sneedmc/libmultimc/include/instversionlist.h
2013-03-08 13:56:26 -06:00

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2.0 KiB
C++

/* 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.
*/
#ifndef INSTVERSIONLIST_H
#define INSTVERSIONLIST_H
#include <QObject>
#include "libmmc_config.h"
class InstVersion;
class Task;
/*!
* \brief Class that each instance type's version list derives from.
* Version lists are the lists that keep track of the available game versions
* for that instance. This list will not be loaded on startup. It will be loaded
* when the list's load function is called. Before using the version list, you
* should check to see if it has been loaded yet and if not, load the list.
*/
class LIBMULTIMC_EXPORT InstVersionList : public QObject
{
Q_OBJECT
public:
explicit InstVersionList(QObject *parent = 0);
/*!
* \brief Gets a task that will reload the version list.
* Simply execute the task to load the list.
* \return A pointer to a task that reloads the version list.
*/
virtual Task *getLoadTask() = 0;
//! Checks whether or not the list is loaded. If this returns false, the list should be loaded.
virtual bool isLoaded() = 0;
//! Gets the version at the given index.
virtual const InstVersion *at(int i) const = 0;
//! Returns the number of versions in the list.
virtual int count() const = 0;
/*!
* \brief Finds a version by its descriptor.
* \param The descriptor of the version to find.
* \return A const pointer to the version with the given descriptor. NULL if
* one doesn't exist.
*/
virtual const InstVersion *findVersion(const QString &descriptor);
};
#endif // INSTVERSIONLIST_H