Working on legacy support, incomplete.

backend/ModList.h

@@ -0,0 +1,75 @@
+// 
+//  Copyright 2012 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
+// 
+#pragma once
+
+class LegacyInstance;
+class BaseInstance;
+#include <QList>
+#include <QString>
+#include <QDir>
+
+#include "Mod.h"
+
+/**
+ * A basic mod list.
+ * Backed by a folder.
+ */
+class ModList : public QObject
+{
+	Q_OBJECT
+public:
+	ModList(const QString& dir = QString());
+
+	size_t size() { return mods.size(); };
+	Mod& operator[](size_t index) { return mods[index]; };
+	
+	/// Reloads the mod list and returns true if the list changed.
+	virtual bool update();
+
+	/// Adds the given mod to the list at the given index.
+	virtual bool installMod(const QFileInfo& filename, size_t index = 0);
+
+	/// Deletes the mod at the given index.
+	virtual bool deleteMod(size_t index);
+	
+	/**
+	 * move the mod at index to the position N
+	 * 0 is the beginning of the list, length() is the end of the list.
+	 */
+	virtual bool moveMod(size_t from, size_t to) { return false; };
+	
+	virtual bool isValid();
+	
+signals:
+	virtual void changed();
+protected:
+	QDir m_dir;
+	QList<Mod> mods;
+};
+
+/**
+ * A jar mod list.
+ * Backed by a folder and a file which specifies the load order.
+ */
+class JarModList : public ModList
+{
+	Q_OBJECT
+public:
+	JarModList(const QString& dir, const QString& list_file, LegacyInstance * inst)
+		: ModList(dir), m_listfile(list_file), m_inst(inst) {}
+
+	virtual bool update();
+	virtual bool installMod(const QString &filename, size_t index);
+	virtual bool deleteMod(size_t index);
+	virtual bool moveMod(size_t from, size_t to);
+protected:
+	QString m_listfile;
+	LegacyInstance * m_inst;
+};