1 files changed, 84 insertions, 0 deletions
diff --git a/src/common/global/progress_monitor.cpp b/src/common/global/progress_monitor.cpp
new file mode 100644
index 0000000..fcd0cec
--- /dev/null
+++ b/src/common/global/progress_monitor.cpp
@@ -0,0 +1,84 @@
+/***************************************************************************
+ *   Copyright (C) 2007 Nicolas Hadacek <hadacek@kde.org>                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+#include "progress_monitor.h"
+
+ProgressMonitor::ProgressMonitor(QObject* parent)
+  : QObject(parent, "progress_monitor")
+{
+  _current = _tasks.end();
+}
+
+void ProgressMonitor::clear()
+{
+  _tasks.clear();
+  _current = _tasks.end();
+  emit showProgress(false);
+}
+
+void ProgressMonitor::appendTask(const QString &label, uint nbSteps)
+{
+  Task task;
+  task.label = label;
+  task.nbSteps = nbSteps;
+  task.nbDoneSteps = 0;
+  _tasks.append(task);
+}
+
+void ProgressMonitor::insertTask(const QString &label, uint nbSteps)
+{
+  Task task;
+  task.label = label;
+  task.nbSteps = nbSteps;
+  task.nbDoneSteps = 0;
+  if ( _current==_tasks.end() ) _current = _tasks.prepend(task);
+  else _current = _tasks.insert(_current, task);
+  update();
+}
+
+uint ProgressMonitor::nbSteps() const
+{
+  uint nb = 0;
+  for (uint i=0; i<uint(_tasks.count()); i++) nb += _tasks[i].nbSteps;
+  return nb;
+}
+
+uint ProgressMonitor::nbDoneSteps() const
+{
+  uint nb = 0;
+  for (uint i=0; i<uint(_tasks.count()); i++) nb += _tasks[i].nbDoneSteps;
+  return nb;
+}
+
+void ProgressMonitor::update()
+{
+  QString label = (_current==_tasks.end() ? QString::null : (*_current).label);
+  emit setLabel(label);
+  emit setTotalProgress(nbSteps());
+  emit setProgress(nbDoneSteps());
+  emit showProgress(true);
+}
+
+void ProgressMonitor::startNextTask()
+{
+  if ( _current==_tasks.end() ) _current = _tasks.begin();
+  else ++_current;
+  Q_ASSERT( _current!=_tasks.end() ) ;
+  update();
+}
+
+void ProgressMonitor::addTaskProgress(uint nbSteps)
+{
+  Q_ASSERT( _current!=_tasks.end() ) ;
+  if ( _current==_tasks.end() ) return;
+  uint nb = (*_current).nbDoneSteps + nbSteps;
+  Q_ASSERT( nb<=(*_current).nbSteps );
+  if ( nb>(*_current).nbSteps ) qDebug("%s %i+%i > %i", (*_current).label.latin1(), (*_current).nbDoneSteps, nbSteps, (*_current).nbSteps);
+  (*_current).nbDoneSteps = QMIN(nb, (*_current).nbSteps);
+  update();
+}