Move all the things (YES. Move them.)

Also, implemented some basic modlist logic, to be wired up.

logic/BaseInstance.h

@@ -0,0 +1,145 @@
+/* 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 <QDateTime>
+
+#include <settingsobject.h>
+
+#include "inifile.h"
+#include "lists/InstVersionList.h"
+
+class QDialog;
+class BaseUpdate;
+class MinecraftProcess;
+class OneSixUpdate;
+class InstanceList;
+class BaseInstancePrivate;
+
+/*!
+ * \brief Base class for instances.
+ * This class implements many functions that are common between instances and 
+ * provides a standard interface for all instances.
+ * 
+ * To create a new instance type, create a new class inheriting from this class
+ * and implement the pure virtual functions.
+ */
+class BaseInstance : public QObject
+{
+	Q_OBJECT
+protected:
+	/// no-touchy!
+	BaseInstance(BaseInstancePrivate * d, const QString &rootDir, SettingsObject * settings, QObject *parent = 0);
+public:
+	/// virtual destructor to make sure the destruction is COMPLETE
+	virtual ~BaseInstance() {};
+	
+	/// The instance's ID. The ID SHALL be determined by MMC internally. The ID IS guaranteed to be unique.
+	QString id() const;
+	
+	/// get the type of this instance
+	QString instanceType() const;
+	
+	/// Path to the instance's root directory.
+	QString instanceRoot() const;
+	
+	/// Path to the instance's minecraft directory.
+	QString minecraftRoot() const;
+	
+	QString name() const;
+	void setName(QString val);
+	
+	QString iconKey() const;
+	void setIconKey(QString val);
+	
+	QString notes() const;
+	void setNotes(QString val);
+	
+	QString group() const;
+	void setGroup(QString val);
+	
+	virtual QString intendedVersionId() const = 0;
+	virtual bool setIntendedVersionId(QString version) = 0;
+	
+	/*!
+	 * The instance's current version.
+	 * This value represents the instance's current version. If this value is 
+	 * different from the intendedVersion, the instance should be updated.
+	 * \warning Don't change this value unless you know what you're doing.
+	 */
+	virtual QString currentVersionId() const = 0;
+	//virtual void setCurrentVersionId(QString val) = 0;
+	
+	/*!
+	 * Whether or not Minecraft should be downloaded when the instance is launched.
+	 */
+	virtual bool shouldUpdate() const = 0;
+	virtual void setShouldUpdate(bool val) = 0;
+	
+	/**
+	 * Gets the time that the instance was last launched.
+	 * Stored in milliseconds since epoch.
+	 */
+	qint64 lastLaunch() const;
+	/// Sets the last launched time to 'val' milliseconds since epoch
+	void setLastLaunch(qint64 val = QDateTime::currentMSecsSinceEpoch());
+	
+	/*!
+	 * \brief Gets the instance list that this instance is a part of. 
+	 *        Returns NULL if this instance is not in a list 
+	 *        (the parent is not an InstanceList).
+	 * \return A pointer to the InstanceList containing this instance. 
+	 */
+	InstanceList *instList() const;
+	
+	/*!
+	 * \brief Gets a pointer to this instance's version list.
+	 * \return A pointer to the available version list for this instance.
+	 */
+	virtual InstVersionList *versionList() const;
+	
+	/*!
+	 * \brief Gets this instance's settings object.
+	 * This settings object stores instance-specific settings.
+	 * \return A pointer to this instance's settings object.
+	 */
+	virtual SettingsObject &settings() const;
+	
+	/// returns a valid update task if update is needed, NULL otherwise
+	virtual BaseUpdate* doUpdate() = 0;
+	
+	/// returns a valid minecraft process, ready for launch
+	virtual MinecraftProcess* prepareForLaunch(QString user, QString session) = 0;
+	
+	/// do any necessary cleanups after the instance finishes. also runs before 'prepareForLaunch'
+	virtual void cleanupAfterRun() = 0;
+	
+	/// create a mod edit dialog for the instance
+	virtual QSharedPointer<QDialog> createModEditDialog ( QWidget* parent ) = 0;
+signals:
+	/*!
+	 * \brief Signal emitted when properties relevant to the instance view change
+	 */
+	void propertiesChanged(BaseInstance * inst);
+	
+protected:
+	QSharedPointer<BaseInstancePrivate> inst_d;
+};
+
+// pointer for lazy people
+typedef QSharedPointer<BaseInstance> InstancePtr;
+