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diff --git a/backend/lists/InstanceList.h b/backend/lists/InstanceList.h
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+++ b/backend/lists/InstanceList.h
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+/* 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 <QObject>
+#include <QSharedPointer>
+
+#include "BaseInstance.h"
+#include "libmmc_config.h"
+
+class BaseInstance;
+
+class LIBMULTIMC_EXPORT InstanceList : public QObject
+{
+	Q_OBJECT
+private:
+	/*!
+	 * \brief Get the instance groups
+	 */
+	void loadGroupList(QMap<QString, QString> & groupList);
+	
+public:
+	explicit InstanceList(const QString &instDir, QObject *parent = 0);
+	
+	/*!
+	 * \brief Error codes returned by functions in the InstanceList class.
+	 * NoError Indicates that no error occurred.
+	 * UnknownError indicates that an unspecified error occurred.
+	 */
+	enum InstListError
+	{
+		NoError = 0,
+		UnknownError
+	};
+	
+	QString instDir() const { return m_instDir; }
+	
+	/*!
+	 * \brief Loads the instance list. Triggers notifications.
+	 */
+	InstListError loadList();
+	
+	/*!
+	 * \brief Get the instance at index
+	 */
+	InstancePtr at(int i) const
+	{
+		return m_instances.at(i);
+	};
+	
+	/*!
+	 * \brief Get the count of loaded instances
+	 */
+	int count() const
+	{
+		return m_instances.count();
+	};
+	
+	/// Clear all instances. Triggers notifications.
+	void clear();
+	
+	/// Add an instance. Triggers notifications, returns the new index
+	int add(InstancePtr t);
+	
+	/// Get an instance by ID
+	InstancePtr getInstanceById (QString id);
+
+signals:
+	void instanceAdded(int index);
+	void instanceChanged(int index);
+	void invalidated();
+	
+private slots:
+	void propertiesChanged(BaseInstance * inst);
+	
+protected:
+	QString m_instDir;
+	QList< InstancePtr > m_instances;
+};