reloadstopbutton.cpp

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/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2010-2014  David Rosca <nowrep@gmail.com>
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "reloadstopbutton.h"
 
#include <QTimer>
#include <QStyle>
 
ReloadStopButton::ReloadStopButton(QWidget* parent)
    : ToolButton(parent)
    , m_loadInProgress(false)
{
    setToolButtonStyle(Qt::ToolButtonIconOnly);
    setToolbarButtonLook(true);
    setAutoRaise(true);
    setFocusPolicy(Qt::NoFocus);
 
    m_updateTimer = new QTimer(this);
    m_updateTimer->setInterval(50);
    m_updateTimer->setSingleShot(true);
    connect(m_updateTimer, &QTimer::timeout, this, &ReloadStopButton::updateButton);
 
    connect(this, &QAbstractButton::clicked, this, &ReloadStopButton::buttonClicked);
 
    updateButton();
}
 
void ReloadStopButton::showStopButton()
{
    m_loadInProgress = true;
    m_updateTimer->start();
}
 
void ReloadStopButton::showReloadButton()
{
    m_loadInProgress = false;
    m_updateTimer->start();
}
 
void ReloadStopButton::updateButton()
{
    if (m_loadInProgress) {
        setToolTip(tr("Stop"));
        setObjectName(QSL("navigation-button-stop"));
    }
    else {
        setToolTip(tr("Reload"));
        setObjectName(QSL("navigation-button-reload"));
    }
 
    // Update the stylesheet for the changed object name
    style()->unpolish(this);
    style()->polish(this);
}
 
void ReloadStopButton::buttonClicked()
{
    if (m_loadInProgress)
        Q_EMIT stopClicked();
    else
        Q_EMIT reloadClicked();
}