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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demos of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "BrowserWindow.h"
#include <QtCore>
#include <QtGui>
#include <QPropertyAnimation>
#include <QResizeEvent>
#include "BrowserView.h"
#include "HomeView.h"
BrowserWindow::BrowserWindow()
: m_slidingSurface(new QWidget(this))
, m_homeView(new HomeView(m_slidingSurface))
, m_browserView(new BrowserView(m_slidingSurface))
, m_animation(new QPropertyAnimation(this, "slideValue"))
{
m_slidingSurface->setAutoFillBackground(true);
m_homeView->resize(size());
m_browserView->resize(size());
connect(m_homeView, SIGNAL(addressEntered(QString)), SLOT(gotoAddress(QString)));
connect(m_homeView, SIGNAL(urlActivated(QUrl)), SLOT(navigate(QUrl)));
connect(m_browserView, SIGNAL(menuButtonClicked()), SLOT(showHomeView()));
m_animation->setDuration(200);
connect(m_animation, SIGNAL(finished()), SLOT(animationFinished()));
setSlideValue(0.0f);
}
void BrowserWindow::gotoAddress(const QString &address)
{
m_browserView->navigate(QUrl::fromUserInput(address));
showBrowserView();
}
void BrowserWindow::animationFinished()
{
m_animation->setDirection(QAbstractAnimation::Forward);
}
void BrowserWindow::navigate(const QUrl &url)
{
m_browserView->navigate(url);
showBrowserView();
}
void BrowserWindow::setSlideValue(qreal slideRatio)
{
// we use a ratio to handle resize corectly
const int pos = -qRound(slideRatio * width());
m_slidingSurface->scroll(pos - m_homeView->x(), 0);
if (qFuzzyCompare(slideRatio, static_cast<qreal>(1.0f))) {
m_browserView->show();
m_homeView->hide();
} else if (qFuzzyCompare(slideRatio, static_cast<qreal>(0.0f))) {
m_homeView->show();
m_browserView->hide();
} else {
m_browserView->show();
m_homeView->show();
}
}
qreal BrowserWindow::slideValue() const
{
Q_ASSERT(m_slidingSurface->x() < width());
return static_cast<qreal>(qAbs(m_homeView->x())) / width();
}
void BrowserWindow::showHomeView()
{
m_animation->setStartValue(slideValue());
m_animation->setEndValue(0.0f);
m_animation->start();
m_homeView->setFocus();
}
void BrowserWindow::showBrowserView()
{
m_animation->setStartValue(slideValue());
m_animation->setEndValue(1.0f);
m_animation->start();
m_browserView->setFocus();
}
void BrowserWindow::keyReleaseEvent(QKeyEvent *event)
{
QWidget::keyReleaseEvent(event);
if (event->key() == Qt::Key_F3) {
if (m_animation->state() == QAbstractAnimation::Running) {
const QAbstractAnimation::Direction direction = m_animation->direction() == QAbstractAnimation::Forward
? QAbstractAnimation::Forward
: QAbstractAnimation::Backward;
m_animation->setDirection(direction);
} else if (qFuzzyCompare(slideValue(), static_cast<qreal>(1.0f)))
showHomeView();
else
showBrowserView();
event->accept();
}
}
void BrowserWindow::resizeEvent(QResizeEvent *event)
{
const QSize oldSize = event->oldSize();
const qreal oldSlidingRatio = static_cast<qreal>(qAbs(m_homeView->x())) / oldSize.width();
const QSize newSize = event->size();
m_slidingSurface->resize(newSize.width() * 2, newSize.height());
m_homeView->resize(newSize);
m_homeView->move(0, 0);
m_browserView->resize(newSize);
m_browserView->move(newSize.width(), 0);
setSlideValue(oldSlidingRatio);
}
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