#include "fbbrowser.h"
#include "JSObject.h"
#include "DownloadManager.h"

#include <QFile>
#include <QFileInfo>
#include <QtWebKit>
// -------------------------------------------------------------------------------------------
void fbbrowser::forwardDownloadRequest(QString& filename)
{
	// Forge URL for filename from baseUrl
	QUrl fileUrl;
	fileUrl = baseUrl.resolved(QUrl(filename));
	emit downloadFile(fileUrl);
}
// -------------------------------------------------------------------------------------------
void fbbrowser::forwardUpdateProgress(int progress)
{
	emit updateProgress(progress);
}
// -------------------------------------------------------------------------------------------
void fbbrowser::quit()
{
	emit killApp();
}
// -------------------------------------------------------------------------------------------
fbbrowser::fbbrowser(const QUrl & url)
{
	mw = new QMainWindow(this);
	view = new QWebView(mw);
 	baseUrl = url;
	// Create QNetworkAccessManager which is needed to send/receive requests.
	manager = new QNetworkAccessManager(this);
	// Create a QNetworkRequest object and set its URL.
	request.setUrl(url);
	// Let the manager send the request and receive the reply.
    reply = manager->get(request);
	// TODO: error differentiation
	if(reply->error() == QNetworkReply::NoError)
	{
		qDebug() << "Loading: " << url.toString();
		view->load(url);
	}
	else 
	{
	    qDebug() << "QNetworkReply error code is: " << reply->error();
		qDebug() << "Error occured, loading error page...";
		view->load(QUrl("qrc:/html/errorPage.html"));
	}

	// Enable Javascript through JSObject.
	qwf = view->page()->mainFrame();
	jso = new JSObject(qwf);
	//jso->setParent(qwf);
	QObject::connect(qwf, SIGNAL(javaScriptWindowObjectCleared()),
					 jso, SLOT(attachToDOM()));
	QObject::connect(jso, SIGNAL(requestFile(QString&)), this, SLOT(forwardDownloadRequest(QString&)));
	QObject::connect(this, SIGNAL(updateProgress(int)), jso, SLOT(updateProgress(int)));
	QObject::connect(jso, SIGNAL(signalQuitAll()), this, SLOT(quit()));

	// Initialize Download Manager.
	dm = new DownloadManager();
	QObject::connect(this, SIGNAL(downloadFile(QUrl&)), dm, SLOT(downloadFile(QUrl&)));
	QObject::connect(dm, SIGNAL(updateProgress(int)), this, SLOT(forwardUpdateProgress(int)));

	// Remove the window decoration, form to fullscreen, central view?
	mw->setWindowFlags(Qt::SplashScreen);
	mw->showFullScreen();
	mw->setCentralWidget(view);
}
// -------------------------------------------------------------------------------------------
fbbrowser::~fbbrowser()
{
	delete mw;
	delete view;
	delete manager;
	delete dm;
	delete jso;
}