#include "webview.h"
#include <QWebFrame>
#include <QNetworkReply>
#include <QMessageBox>
#include <QTimer>

WebView::WebView(QWidget* parent)
	: QWebView(parent),
	  _timer(new QTimer(this)),
	  _abortedDownload(false) {
	_timer->setSingleShot(true);
	connect(page(), SIGNAL(windowCloseRequested()), this, SLOT(windowCloseRequested()));
	page()->setForwardUnsupportedContent(true);
	page()->settings()->setAttribute(QWebSettings::LocalStorageEnabled, true);
	connect(page(), SIGNAL(unsupportedContent(QNetworkReply*)),this,SLOT(unsupportedContent(QNetworkReply*)));
	connect(page(), SIGNAL(downloadRequested(QNetworkRequest)),this,SLOT(downloadRequest(QNetworkRequest)));
	connect(_timer, SIGNAL(timeout()), this, SLOT(downloadDeniedMessage()));
}

void WebView::windowCloseRequested()
{
	// If we have an old URL stored on the stack, navigate back to it, otherwise we return and nothing happens
	if (_urls.empty())
		return;
	QUrl url = _urls.pop();
	page()->mainFrame()->load(url);
}

QWebView* WebView::createWindow(QWebPage::WebWindowType)
{
	// Remember current URL, then return the current Web View so no new window opens
	_urls.push(this->url());
	return this;
}

void WebView::unsupportedContent(QNetworkReply* rep)
{
	_abortedDownload = true;
	rep->abort();
	rep->deleteLater();
	_timer->start(1);
}

void WebView::downloadRequest(QNetworkRequest)
{
	_timer->start(1);
}

void WebView::downloadDeniedMessage()
{
	QMessageBox::warning(this->parentWidget(), QString::fromUtf8("Denied"),
			QString::fromUtf8("The requested action triggered a download, which is not allowed.\n\n"
					"Diese Aktion löst einen Download aus, was nicht erlaubt ist."));
}