pollymc/logic/BaseInstance.h
2015-04-12 20:57:18 +02:00

197 lines
5.4 KiB
C++

/* Copyright 2013-2015 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 <QSet>
#include "settings/SettingsObject.h"
#include "settings/INIFile.h"
#include "BaseVersionList.h"
#include "auth/MojangAccount.h"
class QDir;
class Task;
class BaseProcess;
class BaseInstance;
// pointer for lazy people
typedef std::shared_ptr<BaseInstance> InstancePtr;
/*!
* \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, public std::enable_shared_from_this<BaseInstance>
{
Q_OBJECT
protected:
/// no-touchy!
BaseInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings, const QString &rootDir);
public:
/// virtual destructor to make sure the destruction is COMPLETE
virtual ~BaseInstance() {};
virtual void copy(const QDir &newDir) {}
virtual void init() = 0;
/// nuke thoroughly - deletes the instance contents, notifies the list/model which is
/// responsible of cleaning up the husk
void nuke();
/// The instance's ID. The ID SHALL be determined by MMC internally. The ID IS guaranteed to
/// be unique.
virtual QString id() const;
void setRunning(bool running);
bool isRunning() const;
/// get the type of this instance
QString instanceType() const;
/// Path to the instance's root directory.
QString instanceRoot() const;
QString name() const;
void setName(QString val);
/// Value used for instance window titles
QString windowTitle() const;
QString iconKey() const;
void setIconKey(QString val);
QString notes() const;
void setNotes(QString val);
QString group() const;
void setGroupInitial(QString val);
void setGroupPost(QString val);
virtual QStringList extraArguments() const;
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;
/*!
* Whether or not 'the game' should be downloaded when the instance is launched.
*/
virtual bool shouldUpdate() const = 0;
virtual void setShouldUpdate(bool val) = 0;
/// Traits. Normally inside the version, depends on instance implementation.
virtual QSet <QString> traits() = 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());
InstancePtr getSharedPtr();
/*!
* \brief Gets a pointer to this instance's version list.
* \return A pointer to the available version list for this instance.
*/
virtual std::shared_ptr<BaseVersionList> versionList() const = 0;
/*!
* \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
virtual std::shared_ptr<Task> doUpdate() = 0;
/// returns a valid process, ready for launch with the given account.
virtual BaseProcess *prepareForLaunch(AuthSessionPtr account) = 0;
/// do any necessary cleanups after the instance finishes. also runs before
/// 'prepareForLaunch'
virtual void cleanupAfterRun() = 0;
virtual QString getStatusbarDescription() = 0;
/// FIXME: this really should be elsewhere...
virtual QString instanceConfigFolder() const = 0;
enum InstanceFlag
{
VersionBrokenFlag = 0x01,
UpdateAvailable = 0x02
};
Q_DECLARE_FLAGS(InstanceFlags, InstanceFlag);
InstanceFlags flags() const;
void setFlags(const InstanceFlags &flags);
void setFlag(const InstanceFlag flag);
void unsetFlag(const InstanceFlag flag);
bool canLaunch() const;
virtual bool reload();
signals:
/*!
* \brief Signal emitted when properties relevant to the instance view change
*/
void propertiesChanged(BaseInstance *inst);
/*!
* \brief Signal emitted when groups are affected in any way
*/
void groupChanged();
/*!
* \brief The instance just got nuked. Hurray!
*/
void nuked(BaseInstance *inst);
void flagsChanged();
protected slots:
void iconUpdated(QString key);
protected:
QString m_rootDir;
QString m_group;
SettingsObjectPtr m_settings;
InstanceFlags m_flags;
bool m_isRunning = false;
};
Q_DECLARE_METATYPE(std::shared_ptr<BaseInstance>)
Q_DECLARE_METATYPE(BaseInstance::InstanceFlag)
Q_DECLARE_OPERATORS_FOR_FLAGS(BaseInstance::InstanceFlags)