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/**************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
**************************************************************************/
#ifndef UNINSTALLERCALCULATOR_H
#define UNINSTALLERCALCULATOR_H
#include "installer_global.h"
#include "qinstallerglobal.h"
#include <QHash>
#include <QList>
#include <QSet>
#include <QString>
namespace QInstaller {
class Component;
class PackageManagerCore;
class INSTALLER_EXPORT UninstallerCalculator
{
public:
enum UninstallReasonType
{
Selected, // "Deselected Component(s)"
Replaced, // "Component(s) replaced by other components"
VirtualDependent, // "No dependencies to virtual component"
Dependent, // "Removed as dependency component is removed"
AutoDependent // "Removed as autodependency component is removed"
};
UninstallerCalculator(const QList<Component *> &installedComponents, PackageManagerCore *core,
const AutoDependencyHash &autoDependencyComponentHash,
const LocalDependencyHash &localDependencyComponentHash,
const QStringList &localVirtualComponents);
QSet<Component*> componentsToUninstall() const;
void appendComponentsToUninstall(const QList<Component*> &components, const bool reverse = false);
void removeComponentsFromUnInstall(const QList<Component*> &components);
void insertUninstallReason(Component *component,
const UninstallReasonType uninstallReason,
const QString &referencedComponentName = QString());
QString uninstallReason(Component *component) const;
UninstallerCalculator::UninstallReasonType uninstallReasonType(Component *c) const;
QString uninstallReasonReferencedComponent(Component *component) const;
private:
void appendComponentToUninstall(Component *component, const bool reverse);
void appendVirtualComponentsToUninstall(const bool reverse);
QList<Component *> m_installedComponents;
QSet<Component *> m_componentsToUninstall;
PackageManagerCore *m_core;
QHash<QString, QPair<UninstallReasonType, QString> > m_toUninstallComponentIdReasonHash;
AutoDependencyHash m_autoDependencyComponentHash;
LocalDependencyHash m_localDependencyComponentHash;
QStringList m_localVirtualComponents;
QList<Component *> m_virtualComponentsForReverse;
};
}
#endif // UNINSTALLERCALCULATOR_H
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