C++ FrameLoader::networkingContext方法代码示例

static bool webKitWebSrcStart(WebKitWebSrc* src)
{
    WebKitWebSrcPrivate* priv = src->priv;

    if (!priv->uri) {
        GST_ERROR_OBJECT(src, "No URI provided");
        return false;
    }
    
    KURL url = KURL(KURL(), priv->uri);

    ResourceRequest request(url);
    request.setTargetType(ResourceRequestBase::TargetIsMedia);
    request.setAllowCookies(true);

    NetworkingContext* context = 0;
    if (priv->frame) {
        Document* document = priv->frame->document();
        if (document)
            request.setHTTPReferrer(document->documentURI());

        FrameLoader* loader = priv->frame->loader();
        if (loader) {
            loader->addExtraFieldsToSubresourceRequest(request);
            context = loader->networkingContext();
        }
    }

    // Let Apple web servers know we want to access their nice movie trailers.
    if (!g_ascii_strcasecmp("movies.apple.com", url.host().utf8().data())
        || !g_ascii_strcasecmp("trailers.apple.com", url.host().utf8().data()))
        request.setHTTPUserAgent("Quicktime/7.6.6");

    if (priv->requestedOffset) {
        GOwnPtr<gchar> val;

        val.set(g_strdup_printf("bytes=%" G_GUINT64_FORMAT "-", priv->requestedOffset));
        request.setHTTPHeaderField("Range", val.get());
    }

    if (priv->iradioMode)
        request.setHTTPHeaderField("icy-metadata", "1");

    // Needed to use DLNA streaming servers
    request.setHTTPHeaderField("transferMode.dlna", "Streaming");

    priv->resourceHandle = ResourceHandle::create(context, request, priv->client, false, false);
    if (!priv->resourceHandle) {
        GST_ERROR_OBJECT(src, "Failed to create ResourceHandle");
        return false;
    }

    GST_DEBUG_OBJECT(src, "Started request");

    return true;
}

QList<QObject*> QWebFrameAdapter::childFrames() const
{
    QList<QObject*> originatingObjects;
    if (frame) {
        FrameTree* tree = frame->tree();
        for (Frame* child = tree->firstChild(); child; child = child->tree()->nextSibling()) {
            FrameLoader* loader = child->loader();
            originatingObjects.append(loader->networkingContext()->originatingObject());
        }
    }
    return originatingObjects;
}

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

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

    KURL kUrl(ParsedURLString, url);
    const QUrl rUrl = kUrl;
    const QString scheme = rUrl.scheme().toLower();

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

    // Construct the media content with a network request if the resource is http[s]
    if (scheme == QString::fromLatin1("http") || scheme == QString::fromLatin1("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;
        FrameLoader* frameLoader = frame ? frame->loader() : 0;
        QNetworkAccessManager* manager = frameLoader ? frameLoader->networkingContext()->networkAccessManager() : 0;

        if (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, QVariant::fromValue(cookies));

            // Set the refferer, but not when requesting insecure content from a secure page
            QUrl documentUrl = QUrl(QString(document->documentURI()));
            if (documentUrl.scheme().toLower() == QString::fromLatin1("http") || scheme == QString::fromLatin1("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));

    // Don't send PlaybackChanged notification for pre-roll.
    m_suppressNextPlaybackChanged = true;

    // Setting a media source will start loading the media, but we need
    // to pre-roll as well to get video size-hints and buffer-status
    if (element->paused())
        m_mediaPlayer->pause();
    else
        m_mediaPlayer->play();
}