kget/core/kgetglobaljob.cpp

   1 /* This file is part of the KDE project
   2
   3    Copyright (C) 2007 by Javier Goday <jgoday@gmail.com>
   4
   5    This program is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU General Public
   7    License as published by the Free Software Foundation; either
   8    version 2 of the License, or (at your option) any later version.
   9 */
  10 #include "kgetglobaljob.h"
  11
  12 #include <QTimer>
  13
  14 KGetGlobalJob::KGetGlobalJob(QObject *parent)
  15     : KJob(parent), m_jobs()
  16 {
  17     m_timer = new QTimer(this);
  18     m_timer->setSingleShot(false);
  19
  20     connect(m_timer, SIGNAL(timeout()), this, SLOT(update()));
  21 }
  22
  23 KGetGlobalJob::~KGetGlobalJob()
  24 {
  25     delete m_timer;
  26 }
  27
  28 void KGetGlobalJob::registerJob(KJob *job)
  29 {
  30     if(!m_jobs.contains(job)) {
  31         if(m_jobs.size() <= 0) {
  32             m_timer->start(DEFAULT_UPDATE_TIME);
  33         }
  34         m_jobs.append(job);
  35     }
  36 }
  37
  38 void KGetGlobalJob::unregisterJob(KJob *job)
  39 {
  40     m_jobs.removeAll(job);
  41
  42     if(m_jobs.size() <= 0) {
  43         update();
  44         m_timer->stop();
  45     }
  46 }
  47
  48 qulonglong KGetGlobalJob::processedAmount(Unit unit) const
  49 {
  50     qulonglong amount = 0;
  51     foreach(KJob *child, m_jobs) {
  52         amount += child->processedAmount(unit);
  53     }
  54
  55     return amount;
  56 }
  57
  58 qulonglong KGetGlobalJob::totalAmount(Unit unit) const
  59 {
  60     qulonglong amount = 0;
  61     foreach(KJob *child, m_jobs) {
  62         amount += child->totalAmount(unit);
  63     }
  64
  65     return amount;
  66 }
  67
  68 unsigned long KGetGlobalJob::percent() const
  69 {
  70     if (totalAmount(KJob::Bytes) > 0)
  71         return 100 * processedAmount(KJob::Bytes) / totalAmount(KJob::Bytes);
  72     else
  73         return 0;
  74 }
  75
  76 void KGetGlobalJob::update()
  77 {
  78     emit description(this, "KGet global information",
  79                     qMakePair(QString("source"), QString("KGet is downloading %1 files").arg(m_jobs.size())),
  80                     qMakePair(QString("destination"), QString("to different locations")));
  81
  82     setProcessedAmount(KJob::Bytes, processedAmount(KJob::Bytes));
  83     setTotalAmount(KJob::Bytes, totalAmount(KJob::Bytes));
  84     setPercent(percent());
  85 }