88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
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// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Kenneth Chew <kenneth.c0@protonmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef LAUNCHER_EXTERNALUPDATER_H
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#define LAUNCHER_EXTERNALUPDATER_H
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#include <QObject>
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/*!
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* A base class for an updater that uses an external library.
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* This class contains basic functions to control the updater.
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*
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* To implement the updater on a new platform, create a new class that inherits from this class and
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* implement the pure virtual functions.
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*
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* The initializer of the new class should have the side effect of starting the automatic updater. That is,
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* once the class is initialized, the program should automatically check for updates if necessary.
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*/
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class ExternalUpdater : public QObject
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{
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Q_OBJECT
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public:
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/*!
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* Check for updates manually, showing the user a progress bar and an alert if no updates are found.
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*/
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virtual void checkForUpdates() = 0;
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/*!
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* Indicates whether or not to check for updates automatically.
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*/
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virtual bool getAutomaticallyChecksForUpdates() = 0;
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/*!
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* Indicates the current automatic update check interval in seconds.
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*/
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virtual double getUpdateCheckInterval() = 0;
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/*!
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* Indicates whether or not beta updates should be checked for in addition to regular releases.
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*/
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virtual bool getBetaAllowed() = 0;
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/*!
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* Set whether or not to check for updates automatically.
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*/
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virtual void setAutomaticallyChecksForUpdates(bool check) = 0;
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/*!
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* Set the current automatic update check interval in seconds.
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*/
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virtual void setUpdateCheckInterval(double seconds) = 0;
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/*!
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* Set whether or not beta updates should be checked for in addition to regular releases.
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*/
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virtual void setBetaAllowed(bool allowed) = 0;
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signals:
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/*!
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* Emits whenever the user's ability to check for updates changes.
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*
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* As per Sparkle documentation, "An update check can be made by the user when an update session isn’t in progress,
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* or when an update or its progress is being shown to the user. A user cannot check for updates when data (such
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* as the feed or an update) is still being downloaded automatically in the background.
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*
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* This property is suitable to use for menu item validation for seeing if checkForUpdates can be invoked."
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*/
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void canCheckForUpdatesChanged(bool canCheck);
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};
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#endif //LAUNCHER_EXTERNALUPDATER_H
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