src/statusbarspaceinfo.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) and              *
   3  *   and Patrice Tremblay                                                  *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  19  ***************************************************************************/
  20
  21 #include "statusbarspaceinfo.h"
  22
  23 #include <kdiskfreespace.h>
  24 #include <kmountpoint.h>
  25 #include <klocale.h>
  26 #include <kio/job.h>
  27
  28 #include <QTimer>
  29 #include <QKeyEvent>
  30
  31 StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
  32     QProgressBar(parent),
  33     m_text()
  34 {
  35     setMaximumWidth(200);
  36
  37     // Update the space information each 10 seconds. Polling is useful
  38     // here, as files can be deleted/added outside the scope of Dolphin.
  39     QTimer* timer = new QTimer(this);
  40     connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
  41     timer->start(10000);
  42 }
  43
  44 StatusBarSpaceInfo::~StatusBarSpaceInfo()
  45 {
  46 }
  47
  48 void StatusBarSpaceInfo::setUrl(const KUrl& url)
  49 {
  50     m_url = url;
  51     refresh();
  52     QTimer::singleShot(300, this, SLOT(update()));
  53 }
  54
  55 QString StatusBarSpaceInfo::text() const
  56 {
  57     return m_text;
  58 }
  59
  60 void StatusBarSpaceInfo::slotFoundMountPoint(const QString& mountPoint,
  61                                              quint64 kBSize,
  62                                              quint64 kBUsed,
  63                                              quint64 kBAvailable)
  64 {
  65     Q_UNUSED(kBUsed);
  66     Q_UNUSED(mountPoint);
  67
  68     m_text = i18nc("@info:status", "%1 free", KIO::convertSizeFromKiB(kBAvailable));
  69
  70     setMinimum(0);
  71     setMaximum(kBAvailable);
  72     setValue(kBUsed);
  73 }
  74
  75 void StatusBarSpaceInfo::refresh()
  76 {
  77     // KDiskFreeSpace is for local paths only
  78     if (!m_url.isLocalFile()) {
  79         return;
  80     }
  81
  82     m_text = i18nc("@info:status", "Getting size...");
  83     setMinimum(0);
  84     setMaximum(0);
  85
  86     KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(m_url.path());
  87     if (!mp) {
  88         return;
  89     }
  90
  91     KDiskFreeSpace* job = new KDiskFreeSpace(this);
  92     connect(job, SIGNAL(foundMountPoint(const QString&,
  93                                         quint64,
  94                                         quint64,
  95                                         quint64)),
  96             this, SLOT(slotFoundMountPoint(const QString&,
  97                                            quint64,
  98                                            quint64,
  99                                            quint64)));
 100
 101     job->readDF(mp->mountPoint());
 102 }
 103
 104 #include "statusbarspaceinfo.moc"