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50
51#ifndef DOWNLOADMANAGER_H
52#define DOWNLOADMANAGER_H
53
54#include <QtNetwork>
55#include <QtCore>
56
57#include "textprogressbar.h"
58
59class DownloadManager: public QObject
60{
61 Q_OBJECT
62public:
63 explicit DownloadManager(QObject *parent = nullptr);
64
65 void append(const QUrl &url);
66 void append(const QStringList &urls);
67 static QString saveFileName(const QUrl &url);
68
69signals:
70 void finished();
71
72private slots:
73 void startNextDownload();
74 void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
75 void downloadFinished();
76 void downloadReadyRead();
77
78private:
79 bool isHttpRedirect() const;
80 void reportRedirect();
81
82 QNetworkAccessManager manager;
83 QQueue<QUrl> downloadQueue;
84 QNetworkReply *currentDownload = nullptr;
85 QFile output;
86 QElapsedTimer downloadTimer;
87 TextProgressBar progressBar;
88
89 int downloadedCount = 0;
90 int totalCount = 0;
91};
92
93#endif
94

source code of qtbase/examples/network/downloadmanager/downloadmanager.h