ThreadTask for all your ThreadNeeds

Use only when absolutely required.

CMakeLists.txt

@@ -47,11 +47,13 @@ find_package(Qt5Core REQUIRED)
 find_package(Qt5Widgets REQUIRED)
 find_package(Qt5Network REQUIRED)
 find_package(Qt5Test REQUIRED)
+find_package(Qt5Concurrent REQUIRED)
 find_package(Qt5LinguistTools REQUIRED)
 
 include_directories(
 	${Qt5Core_INCLUDE_DIRS}
 	${Qt5Widgets_INCLUDE_DIRS}
+	${Qt5Concurrent_INCLUDE_DIRS}
 	${Qt5Network_INCLUDE_DIRS}
 	${Qt5Test_INCLUDE_DIRS}
   )
@@ -398,6 +400,8 @@ logic/EnabledItemFilter.cpp
 logic/tasks/ProgressProvider.h
 logic/tasks/Task.h
 logic/tasks/Task.cpp
+logic/tasks/ThreadTask.h
+logic/tasks/ThreadTask.cpp
 logic/tasks/SequentialTask.h
 logic/tasks/SequentialTask.cpp
 
@@ -512,8 +516,8 @@ ADD_EXECUTABLE(MultiMC MACOSX_BUNDLE WIN32 main.cpp ${MULTIMC_RCS})
 # Link
 TARGET_LINK_LIBRARIES(MultiMC MultiMC_common)
 TARGET_LINK_LIBRARIES(MultiMC_common xz-embedded unpack200 quazip libUtil libSettings libGroupView ${MultiMC_LINK_ADDITIONAL_LIBS})
-QT5_USE_MODULES(MultiMC Core Widgets Network Xml ${MultiMC_QT_ADDITIONAL_MODULES})
-QT5_USE_MODULES(MultiMC_common Core Widgets Network Xml ${MultiMC_QT_ADDITIONAL_MODULES})
+QT5_USE_MODULES(MultiMC Core Widgets Network Xml Concurrent ${MultiMC_QT_ADDITIONAL_MODULES})
+QT5_USE_MODULES(MultiMC_common Core Widgets Network Xml Concurrent ${MultiMC_QT_ADDITIONAL_MODULES})
 ADD_DEPENDENCIES(MultiMC_common MultiMCLauncher JavaCheck)
 
 ################################ INSTALLATION AND PACKAGING ################################

gui/MainWindow.cpp

@@ -90,6 +90,7 @@
 #include "logic/assets/AssetsUtils.h"
 #include "logic/assets/AssetsMigrateTask.h"
 #include <logic/updater/UpdateChecker.h>
+#include <logic/tasks/ThreadTask.h>
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)
 {
@@ -1169,8 +1170,10 @@ void MainWindow::checkMigrateLegacyAssets()
 	{
 		ProgressDialog migrateDlg(this);
 		AssetsMigrateTask migrateTask(legacyAssets, &migrateDlg);
+		{
+			ThreadTask threadTask(&migrateTask);
 
-		if (migrateDlg.exec(&migrateTask))
+			if (migrateDlg.exec(&threadTask))
 			{
 				QLOG_INFO() << "Assets migration task completed successfully";
 			}
@@ -1179,6 +1182,7 @@ void MainWindow::checkMigrateLegacyAssets()
 				QLOG_INFO() << "Assets migration task reported failure";
 			}
 		}
+	}
 	else
 	{
 		QLOG_INFO() << "Didn't find any legacy assets to migrate";

logic/assets/AssetsMigrateTask.cpp

@@ -4,6 +4,7 @@
 #include <QJsonObject>
 #include <QJsonDocument>
 #include <QDirIterator>
+#include <QCryptographicHash>
 #include "gui/dialogs/CustomMessageBox.h"
 #include <QDesktopServices>
 
@@ -139,3 +140,4 @@ void AssetsMigrateTask::executeTask()
 		emitSucceeded();
 	}
 }
+

logic/tasks/ThreadTask.cpp

@@ -0,0 +1,41 @@
+#include "ThreadTask.h"
+#include <QtConcurrentRun>
+ThreadTask::ThreadTask(Task * internal, QObject *parent) : Task(parent), m_internal(internal)
+{
+}
+
+void ThreadTask::start()
+{
+	connect(m_internal, SIGNAL(failed(QString)), SLOT(iternal_failed(QString)));
+	connect(m_internal, SIGNAL(progress(qint64,qint64)), SLOT(iternal_progress(qint64,qint64)));
+	connect(m_internal, SIGNAL(started()), SLOT(iternal_started()));
+	connect(m_internal, SIGNAL(status(QString)), SLOT(iternal_status(QString)));
+	connect(m_internal, SIGNAL(succeeded()), SLOT(iternal_succeeded()));
+	m_running = true;
+	QtConcurrent::run(m_internal, &Task::start);
+}
+
+void ThreadTask::iternal_failed(QString reason)
+{
+	emitFailed(reason);
+}
+
+void ThreadTask::iternal_progress(qint64 current, qint64 total)
+{
+	progress(current, total);
+}
+
+void ThreadTask::iternal_started()
+{
+	emit started();
+}
+
+void ThreadTask::iternal_status(QString status)
+{
+	setStatus(status);
+}
+
+void ThreadTask::iternal_succeeded()
+{
+	emitSucceeded();
+}

logic/tasks/ThreadTask.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Task.h"
+
+class ThreadTask : public Task
+{
+	Q_OBJECT
+public:
+	explicit ThreadTask(Task * internal, QObject * parent = nullptr);
+
+protected:
+	void executeTask() {};
+
+public slots:
+	virtual void start();
+
+private slots:
+	void iternal_started();
+	void iternal_progress(qint64 current, qint64 total);
+	void iternal_succeeded();
+	void iternal_failed(QString reason);
+	void iternal_status(QString status);
+private:
+	Task * m_internal;
+};