Use new DownloadManager interface

src/base/bittorrent/session.cpp

@@ -1844,11 +1844,10 @@ void Session::handleRedirectedToMagnet(const QString &url, const QString &magnet
 }
 
 // Add to BitTorrent session the downloaded torrent file
-void Session::handleDownloadFinished(const QString &url, const QString &filePath)
+void Session::handleDownloadFinished(const QString &url, const QByteArray &data)
 {
     emit downloadFromUrlFinished(url);
-    addTorrent_impl(m_downloadedTorrents.take(url), MagnetUri(), TorrentInfo::loadFromFile(filePath));
-    Utils::Fs::forceRemove(filePath); // remove temporary file
+    addTorrent_impl(m_downloadedTorrents.take(url), MagnetUri(), TorrentInfo::load(data));
 }
 
 // Return the torrent handle, given its hash
@@ -2077,10 +2076,11 @@ bool Session::addTorrent(QString source, const AddTorrentParams &params)
         return addTorrent_impl(params, magnetUri);
     }
     else if (Utils::Misc::isUrl(source)) {
-        Logger::instance()->addMessage(tr("Downloading '%1', please wait...", "e.g: Downloading 'xxx.torrent', please wait...").arg(source));
+        LogMsg(tr("Downloading '%1', please wait...", "e.g: Downloading 'xxx.torrent', please wait...").arg(source));
         // Launch downloader
-        Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(source, true, 10485760 /* 10MB */, true);
-        connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QString &)>(&Net::DownloadHandler::downloadFinished)
+        Net::DownloadHandler *handler =
+                Net::DownloadManager::instance()->download(Net::DownloadRequest(source).limit(10485760 /* 10MB */).handleRedirectToMagnet(true));
+        connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
                 , this, &Session::handleDownloadFinished);
         connect(handler, &Net::DownloadHandler::downloadFailed, this, &Session::handleDownloadFailed);
         connect(handler, &Net::DownloadHandler::redirectedToMagnet, this, &Session::handleRedirectedToMagnet);

src/base/bittorrent/session.h

@@ -547,7 +547,7 @@ namespace BitTorrent
         void generateResumeData(bool final = false);
         void handleIPFilterParsed(int ruleCount);
         void handleIPFilterError();
-        void handleDownloadFinished(const QString &url, const QString &filePath);
+        void handleDownloadFinished(const QString &url, const QByteArray &data);
         void handleDownloadFailed(const QString &url, const QString &reason);
         void handleRedirectedToMagnet(const QString &url, const QString &magnetUri);
 

src/base/net/dnsupdater.cpp

@@ -75,9 +75,8 @@ void DNSUpdater::checkPublicIP()
 {
     Q_ASSERT(m_state == OK);
 
-    DownloadHandler *handler = DownloadManager::instance()->downloadUrl(
-                "http://checkip.dyndns.org", false, 0, false,
-                "qBittorrent/" QBT_VERSION_2);
+    DownloadHandler *handler = DownloadManager::instance()->download(
+                DownloadRequest("http://checkip.dyndns.org").userAgent("qBittorrent/" QBT_VERSION_2));
     connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &DNSUpdater::ipRequestFinished);
     connect(handler, &Net::DownloadHandler::downloadFailed, this, &DNSUpdater::ipRequestFailed);
@@ -123,9 +122,8 @@ void DNSUpdater::updateDNSService()
     qDebug() << Q_FUNC_INFO;
 
     m_lastIPCheckTime = QDateTime::currentDateTime();
-    DownloadHandler *handler = DownloadManager::instance()->downloadUrl(
-                getUpdateUrl(), false, 0, false,
-                "qBittorrent/" QBT_VERSION_2);
+    DownloadHandler *handler = DownloadManager::instance()->download(
+                DownloadRequest(getUpdateUrl()).userAgent("qBittorrent/" QBT_VERSION_2));
     connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &DNSUpdater::ipUpdateFinished);
     connect(handler, &Net::DownloadHandler::downloadFailed, this, &DNSUpdater::ipUpdateFailed);

src/base/net/downloadmanager.cpp

@@ -155,11 +155,6 @@ Net::DownloadManager *Net::DownloadManager::instance()
     return m_instance;
 }
 
-Net::DownloadHandler *Net::DownloadManager::downloadUrl(const QString &url, bool saveToFile, qint64 limit, bool handleRedirectToMagnet, const QString &userAgent)
-{
-    return download(DownloadRequest(url).saveToFile(saveToFile).limit(limit).handleRedirectToMagnet(handleRedirectToMagnet).userAgent(userAgent));
-}
-
 Net::DownloadHandler *Net::DownloadManager::download(const DownloadRequest &downloadRequest)
 {
     // Process download request

src/base/net/downloadmanager.h

@@ -93,7 +93,6 @@ namespace Net
         static void freeInstance();
         static DownloadManager *instance();
 
-        DownloadHandler *downloadUrl(const QString &url, bool saveToFile = false, qint64 limit = 0, bool handleRedirectToMagnet = false, const QString &userAgent = "");
         DownloadHandler *download(const DownloadRequest &downloadRequest);
 
         void registerSequentialService(const ServiceID &serviceID);

src/base/net/geoipmanager.cpp

@@ -118,7 +118,7 @@ void GeoIPManager::manageDatabaseUpdate()
 
 void GeoIPManager::downloadDatabaseFile()
 {
-    DownloadHandler *handler = DownloadManager::instance()->downloadUrl(DATABASE_URL);
+    DownloadHandler *handler = DownloadManager::instance()->download({DATABASE_URL});
     connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &GeoIPManager::downloadFinished);
     connect(handler, &Net::DownloadHandler::downloadFailed, this, &GeoIPManager::downloadFailed);

src/base/rss/rss_feed.cpp

@@ -129,7 +129,7 @@ void Feed::refresh()
 
     // NOTE: Should we allow manually refreshing for disabled session?
 
-    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(m_url);
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->download({m_url});
     connect(handler
             , static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &Feed::handleDownloadFinished);
@@ -418,7 +418,8 @@ void Feed::downloadIcon()
     // XXX: This works for most sites but it is not perfect
     const QUrl url(m_url);
     auto iconUrl = QString("%1://%2/favicon.ico").arg(url.scheme(), url.host());
-    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(iconUrl, true);
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->download(
+            Net::DownloadRequest(iconUrl).saveToFile(true));
     connect(handler
             , static_cast<void (Net::DownloadHandler::*)(const QString &, const QString &)>(&Net::DownloadHandler::downloadFinished)
             , this, &Feed::handleIconDownloadFinished);

src/base/search/searchpluginmanager.cpp

@@ -170,7 +170,7 @@ void SearchPluginManager::installPlugin(const QString &source)
 
     if (Utils::Misc::isUrl(source)) {
         using namespace Net;
-        DownloadHandler *handler = DownloadManager::instance()->downloadUrl(source, true);
+        DownloadHandler *handler = DownloadManager::instance()->download(DownloadRequest(source).saveToFile(true));
         connect(handler, static_cast<void (DownloadHandler::*)(const QString &, const QString &)>(&DownloadHandler::downloadFinished)
                 , this, &SearchPluginManager::pluginDownloaded);
         connect(handler, &DownloadHandler::downloadFailed, this, &SearchPluginManager::pluginDownloadFailed);
@@ -274,7 +274,7 @@ void SearchPluginManager::checkForUpdates()
 {
     // Download version file from update server
     using namespace Net;
-    DownloadHandler *handler = DownloadManager::instance()->downloadUrl(m_updateUrl + "versions.txt");
+    DownloadHandler *handler = DownloadManager::instance()->download({m_updateUrl + "versions.txt"});
     connect(handler, static_cast<void (DownloadHandler::*)(const QString &, const QByteArray &)>(&DownloadHandler::downloadFinished)
             , this, &SearchPluginManager::versionInfoDownloaded);
     connect(handler, &DownloadHandler::downloadFailed, this, &SearchPluginManager::versionInfoDownloadFailed);

src/gui/addnewtorrentdialog.cpp

@@ -230,7 +230,9 @@ void AddNewTorrentDialog::show(QString source, const BitTorrent::AddTorrentParam
 
     if (Utils::Misc::isUrl(source)) {
         // Launch downloader
-        Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(source, true, 10485760 /* 10MB */, true);
+        // TODO: Don't save loaded torrent to file, just use downloaded data!
+        Net::DownloadHandler *handler = Net::DownloadManager::instance()->download(
+                Net::DownloadRequest(source).limit(10485760 /* 10MB */).handleRedirectToMagnet(true).saveToFile(true));
         connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QString &)>(&Net::DownloadHandler::downloadFinished)
                 , dlg, &AddNewTorrentDialog::handleDownloadFinished);
         connect(handler, &Net::DownloadHandler::downloadFailed, dlg, &AddNewTorrentDialog::handleDownloadFailed);

src/gui/mainwindow.cpp

@@ -2043,11 +2043,11 @@ void MainWindow::installPython()
 {
     setCursor(QCursor(Qt::WaitCursor));
     // Download python
-    Net::DownloadHandler *handler = nullptr;
-    if (QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA)
-        handler = Net::DownloadManager::instance()->downloadUrl("https://www.python.org/ftp/python/3.5.2/python-3.5.2.exe", true);
-    else
-        handler = Net::DownloadManager::instance()->downloadUrl("https://www.python.org/ftp/python/3.4.4/python-3.4.4.msi", true);
+    const QString installerURL = ((QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA)
+                                  ? "https://www.python.org/ftp/python/3.5.2/python-3.5.2.exe"
+                                  : "https://www.python.org/ftp/python/3.4.4/python-3.4.4.msi");
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->download(
+                                        Net::DownloadRequest(installerURL).saveToFile(true));
 
     using Func = void (Net::DownloadHandler::*)(const QString &, const QString &);
     connect(handler, static_cast<Func>(&Net::DownloadHandler::downloadFinished), this, &MainWindow::pythonDownloadSuccess);

src/gui/programupdater.cpp

@@ -61,11 +61,10 @@ ProgramUpdater::ProgramUpdater(QObject *parent, bool invokedByUser)
 
 void ProgramUpdater::checkForUpdates()
 {
-    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(
-                RSS_URL, false, 0, false,
     // Don't change this User-Agent. In case our updater goes haywire,
     // the filehost can identify it and contact us.
-                "qBittorrent/" QBT_VERSION_2 " ProgramUpdater (www.qbittorrent.org)");
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->download(
+                Net::DownloadRequest(RSS_URL).userAgent("qBittorrent/" QBT_VERSION_2 " ProgramUpdater (www.qbittorrent.org)"));
     connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &ProgramUpdater::rssDownloadFinished);
     connect(handler, &Net::DownloadHandler::downloadFailed, this, &ProgramUpdater::rssDownloadFailed);

src/gui/properties/trackersadditiondialog.cpp

@@ -25,9 +25,10 @@
  * but you are not obligated to do so. If you do not wish to do so, delete this
  * exception statement from your version.
  */
+
 #include "trackersadditiondialog.h"
 
-#include <QFile>
+#include <QBuffer>
 #include <QMessageBox>
 #include <QStringList>
 #include <QUrl>
@@ -70,25 +71,16 @@ QStringList TrackersAdditionDialog::newTrackers() const
 void TrackersAdditionDialog::on_uTorrentListButton_clicked()
 {
     m_ui->uTorrentListButton->setEnabled(false);
-    Net::DownloadHandler *handler = Net::DownloadManager::instance()->downloadUrl(m_ui->list_url->text(), true);
-    connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QString &)>(&Net::DownloadHandler::downloadFinished)
+    Net::DownloadHandler *handler = Net::DownloadManager::instance()->download({m_ui->list_url->text()});
+    connect(handler, static_cast<void (Net::DownloadHandler::*)(const QString &, const QByteArray &)>(&Net::DownloadHandler::downloadFinished)
             , this, &TrackersAdditionDialog::parseUTorrentList);
     connect(handler, &Net::DownloadHandler::downloadFailed, this, &TrackersAdditionDialog::getTrackerError);
     // Just to show that it takes times
     setCursor(Qt::WaitCursor);
 }
 
-void TrackersAdditionDialog::parseUTorrentList(const QString &, const QString &path)
+void TrackersAdditionDialog::parseUTorrentList(const QString &, const QByteArray &data)
 {
-    QFile listFile(path);
-    if (!listFile.open(QFile::ReadOnly)) {
-        QMessageBox::warning(this, tr("I/O Error"), tr("Error while trying to open the downloaded file."), QMessageBox::Ok);
-        setCursor(Qt::ArrowCursor);
-        m_ui->uTorrentListButton->setEnabled(true);
-        Utils::Fs::forceRemove(path);
-        return;
-    }
-
     // Load from torrent handle
     QList<BitTorrent::TrackerEntry> existingTrackers = m_torrent->trackers();
     // Load from current user list
@@ -103,18 +95,20 @@ void TrackersAdditionDialog::parseUTorrentList(const QString &, const QString &p
     if (!m_ui->trackers_list->toPlainText().isEmpty() && !m_ui->trackers_list->toPlainText().endsWith('\n'))
         m_ui->trackers_list->insertPlainText("\n");
     int nb = 0;
-    while (!listFile.atEnd()) {
-        const QString line = listFile.readLine().trimmed();
+    QBuffer buffer;
+    buffer.setData(data);
+    buffer.open(QBuffer::ReadOnly);
+    while (!buffer.atEnd()) {
+        const QString line = buffer.readLine().trimmed();
         if (line.isEmpty()) continue;
+
         BitTorrent::TrackerEntry newTracker(line);
         if (!existingTrackers.contains(newTracker)) {
             m_ui->trackers_list->insertPlainText(line + '\n');
             ++nb;
         }
     }
-    // Clean up
-    listFile.close();
-    Utils::Fs::forceRemove(path);
+
     // To restore the cursor ...
     setCursor(Qt::ArrowCursor);
     m_ui->uTorrentListButton->setEnabled(true);

src/gui/properties/trackersadditiondialog.h

@@ -57,7 +57,7 @@ public:
 
 public slots:
     void on_uTorrentListButton_clicked();
-    void parseUTorrentList(const QString &, const QString &path);
+    void parseUTorrentList(const QString &, const QByteArray &data);
     void getTrackerError(const QString &, const QString &error);
 
 private:

src/gui/search/pluginselectdialog.cpp

@@ -292,7 +292,8 @@ void PluginSelectDialog::addNewPlugin(QString pluginName)
     else {
         // Icon is missing, we must download it
         using namespace Net;
-        DownloadHandler *handler = DownloadManager::instance()->downloadUrl(plugin->url + "/favicon.ico", true);
+        DownloadHandler *handler = DownloadManager::instance()->download(
+                    DownloadRequest(plugin->url + "/favicon.ico").saveToFile(true));
         connect(handler, static_cast<void (DownloadHandler::*)(const QString &, const QString &)>(&DownloadHandler::downloadFinished)
                 , this, &PluginSelectDialog::iconDownloaded);
         connect(handler, &DownloadHandler::downloadFailed, this, &PluginSelectDialog::iconDownloadFailed);

src/gui/transferlistfilterswidget.cpp

@@ -404,7 +404,8 @@ void TrackerFiltersList::trackerWarning(const QString &hash, const QString &trac
 void TrackerFiltersList::downloadFavicon(const QString& url)
 {
     if (!m_downloadTrackerFavicon) return;
-    Net::DownloadHandler *h = Net::DownloadManager::instance()->downloadUrl(url, true);
+    Net::DownloadHandler *h = Net::DownloadManager::instance()->download(
+                Net::DownloadRequest(url).saveToFile(true));
     using Func = void (Net::DownloadHandler::*)(const QString &, const QString &);
     connect(h, static_cast<Func>(&Net::DownloadHandler::downloadFinished), this
             , &TrackerFiltersList::handleFavicoDownload);