C++ FrameLoader::client方法代码示例

void DocumentLoader::commitLoad(const char* data, int length)
{
    // Both unloading the old page and parsing the new page may execute JavaScript which destroys the datasource
    // by starting a new load, so retain temporarily.
    RefPtr<Frame> protectFrame(m_frame);
    RefPtr<DocumentLoader> protectLoader(this);

    commitIfReady();
    FrameLoader* frameLoader = DocumentLoader::frameLoader();
    if (!frameLoader)
        return;
    if (isArchiveMIMEType(response().mimeType()))
        return;
    frameLoader->client()->committedLoad(this, data, length);
}

void HistoryController::updateForStandardLoad(HistoryUpdateType updateType)
{
    LOG(History, "WebCoreHistory: Updating History for Standard Load in frame %s", m_frame->loader()->documentLoader()->url().string().ascii().data());

    FrameLoader* frameLoader = m_frame->loader();

    Settings* settings = m_frame->settings();
    bool needPrivacy = !settings || settings->privateBrowsingEnabled();
    const KURL& historyURL = frameLoader->documentLoader()->urlForHistory();

    if (!frameLoader->documentLoader()->isClientRedirect()) {
        if (!historyURL.isEmpty()) {
            if (updateType != UpdateAllExceptBackForwardList)
                updateBackForwardListClippedAtTarget(true);
            if (!needPrivacy) {
                frameLoader->client()->updateGlobalHistory();
                frameLoader->documentLoader()->setDidCreateGlobalHistoryEntry(true);
                if (frameLoader->documentLoader()->unreachableURL().isEmpty())
                    frameLoader->client()->updateGlobalHistoryRedirectLinks();
            }

            m_frame->loader()->client()->updateGlobalHistoryItemForPage();
        }
    } else {
        // The client redirect replaces the current history item.
        updateCurrentItem();
    }

    if (!historyURL.isEmpty() && !needPrivacy) {
        if (Page* page = m_frame->page())
            addVisitedLink(page, historyURL);

        if (!frameLoader->documentLoader()->didCreateGlobalHistoryEntry() && frameLoader->documentLoader()->unreachableURL().isEmpty() && !m_frame->document()->url().isEmpty())
            frameLoader->client()->updateGlobalHistoryRedirectLinks();
    }
}

/*!
  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 DocumentLoader::commitLoad(const char* data, int length)
{
    // Both unloading the old page and parsing the new page may execute JavaScript which destroys the datasource
    // by starting a new load, so retain temporarily.
    RefPtr<DocumentLoader> protect(this);

    commitIfReady();
    FrameLoader* frameLoader = DocumentLoader::frameLoader();
    if (!frameLoader)
        return;
#if ENABLE(WEB_ARCHIVE)
    if (ArchiveFactory::isArchiveMimeType(response().mimeType()))
        return;
#endif
    frameLoader->client()->committedLoad(this, data, length);
}

/**
 * webkit_web_frame_get_children:
 * @frame: a #WebKitWebFrame
 *
 * Return value: child frames of @frame
 */
GSList* webkit_web_frame_get_children(WebKitWebFrame* frame)
{
    g_return_val_if_fail(WEBKIT_IS_WEB_FRAME(frame), NULL);

    Frame* coreFrame = core(frame);
    ASSERT(coreFrame);

    GSList* children = NULL;
    for (Frame* child = coreFrame->tree()->firstChild(); child; child = child->tree()->nextSibling()) {
        FrameLoader* loader = child->loader();
        WebKit::FrameLoaderClient* client = static_cast<WebKit::FrameLoaderClient*>(loader->client());
        if (client)
          children = g_slist_append(children, client->webFrame());
    }

    return children;
}

/**
 * getFrameChildren:
 * @frame: a #WebKitWebFrame
 *
 * Return value: child frames of @frame
 */
GSList* DumpRenderTreeSupportGtk::getFrameChildren(WebKitWebFrame* frame)
{
    g_return_val_if_fail(WEBKIT_IS_WEB_FRAME(frame), 0);

    Frame* coreFrame = core(frame);
    if (!coreFrame)
        return 0;

    GSList* children = 0;
    for (Frame* child = coreFrame->tree()->firstChild(); child; child = child->tree()->nextSibling()) {
        FrameLoader* loader = child->loader();
        WebKit::FrameLoaderClient* client = static_cast<WebKit::FrameLoaderClient*>(loader->client());
        if (client)
          children = g_slist_append(children, client->webFrame());
    }

    return children;
}

bool SubframeLoader::loadPlugin(HTMLPlugInImageElement* pluginElement, const KURL& url, const String& mimeType,
    const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback)
{
    RenderEmbeddedObject* renderer = pluginElement->renderEmbeddedObject();

    // FIXME: This code should not depend on renderer!
    if (!renderer || useFallback)
        return false;

    if (!document()->securityOrigin()->canDisplay(url)) {
        FrameLoader::reportLocalLoadFailed(m_frame, url.string());
        return false;
    }

    if (!document()->contentSecurityPolicy()->allowObjectFromSource(url))
        return false;

    FrameLoader* frameLoader = m_frame->loader();
    if (!frameLoader->checkIfRunInsecureContent(document()->securityOrigin(), url))
        return false;

    IntSize contentSize(renderer->contentWidth(), renderer->contentHeight());
    // In iOS, we only tell plugin to be in full page mode if the containing plugin document is the top level document.
    bool loadManually = document()->isPluginDocument() && !m_containsPlugins && toPluginDocument(document())->shouldLoadPluginManually() && !document()->ownerElement();
    RefPtr<Widget> widget = frameLoader->client()->createPlugin(contentSize,
        pluginElement, url, paramNames, paramValues, mimeType, loadManually);

    if (!widget) {
        renderer->setShowsMissingPluginIndicator();
        return false;
    }

    renderer->setWidget(widget);
    m_containsPlugins = true;
 
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO) || ENABLE(3D_PLUGIN)
    pluginElement->setNeedsStyleRecalc(SyntheticStyleChange);
#endif
    return true;
}

void XSSAuditorDelegate::didBlockScript(const XSSInfo& xssInfo)
{
    ASSERT(isMainThread());

    m_document->addConsoleMessage(JSMessageSource, ErrorMessageLevel, buildConsoleError(xssInfo, m_document->url().string()));

    FrameLoader* frameLoader = m_document->frame()->loader();
    if (xssInfo.m_didBlockEntirePage)
        frameLoader->stopAllLoaders();

    if (!m_didSendNotifications) {
        m_didSendNotifications = true;

        frameLoader->client()->didDetectXSS(m_document->url(), xssInfo.m_didBlockEntirePage);

        if (!m_reportURL.isEmpty())
            PingLoader::sendViolationReport(m_document->frame(), m_reportURL, generateViolationReport());
    }

    if (xssInfo.m_didBlockEntirePage)
        m_document->frame()->navigationScheduler()->scheduleLocationChange(m_document->securityOrigin(), SecurityOrigin::urlWithUniqueSecurityOrigin(), String());
}

void MediaDocumentParser::appendBytes(DocumentWriter*, const char*, int len, bool)
{
    // The media element may already exist, so just return if the number of bytes being appended is zero,
    // since this can be called from DocumentWriter::endIfNotLoadingMainResource() when we're finishing up.
    if (m_mediaElement && !len)
        return;

    ASSERT(!m_mediaElement);

    if (m_mediaElement)
        return;

    createDocumentStructure();
    finish();

#if PLATFORM(BLACKBERRY) && OS(QNX)
    Document* doc = document();
    if (!doc)
        return;

    Frame* frame = doc->frame();
    if (!frame)
        return;

    FrameLoader* frameLoader = frame->loader();
    if (!frameLoader)
        return;

    FrameLoaderClientBlackBerry* client = static_cast<FrameLoaderClientBlackBerry*>(frameLoader->client());
    if (!client)
        return;

    // We want to cancel the loading of data now that the media element has been created and the renderer is loading
    // the data to play. WebKit no longer needs to load any more data here.
    client->setCancelLoadOnNextData();
#endif
}