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/**
* @class ndgui
*
* @brief the GUI.
*
* This class is responsible for creating and displaying the user interface.
* It also connects the webView via QWebBridge to javascript functions inside the html files.
*/
#include "ndgui.h"
#include "javascriptinterfacendgui.h"
#include <log4cxx/logger.h>
#include "qlog4cxx.h"
using namespace log4cxx;
using namespace log4cxx::helpers;
LoggerPtr ndLogger(Logger::getLogger("fbgui.nd"));
/**
* constructor
*/
ndgui::ndgui() :
agui() {
}
/**
* destructor
*/
ndgui::~ndgui() {
delete _allowUserChoice;
delete _tryAgain;
delete _networkDiscovery;
}
/**
* @brief initialize all variables and prepare everything for a successful run
*/
void ndgui::init() {
LOG4CXX_DEBUG(ndLogger, "Initializing ndgui...");
setWindowTitle(tr("NetD"));
_started = false;
_userChoice = false;
addActions();
_networkDiscovery = new NetworkDiscovery();
_jsi = new JavascriptInterfaceNDGUI(_webView->page()->mainFrame(), _networkDiscovery);
connect(_networkDiscovery, SIGNAL(abortBoot(QString)), _jsi,
SLOT(abortBoot(const QString)));
connect(_networkDiscovery, SIGNAL(updateStatus(QString)), _jsi,
SLOT(updateStatus(const QString&)));
connect(_networkDiscovery, SIGNAL(addInterface(const QString &)), _jsi,
SLOT(addInterface( const QString &)));
connect(_networkDiscovery, SIGNAL(updateIfStatus(QString,QString)), _jsi,
SLOT(updateIfStatus(const QString &, const QString &)));
connect(_networkDiscovery,
SIGNAL(changeProgressBarValue(const QString & , const int& )),
_jsi, SLOT(updateIfProgressBar(const QString & , const int&)));
connect(_networkDiscovery, SIGNAL(connectionEstablished(QString)), this,
SLOT(handleConnectionEstablished(QString)));
connect(_networkDiscovery, SIGNAL(allProcessesFinished()), this,
SLOT(handleAllProcessesFinished()));
connect(_jsi, SIGNAL(startFbgui(const QString&)), this,
SLOT(continueBoot(const QString&)));
connect(_networkDiscovery, SIGNAL(continueBootWithoutCheck(QString )),
this, SLOT(continueBootWithoutCheck(QString)));
connect(_webView->page()->mainFrame(), SIGNAL(
javaScriptWindowObjectCleared()), _jsi, SLOT(attachToDOM()));
connect(_webView, SIGNAL(loadFinished(bool)), this, SLOT(startNetworkDiscovery()));
if (debugMode > -1) {
_webView->load(QUrl("qrc:html/networkdiscovery_debug.html"));
} else {
_webView->load(QUrl("qrc:html/networkdiscovery.html"));
}
showFullScreen();
}
/**
* @brief Add actions
*
* Add actions which you can trigger with the F5 and F9 Button.
*/
void ndgui::addActions() {
_allowUserChoice = new QAction(tr("&userChoice"), this);
_allowUserChoice->setShortcut(QKeySequence(Qt::Key_F5));
connect(_allowUserChoice, SIGNAL(triggered()), this, SLOT(setUserChoiceTrue()));
this->addAction(_allowUserChoice);
_tryAgain = new QAction(tr("&tryAgain"), this);
_tryAgain->setShortcut(QKeySequence(Qt::Key_F9));
connect(_tryAgain, SIGNAL(triggered()), this, SLOT(tryAgain()));
this->addAction(_tryAgain);
}
/**
* @brief set userChoice true
*
* is the connected to the triggered action pressing the F5 button.
* set the _userChoice member true
*/
void ndgui::setUserChoiceTrue() {
_userChoice = true;
}
/**
* @brief start the network discovery
*
* main starting point of the whole procedure.
* disconnect the loadFinished signal with the startNetworkDiscovery
* and starts the networkDiscovery.
*/
void ndgui::startNetworkDiscovery() {
if (!_started) {
_started = true;
_networkDiscovery->initAndRun(_userChoice);
} else {
LOG4CXX_DEBUG(ndLogger, "NetworkDiscovery already started");
}
}
/**
* @brief handle if a interface is able to connect
*
* if we have a user choice (_userChoice = true) than networkDiscovery will
* emit connectionEstablished signals.
* Add the interface name to a _ifNameList. This list holds all interfaces
* the user can choose out of.
*/
void ndgui::handleConnectionEstablished(QString ifName) {
_ifNameList.append(ifName);
}
/**
* @brief determines if we continue the boot sequence or if we show the chooseInterface or abortBoot dialog
*
* if we have a user choice (_userChoice = true) than networkDiscovery will
* emit a allProcessesFinished signal if all processes are done.
* This method determines if user will see an abort boot dialog (no interface names in
* the ifNameList list) or an
* choose interface dialog (one or more interface names in the list (add with
* handleConnectionEstablished)).
*/
void ndgui::handleAllProcessesFinished() {
LOG4CXX_DEBUG(ndLogger, "all Processes finished");
_allowUserChoice->setEnabled(false);
if (_ifNameList.size() > 0) {
if (_userChoice) {
_jsi->chooseInterfaceDialog(_ifNameList);
} else {
foreach(QString i, _ifNameList)
{
if (_networkDiscovery->checkConnectivity(i)) {
continueBootWithoutCheck(i);
break;
}
}
}
} else {
LOG4CXX_DEBUG(ndLogger, " No usable interfaces found!: " << _networkDiscovery->GetErrorStr());
LOG4CXX_DEBUG(ndLogger, " list is empty");
_jsi->abortBoot("No usable interfaces found!"
+ _networkDiscovery->GetErrorStr());
}
}
/**
* @brief continue the boot sequence
*
* represents the end of the NetworkDiscovery life time.
* will start the fbgui screen. All networkDiscovery signals
* will be ignored after this point.
*/
void ndgui::continueBoot(const QString& ifName) {
if (_networkDiscovery->checkConnectivity(ifName)) {
LOG4CXX_DEBUG(ndLogger, " continue with interface: " << ifName);
gInterfaceName = ifName;
emit initFbgui();
this->close();
} else {
_jsi->abortBoot("Interface was suddenly made unusable. Please check the log and try again.");
}
}
/**
* @brief continue the boot sequence without further checking if the connection is still possible.
*/
void ndgui::continueBootWithoutCheck(QString ifName) {
LOG4CXX_DEBUG(ndLogger, " continue with interface: " << ifName);
gInterfaceName = ifName;
emit initFbgui();
this->close();
}
/**
* @brief crashes everything :)
*/
void ndgui::tryAgain() {
LOG4CXX_DEBUG(ndLogger, " try again ");
_networkDiscovery->prepareTryAgain();
delete _allowUserChoice;
delete _tryAgain;
delete _networkDiscovery;
_ifNameList.clear();
init();
}
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