Initial upload of HyprArch releng configuration

airootfs/usr/include/libcalamares/modulesystem/RequirementsModel.h

@@ -0,0 +1,100 @@
+/* === This file is part of Calamares - <https://calamares.io> ===
+ *
+ *   SPDX-FileCopyrightText: 2019-2020 Adriaan de Groot <groot@kde.org>
+ *   SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   Calamares is Free Software: see the License-Identifier above.
+ *
+ *
+ */
+
+#ifndef CALAMARES_REQUIREMENTSMODEL_H
+#define CALAMARES_REQUIREMENTSMODEL_H
+
+#include "Requirement.h"
+
+#include "DllMacro.h"
+
+#include <QAbstractListModel>
+#include <QMutex>
+
+namespace Calamares
+{
+class RequirementsChecker;
+
+/** @brief System requirements from each module and their checked-status
+ *
+ * A Calamares module can have system requirements (e.g. check for
+ * internet, or amount of RAM, or an available disk) which can
+ * be stated and checked.
+ *
+ * This model collects those requirements, can run the checks, and
+ * reports on the overall status of those checks.
+ */
+class DLLEXPORT RequirementsModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY( bool satisfiedRequirements READ satisfiedRequirements NOTIFY satisfiedRequirementsChanged FINAL )
+    Q_PROPERTY( bool satisfiedMandatory READ satisfiedMandatory NOTIFY satisfiedMandatoryChanged FINAL )
+    Q_PROPERTY( QString progressMessage READ progressMessage NOTIFY progressMessageChanged FINAL )
+
+public:
+    using QAbstractListModel::QAbstractListModel;
+
+    enum Roles : short
+    {
+        NegatedText = Qt::DisplayRole,
+        Details = Qt::ToolTipRole,
+        Name = Qt::UserRole,
+        Satisfied,
+        Mandatory,
+        HasDetails
+    };
+    // No Q_ENUM because these are exposed through roleNames()
+
+    ///@brief Are all the requirements satisfied?
+    bool satisfiedRequirements() const { return m_satisfiedRequirements; }
+    ///@brief Are all the **mandatory** requirements satisfied?
+    bool satisfiedMandatory() const { return m_satisfiedMandatory; }
+    ///@brief Message (from an ongoing check) about progress
+    QString progressMessage() const { return m_progressMessage; }
+
+
+    QVariant data( const QModelIndex& index, int role ) const override;
+    int rowCount( const QModelIndex& ) const override;  // TODO 3.4 use qsizetype
+    int count() const { return static_cast< int >( m_requirements.count() ); }  // TODO 3.4 use qsizetype
+
+    ///@brief Debugging tool, describe the checking-state
+    void describe() const;
+
+    ///@brief Update progress message (called by the checker)
+    void setProgressMessage( const QString& m );
+
+    ///@brief Append some requirements; resets the model
+    void addRequirementsList( const Calamares::RequirementsList& requirements );
+
+    ///@brief Check the whole list, emit signals satisfied...()
+    void reCheckList();
+
+signals:
+    void satisfiedRequirementsChanged( bool value );
+    void satisfiedMandatoryChanged( bool value );
+    void progressMessageChanged( QString message );
+
+protected:
+    QHash< int, QByteArray > roleNames() const override;
+
+    ///@brief Clears the requirements; resets the model
+    void clear();
+
+private:
+    QString m_progressMessage;
+    QMutex m_addLock;
+    RequirementsList m_requirements;
+    bool m_satisfiedRequirements = false;
+    bool m_satisfiedMandatory = false;
+};
+
+}  // namespace Calamares
+
+#endif