Begin the transformation!

Nuke all the things.

logic/forge/ForgeXzDownload.h

@@ -0,0 +1,66 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "logic/net/NetAction.h"
+#include "logic/net/HttpMetaCache.h"
+#include <QFile>
+#include <QTemporaryFile>
+#include "ForgeMirror.h"
+
+typedef std::shared_ptr<class ForgeXzDownload> ForgeXzDownloadPtr;
+
+class ForgeXzDownload : public NetAction
+{
+	Q_OBJECT
+public:
+	MetaEntryPtr m_entry;
+	/// if saving to file, use the one specified in this string
+	QString m_target_path;
+	/// this is the output file, if any
+	QTemporaryFile m_pack200_xz_file;
+	/// mirror index (NOT OPTICS, I SWEAR)
+	int m_mirror_index = 0;
+	/// list of mirrors to use. Mirror has the url base
+	QList<ForgeMirror> m_mirrors;
+	/// path relative to the mirror base
+	QString m_url_path;
+
+public:
+	explicit ForgeXzDownload(QString relative_path, MetaEntryPtr entry);
+	static ForgeXzDownloadPtr make(QString relative_path, MetaEntryPtr entry)
+	{
+		return ForgeXzDownloadPtr(new ForgeXzDownload(relative_path, entry));
+	}
+	virtual ~ForgeXzDownload(){};
+	void setMirrors(QList<ForgeMirror> & mirrors);
+
+protected
+slots:
+	virtual void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
+	virtual void downloadError(QNetworkReply::NetworkError error);
+	virtual void downloadFinished();
+	virtual void downloadReadyRead();
+
+public
+slots:
+	virtual void start();
+
+private:
+	void decompressAndInstall();
+	void failAndTryNextMirror();
+	void updateUrl();
+};