falkonOfficial/src/lib/navigation/reloadstopbutton.cpp

/* ============================================================
* QupZilla - WebKit based 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 "toolbutton.h"

#include <QHBoxLayout>
#include <QTimer>

ReloadStopButton::ReloadStopButton(QWidget* parent)
    : QWidget(parent)
    , m_loadInProgress(false)
{
    QHBoxLayout* lay = new QHBoxLayout(this);
    setLayout(lay);

    m_buttonStop = new ToolButton(this);
    m_buttonStop->setObjectName("navigation-button-stop");
    m_buttonStop->setToolTip(ToolButton::tr("Stop"));
    m_buttonStop->setToolButtonStyle(Qt::ToolButtonIconOnly);
    m_buttonStop->setToolbarButtonLook(true);
    m_buttonStop->setVisible(false);
    m_buttonStop->setAutoRaise(true);
    m_buttonStop->setFocusPolicy(Qt::NoFocus);

    m_buttonReload = new ToolButton(this);
    m_buttonReload->setObjectName("navigation-button-reload");
    m_buttonReload->setToolTip(ToolButton::tr("Reload"));
    m_buttonReload->setToolButtonStyle(Qt::ToolButtonIconOnly);
    m_buttonReload->setToolbarButtonLook(true);
    m_buttonReload->setAutoRaise(true);
    m_buttonReload->setFocusPolicy(Qt::NoFocus);

    lay->addWidget(m_buttonStop);
    lay->addWidget(m_buttonReload);
    lay->setContentsMargins(0, 0, 0, 0);
    lay->setSpacing(0);

    m_updateTimer = new QTimer(this);
    m_updateTimer->setInterval(100);
    m_updateTimer->setSingleShot(true);
    connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateButton()));

    connect(m_buttonStop, SIGNAL(clicked()), this, SIGNAL(stopClicked()));
    connect(m_buttonReload, SIGNAL(clicked()), this, SIGNAL(reloadClicked()));
}

void ReloadStopButton::showStopButton()
{
    m_loadInProgress = true;
    m_updateTimer->start();
}

void ReloadStopButton::showReloadButton()
{
    m_loadInProgress = false;
    m_updateTimer->start();
}

void ReloadStopButton::updateButton()
{
    setUpdatesEnabled(false);
    m_buttonStop->setVisible(m_loadInProgress);
    m_buttonReload->setVisible(!m_loadInProgress);
    setUpdatesEnabled(true);
}