C++ QWebFrame::setHtml方法代码示例

void QWebFrameProto::setHtml(const QString & html, const QUrl & baseUrl)
{
  scriptDeprecated("QWebFrame will not be available in future versions");
  QWebFrame *item = qscriptvalue_cast<QWebFrame*>(thisObject());
  if (item)
    item->setHtml(html, baseUrl);
}

void WebPage::handleUnsupportedContent(QNetworkReply *reply)
{
    if (reply->error() == QNetworkReply::ProtocolUnknownError) {
        QSettings settings;
        settings.beginGroup(QLatin1String("WebView"));
        QStringList externalSchemes;
        externalSchemes = settings.value(QLatin1String("externalSchemes")).toStringList();
        if (externalSchemes.contains(reply->url().scheme()))
            QDesktopServices::openUrl(reply->url());
        return;
    }

    if (reply->error() == QNetworkReply::NoError) {
        if (reply->header(QNetworkRequest::ContentTypeHeader).isValid())
            BrowserApplication::downloadManager()->handleUnsupportedContent(reply);
        return;
    }

    QFile file(QLatin1String(":/notfound.html"));
    bool isOpened = file.open(QIODevice::ReadOnly);
    Q_ASSERT(isOpened);
    QString title = tr("Error loading page: %1").arg(reply->url().toString());
    QString html = QString(QLatin1String(file.readAll()))
                        .arg(title)
                        .arg(reply->errorString())
                        .arg(reply->url().toString());

    QBuffer imageBuffer;
    imageBuffer.open(QBuffer::ReadWrite);
    QIcon icon = view()->style()->standardIcon(QStyle::SP_MessageBoxWarning, 0, view());
    QPixmap pixmap = icon.pixmap(QSize(32, 32));
    if (pixmap.save(&imageBuffer, "PNG")) {
        html.replace(QLatin1String("IMAGE_BINARY_DATA_HERE"),
                     QString(QLatin1String(imageBuffer.buffer().toBase64())));
    }

    QList<QWebFrame*> frames;
    frames.append(mainFrame());
    while (!frames.isEmpty()) {
        QWebFrame *frame = frames.takeFirst();
        if (frame->url() == reply->url()) {
            frame->setHtml(html, reply->url());
            return;
        }
        QList<QWebFrame *> children = frame->childFrames();
        foreach (QWebFrame *frame, children)
            frames.append(frame);
    }
    if (m_loadingUrl == reply->url()) {
        mainFrame()->setHtml(html, reply->url());
    }
}

void WebPage::handleUnsupportedContent(QNetworkReply *reply)
{
    QString errorString = reply->errorString();

    if (m_loadingUrl != reply->url()) {
        // sub resource of this page
        qWarning() << "Resource" << reply->url().toEncoded() << "has unknown Content-Type, will be ignored.";
        reply->deleteLater();
        return;
    }

    if (reply->error() == QNetworkReply::NoError && !reply->header(QNetworkRequest::ContentTypeHeader).isValid()) {
        errorString = "Unknown Content-Type";
    }

    QFile file(QLatin1String(":/notfound.html"));
    bool isOpened = file.open(QIODevice::ReadOnly);
    Q_ASSERT(isOpened);
    Q_UNUSED(isOpened)

    QString title = tr("Error loading page: %1").arg(reply->url().toString());
    QString html = QString(QLatin1String(file.readAll()))
                        .arg(title)
                        .arg(errorString)
                        .arg(reply->url().toString());

    QBuffer imageBuffer;
    imageBuffer.open(QBuffer::ReadWrite);
    QIcon icon = view()->style()->standardIcon(QStyle::SP_MessageBoxWarning, 0, view());
    QPixmap pixmap = icon.pixmap(QSize(32,32));
    if (pixmap.save(&imageBuffer, "PNG")) {
        html.replace(QLatin1String("IMAGE_BINARY_DATA_HERE"),
                     QString(QLatin1String(imageBuffer.buffer().toBase64())));
    }

    QList<QWebFrame*> frames;
    frames.append(mainFrame());
    while (!frames.isEmpty()) {
        QWebFrame *frame = frames.takeFirst();
        if (frame->url() == reply->url()) {
            frame->setHtml(html, reply->url());
            return;
        }
        QList<QWebFrame *> children = frame->childFrames();
        foreach(QWebFrame *frame, children)
            frames.append(frame);
    }
    if (m_loadingUrl == reply->url()) {
        mainFrame()->setHtml(html, reply->url());
    }
}

QString ForumProbe::getTitle(QString &html) {
    QString title;
#ifndef NO_WEBKITWIDGETS
    QWebPage *page = new QWebPage();
    QWebFrame *frame = page->mainFrame();
    frame->setHtml(html);
    title = frame->title();
    page->deleteLater();
#else
    int titleBegin = html.indexOf("<title>");
    if(titleBegin > 0) {
        int titleEnd = html.indexOf("</", titleBegin);
        title = html.mid(titleBegin + 7, titleEnd - titleBegin - 7);
    }
#endif
    return title;
}

void HelpPage::onHandleUnsupportedContent(QNetworkReply *reply)
{
    // sub resource of this page
    if (m_loadingUrl != reply->url()) {
        qWarning() << "Resource" << reply->url().toEncoded() << "has unknown Content-Type, will be ignored.";
        reply->deleteLater();
        return;
    }

    // set a default error string we are going to display
    QString errorString = HelpViewer::tr("Unknown or unsupported Content!");
    if (reply->error() == QNetworkReply::NoError) {
        // try to open the url using using the desktop service
        if (QDesktopServices::openUrl(reply->url())) {
            reply->deleteLater();
            return;
        }
        // seems we failed, now we show the error page inside creator
    } else {
        errorString = reply->errorString();
    }

    // setup html
    const QString html = QString::fromLatin1(g_htmlPage).arg(g_percent1, errorString,
        HelpViewer::tr("Error loading: %1").arg(reply->url().toString()), g_percent4, g_percent5, g_percent6,
        g_percent7);

    // update the current layout
    QList<QWebFrame*> frames;
    frames.append(mainFrame());
    while (!frames.isEmpty()) {
        QWebFrame *frame = frames.takeFirst();
        if (frame->url() == reply->url()) {
            frame->setHtml(html, reply->url());
            return;
        }

        QList<QWebFrame *> children = frame->childFrames();
        foreach (QWebFrame *frame, children)
            frames.append(frame);
    }

    if (m_loadingUrl == reply->url())
        mainFrame()->setHtml(html, reply->url());
}

void WebView::applyEncoding()
{
	if (m_encoding_in_progress)
		return;

	if (webPage() && webPage()->mainWindow())
	{
		QString enc = webPage()->mainWindow()->m_currentEncoding;
		if (enc.isEmpty())
			return;

		if (enc == m_current_encoding && m_current_encoding_url == url() )
			return;

		QWebPage *page = webPage();
		if (!page)
			return;

		QWebFrame *mainframe = page->mainFrame();
		if (!mainframe)
			return;

		QString html = mainframe->toHtml();

		QTextCodec *codec = QTextCodec::codecForName( enc.toAscii() );
		if (!codec)
			return;

		QTextDecoder *decoder = codec->makeDecoder();
		if (!decoder)
			return;

		m_encoding_in_progress = true;
		m_current_encoding = enc;
		m_current_encoding_url = url();
		QString output = decoder->toUnicode(html.toAscii());
		mainframe->setHtml(output, mainframe->url());

		QList<QWebFrame *> children = mainframe->childFrames();
		foreach(QWebFrame *frame, children)
		{
			html = frame->toHtml();
			output = decoder->toUnicode(html.toAscii());
			frame->setHtml(output, frame->url());
		}

void tst_QWebView::reusePage()
{
    if (!QDir(TESTS_SOURCE_DIR).exists())
        QSKIP(QString("This test requires access to resources found in '%1'").arg(TESTS_SOURCE_DIR).toLatin1().constData(), SkipAll);

    QDir::setCurrent(TESTS_SOURCE_DIR);

    QFETCH(QString, html);
    QWebView* view1 = new QWebView;
    QPointer<QWebPage> page = new QWebPage;
    view1->setPage(page);
    page->settings()->setAttribute(QWebSettings::PluginsEnabled, true);
    QWebFrame* mainFrame = page->mainFrame();
    mainFrame->setHtml(html, QUrl::fromLocalFile(TESTS_SOURCE_DIR));
    if (html.contains("</embed>")) {
        // some reasonable time for the PluginStream to feed test.swf to flash and start painting
        waitForSignal(view1, SIGNAL(loadFinished(bool)), 2000);
    }

void downloader::render(QString rawHtml)
{
    currencyLoaded.clear();
    rateLoaded.clear();
    QWebFrame *mainFrame = webPage.mainFrame();
    mainFrame->setHtml(rawHtml);
    QWebElement documentElement = mainFrame->documentElement();
    QWebElementCollection elements = documentElement.findAll("#content > div:nth-child(1) > div > div.col2.pull-right.module.bottomMargin > div.moduleContent > table:nth-child(4) > tbody > tr");

    int i = 0;
    foreach (QWebElement element, elements)
    {
        currency.push_back(element.findFirst("td:nth-child(1)").toInnerXml());
        rate.push_back(element.findFirst("td:nth-child(3) > a").toInnerXml());
//        qDebug()<< currency[i+(elements.count()*downloadCount)]+"\t\t"+rate[i+(elements.count()*downloadCount)]+"\n";

        currencyLoaded.push_back(currency[i+(elements.count()*downloadCount)]);
        rateLoaded.push_back(rate[i+(elements.count()*downloadCount)]);
        i++;
    }

void WebPage::handleUnsupportedContent(QNetworkReply *reply)
{
    if (reply->error() == QNetworkReply::NoError) {
        if (reply->header(QNetworkRequest::ContentTypeHeader).isValid())
            qDebug() << "download it";
            new OpDownloader(reply);
        return;
    }

    if (reply->error() == QNetworkReply::ProtocolUnknownError) {
        // we currently don't support protocol other than http(s):// and file://
        // return;
    }

    //display notfound
    if (reply->url().isEmpty())
        return;
    QFile file(QLatin1String(":/notfound.html"));
    bool isOpened = file.open(QIODevice::ReadOnly);
    Q_ASSERT(isOpened);
    QString title = ("HTTP 404 Not Found");
    QString html = QString(QLatin1String(file.readAll()));
    
    QList<QWebFrame*> frames;
    frames.append(mainFrame());
    while (!frames.isEmpty()) {
        QWebFrame *frame = frames.takeFirst();
        if (frame->url() == reply->url()) {
            frame->setHtml(html, reply->url());
            return;
        }
        QList<QWebFrame *> children = frame->childFrames();
        foreach (QWebFrame *frame, children)
            frames.append(frame);
    }
    if (m_loadingUrl == reply->url()) {
        mainFrame()->setHtml(html, reply->url());
    }
}

void
MainWindow::channelChanged()
{
    QListWidgetItem* item = this->ui->listview_channels->currentItem();
    if (item) {
        this->currentChannel = item->text();
        this->ui->wChannel->setText(item->text());
        this->ui->wInput->setEnabled(true);
        this->ui->wSend->setEnabled(true);

        auto messages = read.getMessages(item->text());

        QString html;
        QWebFrame* frame = this->ui->baseChatWindow->page()->mainFrame();
        frame->setHtml("");
        for (int i = 0; i < messages->count(); ++i) {
            auto message = messages->at(i);
            addMessage(message);
        }
        this->scrollValue = 0;
        this->autoScroll = true;
    }
}

void WBWebPage::handleUnsupportedContent(QNetworkReply *reply)
{
    if(reply->url().scheme() == "mailto")
    {
        bool result = QDesktopServices::openUrl(reply->url());
        if (result)
            return;
    }

    QString contentType = reply->header(QNetworkRequest::ContentTypeHeader).toString();
    bool isPDF = (contentType == "application/pdf");

    // Delete this big "if (isPDF)" block to get the pdf directly inside the browser
    if (isPDF)
    {
        QMessageBox messageBox(mainWindow());
        messageBox.setText(tr("Download PDF Document: would you prefer to download the PDF file or add it to the current Sankore document?"));

        messageBox.addButton(tr("Download"), QMessageBox::AcceptRole);
        QAbstractButton *addButton =
            messageBox.addButton(tr("Add to Current Document"), QMessageBox::AcceptRole);

        messageBox.exec();
        if (messageBox.clickedButton() == addButton)
        {
            UBApplication::applicationController->showBoard();
            UBApplication::boardController->downloadURL(reply->request().url());
            return;
        }
        else
        {
            isPDF = false;
        }
    }

    if (!isPDF && reply->error() == QNetworkReply::NoError)
    {
        if(contentType == "application/widget")
            WBBrowserWindow::downloadManager()->handleUnsupportedContent(reply,false, UBSettings::settings()->uniboardGipLibraryDirectory());
        else
            WBBrowserWindow::downloadManager()->handleUnsupportedContent(reply);
        return;
    }

    QFile file;
    file.setFileName(isPDF ? QLatin1String(":/webbrowser/object-wrapper.html") : QLatin1String(":/webbrowser/notfound.html"));

    bool isOpened = file.open(QIODevice::ReadOnly);
    Q_ASSERT(isOpened);
    QString html;
    if (isPDF)
    {
        html = QString(QLatin1String(file.readAll()))
                        .arg(tr("PDF"))
                        .arg("application/x-ub-pdf")
                        .arg(reply->url().toString());
    }
    else
    {
        QString title = tr("Error loading page: %1").arg(reply->url().toString());
        html = QString(QLatin1String(file.readAll()))
                        .arg(title)
                        .arg(reply->errorString())
                        .arg(reply->url().toString());
    }

    QList<QWebFrame*> frames;
    frames.append(mainFrame());
    while (!frames.isEmpty())
    {
        QWebFrame *frame = frames.takeFirst();
        if (frame->url() == reply->url())
        {
            frame->setHtml(html, reply->url());
            return;
        }
        QList<QWebFrame *> children = frame->childFrames();
        foreach(QWebFrame *frame, children)
            frames.append(frame);
    }

    if (mLoadingUrl == reply->url())
    {
        mainFrame()->setHtml(html, reply->url());
    }
}

void CadastreWrapper::networkFinished(QNetworkReply *reply)
{
    if (m_pendingTiles.contains(reply)) {
        QFile target(m_pendingTiles[reply]);
        QByteArray ba = reply->readAll();

        // white -> transparent
        QImage img;
        img.loadFromData(ba);
        QImage img2 = img.convertToFormat(QImage::Format_ARGB32);
        Q_ASSERT(img2.hasAlphaChannel());
        int w=0;
        for (int y=0; y<img2.height(); ++y) {
            for (int x=0; x<img2.width(); ++x) {
                QColor col = QColor(img2.pixel(x, y));
                if (col == QColor(255, 255, 255)) {
                    col.setAlpha(0);
                    img2.setPixel(x, y, col.rgba());
                    ++w;
               }
            }
        }
        //Full transparent
        if (w == img2.height()*img2.width()) {
            img2 = QImage(1, 1, QImage::Format_ARGB32);
            img2.setPixel(0, 0, QColor(0, 0, 0, 0).rgba());
        }

        target.open(QIODevice::WriteOnly);
//        target.write(reply->readAll());
        img2.save(&target, "PNG");
        target.close();
        m_pendingTiles.remove(reply);
        if (m_progress) {
            m_progress->setValue(m_progress->value()+1);
            if (m_progress->value() > 10) {
                double ms = m_startTime.secsTo(QDateTime::currentDateTime());
                double us = ms/m_progress->value();
                int tot = us*(m_progress->maximum() - m_progress->value());

                if (tot<3600)
                    m_progress->setLabelText(tr("Downloaded: %1/%2\nRemaining time: %3:%4").arg(m_progress->value()).arg(m_progress->maximum()).arg(int(tot/60)).arg(int(tot%60), 2, 10, QChar('0')));
                else
                    m_progress->setLabelText(tr("Downloaded: %1/%2\nRemaining time: %3:%4:%5").arg(m_progress->value()).arg(m_progress->maximum()).arg(int(tot/3600)).arg(int((tot%3600)/60), 2, 10, QChar('0')).arg(int(tot%60), 2, 10, QChar('0')));

            } else
                m_progress->setLabelText(tr("Downloaded: %1/%2").arg(m_progress->value()).arg(m_progress->maximum()));
        }
    } else if (reply->url() == QUrl("http://www.cadastre.gouv.fr/scpc/accueil.do")) {
        qDebug() << "Ok, I've got a cookie... I LOVE COOKIES.";
        reply->readAll();
        m_gotCookie = true;
    } else if (reply->url() == QUrl("http://www.cadastre.gouv.fr/scpc/rechercherPlan.do")) {
        QString pageData = reply->readAll();
        qDebug() << pageData;
        QWebPage parsedPage(this);
        QWebFrame *frame = parsedPage.mainFrame();
        frame->setHtml(pageData);
        QWebElement codeCommune = frame->findFirstElement("#codeCommune");
        QMap<QString, QString> results;
        if (!codeCommune.isNull()) {
            // If there is a codeCommune object in the DOM, it means that the search was not successfull.
            if (codeCommune.tagName().toLower() != "select") {
                qDebug() << "Invalid page ???";
                return;
            }
            QWebElementCollection options = codeCommune.findAll("option");
            foreach (QWebElement option, options) {
                if (!option.attribute("value").isEmpty())
                    results[option.attribute("value")] = option.toPlainText();
            }
        } else {