examples/webkit/fancybrowser/mainwindow.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/webkit/fancybrowser/mainwindow.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,188 @@
+/****************************************************************************
+**
+** 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 () { $(this).css('background-color', 'yellow') } )";
+    view->page()->mainFrame()->evaluateJavaScript(code);
+}
+//! [7]
+
+//! [8]
+void MainWindow::rotateImages(bool toggle)
+{
+    QString code = "$('img').each( function () { $(this).css('-webkit-transition', '-webkit-transform 2s') } )";
+    view->page()->mainFrame()->evaluateJavaScript(code);
+    if (toggle)
+        code = "$('img').each( function () { $(this).css('-webkit-transform', 'rotate(180deg)') } )";
+    else
+        code = "$('img').each( function () { $(this).css('-webkit-transform', 'rotate(0deg)') } )";
+    view->page()->mainFrame()->evaluateJavaScript(code);
+}
+//! [8]
+
+//! [9]
+void MainWindow::removeGifImages()
+{
+    QString code = "$('[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]
+