Move a good chunk of the singleton objects into a new QApplication subclass.

logic/net/DownloadJob.cpp

@@ -1,6 +1,6 @@
 #include "DownloadJob.h"
 #include "pathutils.h"
-#include "NetWorker.h"
+#include "MultiMC.h"
 
 Download::Download (QUrl url, QString target_path, QString expected_md5 )
 	:Job()
@@ -49,8 +49,8 @@ void Download::start()
 	QNetworkRequest request ( m_url );
 	request.setRawHeader(QString("If-None-Match").toLatin1(), m_expected_md5.toLatin1()); 
 	
-	auto &worker = NetWorker::qnam();
-	QNetworkReply * rep = worker.get ( request );
+	auto worker = MMC->qnam();
+	QNetworkReply * rep = worker->get ( request );
 	
 	m_reply = QSharedPointer<QNetworkReply> ( rep, &QObject::deleteLater );
 	connect ( rep, SIGNAL ( downloadProgress ( qint64,qint64 ) ), SLOT ( downloadProgress ( qint64,qint64 ) ) );

logic/net/NetWorker.cpp

@@ -1,30 +0,0 @@
-#include "NetWorker.h"
-#include <QThreadStorage>
-
-class NetWorker::Private
-{
-public:
-	QNetworkAccessManager manager;
-};
-
-NetWorker::NetWorker ( QObject* parent ) : QObject ( parent )
-{
-	d = new Private();
-}
-
-QNetworkAccessManager& NetWorker::qnam()
-{
-	auto & w = worker();
-	return w.d->manager;
-}
-
-
-NetWorker& NetWorker::worker()
-{
-	static QThreadStorage<NetWorker *> storage;
-	if (!storage.hasLocalData())
-	{
-		storage.setLocalData(new NetWorker());
-	}
-	return *storage.localData();
-}

logic/net/NetWorker.h

@@ -1,31 +0,0 @@
-/*
-        _.ooo-._
-      .OOOP   _ '. 
-     dOOOO   (_)  \
-    OOOOOb         |
-    OOOOOOb.       |
-    OOOOOOOOb      |
-     YOO(_)OOO    /
-      'OOOOOY  _.'
-        '""""''
-*/
-#pragma once
-
-#include <QNetworkAccessManager>
-#include <QUrl>
-
-class NetWorker : public QObject
-{
-	Q_OBJECT
-public:
-	// for high level access to the sevices (preferred)
-	static NetWorker &worker();
-	// for low-level access to the network manager object
-	static QNetworkAccessManager &qnam();
-public:
-	
-private:
-	explicit NetWorker ( QObject* parent = 0 );
-	class Private;
-	Private * d;
-};