File indexing completed on 2024-05-05 17:33:22 

0001 /*
0002  *   SPDX-FileCopyrightText: 2012 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
0003  *
0004  *   SPDX-License-Identifier: LGPL-2.0-or-later
0005  */
0006 
0007 #pragma once
0008 
0009 #include "AbstractResourcesBackend.h"
0010 #include "discovercommon_export.h"
0011 #include <QDateTime>
0012 #include <QSet>
0013 #include <QTimer>
0014 #include <resources/AbstractBackendUpdater.h>
0015 
0016 class AbstractResourcesBackend;
0017 
0018 class DISCOVERCOMMON_EXPORT StandardBackendUpdater : public AbstractBackendUpdater
0019 {
0020     Q_OBJECT
0021     Q_PROPERTY(int updatesCount READ updatesCount NOTIFY updatesCountChanged)
0022 public:
0023     explicit StandardBackendUpdater(AbstractResourcesBackend *parent = nullptr);
0024 
0025     bool hasUpdates() const override;
0026     qreal progress() const override;
0027     void start() override;
0028 
0029     QList<AbstractResource *> toUpdate() const override;
0030     void addResources(const QList<AbstractResource *> &apps) override;
0031     void removeResources(const QList<AbstractResource *> &apps) override;
0032     void prepare() override;
0033     QDateTime lastUpdate() const override;
0034     bool isCancelable() const override;
0035     bool isProgressing() const override;
0036     bool isMarked(AbstractResource *res) const override;
0037     double updateSize() const override;
0038     void setProgress(qreal p);
0039     int updatesCount() const;
0040     void cancel() override;
0041     quint64 downloadSpeed() const override;
0042 
0043 Q_SIGNALS:
0044     void cancelTransaction();
0045     void updatesCountChanged(int updatesCount);
0046 
0047 public Q_SLOTS:
0048     void transactionRemoved(Transaction *t);
0049     void cleanup();
0050 
0051 private:
0052     void resourcesChanged(AbstractResource *res, const QVector<QByteArray> &props);
0053     void refreshUpdateable();
0054     void transactionAdded(Transaction *newTransaction);
0055     void transactionProgressChanged();
0056     void refreshProgress();
0057     QVector<Transaction *> transactions() const;
0058 
0059     QSet<AbstractResource *> m_toUpgrade;
0060     QSet<AbstractResource *> m_upgradeable;
0061     AbstractResourcesBackend *const m_backend;
0062     QSet<AbstractResource *> m_pendingResources;
0063     bool m_settingUp;
0064     qreal m_progress;
0065     QDateTime m_lastUpdate;
0066     QTimer m_timer;
0067     bool m_canCancel = false;
0068     bool m_anyTransactionFailed = false;
0069 };