Reorganize logic code.

logic/LwjglVersionList.h

@@ -0,0 +1,148 @@
+/* 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 <QAbstractListModel>
+#include <QUrl>
+#include <QNetworkReply>
+
+#include <memory>
+
+class LWJGLVersion;
+typedef std::shared_ptr<LWJGLVersion> PtrLWJGLVersion;
+
+class LWJGLVersion : public QObject
+{
+	Q_OBJECT
+
+	LWJGLVersion(const QString &name, const QString &url, QObject *parent = 0)
+		: QObject(parent), m_name(name), m_url(url)
+	{
+	}
+
+public:
+
+	static PtrLWJGLVersion Create(const QString &name, const QString &url, QObject *parent = 0)
+	{
+		return PtrLWJGLVersion(new LWJGLVersion(name, url, parent));
+	}
+	;
+
+	QString name() const
+	{
+		return m_name;
+	}
+
+	QString url() const
+	{
+		return m_url;
+	}
+
+protected:
+	QString m_name;
+	QString m_url;
+};
+
+class LWJGLVersionList : public QAbstractListModel
+{
+	Q_OBJECT
+public:
+	explicit LWJGLVersionList(QObject *parent = 0);
+
+	bool isLoaded()
+	{
+		return m_vlist.length() > 0;
+	}
+
+	const PtrLWJGLVersion getVersion(const QString &versionName);
+	PtrLWJGLVersion at(int index)
+	{
+		return m_vlist[index];
+	}
+	const PtrLWJGLVersion at(int index) const
+	{
+		return m_vlist[index];
+	}
+
+	int count() const
+	{
+		return m_vlist.length();
+	}
+
+	virtual QVariant data(const QModelIndex &index, int role) const;
+	virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+	virtual int rowCount(const QModelIndex &parent) const
+	{
+		return count();
+	}
+	virtual int columnCount(const QModelIndex &parent) const;
+
+	virtual bool isLoading() const;
+	virtual bool errored() const
+	{
+		return m_errored;
+	}
+
+	virtual QString lastErrorMsg() const
+	{
+		return m_lastErrorMsg;
+	}
+
+public
+slots:
+	/*!
+	 * Loads the version list.
+	 * This is done asynchronously. On success, the loadListFinished() signal will
+	 * be emitted. The list model will be reset as well, resulting in the modelReset()
+	 * signal being emitted. Note that the model will be reset before loadListFinished() is
+	 * emitted.
+	 * If loading the list failed, the loadListFailed(QString msg),
+	 * signal will be emitted.
+	 */
+	virtual void loadList();
+
+signals:
+	/*!
+	 * Emitted when the list either starts or finishes loading.
+	 * \param loading Whether or not the list is loading.
+	 */
+	void loadingStateUpdated(bool loading);
+
+	void loadListFinished();
+
+	void loadListFailed(QString msg);
+
+private:
+	QList<PtrLWJGLVersion> m_vlist;
+
+	QNetworkReply *m_netReply;
+	QNetworkReply *reply;
+
+	bool m_loading;
+	bool m_errored;
+	QString m_lastErrorMsg;
+
+	void failed(QString msg);
+
+	void finished();
+
+	void setLoading(bool loading);
+
+private
+slots:
+	virtual void netRequestComplete();
+};