Mercurial > trustbridge > trustbridge
comparison ui/downloader.h @ 10:fe39d93f1261
Start on Downloader component
| author | Andre Heinecke <aheinecke@intevation.de> |
|---|---|
| date | Thu, 13 Feb 2014 14:43:15 +0000 |
| parents | |
| children | 95e1b6edf2fc |
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| 9:2ad9a96518e3 | 10:fe39d93f1261 |
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| 1 #ifndef DOWNLOADER_H | |
| 2 #define DOWNLOADER_H | |
| 3 /** | |
| 4 * @file downloader.h | |
| 5 * @brief High level API to download necessary data. | |
| 6 * | |
| 7 */ | |
| 8 | |
| 9 #include <QThread> | |
| 10 #include <QString> | |
| 11 #include <QByteArray> | |
| 12 | |
| 13 class Downloader: public QThread | |
| 14 { | |
| 15 Q_OBJECT | |
| 16 | |
| 17 public: | |
| 18 /** | |
| 19 * @brief Construct a downloader to download data from url | |
| 20 * | |
| 21 * Takes the builtin certificate for https verification. | |
| 22 * | |
| 23 * @param[in] parent the parent object. | |
| 24 * @param[in] url the Url to download data from. | |
| 25 */ | |
| 26 Downloader(QObject* parent, const QString& url); | |
| 27 | |
| 28 /** | |
| 29 * @brief Construct a downloader with a specific certificate | |
| 30 * | |
| 31 * @param[in] parent the parent object. | |
| 32 * @param[in] url the Url to download data from | |
| 33 * @param[in] certificate to accept https connection from | |
| 34 */ | |
| 35 Downloader(QObject* parent, const QString& url, | |
| 36 const QByteArray& certificate); | |
| 37 | |
| 38 enum Status { | |
| 39 NewSoftwareAvailable, // A Software Update has been downloaded | |
| 40 NewListAvailable, // A certificate list has been downloaded | |
| 41 UpToDate, // Nothing changed | |
| 42 Error // An error happened | |
| 43 }; | |
| 44 | |
| 45 enum ErrorCode { | |
| 46 NoConnection, | |
| 47 InvalidCertificate, | |
| 48 ConnectionLost, | |
| 49 Timeout, | |
| 50 Unknown | |
| 51 }; | |
| 52 | |
| 53 /** | |
| 54 * @brief Construct a downloader with a specific certificate | |
| 55 * | |
| 56 * @param[in] url the Url to download data from | |
| 57 * @param[in] certificate to accept https connection from | |
| 58 */ | |
| 59 QString getDownloadedFileName(); | |
| 60 | |
| 61 protected: | |
| 62 void run(); | |
| 63 | |
| 64 private: | |
| 65 QString mUrl; | |
| 66 QByteArray mCert; | |
| 67 | |
| 68 Q_SIGNALS: | |
| 69 /** | |
| 70 * @brief Some progress has been made. | |
| 71 * | |
| 72 * @param[out] message: A message to show. Can be empty. | |
| 73 * @param[out] current: Value of current progress. | |
| 74 * @param[out] total: Total value of possible progress | |
| 75 */ | |
| 76 void progress(const QString &message, int current, int total); | |
| 77 | |
| 78 /** | |
| 79 * @brief An error happened | |
| 80 * | |
| 81 * @param[out] message: A message to show. Can be empty. | |
| 82 * @param[out] errorCode: ErrorCode of this error. | |
| 83 * @param[out] total: Total value of possible progress. | |
| 84 */ | |
| 85 void error(const QString &message, ErrorCode error); | |
| 86 }; | |
| 87 #endif |