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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "browserapplication.h"
+#include "browsermainwindow.h"
+#include "cookiejar.h"
+#include "downloadmanager.h"
+#include "networkaccessmanager.h"
+#include "ui_passworddialog.h"
+#include "ui_proxy.h"
+#include "tabwidget.h"
+#include "webview.h"
+
+#include <QtGui/QClipboard>
+#include <QtNetwork/QAuthenticator>
+#include <QtWidgets/QMenu>
+#include <QtWidgets/QMessageBox>
+#include <QtGui/QMouseEvent>
+
+#include <QWebEngineHitTestResult>
+
+#ifndef QT_NO_UITOOLS
+#include <QtUiTools/QUiLoader>
+#endif //QT_NO_UITOOLS
+
+#include <QtCore/QDebug>
+#include <QtCore/QBuffer>
+
+WebPage::WebPage(QObject *parent)
+ : QWebEnginePage(parent)
+ , m_keyboardModifiers(Qt::NoModifier)
+ , m_pressedButtons(Qt::NoButton)
+ , m_openInNewTab(false)
+{
+#if defined(QWEBENGINEPAGE_SETNETWORKACCESSMANAGER)
+ setNetworkAccessManager(BrowserApplication::networkAccessManager());
+#endif
+ connect(this, SIGNAL(unsupportedContent(QNetworkReply*)),
+ this, SLOT(handleUnsupportedContent(QNetworkReply*)));
+ connect(this, SIGNAL(authenticationRequired(const QUrl &, QAuthenticator*)),
+ SLOT(authenticationRequired(const QUrl &, QAuthenticator*)));
+ connect(this, SIGNAL(proxyAuthenticationRequired(const QUrl &, QAuthenticator *, const QString &)),
+ SLOT(proxyAuthenticationRequired(const QUrl &, QAuthenticator *, const QString &)));
+}
+
+BrowserMainWindow *WebPage::mainWindow()
+{
+ QObject *w = this->parent();
+ while (w) {
+ if (BrowserMainWindow *mw = qobject_cast<BrowserMainWindow*>(w))
+ return mw;
+ w = w->parent();
+ }
+ return BrowserApplication::instance()->mainWindow();
+}
+
+bool WebPage::acceptNavigationRequest(QWebEngineFrame *frame, const QNetworkRequest &request, NavigationType type)
+{
+#if defined(QWEBENGINEPAGE_ACCEPTNAVIGATIONREQUEST)
+ // ctrl open in new tab
+ // ctrl-shift open in new tab and select
+ // ctrl-alt open in new window
+ if (type == QWebEnginePage::NavigationTypeLinkClicked
+ && (m_keyboardModifiers & Qt::ControlModifier
+ || m_pressedButtons == Qt::MidButton)) {
+ bool newWindow = (m_keyboardModifiers & Qt::AltModifier);
+ WebView *webView;
+ if (newWindow) {
+ BrowserApplication::instance()->newMainWindow();
+ BrowserMainWindow *newMainWindow = BrowserApplication::instance()->mainWindow();
+ webView = newMainWindow->currentTab();
+ newMainWindow->raise();
+ newMainWindow->activateWindow();
+ webView->setFocus();
+ } else {
+ bool selectNewTab = (m_keyboardModifiers & Qt::ShiftModifier);
+ webView = mainWindow()->tabWidget()->newTab(selectNewTab);
+ }
+ webView->load(request);
+ m_keyboardModifiers = Qt::NoModifier;
+ m_pressedButtons = Qt::NoButton;
+ return false;
+ }
+ m_loadingUrl = request.url();
+ emit loadingUrl(m_loadingUrl);
+#endif
+ return QWebEnginePage::acceptNavigationRequest(frame, request, type);
+}
+
+class PopupWindow : public QWidget {
+ Q_OBJECT
+public:
+ PopupWindow()
+ : m_addressBar(new QLineEdit(this))
+ , m_view(new WebView(this))
+ {
+ QVBoxLayout *layout = new QVBoxLayout;
+ layout->setMargin(0);
+ setLayout(layout);
+ layout->addWidget(m_addressBar);
+ layout->addWidget(m_view);
+ m_view->setFocus();
+
+ connect(m_view, &WebView::titleChanged, this, &QWidget::setWindowTitle);
+ connect(m_view, &WebView::urlChanged, this, &PopupWindow::setUrl);
+ connect(page(), &WebPage::geometryChangeRequested, this, &PopupWindow::adjustGeometry);
+ connect(page(), &WebPage::windowCloseRequested, this, &QWidget::close);
+ }
+
+ QWebEnginePage* page() const { return m_view->page(); }
+
+private Q_SLOTS:
+ void setUrl(const QUrl &url)
+ {
+ m_addressBar->setText(url.toString());
+ }
+
+ void adjustGeometry(const QRect &newGeometry)
+ {
+ const int x1 = frameGeometry().left() - geometry().left();
+ const int y1 = frameGeometry().top() - geometry().top();
+ const int x2 = frameGeometry().right() - geometry().right();
+ const int y2 = frameGeometry().bottom() - geometry().bottom();
+
+ setGeometry(newGeometry.adjusted(x1, y1 - m_addressBar->height(), x2, y2));
+ }
+
+private:
+ QLineEdit *m_addressBar;
+ WebView *m_view;
+
+};
+
+#include "webview.moc"
+
+QWebEnginePage *WebPage::createWindow(QWebEnginePage::WebWindowType type)
+{
+ if (m_keyboardModifiers & Qt::ControlModifier || m_pressedButtons == Qt::MidButton)
+ m_openInNewTab = true;
+ if (m_openInNewTab) {
+ m_openInNewTab = false;
+ return mainWindow()->tabWidget()->newTab()->page();
+ }
+ if (type == QWebEnginePage::WebBrowserWindow) {
+ BrowserApplication::instance()->newMainWindow();
+ BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
+ return mainWindow->currentTab()->page();
+ } else {
+ PopupWindow *popup = new PopupWindow;
+ popup->setAttribute(Qt::WA_DeleteOnClose);
+ popup->show();
+ return popup->page();
+ }
+}
+
+#if !defined(QT_NO_UITOOLS)
+QObject *WebPage::createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues)
+{
+ Q_UNUSED(url);
+ Q_UNUSED(paramNames);
+ Q_UNUSED(paramValues);
+ QUiLoader loader;
+ return loader.createWidget(classId, view());
+}
+#endif // !defined(QT_NO_UITOOLS)
+
+void WebPage::handleUnsupportedContent(QNetworkReply *reply)
+{
+#if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT)
+ QString errorString = reply->errorString();
+
+ if (m_loadingUrl != reply->url()) {
+ // sub resource of this page
+ qWarning() << "Resource" << reply->url().toEncoded() << "has unknown Content-Type, will be ignored.";
+ reply->deleteLater();
+ return;
+ }
+
+ if (reply->error() == QNetworkReply::NoError && !reply->header(QNetworkRequest::ContentTypeHeader).isValid()) {
+ errorString = "Unknown Content-Type";
+ }
+
+ QFile file(QLatin1String(":/notfound.html"));
+ bool isOpened = file.open(QIODevice::ReadOnly);
+ Q_ASSERT(isOpened);
+ Q_UNUSED(isOpened)
+
+ QString title = tr("Error loading page: %1").arg(reply->url().toString());
+ QString html = QString(QLatin1String(file.readAll()))
+ .arg(title)
+ .arg(errorString)
+ .arg(reply->url().toString());
+
+ QBuffer imageBuffer;
+ imageBuffer.open(QBuffer::ReadWrite);
+ QIcon icon = view()->style()->standardIcon(QStyle::SP_MessageBoxWarning, 0, view());
+ QPixmap pixmap = icon.pixmap(QSize(32,32));
+ if (pixmap.save(&imageBuffer, "PNG")) {
+ html.replace(QLatin1String("IMAGE_BINARY_DATA_HERE"),
+ QString(QLatin1String(imageBuffer.buffer().toBase64())));
+ }
+
+ QList<QWebEngineFrame*> frames;
+ frames.append(mainFrame());
+ while (!frames.isEmpty()) {
+ QWebEngineFrame *frame = frames.takeFirst();
+ if (frame->url() == reply->url()) {
+ frame->setHtml(html, reply->url());
+ return;
+ }
+ QList<QWebEngineFrame *> children = frame->childFrames();
+ foreach (QWebEngineFrame *frame, children)
+ frames.append(frame);
+ }
+ if (m_loadingUrl == reply->url()) {
+ mainFrame()->setHtml(html, reply->url());
+ }
+#endif
+}
+
+void WebPage::authenticationRequired(const QUrl &requestUrl, QAuthenticator *auth)
+{
+ BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
+
+ QDialog dialog(mainWindow);
+ dialog.setWindowFlags(Qt::Sheet);
+
+ Ui::PasswordDialog passwordDialog;
+ passwordDialog.setupUi(&dialog);
+
+ passwordDialog.iconLabel->setText(QString());
+ passwordDialog.iconLabel->setPixmap(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow).pixmap(32, 32));
+
+ QString introMessage = tr("<qt>Enter username and password for \"%1\" at %2</qt>");
+ introMessage = introMessage.arg(auth->realm()).arg(requestUrl.toString().toHtmlEscaped());
+ passwordDialog.introLabel->setText(introMessage);
+ passwordDialog.introLabel->setWordWrap(true);
+
+ if (dialog.exec() == QDialog::Accepted) {
+ auth->setUser(passwordDialog.userNameLineEdit->text());
+ auth->setPassword(passwordDialog.passwordLineEdit->text());
+ }
+}
+
+void WebPage::proxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth, const QString &proxyHost)
+{
+ BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
+
+ QDialog dialog(mainWindow);
+ dialog.setWindowFlags(Qt::Sheet);
+
+ Ui::ProxyDialog proxyDialog;
+ proxyDialog.setupUi(&dialog);
+
+ proxyDialog.iconLabel->setText(QString());
+ proxyDialog.iconLabel->setPixmap(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow).pixmap(32, 32));
+
+ QString introMessage = tr("<qt>Connect to proxy \"%1\" using:</qt>");
+ introMessage = introMessage.arg(proxyHost.toHtmlEscaped());
+ proxyDialog.introLabel->setText(introMessage);
+ proxyDialog.introLabel->setWordWrap(true);
+
+ if (dialog.exec() == QDialog::Accepted) {
+ auth->setUser(proxyDialog.userNameLineEdit->text());
+ auth->setPassword(proxyDialog.passwordLineEdit->text());
+ }
+}
+
+WebView::WebView(QWidget* parent)
+ : QWebEngineView(parent)
+ , m_progress(0)
+ , m_page(new WebPage(this))
+{
+ setPage(m_page);
+ connect(page(), SIGNAL(statusBarMessage(QString)),
+ SLOT(setStatusBarText(QString)));
+ connect(this, SIGNAL(loadProgress(int)),
+ this, SLOT(setProgress(int)));
+ connect(this, SIGNAL(loadFinished(bool)),
+ this, SLOT(loadFinished()));
+ connect(page(), SIGNAL(loadingUrl(QUrl)),
+ this, SIGNAL(urlChanged(QUrl)));
+ connect(page(), SIGNAL(downloadRequested(QNetworkRequest)),
+ this, SLOT(downloadRequested(QNetworkRequest)));
+#if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT)
+ page()->setForwardUnsupportedContent(true);
+#endif
+
+}
+
+void WebView::contextMenuEvent(QContextMenuEvent *event)
+{
+#if defined(QWEBENGINEPAGE_HITTESTCONTENT)
+ QWebEngineHitTestResult r = page()->hitTestContent(event->pos());
+ if (!r.linkUrl().isEmpty()) {
+ QMenu menu(this);
+ menu.addAction(pageAction(QWebEnginePage::OpenLinkInNewWindow));
+ menu.addAction(tr("Open in New Tab"), this, SLOT(openLinkInNewTab()));
+ menu.addSeparator();
+ menu.addAction(pageAction(QWebEnginePage::DownloadLinkToDisk));
+ // Add link to bookmarks...
+ menu.addSeparator();
+ menu.addAction(pageAction(QWebEnginePage::CopyLinkToClipboard));
+ if (page()->settings()->testAttribute(QWebEngineSettings::DeveloperExtrasEnabled))
+ menu.addAction(pageAction(QWebEnginePage::InspectElement));
+ menu.exec(mapToGlobal(event->pos()));
+ return;
+ }
+#endif
+ QWebEngineView::contextMenuEvent(event);
+}
+
+void WebView::wheelEvent(QWheelEvent *event)
+{
+#if defined(QWEBENGINEPAGE_SETTEXTSIZEMULTIPLIER)
+ if (QApplication::keyboardModifiers() & Qt::ControlModifier) {
+ int numDegrees = event->delta() / 8;
+ int numSteps = numDegrees / 15;
+ setTextSizeMultiplier(textSizeMultiplier() + numSteps * 0.1);
+ event->accept();
+ return;
+ }
+#endif
+ QWebEngineView::wheelEvent(event);
+}
+
+void WebView::openLinkInNewTab()
+{
+ m_page->m_openInNewTab = true;
+ pageAction(QWebEnginePage::OpenLinkInNewWindow)->trigger();
+}
+
+void WebView::setProgress(int progress)
+{
+ m_progress = progress;
+}
+
+void WebView::loadFinished()
+{
+ if (100 != m_progress) {
+ qWarning() << "Received finished signal while progress is still:" << progress()
+ << "Url:" << url();
+ }
+ m_progress = 0;
+}
+
+void WebView::loadUrl(const QUrl &url)
+{
+ m_initialUrl = url;
+ load(url);
+}
+
+QString WebView::lastStatusBarText() const
+{
+ return m_statusBarText;
+}
+
+QUrl WebView::url() const
+{
+ QUrl url = QWebEngineView::url();
+ if (!url.isEmpty())
+ return url;
+
+ return m_initialUrl;
+}
+
+void WebView::mousePressEvent(QMouseEvent *event)
+{
+ m_page->m_pressedButtons = event->buttons();
+ m_page->m_keyboardModifiers = event->modifiers();
+ QWebEngineView::mousePressEvent(event);
+}
+
+void WebView::mouseReleaseEvent(QMouseEvent *event)
+{
+ QWebEngineView::mouseReleaseEvent(event);
+ if (!event->isAccepted() && (m_page->m_pressedButtons & Qt::MidButton)) {
+ QUrl url(QApplication::clipboard()->text(QClipboard::Selection));
+ if (!url.isEmpty() && url.isValid() && !url.scheme().isEmpty()) {
+ setUrl(url);
+ }
+ }
+}
+
+void WebView::setStatusBarText(const QString &string)
+{
+ m_statusBarText = string;
+}
+
+void WebView::downloadRequested(const QNetworkRequest &request)
+{
+ BrowserApplication::downloadManager()->download(request);
+}