--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/browser/browserapplication.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,459 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 <QtGui/QMessageBox>
+
+#include <QtNetwork/QLocalServer>
+#include <QtNetwork/QLocalSocket>
+#include <QtNetwork/QNetworkProxy>
+#include <QtNetwork/QSslSocket>
+
+#include <QtWebKit/QWebSettings>
+
+#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 <QtGui/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()
+{
+ QString directory = QDesktopServices::storageLocation(QDesktopServices::DataLocation);
+ if (directory.isEmpty())
+ directory = QDir::homePath() + QLatin1String("/.") + QCoreApplication::applicationName();
+ QWebSettings::setIconDatabasePath(directory);
+ QWebSettings::setOfflineStoragePath(directory);
+
+ 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()
+{
+ QSettings settings;
+ settings.beginGroup(QLatin1String("websettings"));
+
+ QWebSettings *defaultSettings = QWebSettings::globalSettings();
+ QString standardFontFamily = defaultSettings->fontFamily(QWebSettings::StandardFont);
+ int standardFontSize = defaultSettings->fontSize(QWebSettings::DefaultFontSize);
+ QFont standardFont = QFont(standardFontFamily, standardFontSize);
+ standardFont = qVariantValue<QFont>(settings.value(QLatin1String("standardFont"), standardFont));
+ defaultSettings->setFontFamily(QWebSettings::StandardFont, standardFont.family());
+ defaultSettings->setFontSize(QWebSettings::DefaultFontSize, standardFont.pointSize());
+
+ QString fixedFontFamily = defaultSettings->fontFamily(QWebSettings::FixedFont);
+ int fixedFontSize = defaultSettings->fontSize(QWebSettings::DefaultFixedFontSize);
+ QFont fixedFont = QFont(fixedFontFamily, fixedFontSize);
+ fixedFont = qVariantValue<QFont>(settings.value(QLatin1String("fixedFont"), fixedFont));
+ defaultSettings->setFontFamily(QWebSettings::FixedFont, fixedFont.family());
+ defaultSettings->setFontSize(QWebSettings::DefaultFixedFontSize, fixedFont.pointSize());
+
+ defaultSettings->setAttribute(QWebSettings::JavascriptEnabled, settings.value(QLatin1String("enableJavascript"), true).toBool());
+ defaultSettings->setAttribute(QWebSettings::PluginsEnabled, settings.value(QLatin1String("enablePlugins"), true).toBool());
+
+ QUrl url = settings.value(QLatin1String("userStyleSheet")).toUrl();
+ defaultSettings->setUserStyleSheetUrl(url);
+
+ defaultSettings->setAttribute(QWebSettings::DnsPrefetchEnabled, true);
+
+ settings.endGroup();
+}
+
+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()
+{
+ QWebSettings *globalSettings = QWebSettings::globalSettings();
+ if (globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled))
+ return;
+
+ 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()
+{
+ return (CookieJar*)networkAccessManager()->cookieJar();
+}
+
+DownloadManager *BrowserApplication::downloadManager()
+{
+ if (!s_downloadManager) {
+ s_downloadManager = new DownloadManager();
+ }
+ return s_downloadManager;
+}
+
+NetworkAccessManager *BrowserApplication::networkAccessManager()
+{
+ if (!s_networkAccessManager) {
+ s_networkAccessManager = new NetworkAccessManager();
+ s_networkAccessManager->setCookieJar(new CookieJar);
+ }
+ return s_networkAccessManager;
+}
+
+HistoryManager *BrowserApplication::historyManager()
+{
+ if (!s_historyManager) {
+ s_historyManager = new HistoryManager();
+ QWebHistoryInterface::setDefaultInterface(s_historyManager);
+ }
+ return s_historyManager;
+}
+
+BookmarksManager *BrowserApplication::bookmarksManager()
+{
+ if (!s_bookmarksManager) {
+ s_bookmarksManager = new BookmarksManager;
+ }
+ return s_bookmarksManager;
+}
+
+QIcon BrowserApplication::icon(const QUrl &url) const
+{
+ QIcon icon = QWebSettings::iconForUrl(url);
+ if (!icon.isNull())
+ return icon.pixmap(16, 16);
+ if (m_defaultIcon.isNull())
+ m_defaultIcon = QIcon(QLatin1String(":defaulticon.png"));
+ return m_defaultIcon.pixmap(16, 16);
+}
+