alexpete
72 lines
2.1 KiB
C++
72 lines
2.1 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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class QNetworkAccessManager;
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class QNetworkReply;
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class QThread;
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namespace News
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{
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//! QtDownloader is a wrapper around Qt's file download functions
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/*!
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The QtDownloader spins up another thread and does all downloads in that thread.
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The public slot methods (Finish, Download and Abort) can all be called from any thread.
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The response signals (successfullyFinished and failed) should be QObject::connect to with
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Qt::QueuedConnection, as they will be emitted from the worker thread.
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*/
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class QtDownloader
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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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QtDownloader();
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~QtDownloader();
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public Q_SLOTS:
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void Finish();
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int Download(const QString& url);
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void Abort();
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Q_SIGNALS:
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void successfullyFinished(int downloadId, QByteArray data);
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void failed(int downloadId);
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// ***********************************************
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// private - DO NOT CONNECT TO outside of the class!
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// (qt signals can't be made private)
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void triggerAbortAll();
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void triggerDownload(int downloadId, QString url);
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void triggerQuit();
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// ***********************************************
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private:
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void downloadFinished(QNetworkReply* reply);
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int m_lastId = 0;
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QMap<QNetworkReply*, int> m_downloads;
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QNetworkAccessManager* m_networkManager = nullptr;
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QThread* m_thread;
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};
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}
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