Add final specifier to classes

This allow compilers to generate more efficient code.

src/app/application.h

@@ -68,7 +68,7 @@ namespace RSS
     class AutoDownloader;
 }
 
-class Application : public BaseApplication
+class Application final : public BaseApplication
 {
     Q_OBJECT
     Q_DISABLE_COPY(Application)

src/app/qtlocalpeer/qtlockedfile.h

@@ -77,7 +77,7 @@
 
 namespace QtLP_Private
 {
-    class QtLockedFile : public QFile
+    class QtLockedFile final : public QFile
     {
     public:
         enum LockMode

src/base/bittorrent/private/filterparserthread.h

@@ -35,7 +35,7 @@
 
 class QDataStream;
 
-class FilterParserThread : public QThread
+class FilterParserThread final : public QThread
 {
     Q_OBJECT
 

src/base/bittorrent/private/nativesessionextension.h

@@ -31,7 +31,7 @@
 #include <libtorrent/extensions.hpp>
 #include <libtorrent/version.hpp>
 
-class NativeSessionExtension : public lt::plugin
+class NativeSessionExtension final : public lt::plugin
 {
 #if (LIBTORRENT_VERSION_NUM >= 10200)
     lt::feature_flags_t implemented_features() override;

src/base/bittorrent/private/nativetorrentextension.h

@@ -32,7 +32,7 @@
 #include <libtorrent/torrent_handle.hpp>
 #include <libtorrent/version.hpp>
 
-class NativeTorrentExtension : public lt::torrent_plugin
+class NativeTorrentExtension final : public lt::torrent_plugin
 {
 public:
     explicit NativeTorrentExtension(const lt::torrent_handle &torrentHandle);

src/base/bittorrent/private/portforwarderimpl.h

@@ -44,7 +44,7 @@ using LTPortMapping = int;
 using LTPortMapping = lt::port_mapping_t;
 #endif
 
-class PortForwarderImpl : public Net::PortForwarder
+class PortForwarderImpl final : public Net::PortForwarder
 {
     Q_OBJECT
     Q_DISABLE_COPY(PortForwarderImpl)

src/base/bittorrent/torrentcreatorthread.h

@@ -48,7 +48,7 @@ namespace BitTorrent
         QStringList urlSeeds;
     };
 
-    class TorrentCreatorThread : public QThread
+    class TorrentCreatorThread final : public QThread
     {
         Q_OBJECT
 

src/base/bittorrent/tracker.h

@@ -70,7 +70,7 @@ namespace BitTorrent
     // *Basic* Bittorrent tracker implementation
     // [BEP-3] The BitTorrent Protocol Specification
     // also see: https://wiki.theory.org/index.php/BitTorrentSpecification#Tracker_HTTP.2FHTTPS_Protocol
-    class Tracker : public QObject, public Http::IRequestHandler, private Http::ResponseBuilder
+    class Tracker final : public QObject, public Http::IRequestHandler, private Http::ResponseBuilder
     {
         Q_OBJECT
         Q_DISABLE_COPY(Tracker)

src/base/http/server.h

@@ -41,7 +41,7 @@ namespace Http
     class IRequestHandler;
     class Connection;
 
-    class Server : public QTcpServer
+    class Server final : public QTcpServer
     {
         Q_OBJECT
         Q_DISABLE_COPY(Server)

src/base/net/downloadmanager.cpp

@@ -52,7 +52,7 @@ namespace
     // Disguise as Firefox to avoid web server banning
     const char DEFAULT_USER_AGENT[] = "Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0";
 
-    class NetworkCookieJar : public QNetworkCookieJar
+    class NetworkCookieJar final : public QNetworkCookieJar
     {
     public:
         explicit NetworkCookieJar(QObject *parent = nullptr)

src/base/net/private/downloadhandlerimpl.h

@@ -36,7 +36,7 @@
 class QObject;
 class QUrl;
 
-class DownloadHandlerImpl : public Net::DownloadHandler
+class DownloadHandlerImpl final : public Net::DownloadHandler
 {
     Q_OBJECT
     Q_DISABLE_COPY(DownloadHandlerImpl)

src/base/private/profile_p.h

@@ -63,7 +63,7 @@ namespace Private
     };
 
     /// Default implementation. Takes paths from system
-    class DefaultProfile : public Profile
+    class DefaultProfile final : public Profile
     {
     public:
         explicit DefaultProfile(const QString &configurationName);
@@ -86,7 +86,7 @@ namespace Private
     };
 
     /// Custom tree: creates directories under the specified root directory
-    class CustomProfile : public Profile
+    class CustomProfile final : public Profile
     {
     public:
         CustomProfile(const QString &rootPath, const QString &configurationName);
@@ -114,14 +114,14 @@ namespace Private
         virtual ~PathConverter() = default;
     };
 
-    class NoConvertConverter : public PathConverter
+    class NoConvertConverter final : public PathConverter
     {
     public:
         QString toPortablePath(const QString &path) const override;
         QString fromPortablePath(const QString &portablePath) const override;
     };
 
-    class Converter : public PathConverter
+    class Converter final : public PathConverter
     {
     public:
         explicit Converter(const QString &basePath);

src/base/rss/private/rss_parser.cpp

@@ -44,7 +44,7 @@
 
 namespace
 {
-    class XmlStreamEntityResolver : public QXmlStreamEntityResolver
+    class XmlStreamEntityResolver final : public QXmlStreamEntityResolver
     {
     public:
         QString resolveUndeclaredEntity(const QString &name) override

src/base/scanfoldersmodel.h

@@ -36,7 +36,7 @@ class QStringList;
 
 class FileSystemWatcher;
 
-class ScanFoldersModel : public QAbstractListModel
+class ScanFoldersModel final : public QAbstractListModel
 {
     Q_OBJECT
     Q_DISABLE_COPY(ScanFoldersModel)

src/webui/webapplication.h

@@ -50,7 +50,7 @@ class WebApplication;
 
 constexpr char C_SID[] = "SID"; // name of session id cookie
 
-class WebSession : public ISession
+class WebSession final : public ISession
 {
 public:
     explicit WebSession(const QString &sid);
@@ -69,7 +69,7 @@ private:
     QVariantHash m_data;
 };
 
-class WebApplication
+class WebApplication final
         : public QObject, public Http::IRequestHandler, public ISessionManager
         , private Http::ResponseBuilder
 {