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annotate ui/installwrapper.h @ 389:3be838c3e4d8

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Handle installation success. Save / load last installed list. This also adds a feature that you can specifiy the download resource when release build is not set so that you can update a list without modifying the server data.
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 15 Apr 2014 19:05:49 +0200
parents a507e5f1b999
children 17e1c8f37d72
rev   line source
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1 #ifndef UI_INSTALLWRAPPER_H
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2 #define UI_INSTALLWRAPPER_H
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3
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4 #include <QFileInfo>
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5 #include <QString>
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6 #include <QStringList>
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7 #include <QTemporaryFile>
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8 #include <QThread>
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9
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10 #include "certificate.h"
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11 /** @file installwrapper.h
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12 * @brief Wrapper around the call to the updated process */
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13
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14 /** @brief Get the FileInfo for the installation process.
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15 *
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16 * This points to the file where the installation process is
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17 * supposed to be.
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18 *
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19 * @returns A FileInfo with the path of the installation process.*/
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20 QFileInfo getCinstProcInfo();
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21
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22 /** @brief wrapper around installer process
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23 *
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24 * This wrapper is mostly needed because QProcess executes
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25 * a process on Windows directly with CreateProcess and
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26 * thus can not be used to elevate the Process.
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27 *
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28 * On Windows this class uses ShellExecuteExW to control
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29 * the child process. On Linux systems QProcess is used.
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30 *
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31 * It subclasses QThread so the installation can be done
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32 * asynchronusly. */
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33 class InstallWrapper : public QThread
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34 {
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35 Q_OBJECT
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36
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37 public:
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38 /**
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39 * @brief Construct an installwrapper for a certificateList
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40 *
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41 * The install wrapper will start the cinst process to execute
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42 * the specified instructions with the provided certificatelist.
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43 *
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44 * The cinst executable is expected to be in the same directory
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45 * as the current application.
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46 *
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47 * @param[in] parent the parent object.
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48 * @param[in] listFileName the absolute path to the certificatelist.
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49 * @param[in] choices a list of R: / I: <cert> lines to execute.
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50 */
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51 InstallWrapper(QObject* parent, const QString& path,
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52 const QStringList& instructions);
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53
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54 private:
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55 /**@brief write the choices made into a temporary file
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56 *
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57 * @param[in] choicesFile the temporary file to write.
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58 *
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59 * @returns true on success. false on error.
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60 */
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61 bool writeChoices(QTemporaryFile* choicesFile) const;
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62
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63 const QString mCertListFile;
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64 const QStringList mChoices;
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65
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66 protected:
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67 void run();
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68
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69 Q_SIGNALS:
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70 /**
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71 * @brief An error happened
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72 *
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73 * @param[out] message: A localized message to show. Can be empty.
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74 */
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75 void error(const QString &message);
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76
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77 /**
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78 * @brief The installation was successful
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79 *
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80 * This only means the installation was successful as far as we
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81 * can tell as there is no backchannel from the installation processes.
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82 */
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83 void installationSuccessful();
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84 };
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85
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86 #endif // UI_INSTALLWRAPPER_H
http://wald.intevation.org/projects/trustbridge/