#include "slxbrowser.h"
#include "webview.h"
#include <QtWebKitWidgets>
#include <QWebPage>
#include <QNetworkReply>
#include <QSslConfiguration>
#include <QProgressBar>
SLXbrowser::SLXbrowser(QString url, bool fullscreen, bool ignoreSslErrors, int reloadIntervalSeconds)
: QMainWindow(nullptr),
_url(url),
_ignoreSslErrors(ignoreSslErrors),
_unsupportedUri(false),
_reloadIntervalMs(reloadIntervalSeconds * 1000)
{
if (fullscreen) {
this->showFullScreen();
this->setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
}
//QWebSettings::globalSettings()->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);
QWidget *w = new QWidget;
QLayout *l = new QVBoxLayout;
_browser = new WebView;
_progress = new QProgressBar;
_progress->hide();
l->addWidget(_browser);
l->addWidget(_progress);
l->setMargin(0);
l->setSpacing(0);
l->setContentsMargins(0,0,0,0);
w->setContentsMargins(0,0,0,0);
w->setLayout(l);
this->setCentralWidget(w);
_reset.setSingleShot(true);
connect(&_reset, SIGNAL(timeout()), this, SLOT(reloadInitial()));
connect(_browser, SIGNAL(loadStarted()), this, SLOT(loadStarted()));
connect(_browser, SIGNAL(loadFinished(bool)), this, SLOT(loadFinished(bool)));
connect(_browser, SIGNAL(loadProgress(int)), this, SLOT(loadProgress(int)));
//
QWebPage *page = _browser->page();
QNetworkAccessManager *nam = new QNetworkAccessManager(this);
connect(nam, SIGNAL(sslErrors(QNetworkReply*, const QList<QSslError>&)),
this, SLOT(sslErrors(QNetworkReply*, const QList<QSslError>&)));
connect(nam, SIGNAL(finished(QNetworkReply*)), this, SLOT(requestFinished(QNetworkReply*)));
page->setNetworkAccessManager(nam);
page->mainFrame()->load(url);
//
_browser->show();
}
SLXbrowser::~SLXbrowser()
{
}
void SLXbrowser::loadStarted()
{
_reset.stop();
if (_reloadIntervalMs > 0) {
_reset.start(_reloadIntervalMs + 10000);
}
_normalError.clear();
_sslErrors.clear();
_progress->setValue(0);
_progress->show();
}
void SLXbrowser::loadFinished(bool ok)
{
_progress->hide();
if (!_browser->wasAbortedDownload() && !_unsupportedUri && !ok) {
_browser->page()->mainFrame()->setHtml("<html><body style='background:blue;color:white'><br><br><center><h1>Page Load Error</h1><pre id='content'></pre></body></html>");
QWebElement el = _browser->page()->mainFrame()->documentElement().findFirst("#content");
QString str;
if (!_sslErrors.empty()) {
str.append("SSL Errors:\n");
for (QSslError err : _sslErrors) {
str.append(err.errorString());
str.append('\n');
}
} else if (_normalError.length() != 0) {
str.append("Load Error:\n");
str.append(_normalError);
} else {
str.append("Unknown Error");
}
str.append("\n\n\n\n" + QDateTime::currentDateTime().toString());
el.setPlainText(str);
_sslErrors.clear();
_normalError.clear();
_reset.start(30000);
} else if (_reloadIntervalMs > 0) {
_reset.start(_reloadIntervalMs);
}
if (_unsupportedUri && !ok) {
QMessageBox::warning(this->parentWidget(), QString::fromUtf8("Denied"),
QString::fromUtf8("This URL type is not supported.\n\n"
"Diese Art Link wird nicht unterstützt.\n\n"
"(z.B. Mail)"));
}
_unsupportedUri = false;
}
void SLXbrowser::loadProgress(int progress)
{
_progress->setValue(progress);
}
void SLXbrowser::sslErrors(QNetworkReply* reply, const QList<QSslError>& errors)
{
if (_ignoreSslErrors) {
reply->ignoreSslErrors();
return;
}
_sslErrors.append(errors);
}
void SLXbrowser::requestFinished(QNetworkReply *reply)
{
if (reply->error() == QNetworkReply::NoError) {
_unsupportedUri = false;
} else if (reply->error() == QNetworkReply::ProtocolUnknownError) {
_unsupportedUri = true;
} else {
qDebug() << reply->error();
_normalError = reply->errorString();
}
}
void SLXbrowser::reloadInitial()
{
_browser->page()->mainFrame()->load(_url);
}
