/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 **********************************************************************/

#pragma once

#include "../../devbackend.h"
#include <memory>
#include <QHash>
#include <QSet>
#include <QVariantMap>
#include "dbus/manager.h"

class QDBusObjectPath;
class QStandardItemModel;
class QStandardItem;
class QDBusInterface;
class QDBusPendingCallWatcher;

typedef std::shared_ptr<QDBusInterface> QDBusInterface_ptr;

namespace LeechCraft
{
namespace Vrooby
{
namespace UDisks2
{
	class Backend : public DevBackend
	{
		Q_OBJECT

		QStandardItemModel *DevicesModel_;

		org::freedesktop::DBus::ObjectManager *UDisksObj_ = nullptr;
		QHash<QString, QStandardItem*> Object2Item_;
		QSet<QString> Unremovables_;
	public:
		Backend (const ICoreProxy_ptr&);

		QString GetBackendName () const;
		bool IsAvailable ();
		void Start ();

		bool SupportsDevType (DeviceType) const;
		QAbstractItemModel* GetDevicesModel () const;
		void MountDevice (const QString&);
	private:
		void InitialEnumerate ();
		bool AddPath (const QDBusObjectPath&);
		void RemovePath (const QDBusObjectPath&);

		struct ItemInterfaces
		{
			QDBusInterface_ptr Partition_;
			QDBusInterface_ptr FS_;
			QDBusInterface_ptr Block_;
			QDBusInterface_ptr Drive_;
			QDBusInterface_ptr Props_;
		};
		void SetItemData (const ItemInterfaces&, QStandardItem*);
	public slots:
		void toggleMount (const QString&);
	private slots:
		void mountCallFinished (QDBusPendingCallWatcher*);
		void umountCallFinished (QDBusPendingCallWatcher*);
		void handleEnumerationFinished (QDBusPendingCallWatcher*);
		void handleDeviceAdded (const QDBusObjectPath&, const VariantMapMap_t&);
		void handleDeviceRemoved (const QDBusObjectPath&);
		void handleDeviceChanged (const QDBusMessage&);
		void updateDeviceSpaces ();
	};
}
}
}
