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/*
* Copyright (c) 2010,2011 - RZ Uni Freiburg
* Copyright (c) 2010,2011 - OpenSLX Project
*
* This program/file is free software distributed under the GPL version 2.
* See http://openslx.org/COPYING
*
* If you have any feedback please consult http://openslx.org/feedback and
* send your feedback to feedback@openslx.org
*
* General information about OpenSLX can be found under http://openslx.org
*
*
* Main class of the fbgui:
* - Manages display of components and their communications
*
*/
#ifndef FBGUI_H
#define FBGUI_H
#include <QWSServer>
#include <QtGui>
#include <QtWebKit>
// Internal default settings
#define DEFAULT_URL "http://www.google.com"
#define DEFAULT_DOWNLOAD_DIR "/tmp/fbgui"
#define DEFAULT_CONFIG_PATH "/etc/fbgui.conf"
#define DEFAULT_LOG_FILE_PATH "/tmp/fbgui.log"
#define DEFAULT_UPDATE_INTERVAL 1;
#define DEFAULT_QRC_HTML_DIR ":/html"
#define DEFAULT_FILE_TRIGGER "/tmp/fbgui/trigger"
// Global settings variables
extern QString logFilePath;
extern QString ipConfigFilePath;
extern QThread dmThread;
extern QString serialLocation;
extern QString fileToTriggerURL;
extern QString sessionID;
extern QString binPath;
extern QString downloadPath;
extern QUrl baseURL;
extern int debugMode;
extern int updateInterval;
class fbgui: public QMainWindow
{
Q_OBJECT
public:
fbgui();
~fbgui();
public slots:
void init();
private:
//-------------------
// layout setup:
//-------------------
// Sets the layout depending on the debug mode:
// no debug or debugMode = 0 -> only browser shown.
// debugMode = 1 -> split main window in browser and debug console.
void setupLayout();
// Create all actions for the GUI. (Currently only quit.)
void createActions();
// Create a debug console widget as QTextEdit in order to print debug messages
// directly within the GUI. This was needed since ttys can't really be used
// for debugging purposes in the preboot environment.
void createDebugConsole();
//----------------------------------------
// control the display of components:
//----------------------------------------
// watches for the file triggering the loading of the URL.
// the file can be specified by the corresponding option.
void watchForTrigger();
bool checkHost() const;
void loadURL();
QByteArray generatePOSTData();
//----------------------------------
// widgets constituing the gui:
//----------------------------------
// QWebView for displaying internet content
QWebView* _webView;
// QSplitter to split the main window in two resizable frames.
QSplitter* _splitter;
// QTextEdit implementing a minimalistic debug console.
QTextEdit* _debugConsole;
//------------------
// action list:
//------------------
// closes the main window provoking the application to quit.
QAction* _quit;
// triggers toggleDebugConsole()
QAction* _toggleDebugConsole;
// watcher to detect changes in the observed directory.
QFileSystemWatcher* _watcher;
QFile* _logFile;
QTextStream* _logFileIn;
private slots:
// toggles debug console when action _toggleDebugConsole happens.
void toggleDebugConsole();
void refreshDebugConsole(const QString&);
// This function is triggered by fileChanged Signal of _watcher.
// It deletes _watcher, since we don't need it anymore and tries to load URL.
void prepareURLLoad(const QString&);
void loadURLDone(bool success);
// shut off the system
void performShutDown();
// reboot the system
void performReboot();
// shows "loading system" page
void loadSystem();
// prepares kexec by loading downloaded initramfs, kernel into kexec
void prepareKexec();
// executes: kexec -e
void runKexec();
};
#endif // FBGUI_H
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