Tools/QtTestBrowser/webpage.cpp

   1 /*
   2  * Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
   3  * Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
   4  * Copyright (C) 2006 George Staikos <staikos@kde.org>
   5  * Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
   6  * Copyright (C) 2006 Zack Rusin <zack@kde.org>
   7  * Copyright (C) 2006 Simon Hausmann <hausmann@kde.org>
   8  *
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  28  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "webpage.h"
  34
  35 #include "launcherwindow.h"
  36
  37 #include <QAction>
  38 #include <QApplication>
  39 #include <QAuthenticator>
  40 #ifndef QT_NO_DESKTOPSERVICES
  41 #include <QDesktopServices>
  42 #endif
  43 #include <QDialog>
  44 #include <QDialogButtonBox>
  45 #include <QLabel>
  46 #include <QLayout>
  47 #ifndef QT_NO_LINEEDIT
  48 #include <QLineEdit>
  49 #endif
  50 #include <QProgressBar>
  51 #include <QtNetwork/QNetworkReply>
  52 #include <QtNetwork/QNetworkRequest>
  53 #include <QtNetwork/QNetworkProxy>
  54
  55 WebPage::WebPage(QObject* parent)
  56     : QWebPage(parent)
  57     , m_userAgent()
  58     , m_interruptingJavaScriptEnabled(false)
  59 {
  60     applyProxy();
  61
  62     connect(networkAccessManager(), SIGNAL(authenticationRequired(QNetworkReply*, QAuthenticator*)),
  63             this, SLOT(authenticationRequired(QNetworkReply*, QAuthenticator*)));
  64     connect(this, SIGNAL(featurePermissionRequested(QWebFrame*, QWebPage::Feature)), this, SLOT(requestPermission(QWebFrame*, QWebPage::Feature)));
  65     connect(this, SIGNAL(featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)), this, SLOT(featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)));
  66 }
  67
  68 void WebPage::applyProxy()
  69 {
  70     QUrl proxyUrl(qgetenv("http_proxy"));
  71
  72     if (proxyUrl.isValid() && !proxyUrl.host().isEmpty()) {
  73         int proxyPort = (proxyUrl.port() > 0) ? proxyUrl.port() : 8080;
  74         networkAccessManager()->setProxy(QNetworkProxy(QNetworkProxy::HttpProxy, proxyUrl.host(), proxyPort));
  75     }
  76 }
  77
  78 bool WebPage::supportsExtension(QWebPage::Extension extension) const
  79 {
  80     if (extension == QWebPage::ErrorPageExtension)
  81         return true;
  82     return false;
  83 }
  84
  85 bool WebPage::extension(Extension extension, const ExtensionOption* option, ExtensionReturn* output)
  86 {
  87     const QWebPage::ErrorPageExtensionOption* info = static_cast<const QWebPage::ErrorPageExtensionOption*>(option);
  88     QWebPage::ErrorPageExtensionReturn* errorPage = static_cast<QWebPage::ErrorPageExtensionReturn*>(output);
  89
  90     errorPage->content = QString("<html><head><title>Failed loading page</title></head><body>%1</body></html>")
  91         .arg(info->errorString).toUtf8();
  92
  93     return true;
  94 }
  95
  96 bool WebPage::acceptNavigationRequest(QWebFrame* frame, const QNetworkRequest& request, NavigationType type)
  97 {
  98     QObject* view = parent();
  99
 100     QVariant value = view->property("keyboardModifiers");
 101
 102     if (!value.isNull()) {
 103         Qt::KeyboardModifiers modifiers = Qt::KeyboardModifiers(value.toInt());
 104
 105         if (modifiers & Qt::ShiftModifier) {
 106             QWebPage* page = createWindow(QWebPage::WebBrowserWindow);
 107             page->mainFrame()->load(request);
 108             return false;
 109         }
 110
 111         if (modifiers & Qt::AltModifier) {
 112             openUrlInDefaultBrowser(request.url());
 113             return false;
 114         }
 115     }
 116
 117     return QWebPage::acceptNavigationRequest(frame, request, type);
 118 }
 119
 120 void WebPage::openUrlInDefaultBrowser(const QUrl& url)
 121 {
 122 #ifndef QT_NO_DESKTOPSERVICES
 123     if (QAction* action = qobject_cast<QAction*>(sender()))
 124         QDesktopServices::openUrl(action->data().toUrl());
 125     else
 126         QDesktopServices::openUrl(url);
 127 #endif
 128 }
 129
 130 QString WebPage::userAgentForUrl(const QUrl& url) const
 131 {
 132     if (!m_userAgent.isEmpty())
 133         return m_userAgent;
 134     return QWebPage::userAgentForUrl(url);
 135 }
 136
 137 bool WebPage::shouldInterruptJavaScript()
 138 {
 139     if (!m_interruptingJavaScriptEnabled)
 140         return false;
 141     return QWebPage::shouldInterruptJavaScript();
 142 }
 143
 144 void WebPage::authenticationRequired(QNetworkReply* reply, QAuthenticator* authenticator)
 145 {
 146     QDialog* dialog = new QDialog(QApplication::activeWindow());
 147     dialog->setWindowTitle("HTTP Authentication");
 148
 149     QGridLayout* layout = new QGridLayout(dialog);
 150     dialog->setLayout(layout);
 151
 152     QLabel* messageLabel = new QLabel(dialog);
 153     messageLabel->setWordWrap(true);
 154     QString messageStr = QString("Enter with username and password for: %1");
 155     messageLabel->setText(messageStr.arg(reply->url().toString()));
 156     layout->addWidget(messageLabel, 0, 1);
 157
 158 #ifndef QT_NO_LINEEDIT
 159     QLabel* userLabel = new QLabel("Username:", dialog);
 160     layout->addWidget(userLabel, 1, 0);
 161     QLineEdit* userInput = new QLineEdit(dialog);
 162     layout->addWidget(userInput, 1, 1);
 163
 164     QLabel* passLabel = new QLabel("Password:", dialog);
 165     layout->addWidget(passLabel, 2, 0);
 166     QLineEdit* passInput = new QLineEdit(dialog);
 167     passInput->setEchoMode(QLineEdit::Password);
 168     layout->addWidget(passInput, 2, 1);
 169 #endif
 170
 171     QDialogButtonBox* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
 172             | QDialogButtonBox::Cancel, Qt::Horizontal, dialog);
 173     connect(buttonBox, SIGNAL(accepted()), dialog, SLOT(accept()));
 174     connect(buttonBox, SIGNAL(rejected()), dialog, SLOT(reject()));
 175     layout->addWidget(buttonBox, 3, 1);
 176
 177     if (dialog->exec() == QDialog::Accepted) {
 178 #ifndef QT_NO_LINEEDIT
 179         authenticator->setUser(userInput->text());
 180         authenticator->setPassword(passInput->text());
 181 #endif
 182     }
 183
 184     delete dialog;
 185 }
 186
 187 void WebPage::requestPermission(QWebFrame* frame, QWebPage::Feature feature)
 188 {
 189     setFeaturePermission(frame, feature, PermissionGrantedByUser);
 190 }
 191
 192 void WebPage::featurePermissionRequestCanceled(QWebFrame*, QWebPage::Feature)
 193 {
 194 }
 195
 196 QWebPage* WebPage::createWindow(QWebPage::WebWindowType type)
 197 {
 198     LauncherWindow* mw = new LauncherWindow;
 199     if (type == WebModalDialog)
 200         mw->setWindowModality(Qt::ApplicationModal);
 201     mw->show();
 202     return mw->page();
 203 }
 204
 205 QObject* WebPage::createPlugin(const QString &classId, const QUrl&, const QStringList&, const QStringList&)
 206 {
 207     if (classId == "alien_QLabel") {
 208         QLabel* l = new QLabel;
 209         l->winId();
 210         return l;
 211     }
 212
 213     if (classId == QLatin1String("QProgressBar"))
 214         return new QProgressBar(view());
 215     if (classId == QLatin1String("QLabel"))
 216         return new QLabel(view());
 217     return 0;
 218 }
 219