()) {
 226         m_toNameLabel->setText(QString("%1: ").arg(labelName1));
 227     }
 228     if (label1.startsWith("file://")) {
 229         label1 = KUrl(label1).toLocalFile();
 230     }
 231     m_toLabel->setText(fm.elidedText(label1, Qt::ElideMiddle, m_toLabel->size().width()));
 232 }
 233
 234 #include "jobwidget.moc"
 235