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 "mountpointobserver.h"
  21
  22 #include "mountpointobservercache.h"
  23
  24 #include <KIO/FileSystemFreeSpaceJob>
  25
  26 MountPointObserver::MountPointObserver(const QUrl& url, QObject* parent) :
  27     QObject(parent),
  28     m_url(url),
  29     m_referenceCount(0)
  30 {
  31 }
  32
  33 MountPointObserver* MountPointObserver::observerForUrl(const QUrl& url)
  34 {
  35     MountPointObserver* observer = MountPointObserverCache::instance()->observerForUrl(url);
  36     return observer;
  37 }
  38
  39 void MountPointObserver::update()
  40 {
  41     if (m_referenceCount == 0) {
  42         delete this;
  43     } else {
  44         KIO::FileSystemFreeSpaceJob* job = KIO::fileSystemFreeSpace(m_url);
  45         connect(job, &KIO::FileSystemFreeSpaceJob::result, this, &MountPointObserver::freeSpaceResult);
  46     }
  47 }
  48
  49 void MountPointObserver::freeSpaceResult(KIO::Job* job, KIO::filesize_t size, KIO::filesize_t available)
  50 {
  51     if (!job->error()) {
  52         emit spaceInfoChanged(size, available);
  53     } else {
  54         emit spaceInfoChanged(0, 0);
  55     }
  56 }