Tools/MiniBrowser/qt/BrowserWindow.cpp - platform/external/webkit - Git at Google

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2010 University of Szeged
  *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "BrowserWindow.h"

 #include "UrlLoader.h"
 #include "qwkpreferences.h"

 static QWKPage* newPageFunction(QWKPage* page)
 {
     BrowserWindow* window = new BrowserWindow(page->context());
     return window->page();
 }

 QVector<qreal> BrowserWindow::m_zoomLevels;

 BrowserWindow::BrowserWindow(QWKContext* context, WindowOptions* options)
     : m_isZoomTextOnly(false)
     , m_currentZoom(1)
     , m_urlLoader(0)
     , m_context(context)
 {
     if (options)
         m_windowOptions = *options;
     else {
         WindowOptions tmpOptions;
         m_windowOptions = tmpOptions;
     }

     if (m_windowOptions.useTiledBackingStore)
         m_browser = new BrowserView(QGraphicsWKView::Tiled, context);
     else
         m_browser = new BrowserView(QGraphicsWKView::Simple, context);

     setAttribute(Qt::WA_DeleteOnClose);

     connect(m_browser->view(), SIGNAL(loadProgress(int)), SLOT(loadProgress(int)));
     connect(m_browser->view(), SIGNAL(titleChanged(const QString&)), SLOT(setWindowTitle(const QString&)));
     connect(m_browser->view(), SIGNAL(urlChanged(const QUrl&)), SLOT(urlChanged(const QUrl&)));

     if (m_windowOptions.printLoadedUrls)
         connect(page(), SIGNAL(urlChanged(QUrl)), this, SLOT(printURL(QUrl)));

     this->setCentralWidget(m_browser);
     m_browser->setFocus(Qt::OtherFocusReason);

     QMenu* fileMenu = menuBar()->addMenu("&File");
     fileMenu->addAction("New Window", this, SLOT(newWindow()), QKeySequence::New);
     fileMenu->addAction("Open File", this, SLOT(openFile()), QKeySequence::Open);
     fileMenu->addSeparator();
     fileMenu->addAction("Quit", this, SLOT(close()));

     QMenu* viewMenu = menuBar()->addMenu("&View");
     viewMenu->addAction(page()->action(QWKPage::Stop));
     viewMenu->addAction(page()->action(QWKPage::Reload));
     viewMenu->addSeparator();
     QAction* zoomIn = viewMenu->addAction("Zoom &In", this, SLOT(zoomIn()));
     QAction* zoomOut = viewMenu->addAction("Zoom &Out", this, SLOT(zoomOut()));
     QAction* resetZoom = viewMenu->addAction("Reset Zoom", this, SLOT(resetZoom()));
     QAction* zoomText = viewMenu->addAction("Zoom Text Only", this, SLOT(toggleZoomTextOnly(bool)));
     zoomText->setCheckable(true);
     zoomText->setChecked(false);
     viewMenu->addSeparator();
     viewMenu->addAction("Take Screen Shot...", this, SLOT(screenshot()));

     zoomIn->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Plus));
     zoomOut->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Minus));
     resetZoom->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_0));

     QMenu* windowMenu = menuBar()->addMenu("&Window");
     QAction* toggleFullScreen = windowMenu->addAction("Toggle FullScreen", this, SIGNAL(enteredFullScreenMode(bool)));
     toggleFullScreen->setShortcut(Qt::Key_F11);
     toggleFullScreen->setCheckable(true);
     toggleFullScreen->setChecked(false);
     // When exit fullscreen mode by clicking on the exit area (bottom right corner) we must
     // uncheck the Toggle FullScreen action.
     toggleFullScreen->connect(this, SIGNAL(enteredFullScreenMode(bool)), SLOT(setChecked(bool)));
     connect(this, SIGNAL(enteredFullScreenMode(bool)), this, SLOT(toggleFullScreenMode(bool)));

     QMenu* toolsMenu = menuBar()->addMenu("&Develop");
     QAction* toggleFrameFlattening = toolsMenu->addAction("Toggle Frame Flattening", this, SLOT(toggleFrameFlattening(bool)));
     toggleFrameFlattening->setCheckable(true);
     toggleFrameFlattening->setChecked(false);
     toolsMenu->addSeparator();
     toolsMenu->addAction("Change User Agent", this, SLOT(showUserAgentDialog()));
     toolsMenu->addSeparator();
     toolsMenu->addAction("Load URLs from file", this, SLOT(loadURLListFromFile()));

     QMenu* settingsMenu = menuBar()->addMenu("&Settings");
     QAction* toggleAutoLoadImages = settingsMenu->addAction("Disable Auto Load Images", this, SLOT(toggleAutoLoadImages(bool)));
     toggleAutoLoadImages->setCheckable(true);
     toggleAutoLoadImages->setChecked(false);
     QAction* toggleDisableJavaScript = settingsMenu->addAction("Disable JavaScript", this, SLOT(toggleDisableJavaScript(bool)));
     toggleDisableJavaScript->setCheckable(true);
     toggleDisableJavaScript->setChecked(false);

     m_addressBar = new QLineEdit();
     connect(m_addressBar, SIGNAL(returnPressed()), SLOT(changeLocation()));

     QToolBar* bar = addToolBar("Navigation");
     bar->addAction(page()->action(QWKPage::Back));
     bar->addAction(page()->action(QWKPage::Forward));
     bar->addAction(page()->action(QWKPage::Reload));
     bar->addAction(page()->action(QWKPage::Stop));
     bar->addWidget(m_addressBar);

     QShortcut* selectAddressBar = new QShortcut(Qt::CTRL | Qt::Key_L, this);
     connect(selectAddressBar, SIGNAL(activated()), this, SLOT(openLocation()));

     page()->setCreateNewPageFunction(newPageFunction);

     // the zoom values are chosen to be like in Mozilla Firefox 3
     if (!m_zoomLevels.count()) {
         m_zoomLevels << 0.3 << 0.5 << 0.67 << 0.8 << 0.9;
         m_zoomLevels << 1;
         m_zoomLevels << 1.1 << 1.2 << 1.33 << 1.5 << 1.7 << 2 << 2.4 << 3;
     }

     if (m_windowOptions.startMaximized)
         setWindowState(windowState() | Qt::WindowMaximized);
     else
         resize(800, 600);
     show();
 }

 void BrowserWindow::load(const QString& url)
 {
     m_addressBar->setText(url);
     m_browser->load(url);
 }

 QWKPage* BrowserWindow::page()
 {
     return m_browser->view()->page();
 }

 BrowserWindow* BrowserWindow::newWindow(const QString& url)
 {
     BrowserWindow* window;
     if (m_windowOptions.useSeparateWebProcessPerWindow) {
         QWKContext* context = new QWKContext();
         window = new BrowserWindow(context);
         context->setParent(window);
     } else
         window = new BrowserWindow(m_context);

     window->load(url);
     return window;
 }

 void BrowserWindow::openLocation()
 {
     m_addressBar->selectAll();
     m_addressBar->setFocus();
 }

 void BrowserWindow::changeLocation()
 {
     QString string = m_addressBar->text();
     m_browser->load(string);
 }

 void BrowserWindow::loadProgress(int progress)
 {
     QColor backgroundColor = QApplication::palette().color(QPalette::Base);
     QColor progressColor = QColor(120, 180, 240);
     QPalette pallete = m_addressBar->palette();

     if (progress <= 0 || progress >= 100)
         pallete.setBrush(QPalette::Base, backgroundColor);
     else {
         QLinearGradient gradient(0, 0, width(), 0);
         gradient.setColorAt(0, progressColor);
         gradient.setColorAt(((double) progress) / 100, progressColor);
         if (progress != 100)
             gradient.setColorAt((double) progress / 100 + 0.001, backgroundColor);
         pallete.setBrush(QPalette::Base, gradient);
     }
     m_addressBar->setPalette(pallete);
 }

 void BrowserWindow::urlChanged(const QUrl& url)
 {
     m_addressBar->setText(url.toString());
     m_browser->setFocus();
     m_browser->view()->setFocus();
 }

 void BrowserWindow::openFile()
 {
 #ifndef QT_NO_FILEDIALOG
     static const QString filter("HTML Files (*.htm *.html *.xhtml);;Text Files (*.txt);;Image Files (*.gif *.jpg *.png);;SVG Files (*.svg);;All Files (*)");

     QFileDialog fileDialog(this, tr("Open"), QString(), filter);
     fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
     fileDialog.setFileMode(QFileDialog::ExistingFile);
     fileDialog.setOptions(QFileDialog::ReadOnly);

     if (fileDialog.exec()) {
         QString selectedFile = fileDialog.selectedFiles()[0];
         if (!selectedFile.isEmpty())
             load(selectedFile);
     }
 #endif
 }

 void BrowserWindow::screenshot()
 {
     QPixmap pixmap = QPixmap::grabWidget(m_browser);
     QLabel* label = 0;
 #if !defined(Q_OS_SYMBIAN)
     label = new QLabel;
     label->setAttribute(Qt::WA_DeleteOnClose);
     label->setWindowTitle("Screenshot - Preview");
     label->setPixmap(pixmap);
     label->show();
 #endif

 #ifndef QT_NO_FILEDIALOG
     QString fileName = QFileDialog::getSaveFileName(label, "Screenshot", QString(), QString("PNG File (.png)"));
     if (!fileName.isEmpty()) {
         QRegExp rx("*.png");
         rx.setCaseSensitivity(Qt::CaseInsensitive);
         rx.setPatternSyntax(QRegExp::Wildcard);

         if (!rx.exactMatch(fileName))
             fileName += ".png";

         pixmap.save(fileName, "png");
         if (label)
             label->setWindowTitle(QString("Screenshot - Saved at %1").arg(fileName));
     }
 #endif
 }

 void BrowserWindow::zoomIn()
 {
     if (m_isZoomTextOnly)
         m_currentZoom = page()->textZoomFactor();
     else
         m_currentZoom = page()->pageZoomFactor();

     int i = m_zoomLevels.indexOf(m_currentZoom);
     Q_ASSERT(i >= 0);
     if (i < m_zoomLevels.count() - 1)
         m_currentZoom = m_zoomLevels[i + 1];

     applyZoom();
 }

 void BrowserWindow::zoomOut()
 {
     if (m_isZoomTextOnly)
         m_currentZoom = page()->textZoomFactor();
     else
         m_currentZoom = page()->pageZoomFactor();

     int i = m_zoomLevels.indexOf(m_currentZoom);
     Q_ASSERT(i >= 0);
     if (i > 0)
         m_currentZoom = m_zoomLevels[i - 1];

     applyZoom();
 }

 void BrowserWindow::resetZoom()
 {
     m_currentZoom = 1;
     applyZoom();
 }

 void BrowserWindow::toggleZoomTextOnly(bool b)
 {
     m_isZoomTextOnly = b;
 }

 void BrowserWindow::toggleFullScreenMode(bool enable)
 {
     bool alreadyEnabled = windowState() & Qt::WindowFullScreen;
     if (enable ^ alreadyEnabled)
         setWindowState(windowState() ^ Qt::WindowFullScreen);
 }

 void BrowserWindow::toggleFrameFlattening(bool toggle)
 {
     page()->preferences()->setAttribute(QWKPreferences::FrameFlatteningEnabled, toggle);
 }


 void BrowserWindow::showUserAgentDialog()
 {
     updateUserAgentList();

     QDialog dialog(this);
     dialog.setWindowTitle("Change User Agent");
     dialog.resize(size().width() * 0.7, dialog.size().height());
     QVBoxLayout* layout = new QVBoxLayout(&dialog);
     dialog.setLayout(layout);

     QComboBox* combo = new QComboBox(&dialog);
     combo->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLength);
     combo->setEditable(true);
     combo->insertItems(0, m_userAgentList);
     layout->addWidget(combo);

     int index = combo->findText(page()->customUserAgent());
     combo->setCurrentIndex(index);

     QDialogButtonBox* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel
                                                       , Qt::Horizontal, &dialog);
     connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
     connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
     layout->addWidget(buttonBox);

     if (dialog.exec() && !combo->currentText().isEmpty())
         page()->setCustomUserAgent(combo->currentText());
 }

 void BrowserWindow::loadURLListFromFile()
 {
     QString selectedFile;
 #ifndef QT_NO_FILEDIALOG
     selectedFile = QFileDialog::getOpenFileName(this, tr("Load URL list from file")
                                                        , QString(), tr("Text Files (*.txt);;All Files (*)"));
 #endif
     if (selectedFile.isEmpty())
        return;

     m_urlLoader = new UrlLoader(this, selectedFile, 0, 0);
     m_urlLoader->loadNext();
 }

 void BrowserWindow::printURL(const QUrl& url)
 {
     QTextStream output(stdout);
     output << "Loaded: " << url.toString() << endl;
 }

 void BrowserWindow::toggleDisableJavaScript(bool enable)
 {
     page()->preferences()->setAttribute(QWKPreferences::JavascriptEnabled, !enable);
 }

 void BrowserWindow::toggleAutoLoadImages(bool enable)
 {
     page()->preferences()->setAttribute(QWKPreferences::AutoLoadImages, !enable);
 }

 void BrowserWindow::updateUserAgentList()
 {
     QFile file(":/useragentlist.txt");

     if (file.open(QIODevice::ReadOnly)) {
         while (!file.atEnd()) {
             QString agent = file.readLine().trimmed();
             if (!m_userAgentList.contains(agent))
                 m_userAgentList << agent;
         }
         file.close();
     }

     Q_ASSERT(!m_userAgentList.isEmpty());
     QWKPage* wkPage = page();
     if (!(wkPage->customUserAgent().isEmpty() || m_userAgentList.contains(wkPage->customUserAgent())))
         m_userAgentList << wkPage->customUserAgent();
 }

 void BrowserWindow::applyZoom()
 {
     if (m_isZoomTextOnly)
         page()->setTextZoomFactor(m_currentZoom);
     else
         page()->setPageZoomFactor(m_currentZoom);
 }

 BrowserWindow::~BrowserWindow()
 {
     delete m_urlLoader;
     delete m_addressBar;
     delete m_browser;
 }
	/*
	* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
	* Copyright (C) 2010 University of Szeged
	*
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "BrowserWindow.h"

	#include "UrlLoader.h"
	#include "qwkpreferences.h"

	static QWKPage* newPageFunction(QWKPage* page)
	{
	BrowserWindow* window = new BrowserWindow(page->context());
	return window->page();
	}

	QVector<qreal> BrowserWindow::m_zoomLevels;

	BrowserWindow::BrowserWindow(QWKContext* context, WindowOptions* options)
	: m_isZoomTextOnly(false)
	, m_currentZoom(1)
	, m_urlLoader(0)
	, m_context(context)
	{
	if (options)
	m_windowOptions = *options;
	else {
	WindowOptions tmpOptions;
	m_windowOptions = tmpOptions;
	}

	if (m_windowOptions.useTiledBackingStore)
	m_browser = new BrowserView(QGraphicsWKView::Tiled, context);
	else
	m_browser = new BrowserView(QGraphicsWKView::Simple, context);

	setAttribute(Qt::WA_DeleteOnClose);

	connect(m_browser->view(), SIGNAL(loadProgress(int)), SLOT(loadProgress(int)));
	connect(m_browser->view(), SIGNAL(titleChanged(const QString&)), SLOT(setWindowTitle(const QString&)));
	connect(m_browser->view(), SIGNAL(urlChanged(const QUrl&)), SLOT(urlChanged(const QUrl&)));

	if (m_windowOptions.printLoadedUrls)
	connect(page(), SIGNAL(urlChanged(QUrl)), this, SLOT(printURL(QUrl)));

	this->setCentralWidget(m_browser);
	m_browser->setFocus(Qt::OtherFocusReason);

	QMenu* fileMenu = menuBar()->addMenu("&File");
	fileMenu->addAction("New Window", this, SLOT(newWindow()), QKeySequence::New);
	fileMenu->addAction("Open File", this, SLOT(openFile()), QKeySequence::Open);
	fileMenu->addSeparator();
	fileMenu->addAction("Quit", this, SLOT(close()));

	QMenu* viewMenu = menuBar()->addMenu("&View");
	viewMenu->addAction(page()->action(QWKPage::Stop));
	viewMenu->addAction(page()->action(QWKPage::Reload));
	viewMenu->addSeparator();
	QAction* zoomIn = viewMenu->addAction("Zoom &In", this, SLOT(zoomIn()));
	QAction* zoomOut = viewMenu->addAction("Zoom &Out", this, SLOT(zoomOut()));
	QAction* resetZoom = viewMenu->addAction("Reset Zoom", this, SLOT(resetZoom()));
	QAction* zoomText = viewMenu->addAction("Zoom Text Only", this, SLOT(toggleZoomTextOnly(bool)));
	zoomText->setCheckable(true);
	zoomText->setChecked(false);
	viewMenu->addSeparator();
	viewMenu->addAction("Take Screen Shot...", this, SLOT(screenshot()));

	zoomIn->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_Plus));
	zoomOut->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_Minus));
	resetZoom->setShortcut(QKeySequence(Qt::CTRL \| Qt::Key_0));

	QMenu* windowMenu = menuBar()->addMenu("&Window");
	QAction* toggleFullScreen = windowMenu->addAction("Toggle FullScreen", this, SIGNAL(enteredFullScreenMode(bool)));
	toggleFullScreen->setShortcut(Qt::Key_F11);
	toggleFullScreen->setCheckable(true);
	toggleFullScreen->setChecked(false);
	// When exit fullscreen mode by clicking on the exit area (bottom right corner) we must
	// uncheck the Toggle FullScreen action.
	toggleFullScreen->connect(this, SIGNAL(enteredFullScreenMode(bool)), SLOT(setChecked(bool)));
	connect(this, SIGNAL(enteredFullScreenMode(bool)), this, SLOT(toggleFullScreenMode(bool)));

	QMenu* toolsMenu = menuBar()->addMenu("&Develop");
	QAction* toggleFrameFlattening = toolsMenu->addAction("Toggle Frame Flattening", this, SLOT(toggleFrameFlattening(bool)));
	toggleFrameFlattening->setCheckable(true);
	toggleFrameFlattening->setChecked(false);
	toolsMenu->addSeparator();
	toolsMenu->addAction("Change User Agent", this, SLOT(showUserAgentDialog()));
	toolsMenu->addSeparator();
	toolsMenu->addAction("Load URLs from file", this, SLOT(loadURLListFromFile()));

	QMenu* settingsMenu = menuBar()->addMenu("&Settings");
	QAction* toggleAutoLoadImages = settingsMenu->addAction("Disable Auto Load Images", this, SLOT(toggleAutoLoadImages(bool)));
	toggleAutoLoadImages->setCheckable(true);
	toggleAutoLoadImages->setChecked(false);
	QAction* toggleDisableJavaScript = settingsMenu->addAction("Disable JavaScript", this, SLOT(toggleDisableJavaScript(bool)));
	toggleDisableJavaScript->setCheckable(true);
	toggleDisableJavaScript->setChecked(false);

	m_addressBar = new QLineEdit();
	connect(m_addressBar, SIGNAL(returnPressed()), SLOT(changeLocation()));

	QToolBar* bar = addToolBar("Navigation");
	bar->addAction(page()->action(QWKPage::Back));
	bar->addAction(page()->action(QWKPage::Forward));
	bar->addAction(page()->action(QWKPage::Reload));
	bar->addAction(page()->action(QWKPage::Stop));
	bar->addWidget(m_addressBar);

	QShortcut* selectAddressBar = new QShortcut(Qt::CTRL \| Qt::Key_L, this);
	connect(selectAddressBar, SIGNAL(activated()), this, SLOT(openLocation()));

	page()->setCreateNewPageFunction(newPageFunction);

	// the zoom values are chosen to be like in Mozilla Firefox 3
	if (!m_zoomLevels.count()) {
	m_zoomLevels << 0.3 << 0.5 << 0.67 << 0.8 << 0.9;
	m_zoomLevels << 1;
	m_zoomLevels << 1.1 << 1.2 << 1.33 << 1.5 << 1.7 << 2 << 2.4 << 3;
	}

	if (m_windowOptions.startMaximized)
	setWindowState(windowState() \| Qt::WindowMaximized);
	else
	resize(800, 600);
	show();
	}

	void BrowserWindow::load(const QString& url)
	{
	m_addressBar->setText(url);
	m_browser->load(url);
	}

	QWKPage* BrowserWindow::page()
	{
	return m_browser->view()->page();
	}

	BrowserWindow* BrowserWindow::newWindow(const QString& url)
	{
	BrowserWindow* window;
	if (m_windowOptions.useSeparateWebProcessPerWindow) {
	QWKContext* context = new QWKContext();
	window = new BrowserWindow(context);
	context->setParent(window);
	} else
	window = new BrowserWindow(m_context);

	window->load(url);
	return window;
	}

	void BrowserWindow::openLocation()
	{
	m_addressBar->selectAll();
	m_addressBar->setFocus();
	}

	void BrowserWindow::changeLocation()
	{
	QString string = m_addressBar->text();
	m_browser->load(string);
	}

	void BrowserWindow::loadProgress(int progress)
	{
	QColor backgroundColor = QApplication::palette().color(QPalette::Base);
	QColor progressColor = QColor(120, 180, 240);
	QPalette pallete = m_addressBar->palette();

	if (progress <= 0 \|\| progress >= 100)
	pallete.setBrush(QPalette::Base, backgroundColor);
	else {
	QLinearGradient gradient(0, 0, width(), 0);
	gradient.setColorAt(0, progressColor);
	gradient.setColorAt(((double) progress) / 100, progressColor);
	if (progress != 100)
	gradient.setColorAt((double) progress / 100 + 0.001, backgroundColor);
	pallete.setBrush(QPalette::Base, gradient);
	}
	m_addressBar->setPalette(pallete);
	}

	void BrowserWindow::urlChanged(const QUrl& url)
	{
	m_addressBar->setText(url.toString());
	m_browser->setFocus();
	m_browser->view()->setFocus();
	}

	void BrowserWindow::openFile()
	{
	#ifndef QT_NO_FILEDIALOG
	static const QString filter("HTML Files (.htm .html .xhtml);;Text Files (.txt);;Image Files (.gif .jpg .png);;SVG Files (.svg);;All Files (*)");

	QFileDialog fileDialog(this, tr("Open"), QString(), filter);
	fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
	fileDialog.setFileMode(QFileDialog::ExistingFile);
	fileDialog.setOptions(QFileDialog::ReadOnly);

	if (fileDialog.exec()) {
	QString selectedFile = fileDialog.selectedFiles()[0];
	if (!selectedFile.isEmpty())
	load(selectedFile);
	}
	#endif
	}

	void BrowserWindow::screenshot()
	{
	QPixmap pixmap = QPixmap::grabWidget(m_browser);
	QLabel* label = 0;
	#if !defined(Q_OS_SYMBIAN)
	label = new QLabel;
	label->setAttribute(Qt::WA_DeleteOnClose);
	label->setWindowTitle("Screenshot - Preview");
	label->setPixmap(pixmap);
	label->show();
	#endif

	#ifndef QT_NO_FILEDIALOG
	QString fileName = QFileDialog::getSaveFileName(label, "Screenshot", QString(), QString("PNG File (.png)"));
	if (!fileName.isEmpty()) {
	QRegExp rx("*.png");
	rx.setCaseSensitivity(Qt::CaseInsensitive);
	rx.setPatternSyntax(QRegExp::Wildcard);

	if (!rx.exactMatch(fileName))
	fileName += ".png";

	pixmap.save(fileName, "png");
	if (label)
	label->setWindowTitle(QString("Screenshot - Saved at %1").arg(fileName));
	}
	#endif
	}

	void BrowserWindow::zoomIn()
	{
	if (m_isZoomTextOnly)
	m_currentZoom = page()->textZoomFactor();
	else
	m_currentZoom = page()->pageZoomFactor();

	int i = m_zoomLevels.indexOf(m_currentZoom);
	Q_ASSERT(i >= 0);
	if (i < m_zoomLevels.count() - 1)
	m_currentZoom = m_zoomLevels[i + 1];

	applyZoom();
	}

	void BrowserWindow::zoomOut()
	{
	if (m_isZoomTextOnly)
	m_currentZoom = page()->textZoomFactor();
	else
	m_currentZoom = page()->pageZoomFactor();

	int i = m_zoomLevels.indexOf(m_currentZoom);
	Q_ASSERT(i >= 0);
	if (i > 0)
	m_currentZoom = m_zoomLevels[i - 1];

	applyZoom();
	}

	void BrowserWindow::resetZoom()
	{
	m_currentZoom = 1;
	applyZoom();
	}

	void BrowserWindow::toggleZoomTextOnly(bool b)
	{
	m_isZoomTextOnly = b;
	}

	void BrowserWindow::toggleFullScreenMode(bool enable)
	{
	bool alreadyEnabled = windowState() & Qt::WindowFullScreen;
	if (enable ^ alreadyEnabled)
	setWindowState(windowState() ^ Qt::WindowFullScreen);
	}

	void BrowserWindow::toggleFrameFlattening(bool toggle)
	{
	page()->preferences()->setAttribute(QWKPreferences::FrameFlatteningEnabled, toggle);
	}


	void BrowserWindow::showUserAgentDialog()
	{
	updateUserAgentList();

	QDialog dialog(this);
	dialog.setWindowTitle("Change User Agent");
	dialog.resize(size().width() * 0.7, dialog.size().height());
	QVBoxLayout* layout = new QVBoxLayout(&dialog);
	dialog.setLayout(layout);

	QComboBox* combo = new QComboBox(&dialog);
	combo->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLength);
	combo->setEditable(true);
	combo->insertItems(0, m_userAgentList);
	layout->addWidget(combo);

	int index = combo->findText(page()->customUserAgent());
	combo->setCurrentIndex(index);

	QDialogButtonBox* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok \| QDialogButtonBox::Cancel
	, Qt::Horizontal, &dialog);
	connect(buttonBox, SIGNAL(accepted()), &dialog, SLOT(accept()));
	connect(buttonBox, SIGNAL(rejected()), &dialog, SLOT(reject()));
	layout->addWidget(buttonBox);

	if (dialog.exec() && !combo->currentText().isEmpty())
	page()->setCustomUserAgent(combo->currentText());
	}

	void BrowserWindow::loadURLListFromFile()
	{
	QString selectedFile;
	#ifndef QT_NO_FILEDIALOG
	selectedFile = QFileDialog::getOpenFileName(this, tr("Load URL list from file")
	, QString(), tr("Text Files (.txt);;All Files ()"));
	#endif
	if (selectedFile.isEmpty())
	return;

	m_urlLoader = new UrlLoader(this, selectedFile, 0, 0);
	m_urlLoader->loadNext();
	}

	void BrowserWindow::printURL(const QUrl& url)
	{
	QTextStream output(stdout);
	output << "Loaded: " << url.toString() << endl;
	}

	void BrowserWindow::toggleDisableJavaScript(bool enable)
	{
	page()->preferences()->setAttribute(QWKPreferences::JavascriptEnabled, !enable);
	}

	void BrowserWindow::toggleAutoLoadImages(bool enable)
	{
	page()->preferences()->setAttribute(QWKPreferences::AutoLoadImages, !enable);
	}

	void BrowserWindow::updateUserAgentList()
	{
	QFile file(":/useragentlist.txt");

	if (file.open(QIODevice::ReadOnly)) {
	while (!file.atEnd()) {
	QString agent = file.readLine().trimmed();
	if (!m_userAgentList.contains(agent))
	m_userAgentList << agent;
	}
	file.close();
	}

	Q_ASSERT(!m_userAgentList.isEmpty());
	QWKPage* wkPage = page();
	if (!(wkPage->customUserAgent().isEmpty() \|\| m_userAgentList.contains(wkPage->customUserAgent())))
	m_userAgentList << wkPage->customUserAgent();
	}

	void BrowserWindow::applyZoom()
	{
	if (m_isZoomTextOnly)
	page()->setTextZoomFactor(m_currentZoom);
	else
	page()->setPageZoomFactor(m_currentZoom);
	}

	BrowserWindow::~BrowserWindow()
	{
	delete m_urlLoader;
	delete m_addressBar;
	delete m_browser;
	}