100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/* === This file is part of Calamares - <https://calamares.io> ===
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*
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* SPDX-FileCopyrightText: 2019-2020 Adriaan de Groot <groot@kde.org>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Calamares is Free Software: see the License-Identifier above.
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*
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*
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*/
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#ifndef CALAMARES_REQUIREMENTSMODEL_H
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#define CALAMARES_REQUIREMENTSMODEL_H
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#include "Requirement.h"
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#include "DllMacro.h"
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#include <QAbstractListModel>
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#include <QMutex>
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namespace Calamares
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{
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class RequirementsChecker;
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/** @brief System requirements from each module and their checked-status
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*
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* A Calamares module can have system requirements (e.g. check for
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* internet, or amount of RAM, or an available disk) which can
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* be stated and checked.
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*
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* This model collects those requirements, can run the checks, and
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* reports on the overall status of those checks.
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*/
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class DLLEXPORT RequirementsModel : public QAbstractListModel
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{
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Q_OBJECT
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Q_PROPERTY( bool satisfiedRequirements READ satisfiedRequirements NOTIFY satisfiedRequirementsChanged FINAL )
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Q_PROPERTY( bool satisfiedMandatory READ satisfiedMandatory NOTIFY satisfiedMandatoryChanged FINAL )
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Q_PROPERTY( QString progressMessage READ progressMessage NOTIFY progressMessageChanged FINAL )
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public:
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using QAbstractListModel::QAbstractListModel;
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enum Roles : short
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{
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NegatedText = Qt::DisplayRole,
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Details = Qt::ToolTipRole,
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Name = Qt::UserRole,
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Satisfied,
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Mandatory,
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HasDetails
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};
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// No Q_ENUM because these are exposed through roleNames()
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///@brief Are all the requirements satisfied?
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bool satisfiedRequirements() const { return m_satisfiedRequirements; }
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///@brief Are all the **mandatory** requirements satisfied?
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bool satisfiedMandatory() const { return m_satisfiedMandatory; }
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///@brief Message (from an ongoing check) about progress
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QString progressMessage() const { return m_progressMessage; }
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QVariant data( const QModelIndex& index, int role ) const override;
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int rowCount( const QModelIndex& ) const override; // TODO 3.4 use qsizetype
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int count() const { return static_cast< int >( m_requirements.count() ); } // TODO 3.4 use qsizetype
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///@brief Debugging tool, describe the checking-state
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void describe() const;
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///@brief Update progress message (called by the checker)
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void setProgressMessage( const QString& m );
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///@brief Append some requirements; resets the model
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void addRequirementsList( const Calamares::RequirementsList& requirements );
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///@brief Check the whole list, emit signals satisfied...()
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void reCheckList();
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signals:
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void satisfiedRequirementsChanged( bool value );
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void satisfiedMandatoryChanged( bool value );
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void progressMessageChanged( QString message );
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protected:
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QHash< int, QByteArray > roleNames() const override;
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///@brief Clears the requirements; resets the model
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void clear();
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private:
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QString m_progressMessage;
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QMutex m_addLock;
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RequirementsList m_requirements;
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bool m_satisfiedRequirements = false;
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bool m_satisfiedMandatory = false;
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};
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} // namespace Calamares
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#endif
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