104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// 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 flowln <flowlnlnln@gmail.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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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <cmath>
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#include <QNetworkReply>
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#include <QUrl>
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#include "QObjectPtr.h"
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#include "tasks/Task.h"
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static const QStringList s_units_si {"kb", "MB", "GB", "TB"};
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static const QStringList s_units_kibi {"kiB", "MiB", "Gib", "TiB"};
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inline QString humanReadableFileSize(qint64 bytes, bool use_si = false, int decimal_points = 1) {
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const QStringList units = use_si ? s_units_si : s_units_kibi;
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const int scale = use_si ? 1000 : 1024;
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double size = bytes;
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int u = -1;
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double r = pow(10, decimal_points);
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do {
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size /= scale;
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u++;
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} while (round(abs(size) * r) / r >= scale && u < units.length() - 1);
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return QString::number(size, 'f', 2) + " " + units[u];
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}
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class NetAction : public Task {
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Q_OBJECT
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protected:
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explicit NetAction() : Task() {};
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public:
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using Ptr = shared_qobject_ptr<NetAction>;
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virtual ~NetAction() = default;
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QUrl url() { return m_url; }
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void setNetwork(shared_qobject_ptr<QNetworkAccessManager> network) { m_network = network; }
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protected slots:
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virtual void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) = 0;
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virtual void downloadError(QNetworkReply::NetworkError error) = 0;
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virtual void downloadFinished() = 0;
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virtual void downloadReadyRead() = 0;
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public slots:
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void startAction(shared_qobject_ptr<QNetworkAccessManager> network)
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{
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m_network = network;
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executeTask();
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}
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protected:
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void executeTask() override {};
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public:
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shared_qobject_ptr<QNetworkAccessManager> m_network;
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/// the network reply
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unique_qobject_ptr<QNetworkReply> m_reply;
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/// source URL
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QUrl m_url;
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};
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