Provide interface for Application class

PR #16864.

src/app/application.cpp

@@ -29,8 +29,6 @@
 
 #include "application.h"
 
-#include <QtGlobal>
-
 #include <algorithm>
 
 #ifdef DISABLE_GUI
@@ -82,7 +80,6 @@
 #include "base/torrentfileswatcher.h"
 #include "base/utils/compare.h"
 #include "base/utils/fs.h"
-#include "base/path.h"
 #include "base/utils/misc.h"
 #include "base/version.h"
 #include "applicationinstancemanager.h"
@@ -90,10 +87,10 @@
 
 #ifndef DISABLE_GUI
 #include "gui/addnewtorrentdialog.h"
-#include "gui/uithememanager.h"
-#include "gui/utils.h"
 #include "gui/mainwindow.h"
 #include "gui/shutdownconfirmdialog.h"
+#include "gui/uithememanager.h"
+#include "gui/utils.h"
 #endif // DISABLE_GUI
 
 #ifndef DISABLE_WEBUI
@@ -121,12 +118,8 @@ namespace
 
 Application::Application(int &argc, char **argv)
     : BaseApplication(argc, argv)
-    , m_running(false)
     , m_shutdownAct(ShutdownDialogAction::Exit)
     , m_commandLineArgs(parseCommandLine(this->arguments()))
-#ifdef Q_OS_WIN
-    , m_storeMemoryWorkingSetLimit(SETTINGS_KEY(u"MemoryWorkingSetLimit"_qs))
-#endif
     , m_storeFileLoggerEnabled(FILELOGGER_SETTINGS_KEY(u"Enabled"_qs))
     , m_storeFileLoggerBackup(FILELOGGER_SETTINGS_KEY(u"Backup"_qs))
     , m_storeFileLoggerDeleteOld(FILELOGGER_SETTINGS_KEY(u"DeleteOld"_qs))
@@ -134,6 +127,9 @@ Application::Application(int &argc, char **argv)
     , m_storeFileLoggerAge(FILELOGGER_SETTINGS_KEY(u"Age"_qs))
     , m_storeFileLoggerAgeType(FILELOGGER_SETTINGS_KEY(u"AgeType"_qs))
     , m_storeFileLoggerPath(FILELOGGER_SETTINGS_KEY(u"Path"_qs))
+#ifdef Q_OS_WIN
+    , m_storeMemoryWorkingSetLimit(SETTINGS_KEY(u"MemoryWorkingSetLimit"_qs))
+#endif
 {
     qRegisterMetaType<Log::Msg>("Log::Msg");
     qRegisterMetaType<Log::Peer>("Log::Peer");

src/app/application.h

@@ -1,5 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Mike Tzou (Chocobo1)
  * Copyright (C) 2015, 2019  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez
  *
@@ -29,31 +30,24 @@
 
 #pragma once
 
+#include <QtGlobal>
+#include <QCoreApplication>
 #include <QPointer>
 #include <QStringList>
 #include <QTranslator>
 
 #ifndef DISABLE_GUI
 #include <QApplication>
-using BaseApplication = QApplication;
+#endif
-class MainWindow;
-
-#ifdef Q_OS_WIN
-class QSessionManager;
-#endif // Q_OS_WIN
-
-#else
-#include <QCoreApplication>
-using BaseApplication = QCoreApplication;
-#endif // DISABLE_GUI
 
+#include "base/interfaces/iapplication.h"
 #include "base/path.h"
 #include "base/settingvalue.h"
 #include "base/types.h"
 #include "cmdoptions.h"
 
-#ifndef DISABLE_WEBUI
+#ifndef DISABLE_GUI
-class WebUI;
+#include "gui/interfaces/iguiapplication.h"
 #endif
 
 class ApplicationInstanceManager;
@@ -70,7 +64,25 @@ namespace RSS
     class AutoDownloader;
 }
 
-class Application final : public BaseApplication
+#ifndef DISABLE_GUI
+class MainWindow;
+
+using BaseApplication = QApplication;
+using BaseIApplication = IGUIApplication;
+
+#ifdef Q_OS_WIN
+class QSessionManager;
+#endif
+#else // DISABLE_GUI
+using BaseApplication = QCoreApplication;
+using BaseIApplication = IApplication;
+#endif // DISABLE_GUI
+
+#ifndef DISABLE_WEBUI
+class WebUI;
+#endif
+
+class Application final : public BaseApplication, public BaseIApplication
 {
     Q_OBJECT
     Q_DISABLE_COPY_MOVE(Application)
@@ -79,42 +91,35 @@ public:
     Application(int &argc, char **argv);
     ~Application() override;
 
-    bool isRunning();
     int exec(const QStringList &params);
+
+    bool isRunning();
     bool sendParams(const QStringList &params);
-
-#ifndef DISABLE_GUI
-    QPointer<MainWindow> mainWindow();
-#endif
-
     const QBtCommandLineParameters &commandLineArgs() const;
 
-#ifdef Q_OS_WIN
-    int memoryWorkingSetLimit() const;
-    void setMemoryWorkingSetLimit(int size);
-#endif
-
     // FileLogger properties
-    bool isFileLoggerEnabled() const;
+    bool isFileLoggerEnabled() const override;
-    void setFileLoggerEnabled(bool value);
+    void setFileLoggerEnabled(bool value) override;
-    Path fileLoggerPath() const;
+    Path fileLoggerPath() const override;
-    void setFileLoggerPath(const Path &path);
+    void setFileLoggerPath(const Path &path) override;
-    bool isFileLoggerBackup() const;
+    bool isFileLoggerBackup() const override;
-    void setFileLoggerBackup(bool value);
+    void setFileLoggerBackup(bool value) override;
-    bool isFileLoggerDeleteOld() const;
+    bool isFileLoggerDeleteOld() const override;
-    void setFileLoggerDeleteOld(bool value);
+    void setFileLoggerDeleteOld(bool value) override;
-    int fileLoggerMaxSize() const;
+    int fileLoggerMaxSize() const override;
-    void setFileLoggerMaxSize(int bytes);
+    void setFileLoggerMaxSize(int bytes) override;
-    int fileLoggerAge() const;
+    int fileLoggerAge() const override;
-    void setFileLoggerAge(int value);
+    void setFileLoggerAge(int value) override;
-    int fileLoggerAgeType() const;
+    int fileLoggerAgeType() const override;
-    void setFileLoggerAgeType(int value);
+    void setFileLoggerAgeType(int value) override;
 
-protected:
+#ifdef Q_OS_WIN
-#ifndef DISABLE_GUI
+    int memoryWorkingSetLimit() const override;
-#ifdef Q_OS_MACOS
+    void setMemoryWorkingSetLimit(int size) override;
-    bool event(QEvent *) override;
 #endif
+
+#ifndef DISABLE_GUI
+    QPointer<MainWindow> mainWindow() override;
 #endif
 
 private slots:
@@ -122,31 +127,30 @@ private slots:
     void torrentFinished(BitTorrent::Torrent *const torrent);
     void allTorrentsFinished();
     void cleanup();
+
 #if (!defined(DISABLE_GUI) && defined(Q_OS_WIN))
     void shutdownCleanup(QSessionManager &manager);
 #endif
 
 private:
-#ifdef Q_OS_WIN
-    void applyMemoryWorkingSetLimit();
-#endif
     void initializeTranslation();
     void processParams(const QStringList &params);
     void runExternalProgram(const BitTorrent::Torrent *torrent) const;
     void sendNotificationEmail(const BitTorrent::Torrent *torrent);
-
+#ifdef Q_OS_WIN
-    ApplicationInstanceManager *m_instanceManager = nullptr;
+    void applyMemoryWorkingSetLimit();
-    bool m_running;
+#endif
-    ShutdownDialogAction m_shutdownAct;
-    QBtCommandLineParameters m_commandLineArgs;
 
 #ifndef DISABLE_GUI
-    QPointer<MainWindow> m_window;
+#ifdef Q_OS_MACOS
+    bool event(QEvent *) override;
+#endif
 #endif
 
-#ifndef DISABLE_WEBUI
+    ApplicationInstanceManager *m_instanceManager = nullptr;
-    WebUI *m_webui = nullptr;
+    bool m_running = false;
-#endif
+    ShutdownDialogAction m_shutdownAct;
+    QBtCommandLineParameters m_commandLineArgs;
 
     // FileLog
     QPointer<FileLogger> m_fileLogger;
@@ -155,9 +159,6 @@ private:
     QTranslator m_translator;
     QStringList m_paramsQueue;
 
-#ifdef Q_OS_WIN
-    SettingValue<int> m_storeMemoryWorkingSetLimit;
-#endif
     SettingValue<bool> m_storeFileLoggerEnabled;
     SettingValue<bool> m_storeFileLoggerBackup;
     SettingValue<bool> m_storeFileLoggerDeleteOld;
@@ -165,4 +166,15 @@ private:
     SettingValue<int> m_storeFileLoggerAge;
     SettingValue<int> m_storeFileLoggerAgeType;
     SettingValue<Path> m_storeFileLoggerPath;
+#ifdef Q_OS_WIN
+    SettingValue<int> m_storeMemoryWorkingSetLimit;
+#endif
+
+#ifndef DISABLE_GUI
+    QPointer<MainWindow> m_window;
+#endif
+
+#ifndef DISABLE_WEBUI
+    WebUI *m_webui = nullptr;
+#endif
 };

src/base/CMakeLists.txt

@@ -51,6 +51,7 @@ add_library(qbt_base STATIC
     http/types.h
     iconprovider.h
     indexrange.h
+    interfaces/iapplication.h
     interfaces/istringable.h
     logger.h
     net/dnsupdater.h

src/base/base.pri

@@ -50,6 +50,7 @@ HEADERS += \
     $$PWD/http/types.h \
     $$PWD/iconprovider.h \
     $$PWD/indexrange.h \
+    $$PWD/interfaces/iapplication.h \
     $$PWD/interfaces/istringable.h \
     $$PWD/logger.h \
     $$PWD/net/dnsupdater.h \

src/base/interfaces/iapplication.h

@@ -0,0 +1,65 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Mike Tzou (Chocobo1)
+ * Copyright (C) 2015, 2019  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QtGlobal>
+
+class QString;
+
+class Path;
+struct QBtCommandLineParameters;
+
+class IApplication
+{
+public:
+    virtual ~IApplication() = default;
+
+    // FileLogger properties
+    virtual bool isFileLoggerEnabled() const = 0;
+    virtual void setFileLoggerEnabled(bool value) = 0;
+    virtual Path fileLoggerPath() const = 0;
+    virtual void setFileLoggerPath(const Path &path) = 0;
+    virtual bool isFileLoggerBackup() const = 0;
+    virtual void setFileLoggerBackup(bool value) = 0;
+    virtual bool isFileLoggerDeleteOld() const = 0;
+    virtual void setFileLoggerDeleteOld(bool value) = 0;
+    virtual int fileLoggerMaxSize() const = 0;
+    virtual void setFileLoggerMaxSize(int bytes) = 0;
+    virtual int fileLoggerAge() const = 0;
+    virtual void setFileLoggerAge(int value) = 0;
+    virtual int fileLoggerAgeType() const = 0;
+    virtual void setFileLoggerAgeType(int value) = 0;
+
+#ifdef Q_OS_WIN
+    virtual int memoryWorkingSetLimit() const = 0;
+    virtual void setMemoryWorkingSetLimit(int size) = 0;
+#endif
+};

src/gui/CMakeLists.txt

@@ -50,6 +50,7 @@ add_library(qbt_gui STATIC
     fspathedit.h
     fspathedit_p.h
     hidabletabwidget.h
+    interfaces/iguiapplication.h
     ipsubnetwhitelistoptionsdialog.h
     lineedit.h
     log/logfiltermodel.h

src/gui/advancedsettings.cpp

@@ -39,9 +39,9 @@
 #include "base/global.h"
 #include "base/preferences.h"
 #include "base/unicodestrings.h"
-#include "app/application.h"
 #include "gui/addnewtorrentdialog.h"
 #include "gui/mainwindow.h"
+#include "interfaces/iguiapplication.h"
 
 namespace
 {
@@ -200,7 +200,7 @@ void AdvancedSettings::saveAdvancedSettings()
     }
     session->setOSMemoryPriority(prio);
 
-    static_cast<Application *>(QCoreApplication::instance())->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
+    dynamic_cast<IApplication *>(QCoreApplication::instance())->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 #endif
     // Async IO threads
     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
@@ -292,7 +292,7 @@ void AdvancedSettings::saveAdvancedSettings()
     // Stop tracker timeout
     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
     // Program notification
-    MainWindow *const mainWindow = static_cast<Application*>(QCoreApplication::instance())->mainWindow();
+    MainWindow *mainWindow = dynamic_cast<IGUIApplication *>(QCoreApplication::instance())->mainWindow();
     mainWindow->setNotificationsEnabled(m_checkBoxProgramNotifications.isChecked());
     mainWindow->setTorrentAddedNotificationsEnabled(m_checkBoxTorrentAddedNotifications.isChecked());
 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
@@ -449,7 +449,7 @@ void AdvancedSettings::loadAdvancedSettings()
     m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
     m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
     m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
-    m_spinBoxMemoryWorkingSetLimit.setValue(static_cast<Application *>(QCoreApplication::instance())->memoryWorkingSetLimit());
+    m_spinBoxMemoryWorkingSetLimit.setValue(dynamic_cast<IApplication *>(QCoreApplication::instance())->memoryWorkingSetLimit());
 
     addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit")
         + u' ' + makeLink(u"https://wikipedia.org/wiki/Working_set", u"(?)"))
@@ -694,7 +694,7 @@ void AdvancedSettings::loadAdvancedSettings()
            , &m_spinBoxStopTrackerTimeout);
 
     // Program notifications
-    const MainWindow *const mainWindow = static_cast<Application*>(QCoreApplication::instance())->mainWindow();
+    const MainWindow *mainWindow = dynamic_cast<IGUIApplication *>(QCoreApplication::instance())->mainWindow();
     m_checkBoxProgramNotifications.setChecked(mainWindow->isNotificationsEnabled());
     addRow(PROGRAM_NOTIFICATIONS, tr("Display notifications"), &m_checkBoxProgramNotifications);
     // Torrent added notifications

src/gui/gui.pri

@@ -17,6 +17,7 @@ HEADERS += \
     $$PWD/fspathedit.h \
     $$PWD/fspathedit_p.h \
     $$PWD/hidabletabwidget.h \
+    $$PWD/interfaces/iguiapplication.h \
     $$PWD/ipsubnetwhitelistoptionsdialog.h \
     $$PWD/lineedit.h \
     $$PWD/log/logfiltermodel.h \

src/gui/interfaces/iguiapplication.h

@@ -0,0 +1,43 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Mike Tzou (Chocobo1)
+ * Copyright (C) 2015, 2019  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include "base/interfaces/iapplication.h"
+
+class MainWindow;
+
+class IGUIApplication : public IApplication
+{
+public:
+    virtual ~IGUIApplication() = default;
+
+    virtual QPointer<MainWindow> mainWindow() = 0;
+};

src/gui/optionsdialog.cpp

@@ -61,8 +61,8 @@
 #include "base/utils/random.h"
 #include "addnewtorrentdialog.h"
 #include "advancedsettings.h"
-#include "app/application.h"
 #include "banlistoptionsdialog.h"
+#include "interfaces/iguiapplication.h"
 #include "ipsubnetwhitelistoptionsdialog.h"
 #include "rss/automatedrssdownloader.h"
 #include "ui_optionsdialog.h"
@@ -719,7 +719,7 @@ void OptionsDialog::saveOptions()
 #endif
     session->setPerformanceWarningEnabled(m_ui->checkBoxPerformanceWarning->isChecked());
 
-    auto *const app = static_cast<Application *>(QCoreApplication::instance());
+    auto *app = dynamic_cast<IApplication *>(QCoreApplication::instance());
     app->setFileLoggerPath(m_ui->textFileLogPath->selectedPath());
     app->setFileLoggerBackup(m_ui->checkFileLogBackup->isChecked());
     app->setFileLoggerMaxSize(m_ui->spinFileLogSize->value() * 1024);
@@ -969,7 +969,7 @@ void OptionsDialog::loadOptions()
 #endif
     m_ui->checkBoxPerformanceWarning->setChecked(session->isPerformanceWarningEnabled());
 
-    const Application *const app = static_cast<Application*>(QCoreApplication::instance());
+    const auto *app = dynamic_cast<IApplication *>(QCoreApplication::instance());
     m_ui->checkFileLog->setChecked(app->isFileLoggerEnabled());
     m_ui->textFileLogPath->setSelectedPath(app->fileLoggerPath());
     const bool fileLogBackup = app->isFileLoggerBackup();