src/progressindicator.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "progressindicator.h"
  22 #include "dolphin.h"
  23 #include "dolphinstatusbar.h"
  24
  25 ProgressIndicator::ProgressIndicator(const QString& progressText,
  26                                      const QString& finishedText,
  27                                      int operationsCount)
  28  :  m_showProgress(false),
  29     m_operationsCount(operationsCount),
  30     m_operationsIndex(0),
  31     m_startTime(QTime::currentTime()),
  32     m_finishedText(finishedText)
  33 {
  34     DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
  35     statusBar->clear();
  36     statusBar->setProgressText(progressText);
  37     statusBar->setProgress(0);
  38 }
  39
  40
  41 ProgressIndicator::~ProgressIndicator()
  42 {
  43     DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
  44     statusBar->setProgressText(QString::null);
  45     statusBar->setProgress(100);
  46     statusBar->setMessage(m_finishedText, DolphinStatusBar::OperationCompleted);
  47
  48     if (m_showProgress) {
  49         Dolphin::mainWin().setEnabled(true);
  50     }
  51 }
  52
  53 void ProgressIndicator::execOperation()
  54 {
  55     ++m_operationsIndex;
  56
  57     if (!m_showProgress) {
  58         const int elapsed = m_startTime.msecsTo(QTime::currentTime());
  59         if (elapsed > 500) {
  60             // the operations took already more than 500 milliseconds,
  61             // therefore show a progress indication
  62             Dolphin::mainWin().setEnabled(false);
  63             m_showProgress = true;
  64         }
  65     }
  66
  67     if (m_showProgress) {
  68         const QTime currentTime = QTime::currentTime();
  69         if (m_startTime.msecsTo(currentTime) > 100) {
  70             m_startTime = currentTime;
  71
  72             DolphinStatusBar* statusBar = Dolphin::mainWin().activeView()->statusBar();
  73             statusBar->setProgress((m_operationsIndex * 100) / m_operationsCount);
  74             kapp->processEvents();
  75             statusBar->repaint();
  76         }
  77     }
  78 }
  79
  80