src/statusbar/mountpointobserver.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2014 by Frank Reininghaus <frank78ac@googlemail.com>    *
   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 <KIO/FileSystemFreeSpaceJob>
  21
  22 #include "mountpointobserver.h"
  23 #include "mountpointobservercache.h"
  24
  25 MountPointObserver::MountPointObserver(const QUrl& url, QObject* parent) :
  26     QObject(parent),
  27     m_url(url),
  28     m_referenceCount(0)
  29 {
  30 }
  31
  32 MountPointObserver* MountPointObserver::observerForUrl(const QUrl& url)
  33 {
  34     MountPointObserver* observer = MountPointObserverCache::instance()->observerForUrl(url);
  35     return observer;
  36 }
  37
  38 void MountPointObserver::update()
  39 {
  40     if (m_referenceCount == 0) {
  41         delete this;
  42     } else {
  43         KIO::FileSystemFreeSpaceJob* job = KIO::fileSystemFreeSpace(m_url);
  44         connect(job, &KIO::FileSystemFreeSpaceJob::result, this, &MountPointObserver::freeSpaceResult);
  45     }
  46 }
  47
  48 void MountPointObserver::freeSpaceResult(KIO::Job* job, KIO::filesize_t size, KIO::filesize_t available)
  49 {
  50     if (!job->error()) {
  51         emit spaceInfoChanged(size, available);
  52     } else {
  53         emit spaceInfoChanged(0, 0);
  54     }
  55 }