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Diffstat (limited to 'examples/webenginewidgets/browser/browserapplication.cpp')
| -rw-r--r-- | examples/webenginewidgets/browser/browserapplication.cpp | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/examples/webenginewidgets/browser/browserapplication.cpp b/examples/webenginewidgets/browser/browserapplication.cpp new file mode 100644 index 000000000..da96b65b9 --- /dev/null +++ b/examples/webenginewidgets/browser/browserapplication.cpp @@ -0,0 +1,472 @@ +/**************************************************************************** +** +** 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 "bookmarks.h" +#include "browsermainwindow.h" +#include "cookiejar.h" +#include "downloadmanager.h" +#include "history.h" +#include "networkaccessmanager.h" +#include "tabwidget.h" +#include "webview.h" + +#include <QtCore/QBuffer> +#include <QtCore/QDir> +#include <QtCore/QLibraryInfo> +#include <QtCore/QSettings> +#include <QtCore/QTextStream> +#include <QtCore/QTranslator> + +#include <QtGui/QDesktopServices> +#include <QtGui/QFileOpenEvent> +#include <QtWidgets/QMessageBox> + +#include <QtNetwork/QLocalServer> +#include <QtNetwork/QLocalSocket> +#include <QtNetwork/QNetworkProxy> +#include <QtNetwork/QSslSocket> + +#include <QWebEngineSettings> + +#include <QtCore/QDebug> + +DownloadManager *BrowserApplication::s_downloadManager = 0; +HistoryManager *BrowserApplication::s_historyManager = 0; +NetworkAccessManager *BrowserApplication::s_networkAccessManager = 0; +BookmarksManager *BrowserApplication::s_bookmarksManager = 0; + +BrowserApplication::BrowserApplication(int &argc, char **argv) + : QApplication(argc, argv) + , m_localServer(0) +{ + QCoreApplication::setOrganizationName(QLatin1String("Qt")); + QCoreApplication::setApplicationName(QLatin1String("demobrowser")); + QCoreApplication::setApplicationVersion(QLatin1String("0.1")); +#ifdef Q_WS_QWS + // Use a different server name for QWS so we can run an X11 + // browser and a QWS browser in parallel on the same machine for + // debugging + QString serverName = QCoreApplication::applicationName() + QLatin1String("_qws"); +#else + QString serverName = QCoreApplication::applicationName(); +#endif + QLocalSocket socket; + socket.connectToServer(serverName); + if (socket.waitForConnected(500)) { + QTextStream stream(&socket); + QStringList args = QCoreApplication::arguments(); + if (args.count() > 1) + stream << args.last(); + else + stream << QString(); + stream.flush(); + socket.waitForBytesWritten(); + return; + } + +#if defined(Q_WS_MAC) + QApplication::setQuitOnLastWindowClosed(false); +#else + QApplication::setQuitOnLastWindowClosed(true); +#endif + + m_localServer = new QLocalServer(this); + connect(m_localServer, SIGNAL(newConnection()), + this, SLOT(newLocalSocketConnection())); + if (!m_localServer->listen(serverName)) { + if (m_localServer->serverError() == QAbstractSocket::AddressInUseError + && QFile::exists(m_localServer->serverName())) { + QFile::remove(m_localServer->serverName()); + m_localServer->listen(serverName); + } + } + +#ifndef QT_NO_OPENSSL + if (!QSslSocket::supportsSsl()) { + QMessageBox::information(0, "Demo Browser", + "This system does not support OpenSSL. SSL websites will not be available."); + } +#endif + + QDesktopServices::setUrlHandler(QLatin1String("http"), this, "openUrl"); + QString localSysName = QLocale::system().name(); + + installTranslator(QLatin1String("qt_") + localSysName); + + QSettings settings; + settings.beginGroup(QLatin1String("sessions")); + m_lastSession = settings.value(QLatin1String("lastSession")).toByteArray(); + settings.endGroup(); + +#if defined(Q_WS_MAC) + connect(this, SIGNAL(lastWindowClosed()), + this, SLOT(lastWindowClosed())); +#endif + + QTimer::singleShot(0, this, SLOT(postLaunch())); +} + +BrowserApplication::~BrowserApplication() +{ + delete s_downloadManager; + for (int i = 0; i < m_mainWindows.size(); ++i) { + BrowserMainWindow *window = m_mainWindows.at(i); + delete window; + } + delete s_networkAccessManager; + delete s_bookmarksManager; +} + +#if defined(Q_WS_MAC) +void BrowserApplication::lastWindowClosed() +{ + clean(); + BrowserMainWindow *mw = new BrowserMainWindow; + mw->slotHome(); + m_mainWindows.prepend(mw); +} +#endif + +BrowserApplication *BrowserApplication::instance() +{ + return (static_cast<BrowserApplication *>(QCoreApplication::instance())); +} + +#if defined(Q_WS_MAC) +#include <QtWidgets/QMessageBox> +void BrowserApplication::quitBrowser() +{ + clean(); + int tabCount = 0; + for (int i = 0; i < m_mainWindows.count(); ++i) { + tabCount =+ m_mainWindows.at(i)->tabWidget()->count(); + } + + if (tabCount > 1) { + int ret = QMessageBox::warning(mainWindow(), QString(), + tr("There are %1 windows and %2 tabs open\n" + "Do you want to quit anyway?").arg(m_mainWindows.count()).arg(tabCount), + QMessageBox::Yes | QMessageBox::No, + QMessageBox::No); + if (ret == QMessageBox::No) + return; + } + + exit(0); +} +#endif + +/*! + Any actions that can be delayed until the window is visible + */ +void BrowserApplication::postLaunch() +{ +#if defined(QWEBENGINESETTINGS) + QString directory = QStandardPaths::writableLocation(QStandardPaths::DataLocation); + if (directory.isEmpty()) + directory = QDir::homePath() + QLatin1String("/.") + QCoreApplication::applicationName(); + QWebEngineSettings::setIconDatabasePath(directory); + QWebEngineSettings::setOfflineStoragePath(directory); +#endif + + setWindowIcon(QIcon(QLatin1String(":browser.svg"))); + + loadSettings(); + + // newMainWindow() needs to be called in main() for this to happen + if (m_mainWindows.count() > 0) { + QStringList args = QCoreApplication::arguments(); + if (args.count() > 1) + mainWindow()->loadPage(args.last()); + else + mainWindow()->slotHome(); + } + BrowserApplication::historyManager(); +} + +void BrowserApplication::loadSettings() +{ +#if defined(QWEBENGINESETTINGS) + QSettings settings; + settings.beginGroup(QLatin1String("websettings")); + + QWebEngineSettings *defaultSettings = QWebEngineSettings::globalSettings(); + QString standardFontFamily = defaultSettings->fontFamily(QWebEngineSettings::StandardFont); + int standardFontSize = defaultSettings->fontSize(QWebEngineSettings::DefaultFontSize); + QFont standardFont = QFont(standardFontFamily, standardFontSize); + standardFont = qvariant_cast<QFont>(settings.value(QLatin1String("standardFont"), standardFont)); + defaultSettings->setFontFamily(QWebEngineSettings::StandardFont, standardFont.family()); + defaultSettings->setFontSize(QWebEngineSettings::DefaultFontSize, standardFont.pointSize()); + + QString fixedFontFamily = defaultSettings->fontFamily(QWebEngineSettings::FixedFont); + int fixedFontSize = defaultSettings->fontSize(QWebEngineSettings::DefaultFixedFontSize); + QFont fixedFont = QFont(fixedFontFamily, fixedFontSize); + fixedFont = qvariant_cast<QFont>(settings.value(QLatin1String("fixedFont"), fixedFont)); + defaultSettings->setFontFamily(QWebEngineSettings::FixedFont, fixedFont.family()); + defaultSettings->setFontSize(QWebEngineSettings::DefaultFixedFontSize, fixedFont.pointSize()); + + defaultSettings->setAttribute(QWebEngineSettings::JavascriptEnabled, settings.value(QLatin1String("enableJavascript"), true).toBool()); + defaultSettings->setAttribute(QWebEngineSettings::PluginsEnabled, settings.value(QLatin1String("enablePlugins"), true).toBool()); + + QUrl url = settings.value(QLatin1String("userStyleSheet")).toUrl(); + defaultSettings->setUserStyleSheetUrl(url); + + defaultSettings->setAttribute(QWebEngineSettings::DnsPrefetchEnabled, true); + + settings.endGroup(); +#endif +} + +QList<BrowserMainWindow*> BrowserApplication::mainWindows() +{ + clean(); + QList<BrowserMainWindow*> list; + for (int i = 0; i < m_mainWindows.count(); ++i) + list.append(m_mainWindows.at(i)); + return list; +} + +void BrowserApplication::clean() +{ + // cleanup any deleted main windows first + for (int i = m_mainWindows.count() - 1; i >= 0; --i) + if (m_mainWindows.at(i).isNull()) + m_mainWindows.removeAt(i); +} + +void BrowserApplication::saveSession() +{ +#if defined(QWEBENGINESETTINGS) + QWebEngineSettings *globalSettings = QWebEngineSettings::globalSettings(); + if (globalSettings->testAttribute(QWebEngineSettings::PrivateBrowsingEnabled)) + return; +#endif + + clean(); + + QSettings settings; + settings.beginGroup(QLatin1String("sessions")); + + QByteArray data; + QBuffer buffer(&data); + QDataStream stream(&buffer); + buffer.open(QIODevice::ReadWrite); + + stream << m_mainWindows.count(); + for (int i = 0; i < m_mainWindows.count(); ++i) + stream << m_mainWindows.at(i)->saveState(); + settings.setValue(QLatin1String("lastSession"), data); + settings.endGroup(); +} + +bool BrowserApplication::canRestoreSession() const +{ + return !m_lastSession.isEmpty(); +} + +void BrowserApplication::restoreLastSession() +{ + QList<QByteArray> windows; + QBuffer buffer(&m_lastSession); + QDataStream stream(&buffer); + buffer.open(QIODevice::ReadOnly); + int windowCount; + stream >> windowCount; + for (int i = 0; i < windowCount; ++i) { + QByteArray windowState; + stream >> windowState; + windows.append(windowState); + } + for (int i = 0; i < windows.count(); ++i) { + BrowserMainWindow *newWindow = 0; + if (m_mainWindows.count() == 1 + && mainWindow()->tabWidget()->count() == 1 + && mainWindow()->currentTab()->url() == QUrl()) { + newWindow = mainWindow(); + } else { + newWindow = newMainWindow(); + } + newWindow->restoreState(windows.at(i)); + } +} + +bool BrowserApplication::isTheOnlyBrowser() const +{ + return (m_localServer != 0); +} + +void BrowserApplication::installTranslator(const QString &name) +{ + QTranslator *translator = new QTranslator(this); + translator->load(name, QLibraryInfo::location(QLibraryInfo::TranslationsPath)); + QApplication::installTranslator(translator); +} + +#if defined(Q_WS_MAC) +bool BrowserApplication::event(QEvent* event) +{ + switch (event->type()) { + case QEvent::ApplicationActivate: { + clean(); + if (!m_mainWindows.isEmpty()) { + BrowserMainWindow *mw = mainWindow(); + if (mw && !mw->isMinimized()) { + mainWindow()->show(); + } + return true; + } + } + case QEvent::FileOpen: + if (!m_mainWindows.isEmpty()) { + mainWindow()->loadPage(static_cast<QFileOpenEvent *>(event)->file()); + return true; + } + default: + break; + } + return QApplication::event(event); +} +#endif + +void BrowserApplication::openUrl(const QUrl &url) +{ + mainWindow()->loadPage(url.toString()); +} + +BrowserMainWindow *BrowserApplication::newMainWindow() +{ + BrowserMainWindow *browser = new BrowserMainWindow(); + m_mainWindows.prepend(browser); + browser->show(); + return browser; +} + +BrowserMainWindow *BrowserApplication::mainWindow() +{ + clean(); + if (m_mainWindows.isEmpty()) + newMainWindow(); + return m_mainWindows[0]; +} + +void BrowserApplication::newLocalSocketConnection() +{ + QLocalSocket *socket = m_localServer->nextPendingConnection(); + if (!socket) + return; + socket->waitForReadyRead(1000); + QTextStream stream(socket); + QString url; + stream >> url; + if (!url.isEmpty()) { + QSettings settings; + settings.beginGroup(QLatin1String("general")); + int openLinksIn = settings.value(QLatin1String("openLinksIn"), 0).toInt(); + settings.endGroup(); + if (openLinksIn == 1) + newMainWindow(); + else + mainWindow()->tabWidget()->newTab(); + openUrl(url); + } + delete socket; + mainWindow()->raise(); + mainWindow()->activateWindow(); +} + +CookieJar *BrowserApplication::cookieJar() +{ +#if defined(QWEBENGINEPAGE_SETNETWORKACCESSMANAGER) + return (CookieJar*)networkAccessManager()->cookieJar(); +#else + return 0; +#endif +} + +DownloadManager *BrowserApplication::downloadManager() +{ + if (!s_downloadManager) { + s_downloadManager = new DownloadManager(); + } + return s_downloadManager; +} + +NetworkAccessManager *BrowserApplication::networkAccessManager() +{ +#if defined(QWEBENGINEPAGE_SETNETWORKACCESSMANAGER) + if (!s_networkAccessManager) { + s_networkAccessManager = new NetworkAccessManager(); + s_networkAccessManager->setCookieJar(new CookieJar); + } + return s_networkAccessManager; +#else + return 0; +#endif +} + +HistoryManager *BrowserApplication::historyManager() +{ + if (!s_historyManager) + s_historyManager = new HistoryManager(); + return s_historyManager; +} + +BookmarksManager *BrowserApplication::bookmarksManager() +{ + if (!s_bookmarksManager) { + s_bookmarksManager = new BookmarksManager; + } + return s_bookmarksManager; +} + +QIcon BrowserApplication::icon(const QUrl &url) const +{ +#if defined(QWEBENGINESETTINGS) + QIcon icon = QWebEngineSettings::iconForUrl(url); + if (!icon.isNull()) + return icon.pixmap(16, 16); +#endif + if (m_defaultIcon.isNull()) + m_defaultIcon = QIcon(QLatin1String(":defaulticon.png")); + return m_defaultIcon.pixmap(16, 16); +} |