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0001 /* ============================================================
0002 * Falkon - Qt web browser
0003 * Copyright (C) 2010-2014  David Rosca <nowrep@gmail.com>
0004 *
0005 * This program is free software: you can redistribute it and/or modify
0006 * it under the terms of the GNU General Public License as published by
0007 * the Free Software Foundation, either version 3 of the License, or
0008 * (at your option) any later version.
0009 *
0010 * This program is distributed in the hope that it will be useful,
0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0013 * GNU General Public License for more details.
0014 *
0015 * You should have received a copy of the GNU General Public License
0016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
0017 * ============================================================ */
0018 #include "reloadstopbutton.h"
0019 
0020 #include <QTimer>
0021 #include <QStyle>
0022 
0023 ReloadStopButton::ReloadStopButton(QWidget* parent)
0024     : ToolButton(parent)
0025     , m_loadInProgress(false)
0026 {
0027     setToolButtonStyle(Qt::ToolButtonIconOnly);
0028     setToolbarButtonLook(true);
0029     setAutoRaise(true);
0030     setFocusPolicy(Qt::NoFocus);
0031 
0032     m_updateTimer = new QTimer(this);
0033     m_updateTimer->setInterval(50);
0034     m_updateTimer->setSingleShot(true);
0035     connect(m_updateTimer, &QTimer::timeout, this, &ReloadStopButton::updateButton);
0036 
0037     connect(this, &QAbstractButton::clicked, this, &ReloadStopButton::buttonClicked);
0038 
0039     updateButton();
0040 }
0041 
0042 void ReloadStopButton::showStopButton()
0043 {
0044     m_loadInProgress = true;
0045     m_updateTimer->start();
0046 }
0047 
0048 void ReloadStopButton::showReloadButton()
0049 {
0050     m_loadInProgress = false;
0051     m_updateTimer->start();
0052 }
0053 
0054 void ReloadStopButton::updateButton()
0055 {
0056     if (m_loadInProgress) {
0057         setToolTip(tr("Stop"));
0058         setObjectName(QSL("navigation-button-stop"));
0059     }
0060     else {
0061         setToolTip(tr("Reload"));
0062         setObjectName(QSL("navigation-button-reload"));
0063     }
0064 
0065     // Update the stylesheet for the changed object name
0066     style()->unpolish(this);
0067     style()->polish(this);
0068 }
0069 
0070 void ReloadStopButton::buttonClicked()
0071 {
0072     if (m_loadInProgress)
0073         Q_EMIT stopClicked();
0074     else
0075         Q_EMIT reloadClicked();
0076 }