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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 examples 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 <QtGui>
#include <QtWebKit>
#include "mainwindow.h"
//! [1]
MainWindow::MainWindow()
{
progress = 0;
QFile file;
file.setFileName(":/jquery.min.js");
file.open(QIODevice::ReadOnly);
jQuery = file.readAll();
file.close();
//! [1]
QNetworkProxyFactory::setUseSystemConfiguration(true);
//! [2]
view = new QWebView(this);
view->load(QUrl("http://www.google.com/ncr"));
connect(view, SIGNAL(loadFinished(bool)), SLOT(adjustLocation()));
connect(view, SIGNAL(titleChanged(const QString&)), SLOT(adjustTitle()));
connect(view, SIGNAL(loadProgress(int)), SLOT(setProgress(int)));
connect(view, SIGNAL(loadFinished(bool)), SLOT(finishLoading(bool)));
locationEdit = new QLineEdit(this);
locationEdit->setSizePolicy(QSizePolicy::Expanding, locationEdit->sizePolicy().verticalPolicy());
connect(locationEdit, SIGNAL(returnPressed()), SLOT(changeLocation()));
QToolBar *toolBar = addToolBar(tr("Navigation"));
toolBar->addAction(view->pageAction(QWebPage::Back));
toolBar->addAction(view->pageAction(QWebPage::Forward));
toolBar->addAction(view->pageAction(QWebPage::Reload));
toolBar->addAction(view->pageAction(QWebPage::Stop));
toolBar->addWidget(locationEdit);
//! [2]
//! [3]
QMenu *effectMenu = menuBar()->addMenu(tr("&Effect"));
effectMenu->addAction("Highlight all links", this, SLOT(highlightAllLinks()));
QAction *rotateAction = new QAction(this);
rotateAction->setIcon(style()->standardIcon(QStyle::SP_FileDialogDetailedView));
rotateAction->setCheckable(true);
rotateAction->setText(tr("Turn images upside down"));
connect(rotateAction, SIGNAL(toggled(bool)), this, SLOT(rotateImages(bool)));
effectMenu->addAction(rotateAction);
QMenu *toolsMenu = menuBar()->addMenu(tr("&Tools"));
toolsMenu->addAction(tr("Remove GIF images"), this, SLOT(removeGifImages()));
toolsMenu->addAction(tr("Remove all inline frames"), this, SLOT(removeInlineFrames()));
toolsMenu->addAction(tr("Remove all object elements"), this, SLOT(removeObjectElements()));
toolsMenu->addAction(tr("Remove all embedded elements"), this, SLOT(removeEmbeddedElements()));
setCentralWidget(view);
setUnifiedTitleAndToolBarOnMac(true);
}
//! [3]
//! [4]
void MainWindow::adjustLocation()
{
locationEdit->setText(view->url().toString());
}
void MainWindow::changeLocation()
{
QUrl url = QUrl(locationEdit->text());
view->load(url);
view->setFocus();
}
//! [4]
//! [5]
void MainWindow::adjustTitle()
{
if (progress <= 0 || progress >= 100)
setWindowTitle(view->title());
else
setWindowTitle(QString("%1 (%2%)").arg(view->title()).arg(progress));
}
void MainWindow::setProgress(int p)
{
progress = p;
adjustTitle();
}
//! [5]
//! [6]
void MainWindow::finishLoading(bool)
{
progress = 100;
adjustTitle();
view->page()->mainFrame()->evaluateJavaScript(jQuery);
}
//! [6]
//! [7]
void MainWindow::highlightAllLinks()
{
QString code = "$('a').each( function () { $(this).css('background-color', 'yellow') } )";
view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [7]
//! [8]
void MainWindow::rotateImages(bool toggle)
{
QString code;
if (toggle)
code = "$('img').each( function () { $(this).css('-webkit-transition', '-webkit-transform 2s'); $(this).css('-webkit-transform', 'rotate(180deg)') } )";
else
code = "$('img').each( function () { $(this).css('-webkit-transition', '-webkit-transform 2s'); $(this).css('-webkit-transform', 'rotate(0deg)') } )";
view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [8]
//! [9]
void MainWindow::removeGifImages()
{
QString code = "$('[src*=gif]').remove()";
view->page()->mainFrame()->evaluateJavaScript(code);
}
void MainWindow::removeInlineFrames()
{
QString code = "$('iframe').remove()";
view->page()->mainFrame()->evaluateJavaScript(code);
}
void MainWindow::removeObjectElements()
{
QString code = "$('object').remove()";
view->page()->mainFrame()->evaluateJavaScript(code);
}
void MainWindow::removeEmbeddedElements()
{
QString code = "$('embed').remove()";
view->page()->mainFrame()->evaluateJavaScript(code);
}
//! [9]
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