C++ FrameLoaderClientQt类代码示例

bool ChromeClientQt::runJavaScriptPrompt(Frame* f, const String& message, const String& defaultValue, String& result)
{
    QString x = result;
    FrameLoaderClientQt *fl = static_cast<FrameLoaderClientQt*>(f->loader()->client());
    bool rc = m_webPage->javaScriptPrompt(fl->webFrame(), (QString)message, (QString)defaultValue, &x);
    result = x;
    return rc;
}

/*!
  Returns a list of all frames that are direct children of this frame.

  \sa parentFrame()
*/
QList<QWebFrame*> QWebFrame::childFrames() const
{
    QList<QWebFrame*> rc;
    if (d->frame) {
        FrameTree *tree = d->frame->tree();
        for (Frame *child = tree->firstChild(); child; child = child->tree()->nextSibling()) {
            FrameLoader *loader = child->loader();
            FrameLoaderClientQt *client = static_cast<FrameLoaderClientQt*>(loader->client());
            if (client)
                rc.append(client->webFrame());
        }

    }
    return rc;
}

void FileChooser::openFileChooser(Document* doc)
{
    Page *page = doc->page();
    Frame *frame = doc->frame();
    if (!page || !frame)
        return;

    FrameLoaderClientQt *fl = static_cast<FrameLoaderClientQt*>(frame->loader()->client());
    if (!fl)
        return;

    QString f = fl->chooseFile(m_filename);
    if (!f.isEmpty())
        chooseFile(f);
}

bool ChromeClientQt::runJavaScriptPrompt(Frame* f, const String& message, const String& defaultValue, String& result)
{
    QString x = result;
    FrameLoaderClientQt* fl = static_cast<FrameLoaderClientQt*>(f->loader()->client());
    bool rc = m_webPage->javaScriptPrompt(fl->webFrame(), (QString)message, (QString)defaultValue, &x);

    // Fix up a quirk in the QInputDialog class. If no input happened the string should be empty
    // but it is null. See https://bugs.webkit.org/show_bug.cgi?id=30914.
    if (rc && x.isNull())
        result = String("");
    else
        result = x;

    return rc;
}

void MediaPlayerPrivate::load(const String& url)
{
    // We are now loading
    if (m_networkState != MediaPlayer::Loading) {
        m_networkState = MediaPlayer::Loading;
        m_player->networkStateChanged();
    }

    // And we don't have any data yet
    if (m_readyState != MediaPlayer::HaveNothing) {
        m_readyState = MediaPlayer::HaveNothing;
        m_player->readyStateChanged();
    }

    const QUrl rUrl = QUrl(QString(url));
    const QString scheme = rUrl.scheme().toLower();

    // Grab the client media element
    HTMLMediaElement* element = static_cast<HTMLMediaElement*>(m_player->mediaPlayerClient());

    // Construct the media content with a network request if the resource is http[s]
    if (scheme == "http" || scheme == "https") {
        QNetworkRequest request = QNetworkRequest(rUrl);

        // Grab the current document
        Document* document = element->document();
        if (!document)
            document = element->ownerDocument();

        // Grab the frame and network manager
        Frame* frame = document ? document->frame() : 0;
        FrameLoaderClientQt* frameLoader =  frame ? static_cast<FrameLoaderClientQt*>(frame->loader()->client()) : 0;
        QNetworkAccessManager* manager = frameLoader ? frameLoader->webFrame()->page()->networkAccessManager() : 0;

        if (document && manager) {
            // Set the cookies
            QNetworkCookieJar* jar = manager->cookieJar();
            QList<QNetworkCookie> cookies = jar->cookiesForUrl(rUrl);

            // Don't set the header if there are no cookies.
            // This prevents a warning from being emitted.
            if (!cookies.isEmpty())
                request.setHeader(QNetworkRequest::CookieHeader, qVariantFromValue(cookies));

            // Set the refferer, but not when requesting insecure content from a secure page
            QUrl documentUrl = QUrl(QString(document->documentURI()));
            if (documentUrl.scheme().toLower() == "http" || scheme == "https")
                request.setRawHeader("Referer", documentUrl.toEncoded());

            // Set the user agent
            request.setRawHeader("User-Agent", frameLoader->userAgent(rUrl).utf8().data());
        }

        m_mediaPlayer->setMedia(QMediaContent(request));
    } else {
        // Otherwise, just use the URL
        m_mediaPlayer->setMedia(QMediaContent(rUrl));
    }

    // Set the current volume and mute status
    // We get these from the element, rather than the player, in case we have
    // transitioned from a media engine which doesn't support muting, to a media
    // engine which does.
    m_mediaPlayer->setMuted(element->muted());
    m_mediaPlayer->setVolume(static_cast<int>(element->volume() * 100.0));
}

bool ChromeClientQt::runJavaScriptConfirm(Frame* f, const String& msg)
{
    QString x = msg;
    FrameLoaderClientQt *fl = static_cast<FrameLoaderClientQt*>(f->loader()->client());
    return m_webPage->javaScriptConfirm(fl->webFrame(), x);
}

void ChromeClientQt::runJavaScriptAlert(Frame* f, const String& msg)
{
    QString x = msg;
    FrameLoaderClientQt *fl = static_cast<FrameLoaderClientQt*>(f->loader()->client());
    m_webPage->javaScriptAlert(fl->webFrame(), x);
}