doxygen/html/fbgui_8h_source.html

00001 /*
-00002  * Copyright (c) 2010,2011 - RZ Uni Freiburg
-00003  * Copyright (c) 2010,2011 - OpenSLX Project
-00004  *
-00005  * This program/file is free software distributed under the GPL version 2.
-00006  * See http://openslx.org/COPYING
-00007  *
-00008  * If you have any feedback please consult http://openslx.org/feedback and
-00009  * send your feedback to feedback@openslx.org
-00010  *
-00011  * General information about OpenSLX can be found under http://openslx.org
-00012  *
-00013  *
-00014  *         Main class of the fbgui:
-00015  *              - Manages display of components and their communications
-00016  *
-00017  */
-00018
-00019 #ifndef FBGUI_H
-00020 #define FBGUI_H
-00021
-00022 #include <QWSServer>
-00023 #include <QtGui>
-00024 #include <QtWebKit>
-00025 #include <QxtCore>
-00026
-00027 // Internal default settings
-00028 #define DEFAULT_URL "http://www.google.com"
-00029 #define DEFAULT_DOWNLOAD_DIR "/tmp/fbgui"
-00030 #define DEFAULT_CONFIG_PATH "/etc/fbgui.conf"
-00031 #define DEFAULT_LOG_FILE_PATH "/tmp/fbgui.log"
-00032 #define DEFAULT_UPDATE_INTERVAL 1;
-00033 #define DEFAULT_QRC_HTML_DIR ":/html"
-00034 #define DEFAULT_FILE_TRIGGER "/tmp/fbgui/trigger"
-00035
-00036 // Global settings variables
-00037 extern QString logFilePath;
-00038 extern QString ipConfigFilePath;
-00039 extern QThread dmThread;
-00040 extern QString serialLocation;
-00041 extern QString fileToTriggerURL;
-00042 extern QString sessionID;
-00043 extern QString binPath;
-00044 extern QString downloadPath;
-00045 extern QUrl baseURL;
-00046 extern int debugMode;
-00047 extern int updateInterval;
-00048
-00049 class fbgui: public QMainWindow {
-00050 Q_OBJECT
-00051
-00052 public:
-00053    fbgui();
-00054    ~fbgui();
-00055
-00056 public slots:
-00057         void init();
-00058
-00059 private:
-00060    //-------------------
-00061    //   layout setup:
-00062    //-------------------
-00063    // Sets the layout depending on the debug mode:
-00064    //   no debug or debugMode = 0 -> only browser shown.
-00065    //   debugMode = 1             -> split main window in browser and debug console.
-00066    void setupLayout();
-00067    // Create all actions for the GUI. (Currently only quit.)
-00068    void createActions();
-00069    // Create a debug console widget as QTextEdit in order to print debug messages
-00070    // directly within the GUI. This was needed since ttys can't really be used
-00071    // for debugging purposes in the preboot environment.
-00072    void createDebugConsole();
-00073
-00074    //----------------------------------------
-00075    //   control the display of components:
-00076    //----------------------------------------
-00077    // watches for the file triggering the loading of the URL.
-00078    // the file can be specified by the corresponding option.
-00079    void watchForTrigger();
-00080    bool checkHost() const;
-00081    void loadURL();
-00082    QByteArray generatePOSTData();
-00083
-00084    //----------------------------------
-00085    //   widgets constituing the gui:
-00086    //----------------------------------
-00087    // QWebView for displaying internet content
-00088    QWebView* _webView;
-00089    // QSplitter to split the main window in two resizable frames.
-00090    QSplitter* _splitter;
-00091    // QTextEdit implementing a minimalistic debug console.
-00092    QTextEdit* _debugConsole;
-00093
-00094    //------------------
-00095    //   action list:
-00096    //------------------
-00097    // closes the main window provoking the application to quit.
-00098    QAction* _quit;
-00099    // triggers toggleDebugConsole()
-00100    QAction* _toggleDebugConsole;
-00101
-00102    // watcher to detect changes in the observed directory.
-00103    QFileSystemWatcher* _watcher;
-00104
-00105 private slots:
-00106    // toggles debug console when action _toggleDebugConsole happens.
-00107    void toggleDebugConsole();
-00108
-00109    // This function is triggered by fileChanged Signal of _watcher.
-00110    // It deletes _watcher, since we don't need it anymore and tries to load URL.
-00111    void prepareURLLoad();
-00112    void loadURLDone(bool success);
-00113
-00114    // shut off the system
-00115    void performShutDown();
-00116    // reboot the system
-00117    void performReboot();
-00118    // shows "loading system" page
-00119    void loadSystem();
-00120    // prepares kexec by loading downloaded initramfs, kernel into kexec
-00121    void prepareKexec();
-00122    // executes: kexec -e
-00123    void runKexec();
-00124 };
-00125
-00126 #endif // FBGUI_H
-