Tools/QtTestBrowser/webpage.cpp - external/Webkit - Git at Google

 /*
  * Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
  * Copyright (C) 2006 George Staikos <staikos@kde.org>
  * Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2006 Zack Rusin <zack@kde.org>
  * Copyright (C) 2006 Simon Hausmann <hausmann@kde.org>
  *
  * 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 "webpage.h"

 #include "launcherwindow.h"

 #include <QAction>
 #include <QApplication>
 #include <QAuthenticator>
 #ifndef QT_NO_DESKTOPSERVICES
 #include <QDesktopServices>
 #endif
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QLabel>
 #include <QLayout>
 #ifndef QT_NO_LINEEDIT
 #include <QLineEdit>
 #endif
 #include <QProgressBar>
 #include <QtNetwork/QNetworkReply>
 #include <QtNetwork/QNetworkRequest>
 #include <QtNetwork/QNetworkProxy>

 WebPage::WebPage(QObject* parent)
     : QWebPage(parent)
     , m_userAgent()
     , m_interruptingJavaScriptEnabled(false)
 {
     applyProxy();

     connect(networkAccessManager(), SIGNAL(authenticationRequired(QNetworkReply*, QAuthenticator*)),
             this, SLOT(authenticationRequired(QNetworkReply*, QAuthenticator*)));
     connect(this, SIGNAL(featurePermissionRequested(QWebFrame*, QWebPage::Feature)), this, SLOT(requestPermission(QWebFrame*, QWebPage::Feature)));
     connect(this, SIGNAL(featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)), this, SLOT(featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)));
 }

 void WebPage::applyProxy()
 {
     QUrl proxyUrl(qgetenv("http_proxy"));

     if (proxyUrl.isValid() && !proxyUrl.host().isEmpty()) {
         int proxyPort = (proxyUrl.port() > 0) ? proxyUrl.port() : 8080;
         networkAccessManager()->setProxy(QNetworkProxy(QNetworkProxy::HttpProxy, proxyUrl.host(), proxyPort));
     }
 }

 bool WebPage::supportsExtension(QWebPage::Extension extension) const
 {
     if (extension == QWebPage::ErrorPageExtension)
         return true;
     return false;
 }

 bool WebPage::extension(Extension extension, const ExtensionOption* option, ExtensionReturn* output)
 {
     const QWebPage::ErrorPageExtensionOption* info = static_cast<const QWebPage::ErrorPageExtensionOption*>(option);
     QWebPage::ErrorPageExtensionReturn* errorPage = static_cast<QWebPage::ErrorPageExtensionReturn*>(output);

     errorPage->content = QString("<html><head><title>Failed loading page</title></head><body>%1</body></html>")
         .arg(info->errorString).toUtf8();

     return true;
 }

 bool WebPage::acceptNavigationRequest(QWebFrame* frame, const QNetworkRequest& request, NavigationType type)
 {
     QObject* view = parent();

     QVariant value = view->property("keyboardModifiers");

     if (!value.isNull()) {
         Qt::KeyboardModifiers modifiers = Qt::KeyboardModifiers(value.toInt());

         if (modifiers & Qt::ShiftModifier) {
             QWebPage* page = createWindow(QWebPage::WebBrowserWindow);
             page->mainFrame()->load(request);
             return false;
         }

         if (modifiers & Qt::AltModifier) {
             openUrlInDefaultBrowser(request.url());
             return false;
         }
     }

     return QWebPage::acceptNavigationRequest(frame, request, type);
 }

 void WebPage::openUrlInDefaultBrowser(const QUrl& url)
 {
 #ifndef QT_NO_DESKTOPSERVICES
     if (QAction* action = qobject_cast<QAction*>(sender()))
         QDesktopServices::openUrl(action->data().toUrl());
     else
         QDesktopServices::openUrl(url);
 #endif
 }

 QString WebPage::userAgentForUrl(const QUrl& url) const
 {
     if (!m_userAgent.isEmpty())
         return m_userAgent;
     return QWebPage::userAgentForUrl(url);
 }

 bool WebPage::shouldInterruptJavaScript()
 {
     if (!m_interruptingJavaScriptEnabled)
         return false;
     return QWebPage::shouldInterruptJavaScript();
 }

 void WebPage::authenticationRequired(QNetworkReply* reply, QAuthenticator* authenticator)
 {
     QDialog* dialog = new QDialog(QApplication::activeWindow());
     dialog->setWindowTitle("HTTP Authentication");

     QGridLayout* layout = new QGridLayout(dialog);
     dialog->setLayout(layout);

     QLabel* messageLabel = new QLabel(dialog);
     messageLabel->setWordWrap(true);
     QString messageStr = QString("Enter with username and password for: %1");
     messageLabel->setText(messageStr.arg(reply->url().toString()));
     layout->addWidget(messageLabel, 0, 1);

 #ifndef QT_NO_LINEEDIT
     QLabel* userLabel = new QLabel("Username:", dialog);
     layout->addWidget(userLabel, 1, 0);
     QLineEdit* userInput = new QLineEdit(dialog);
     layout->addWidget(userInput, 1, 1);

     QLabel* passLabel = new QLabel("Password:", dialog);
     layout->addWidget(passLabel, 2, 0);
     QLineEdit* passInput = new QLineEdit(dialog);
     passInput->setEchoMode(QLineEdit::Password);
     layout->addWidget(passInput, 2, 1);
 #endif

     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, 3, 1);

     if (dialog->exec() == QDialog::Accepted) {
 #ifndef QT_NO_LINEEDIT
         authenticator->setUser(userInput->text());
         authenticator->setPassword(passInput->text());
 #endif
     }

     delete dialog;
 }

 void WebPage::requestPermission(QWebFrame* frame, QWebPage::Feature feature)
 {
     setFeaturePermission(frame, feature, PermissionGrantedByUser);
 }

 void WebPage::featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)
 {
 }

 QWebPage* WebPage::createWindow(QWebPage::WebWindowType type)
 {
     LauncherWindow* mw = new LauncherWindow;
     if (type == WebModalDialog)
         mw->setWindowModality(Qt::ApplicationModal);
     mw->show();
     return mw->page();
 }

 QObject* WebPage::createPlugin(const QString &classId, const QUrl&, const QStringList&, const QStringList&)
 {
     if (classId == "alien_QLabel") {
         QLabel* l = new QLabel;
         l->winId();
         return l;
     }

     if (classId == QLatin1String("QProgressBar"))
         return new QProgressBar(view());
     if (classId == QLatin1String("QLabel"))
         return new QLabel(view());
     return 0;
 }
	/*
	* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
	* Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
	* Copyright (C) 2006 George Staikos <staikos@kde.org>
	* Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
	* Copyright (C) 2006 Zack Rusin <zack@kde.org>
	* Copyright (C) 2006 Simon Hausmann <hausmann@kde.org>
	*
	* 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 "webpage.h"

	#include "launcherwindow.h"

	#include <QAction>
	#include <QApplication>
	#include <QAuthenticator>
	#ifndef QT_NO_DESKTOPSERVICES
	#include <QDesktopServices>
	#endif
	#include <QDialog>
	#include <QDialogButtonBox>
	#include <QLabel>
	#include <QLayout>
	#ifndef QT_NO_LINEEDIT
	#include <QLineEdit>
	#endif
	#include <QProgressBar>
	#include <QtNetwork/QNetworkReply>
	#include <QtNetwork/QNetworkRequest>
	#include <QtNetwork/QNetworkProxy>

	WebPage::WebPage(QObject* parent)
	: QWebPage(parent)
	, m_userAgent()
	, m_interruptingJavaScriptEnabled(false)
	{
	applyProxy();

	connect(networkAccessManager(), SIGNAL(authenticationRequired(QNetworkReply, QAuthenticator)),
	this, SLOT(authenticationRequired(QNetworkReply, QAuthenticator)));
	connect(this, SIGNAL(featurePermissionRequested(QWebFrame, QWebPage::Feature)), this, SLOT(requestPermission(QWebFrame, QWebPage::Feature)));
	connect(this, SIGNAL(featurePermissionRequestCanceled(QWebFrame, QWebPage::Feature)), this, SLOT(featurePermissionRequestCanceled(QWebFrame, QWebPage::Feature)));
	}

	void WebPage::applyProxy()
	{
	QUrl proxyUrl(qgetenv("http_proxy"));

	if (proxyUrl.isValid() && !proxyUrl.host().isEmpty()) {
	int proxyPort = (proxyUrl.port() > 0) ? proxyUrl.port() : 8080;
	networkAccessManager()->setProxy(QNetworkProxy(QNetworkProxy::HttpProxy, proxyUrl.host(), proxyPort));
	}
	}

	bool WebPage::supportsExtension(QWebPage::Extension extension) const
	{
	if (extension == QWebPage::ErrorPageExtension)
	return true;
	return false;
	}

	bool WebPage::extension(Extension extension, const ExtensionOption* option, ExtensionReturn* output)
	{
	const QWebPage::ErrorPageExtensionOption* info = static_cast<const QWebPage::ErrorPageExtensionOption*>(option);
	QWebPage::ErrorPageExtensionReturn* errorPage = static_cast<QWebPage::ErrorPageExtensionReturn*>(output);

	errorPage->content = QString("<html><head><title>Failed loading page</title></head><body>%1</body></html>")
	.arg(info->errorString).toUtf8();

	return true;
	}

	bool WebPage::acceptNavigationRequest(QWebFrame* frame, const QNetworkRequest& request, NavigationType type)
	{
	QObject* view = parent();

	QVariant value = view->property("keyboardModifiers");

	if (!value.isNull()) {
	Qt::KeyboardModifiers modifiers = Qt::KeyboardModifiers(value.toInt());

	if (modifiers & Qt::ShiftModifier) {
	QWebPage* page = createWindow(QWebPage::WebBrowserWindow);
	page->mainFrame()->load(request);
	return false;
	}

	if (modifiers & Qt::AltModifier) {
	openUrlInDefaultBrowser(request.url());
	return false;
	}
	}

	return QWebPage::acceptNavigationRequest(frame, request, type);
	}

	void WebPage::openUrlInDefaultBrowser(const QUrl& url)
	{
	#ifndef QT_NO_DESKTOPSERVICES
	if (QAction* action = qobject_cast<QAction*>(sender()))
	QDesktopServices::openUrl(action->data().toUrl());
	else
	QDesktopServices::openUrl(url);
	#endif
	}

	QString WebPage::userAgentForUrl(const QUrl& url) const
	{
	if (!m_userAgent.isEmpty())
	return m_userAgent;
	return QWebPage::userAgentForUrl(url);
	}

	bool WebPage::shouldInterruptJavaScript()
	{
	if (!m_interruptingJavaScriptEnabled)
	return false;
	return QWebPage::shouldInterruptJavaScript();
	}

	void WebPage::authenticationRequired(QNetworkReply* reply, QAuthenticator* authenticator)
	{
	QDialog* dialog = new QDialog(QApplication::activeWindow());
	dialog->setWindowTitle("HTTP Authentication");

	QGridLayout* layout = new QGridLayout(dialog);
	dialog->setLayout(layout);

	QLabel* messageLabel = new QLabel(dialog);
	messageLabel->setWordWrap(true);
	QString messageStr = QString("Enter with username and password for: %1");
	messageLabel->setText(messageStr.arg(reply->url().toString()));
	layout->addWidget(messageLabel, 0, 1);

	#ifndef QT_NO_LINEEDIT
	QLabel* userLabel = new QLabel("Username:", dialog);
	layout->addWidget(userLabel, 1, 0);
	QLineEdit* userInput = new QLineEdit(dialog);
	layout->addWidget(userInput, 1, 1);

	QLabel* passLabel = new QLabel("Password:", dialog);
	layout->addWidget(passLabel, 2, 0);
	QLineEdit* passInput = new QLineEdit(dialog);
	passInput->setEchoMode(QLineEdit::Password);
	layout->addWidget(passInput, 2, 1);
	#endif

	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, 3, 1);

	if (dialog->exec() == QDialog::Accepted) {
	#ifndef QT_NO_LINEEDIT
	authenticator->setUser(userInput->text());
	authenticator->setPassword(passInput->text());
	#endif
	}

	delete dialog;
	}

	void WebPage::requestPermission(QWebFrame* frame, QWebPage::Feature feature)
	{
	setFeaturePermission(frame, feature, PermissionGrantedByUser);
	}

	void WebPage::featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)
	{
	}

	QWebPage* WebPage::createWindow(QWebPage::WebWindowType type)
	{
	LauncherWindow* mw = new LauncherWindow;
	if (type == WebModalDialog)
	mw->setWindowModality(Qt::ApplicationModal);
	mw->show();
	return mw->page();
	}

	QObject* WebPage::createPlugin(const QString &classId, const QUrl&, const QStringList&, const QStringList&)
	{
	if (classId == "alien_QLabel") {
	QLabel* l = new QLabel;
	l->winId();
	return l;
	}

	if (classId == QLatin1String("QProgressBar"))
	return new QProgressBar(view());
	if (classId == QLatin1String("QLabel"))
	return new QLabel(view());
	return 0;
	}