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/*******************************************************************************
**
** smolbote: yet another qute browser
** Copyright (C) 2017 Xian Nox
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
******************************************************************************/
#include "browser.h"
#include "mainwindow.h"
#include <QtWebEngine>
#include <QMessageBox>
Browser::Browser(int &argc, char *argv[]) :
QApplication(argc, argv)
{
setApplicationName("smolbote");
// This lets the web view automatically scale on high-dpi displays.
setAttribute(Qt::AA_EnableHighDpiScaling);
m_settings = nullptr;
m_localServer = nullptr;
m_networkAccessManager = nullptr;
m_urlRequestInterceptor = nullptr;
m_bookmarksManager = nullptr;
m_downloadManager = nullptr;
m_blocklistManager = nullptr;
}
Browser::~Browser()
{
qDeleteAll(m_windows);
m_windows.clear();
if(m_networkAccessManager) {
delete m_networkAccessManager;
}
if(m_bookmarksManager) {
delete m_bookmarksManager;
}
if(m_downloadManager) {
delete m_downloadManager;
}
}
QString Browser::applicationLongVersion() const
{
#ifdef GIT_DESCRIBE
return QString(GIT_DESCRIBE);
#else
return applicationVersion();
#endif
}
bool Browser::prepare(QStringList urls)
{
if(m_settings->value("browser.singleInstance", true).toBool()) {
QString serverName = m_settings->value("browser.localSocket", "smolbote-singlelock").toString();
// Check for other running instance
QLocalSocket socket;
socket.connectToServer(serverName);
if(socket.waitForConnected(500)) {
QTextStream stream(&socket);
stream << urls.join('|');
stream.flush();
socket.waitForBytesWritten();
return false;
}
// There is no other instance
m_localServer = new QLocalServer(this);
connect(m_localServer, SIGNAL(newConnection()), this, SLOT(handleNewConnection()));
if (!m_localServer->listen(serverName) && m_localServer->serverError() == QAbstractSocket::AddressInUseError) {
// Could not create local server because the socket is already in use
QLocalServer::removeServer(serverName);
if (!m_localServer->listen(serverName)) {
// Couldn't free the socket
qWarning("Could not create local socket %s.", qPrintable(serverName));
}
} else {
qDebug("Created local socket.");
}
}
if(m_settings->isEmpty()) {
// There are no keys in the settings
QMessageBox::information(0,
tr("Configuration is empty"),
tr("The configuration file <i>%1</i> is empty. Using default values").arg(m_settings->filePath()));
}
m_networkAccessManager = new QNetworkAccessManager();
m_bookmarksManager = new BookmarksWidget;
m_downloadManager = new DownloadsWidget;
m_blocklistManager = new BlockerManager;
QtWebEngine::initialize();
return true;
}
Browser *Browser::instance()
{
return static_cast<Browser *>(QCoreApplication::instance());
}
Settings *Browser::settings()
{
return m_settings;
}
QNetworkAccessManager *Browser::network()
{
return m_networkAccessManager;
}
BookmarksWidget *Browser::bookmarks()
{
return m_bookmarksManager;
}
DownloadsWidget *Browser::downloads()
{
return m_downloadManager;
}
BlockerManager *Browser::blocklists()
{
return m_blocklistManager;
}
void Browser::setConfigPath(const QString &path)
{
// set custom config path if any
if(!path.isEmpty()) {
m_settings = new Settings(path);
return;
}
// check if config file exists for this user
QString cpath = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) + "/poi.conf";
if(QFile::exists(cpath)) {
m_settings = new Settings(cpath);
}
// check system-specific locations
#ifdef Q_OS_LINUX
else if(QFile::exists("/usr/share/smolbote/poi.conf")) {
m_settings = new Settings("/usr/share/smolbote/poi.conf");
} else if(QFile::exists("/usr/local/share/smolbote/poi.conf")) {
m_settings = new Settings("/usr/local/share/smolbote/poi.conf");
}
#endif
else {
m_settings = new Settings();
}
}
void Browser::addWindow(MainWindow *window)
{
if(m_windows.contains(window)) {
return;
}
m_windows.append(window);
connect(window, &QObject::destroyed, [this, window]() {
this->removeWindow(window);
});
window->show();
}
MainWindow *Browser::mainWindow()
{
if(m_windows.isEmpty()) {
addWindow(new MainWindow());
}
return m_windows.first();
}
void Browser::removeWindow(MainWindow *window)
{
m_windows.removeOne(window);
}
WebEngineProfile* Browser::profile(const QString name)
{
if(!m_profiles.contains(name)) {
// name can be empty --> off-the-record profile
if(name.isEmpty()) {
m_profiles.insert(name, new WebEngineProfile(this));
} else {
m_profiles.insert(name, new WebEngineProfile(name, this));
}
if(!m_urlRequestInterceptor) {
m_urlRequestInterceptor = new UrlRequestInterceptor(this);
m_urlRequestInterceptor->setSubscription(m_blocklistManager);
}
m_profiles[name]->setRequestInterceptor(m_urlRequestInterceptor);
connect(m_profiles[name], SIGNAL(downloadRequested(QWebEngineDownloadItem*)), downloads(), SLOT(addDownload(QWebEngineDownloadItem*)));
}
return m_profiles[name];
}
void Browser::handleNewConnection()
{
QLocalSocket *socket = m_localServer->nextPendingConnection();
if(!socket) {
// null socket -> return
return;
}
socket->waitForReadyRead();
const QStringList urls = QString(socket->readAll()).split('|');
delete socket;
QStringList::const_iterator i;
for(i = urls.constBegin(); i != urls.constEnd(); ++i) {
mainWindow()->addNewTab(QUrl::fromUserInput(*i));
}
}
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