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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#if !defined(Q_MOC_RUN)
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#include <mutex>
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#include <functional>
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#include <QObject>
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#include <QMap>
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#endif
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namespace News
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{
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class QtDownloader;
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//! QtDownloadManager handles multiple asynchronous downloads
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class QtDownloadManager
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: public QObject
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{
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Q_OBJECT
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public:
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QtDownloadManager();
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~QtDownloadManager();
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//! Asynchronously download a file from the input url and return it as QByteArray via the success callback
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/*!
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\param url - file url to download
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\param downloadSuccessCallback - if download is successful pass file's data as QByteArray
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\param downloadFailCallback - if download failed, pass error message
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*/
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void Download(const QString& url,
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std::function<void(QByteArray)> downloadSuccessCallback,
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std::function<void()> downloadFailCallback);
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//! Aborts all currently active downloads. Success/failure callbacks will not be called.
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void Abort();
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private:
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void successfulReply(int downloadId, QByteArray data);
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void failedReply(int downloadId);
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QtDownloader* m_worker = nullptr;
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struct DownloadResponses
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{
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std::function<void(QByteArray)> downloadSuccessCallback;
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std::function<void()> downloadFailCallback;
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};
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QMap<int, DownloadResponses> m_downloads;
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};
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}
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