Massive renaming in the backend folder, all around restructure in the same.

backend/tasks/GameUpdateTask.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 <QList>
+
+#include <QNetworkAccessManager>
+#include <QUrl>
+#include "dlqueue.h"
+
+#include "Task.h"
+#include "tasks/LoginResponse.h"
+#include "BaseInstance.h"
+
+#include "libmmc_config.h"
+
+class MinecraftVersion;
+
+/*!
+ * The game update task is the task that handles downloading instances' files.
+ */
+class LIBMULTIMC_EXPORT GameUpdateTask : public Task
+{
+	Q_OBJECT
+	
+	/*!
+	 * The task's state.
+	 * A certain state message will be shown depending on what this is set to.
+	 */
+	Q_PROPERTY(int state READ state WRITE setState)
+	
+	/*!
+	 * The substatus message.
+	 * This will be next to the the state message in the task's status.
+	 */
+	Q_PROPERTY(QString subStatus READ subStatus WRITE setSubStatus)
+public:
+	explicit GameUpdateTask(const LoginResponse &response, BaseInstance *inst, QObject *parent = 0);
+	
+	
+	/////////////////////////
+	// EXECUTION FUNCTIONS //
+	/////////////////////////
+	
+	virtual void executeTask();
+	
+	//////////////////////
+	// STATE AND STATUS //
+	//////////////////////
+	
+	virtual int state() const;
+	virtual void setState(int state, bool resetSubStatus = true);
+	
+	virtual QString subStatus() const;
+	virtual void setSubStatus(const QString &msg);
+	
+	/*!
+	 * Gets the message that will be displated for the given state.
+	 */
+	virtual QString getStateMessage(int state);
+	
+private:
+	void getLegacyJar();
+	void determineNewVersion();
+	
+public slots:
+	
+	/*!
+	 * Updates the status message based on the state and substatus message.
+	 */
+	virtual void updateStatus();
+	
+	
+	virtual void error(const QString &msg);
+	
+	
+private slots:
+	void updateDownloadProgress(qint64 current, qint64 total);
+	void legacyJarFinished();
+	void legacyJarFailed();
+	
+	void versionFileFinished();
+	void versionFileFailed();
+	
+	void jarlibFinished();
+	void jarlibFailed();
+	
+signals:
+	/*!
+	 * \brief Signal emitted when the game update is complete.
+	 * \param response The login response received from login task.
+	 */
+	void gameUpdateComplete(const LoginResponse &response);
+	
+	/*!
+	 * \brief Signal emitted if an error occurrs during the update.
+	 * \param errorMsg An error message to be displayed to the user.
+	 */
+	void gameUpdateError(const QString &errorMsg);
+	
+private:
+	///////////
+	// STUFF //
+	///////////
+	
+	BaseInstance *m_inst;
+	LoginResponse m_response;
+	
+	////////////////////////////
+	// STATE AND STATUS STUFF //
+	////////////////////////////
+	
+	int m_updateState;
+	QString m_subStatusMsg;
+	
+	enum UpdateState
+	{
+		// Initializing
+		StateInit = 0,
+		
+		// Determining files to download
+		StateDetermineURLs,
+		
+		// Downloading files
+		StateDownloadFiles,
+		
+		// Installing files
+		StateInstall,
+		
+		// Finished
+		StateFinished
+	};
+	JobListPtr legacyDownloadJob;
+	JobListPtr specificVersionDownloadJob;
+	JobListPtr jarlibDownloadJob;
+	JobListQueue download_queue;
+	
+	// target version, determined during this task
+	MinecraftVersion *targetVersion;
+};
+
+