/*
 * javascriptinterfacefbgui.cpp
 *
 *  Created on: Feb 21, 2012
 *      Author: joe
 */

#include "javascriptinterfacefbgui.h"
#include "sysinfo.h"

JavascriptInterfaceFBGUI::JavascriptInterfaceFBGUI(QWebFrame* parent)
	: JavascriptInterface(parent){
}

JavascriptInterfaceFBGUI::~JavascriptInterfaceFBGUI() {
}

//-------------------------------------------------------------------------------------------------------
//                                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 JavascriptInterfaceFBGUI::startDownload(const QString& filename) {
   // ignore if empty filename
   if (filename.isEmpty()) {
      _targetFrame->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 JavascriptInterfaceFBGUI::setCallbackOnFinished(const QString& function) {
   //LOG4CXX_DEBUG(jsiLogger, "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 JavascriptInterfaceFBGUI::getSysInfo(const QString& info) {
   SysInfo si;
   return si.getInfo(info);
}

//-------------------------------------------------------------------------------------------------------
//                            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 JavascriptInterfaceFBGUI::downloadInfo(const QString& filename,
      const double& filesize) {
   QString code = QString("downloadInfo('\%1', \%2)").arg(filename).arg(
         filesize);
   _targetFrame->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
/**
 * This method updates the progress bar.
 *
 * This method calls a Javascript function to update the progress bar of the download.
 * Javascript must have a function called "updateProgress" to receive this information.
 *
 * @todo add some more informations
 */
void JavascriptInterfaceFBGUI::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);
   _targetFrame->evaluateJavaScript(code);
}
//-------------------------------------------------------------------------------------------------------
/**
 * Sets a callback function for when downloads are finished (will be called when the queue is empty).
 */
void JavascriptInterfaceFBGUI::callbackOnFinished() {
   QString code = QString("\%1").arg(_callbackOnDownloadsFinished);
   _targetFrame->evaluateJavaScript(code);
}