26738af904
- Added a SHA1 hash verification of the downloaded resource file - Fixed the activation/deactivation of the QML UI to avoid burning the battery
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
#ifndef FILEDOWNLOADER_H
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#define FILEDOWNLOADER_H
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#include <QObject>
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#include <QByteArray>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <qdeclarative.h>
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#include <QTemporaryFile>
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class FileDownloader : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(qint64 received READ received NOTIFY receivedChanged)
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Q_PROPERTY(QUrl url READ getDownloadUrl WRITE setDownloadUrl NOTIFY downloadUrlChanged)
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Q_PROPERTY(QString hash READ getHash NOTIFY hashChanged)
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public:
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explicit FileDownloader(QString localPath, QObject *parent = 0);
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virtual ~FileDownloader();
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qint64 received() const {return m_received;};
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QUrl getDownloadUrl() {return m_downloadUrl;};
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QString getHash() {return m_hash;};
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signals:
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void receivedChanged();
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void downloadUrlChanged();
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void hashChanged();
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private slots:
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void fileDownloaded(QNetworkReply* pReply){
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if(m_tmp.write(pReply->readAll()) == -1) return;
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if(QFile(m_localPath).exists())
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QFile::remove(m_localPath);
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if(!m_tmp.rename(m_localPath)) return;
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computeHash(m_tmp);
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m_tmp.setAutoRemove(false);
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};
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void downloadProgress(qint64 bytesReceived, qint64 bytesTotal){
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m_received = bytesReceived*100/bytesTotal;
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emit receivedChanged();
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};
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void setDownloadUrl(QUrl url);
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void computeHash(QFile& file);
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private:
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QNetworkAccessManager m_WebCtrl;
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qint64 m_received;
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QTemporaryFile m_tmp;
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QString m_localPath;
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QUrl m_downloadUrl;
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QString m_hash;
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bool m_OK;
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};
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QML_DECLARE_TYPEINFO(FileDownloader, QML_HAS_ATTACHED_PROPERTIES)
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#endif // FILEDOWNLOADER_H
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