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  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  19  ***************************************************************************/
  20
  21 #include "progressindicator.h"
  22 #include "dolphinmainwindow.h"
  23 #include "dolphinstatusbar.h"
  24 #include <QApplication>
  25
  26 ProgressIndicator::ProgressIndicator(DolphinMainWindow* mainWindow,
  27                                      const QString& progressText,
  28                                      const QString& finishedText,
  29                                      int operationsCount)
  30  :  m_mainWindow(mainWindow),
  31     m_showProgress(false),
  32     m_operationsCount(operationsCount),
  33     m_operationsIndex(0),
  34     m_startTime(QTime::currentTime()),
  35     m_finishedText(finishedText)
  36 {
  37     DolphinStatusBar* statusBar = mainWindow->activeView()->statusBar();
  38     statusBar->clear();
  39     statusBar->setProgressText(progressText);
  40     statusBar->setProgress(0);
  41 }
  42
  43
  44 ProgressIndicator::~ProgressIndicator()
  45 {
  46     DolphinStatusBar* statusBar = m_mainWindow->activeView()->statusBar();
  47     statusBar->setProgressText(QString::null);
  48     statusBar->setProgress(100);
  49     statusBar->setMessage(m_finishedText, DolphinStatusBar::OperationCompleted);
  50
  51     if (m_showProgress) {
  52         m_mainWindow->setEnabled(true);
  53     }
  54 }
  55
  56 void ProgressIndicator::execOperation()
  57 {
  58     ++m_operationsIndex;
  59
  60     if (!m_showProgress) {
  61         const int elapsed = m_startTime.msecsTo(QTime::currentTime());
  62         if (elapsed > 500) {
  63             // the operations took already more than 500 milliseconds,
  64             // therefore show a progress indication
  65             m_mainWindow->setEnabled(false);
  66             m_showProgress = true;
  67         }
  68     }
  69
  70     if (m_showProgress) {
  71         const QTime currentTime = QTime::currentTime();
  72         if (m_startTime.msecsTo(currentTime) > 100) {
  73             m_startTime = currentTime;
  74
  75             DolphinStatusBar* statusBar = m_mainWindow->activeView()->statusBar();
  76             statusBar->setProgress((m_operationsIndex * 100) / m_operationsCount);
  77 #warning "EVIL, DANGER, FIRE"
  78             qApp->processEvents();
  79             statusBar->repaint();
  80         }
  81     }
  82 }
  83
  84