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Diffstat (limited to 'examples/webenginewidgets/demobrowser/webview.cpp')
| -rw-r--r-- | examples/webenginewidgets/demobrowser/webview.cpp | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/examples/webenginewidgets/demobrowser/webview.cpp b/examples/webenginewidgets/demobrowser/webview.cpp deleted file mode 100644 index 498df74fc..000000000 --- a/examples/webenginewidgets/demobrowser/webview.cpp +++ /dev/null @@ -1,470 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * 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. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "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 THE COPYRIGHT -** OWNER 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "browserapplication.h" -#include "browsermainwindow.h" -#include "cookiejar.h" -#include "downloadmanager.h" -#include "featurepermissionbar.h" -#include "ui_passworddialog.h" -#include "ui_proxy.h" -#include "tabwidget.h" -#include "webview.h" - -#include <QtGui/QClipboard> -#include <QtNetwork/QAuthenticator> -#include <QtNetwork/QNetworkReply> -#include <QtWidgets/QMenu> -#include <QtWidgets/QMessageBox> -#include <QtGui/QMouseEvent> - -#include <QWebEngineContextMenuData> - -#ifndef QT_NO_UITOOLS -#include <QtUiTools/QUiLoader> -#endif //QT_NO_UITOOLS - -#include <QtCore/QDebug> -#include <QtCore/QBuffer> -#include <QtCore/QTimer> - -WebPage::WebPage(QWebEngineProfile *profile, QObject *parent) - : QWebEnginePage(profile, parent) - , m_keyboardModifiers(Qt::NoModifier) - , m_pressedButtons(Qt::NoButton) -{ -#if defined(QWEBENGINEPAGE_SETNETWORKACCESSMANAGER) - setNetworkAccessManager(BrowserApplication::networkAccessManager()); -#endif -#if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT) - connect(this, SIGNAL(unsupportedContent(QNetworkReply*)), - this, SLOT(handleUnsupportedContent(QNetworkReply*))); -#endif - 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::certificateError(const QWebEngineCertificateError &error) -{ - if (error.isOverridable()) { - QMessageBox msgBox; - msgBox.setIcon(QMessageBox::Warning); - msgBox.setText(error.errorDescription()); - msgBox.setInformativeText(tr("If you wish so, you may continue with an unverified certificate. " - "Accepting an unverified certificate means " - "you may not be connected with the host you tried to connect to.\n" - "Do you wish to override the security check and continue?")); - msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No); - msgBox.setDefaultButton(QMessageBox::No); - return msgBox.exec() == QMessageBox::Yes; - } - QMessageBox::critical(view(), tr("Certificate Error"), error.errorDescription(), QMessageBox::Ok, QMessageBox::NoButton); - return false; -} - -class PopupWindow : public QWidget { - Q_OBJECT -public: - PopupWindow(QWebEngineProfile *profile) - : m_addressBar(new QLineEdit(this)) - , m_view(new WebView(this)) - { - m_view->setPage(new WebPage(profile, m_view)); - 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 (type == QWebEnginePage::WebBrowserTab) { - return mainWindow()->tabWidget()->newTab()->page(); - } else if (type == QWebEnginePage::WebBrowserBackgroundTab) { - return mainWindow()->tabWidget()->newTab(false)->page(); - } else if (type == QWebEnginePage::WebBrowserWindow) { - BrowserApplication::instance()->newMainWindow(); - BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow(); - return mainWindow->currentTab()->page(); - } else { - PopupWindow *popup = new PopupWindow(profile()); - 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 ¶mNames, const QStringList ¶mValues) -{ - Q_UNUSED(url); - Q_UNUSED(paramNames); - Q_UNUSED(paramValues); - QUiLoader loader; - return loader.createWidget(classId, view()); -} -#endif // !defined(QT_NO_UITOOLS) - -#if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT) -void WebPage::handleUnsupportedContent(QNetworkReply *reply) -{ - 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()); - } else { - // Set authenticator null if dialog is cancelled - *auth = QAuthenticator(); - } -} - -void WebPage::proxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth, const QString &proxyHost) -{ - Q_UNUSED(requestUrl); - 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()); - } else { - // Set authenticator null if dialog is cancelled - *auth = QAuthenticator(); - } -} - -WebView::WebView(QWidget* parent) - : QWebEngineView(parent) - , m_progress(0) - , m_page(0) -{ - connect(this, SIGNAL(loadProgress(int)), - this, SLOT(setProgress(int))); - connect(this, SIGNAL(loadFinished(bool)), - this, SLOT(loadFinished(bool))); - connect(this, &QWebEngineView::renderProcessTerminated, - [=](QWebEnginePage::RenderProcessTerminationStatus termStatus, int statusCode) { - const char *status = ""; - switch (termStatus) { - case QWebEnginePage::NormalTerminationStatus: - status = "(normal exit)"; - break; - case QWebEnginePage::AbnormalTerminationStatus: - status = "(abnormal exit)"; - break; - case QWebEnginePage::CrashedTerminationStatus: - status = "(crashed)"; - break; - case QWebEnginePage::KilledTerminationStatus: - status = "(killed)"; - break; - } - - qInfo() << "Render process exited with code" << statusCode << status; - QTimer::singleShot(0, [this] { reload(); }); - }); -} - -void WebView::setPage(WebPage *_page) -{ - if (m_page) - m_page->deleteLater(); - m_page = _page; - QWebEngineView::setPage(_page); -#if defined(QWEBENGINEPAGE_STATUSBARMESSAGE) - connect(page(), SIGNAL(statusBarMessage(QString)), - SLOT(setStatusBarText(QString))); -#endif - disconnect(page(), &QWebEnginePage::iconChanged, this, &WebView::iconChanged); - connect(page(), SIGNAL(iconChanged(QIcon)), - this, SLOT(onIconChanged(QIcon))); - connect(page(), &WebPage::featurePermissionRequested, this, &WebView::onFeaturePermissionRequested); -#if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT) - page()->setForwardUnsupportedContent(true); -#endif -} - -void WebView::contextMenuEvent(QContextMenuEvent *event) -{ - QMenu *menu; - if (page()->contextMenuData().linkUrl().isValid()) { - menu = new QMenu(this); - menu->setAttribute(Qt::WA_DeleteOnClose, true); - menu->addAction(page()->action(QWebEnginePage::OpenLinkInThisWindow)); - menu->addAction(page()->action(QWebEnginePage::OpenLinkInNewWindow)); - menu->addAction(page()->action(QWebEnginePage::OpenLinkInNewTab)); - menu->addAction(page()->action(QWebEnginePage::OpenLinkInNewBackgroundTab)); - menu->addSeparator(); - menu->addAction(page()->action(QWebEnginePage::DownloadLinkToDisk)); - menu->addAction(page()->action(QWebEnginePage::CopyLinkToClipboard)); - } else { - menu = page()->createStandardContextMenu(); - } - if (page()->contextMenuData().selectedText().isEmpty()) - menu->addAction(page()->action(QWebEnginePage::SavePage)); - menu->popup(event->globalPos()); -} - -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::onFeaturePermissionRequested(const QUrl &securityOrigin, QWebEnginePage::Feature feature) -{ - FeaturePermissionBar *permissionBar = new FeaturePermissionBar(this); - connect(permissionBar, &FeaturePermissionBar::featurePermissionProvided, page(), &QWebEnginePage::setFeaturePermission); - - // Discard the bar on new loads (if we navigate away or reload). - connect(page(), &QWebEnginePage::loadStarted, permissionBar, &QObject::deleteLater); - - permissionBar->requestPermission(securityOrigin, feature); -} - -void WebView::setProgress(int progress) -{ - m_progress = progress; -} - -void WebView::loadFinished(bool success) -{ - if (success && 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::onIconChanged(const QIcon &icon) -{ - if (icon.isNull()) - emit iconChanged(BrowserApplication::instance()->defaultIcon()); - else - emit iconChanged(icon); -} - -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; -} |