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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file 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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*
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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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