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#include "fbgui.h"
#include "javascriptinterface.h"
#include "sysinfo.h"
//-------------------------------------------------------------------------------------------------------
// Initialisation
//-------------------------------------------------------------------------------------------------------
/**
* A constructor.
*
* @param parent
* Is of type QWebFrame.
*/
JavascriptInterface::JavascriptInterface(QWebFrame *parent){
qxtLog->debug() << "Initializing javascript interface...";
_parent = parent;
}
//-------------------------------------------------------------------------------------------------------
/**
* An empty destructor.
*/
JavascriptInterface::~JavascriptInterface() { /* destructor dummy */ }
//-------------------------------------------------------------------------------------------------------
/**
* Attaches an instance of this class to the DOM of the HTML page.
*
* Attaches an instance of this class to the DOM of the HTML page.
* This enables the possibility to call slots/methods of this class in
* JavaScript functions of HTML page. It also calls the
* JavascriptInterface::loadJQuery() method.
*
* @see JavascriptInterface::loadJQuery()
*/
void JavascriptInterface::attachToDOM(){
_parent->addToJavaScriptWindowObject(QString("fbgui"), this);
loadJQuery();
}
//-------------------------------------------------------------------------------------------------------
/**
* This method load the required jQuery libraries into the HTML page.
*
* This method load the required jQuery libraries into the HTML page.
* The libraries are contained in the fbgui.qrc file.
* The Path to the files is: ":/html/js".
* Each library will be read and loaded into the HTML page via
* the evaluateJavaScript() method.
*
* @see JavascriptInterface::attachToDOM()
*/
void JavascriptInterface::loadJQuery(){
QString js;
QString pathToJsDir(DEFAULT_QRC_HTML_DIR);
pathToJsDir.append("/js");
QDir qrcJSDir(pathToJsDir);
QFileInfoList fiList = qrcJSDir.entryInfoList();
QFileInfo fi;
foreach(fi, fiList)
{
if(fi.suffix() == "js")
{
//qDebug()<< fi.fileName();
//qxtLog->debug() << fi.fileName();
if(fi.fileName()!="test.js")
{
QFile file;
file.setFileName(pathToJsDir + "/" + fi.fileName());
file.open(QIODevice::ReadOnly);
js = file.readAll();
file.close();
_parent->evaluateJavaScript(js);
//qxtLog->debug() << "evaluated " + fi.fileName();
}
}
}
}
//-------------------------------------------------------------------------------------------------------
// Javascript functions for webpage
//-------------------------------------------------------------------------------------------------------
/**
* This method start a download.
*
* This method start a download.
* Can be called from inside a JavaScript function of the HTML page.
* Emits the JavascriptInterface::requestFile(const QString) signal.
*/
void JavascriptInterface::startDownload(const QString& filename){
// ignore if empty filename
if (filename.isEmpty()){
_parent->evaluateJavaScript("alert(\"No filename!\")");
return;
}
emit requestFile(filename);
}
//-------------------------------------------------------------------------------------------------------
/**
* This method start a download.
*
* This method start a download.
* Can be called from inside a JavaScript function of the HTML page.
*
* @todo add some more informations
*/
void JavascriptInterface::setCallbackOnFinished(const QString& function){
qxtLog->debug() << "[jsi] Callback set: " << function;
_callbackOnDownloadsFinished = QString(function);
}
//-------------------------------------------------------------------------------------------------------
/**
* This method delivers system informations.
*
* This method delivers system informations. Type of informations, are defined by
* the parameter. The output of this method depends on the parameter.
* Can be called from inside a JavaScript function of the HTML page.
*
* @param infoName
* Is of type QString. Defines which method will be called. Possible values are:
* - mac
* - ip
* - mbserial
* - usb
*
* @return QString
* the output of the called method or "info_error" if an error occurred
* (e. g. invalid parameter).
*
* @see SysInfo::getInfo(const QString& infoName)
*/
const QString JavascriptInterface::getSysInfo(const QString& info){
SysInfo si;
return si.getInfo(info);
}
//-------------------------------------------------------------------------------------------------------
/**
* This method quits the whole program.
*
* This method quits the whole program.
* Can be called from inside a JavaScript function of the HTML page.
* Emits JavascriptInterface::quitFbgui() signal
*/
void JavascriptInterface::quit(){
emit quitFbgui();
}
//-------------------------------------------------------------------------------------------------------
// Download Manager information exchange
//-------------------------------------------------------------------------------------------------------
/**
* This method delivers some informations about the downloading file.
*
* This method delivers some informations about the downloading file.
*
* @todo add some more informations
*/
void JavascriptInterface::downloadInfo(const QString& filename, const double& filesize){
QString code = QString("downloadInfo('\%1', \%2)").arg(filename).arg(filesize);
_parent->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
/**
* This method updates the progress bar.
*
* This method updates the progress bar of the HTML page when an download
* happens.
*
* @todo add some more informations
*/
void JavascriptInterface::updateProgressBar(const int& percent, const double& speed, const QString& unit){
if (percent == 0) return;
QString code = QString("updateProgress(\%1, \%2, '\%3')").arg(percent).arg(speed).arg(unit);
_parent->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
/**
* This method sends notifications.
*
* @todo add some more informations.
*/
void JavascriptInterface::notify(const QString& msg){
qxtLog->debug() << "[jsi] Notifying: " << msg;
QString code = QString("notify('\%1')").arg(msg);
_parent->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
/**
* @todo add some more informations
*/
void JavascriptInterface::callbackOnFinished(){
QString code = QString("\%1").arg(_callbackOnDownloadsFinished);
_parent->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------
/**
* This method triggers the arriving of the IP address
*
* Used for testing. This method triggers the arriving of the IP address.
* Not needed in the final version since the here simulated event will be
* fired automaticali by the udhcpc command.
* This methods writes some data into a specific file. This file is watched by an
* other process which will fire an event as soon as the file changes.
*
* @see fbgui::watchForTrigger()
* @see fbgui::checkForTrigger(const QString& dirname)
* @see bool fbgui::checkHost()
* @see void fbgui::loadURL()
*/
void JavascriptInterface::trigger(){
QFile file(fileToTriggerURL);
if (file.open(QIODevice::WriteOnly)){
file.write("data\n");
qxtLog->debug() << "[jsi] *trigger watcher*";
}
file.close();
}
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