src/Gui/TaskProgressIndicator.cpp

   1 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
   2
   3    This file is part of the Trojita Qt IMAP e-mail client,
   4    http://trojita.flaska.net/
   5
   6    This program is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU General Public License as
   8    published by the Free Software Foundation; either version 2 of
   9    the License or (at your option) version 3 or any later version
  10    accepted by the membership of KDE e.V. (or its successor approved
  11    by the membership of KDE e.V.), which shall act as a proxy
  12    defined in Section 14 of version 3 of the license.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "TaskProgressIndicator.h"
  24 #include <QApplication>
  25 #include <QMouseEvent>
  26 #include "Imap/Model/Model.h"
  27 #include "Imap/Model/VisibleTasksModel.h"
  28
  29 namespace Gui
  30 {
  31
  32 TaskProgressIndicator::TaskProgressIndicator(QWidget *parent) :
  33     QProgressBar(parent), m_busy(false)
  34 {
  35     setMinimum(0);
  36     setMaximum(0);
  37 }
  38
  39 /** @short Connect to the specified IMAP model as the source of the activity information */
  40 void TaskProgressIndicator::setImapModel(Imap::Mailbox::Model *model)
  41 {
  42     if (model) {
  43         m_visibleTasksModel = new Imap::Mailbox::VisibleTasksModel(model, model->taskModel());
  44         connect(m_visibleTasksModel, SIGNAL(layoutChanged()), this, SLOT(updateActivityIndication()));
  45         connect(m_visibleTasksModel, SIGNAL(modelReset()), this, SLOT(updateActivityIndication()));
  46         connect(m_visibleTasksModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(updateActivityIndication()));
  47         connect(m_visibleTasksModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(updateActivityIndication()));
  48     }
  49 }
  50
  51 /** @short Reflect a possible change in the activity in the GUI */
  52 void TaskProgressIndicator::updateActivityIndication()
  53 {
  54     if (!m_visibleTasksModel)
  55         return;
  56
  57     bool busy = m_visibleTasksModel->hasChildren();
  58     setVisible(busy);
  59     if (!m_busy && busy) {
  60         QApplication::setOverrideCursor(Qt::WaitCursor);
  61     } else if (m_busy && !busy) {
  62         QApplication::restoreOverrideCursor();
  63     }
  64
  65     if (busy) {
  66         setToolTip(tr("%1 ongoing actions").arg(QString::number(m_visibleTasksModel->rowCount())));
  67     } else {
  68         setToolTip(tr("IMAP connection idle"));
  69     }
  70
  71     m_busy = busy;
  72 }
  73
  74 /** @short Reimplemented from QProgressBar for launching the pop-up widgets with detailed activity */
  75 void TaskProgressIndicator::mousePressEvent(QMouseEvent *event)
  76 {
  77     if (!m_visibleTasksModel)
  78         return;
  79
  80     if (event->buttons() == Qt::LeftButton) {
  81         event->accept();
  82     } else {
  83         QProgressBar::mousePressEvent(event);
  84     }
  85 }
  86
  87 }