コード例 #1
0
JSValue jsHTMLVideoElementPoster(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
    JSHTMLVideoElement* castedThis = static_cast<JSHTMLVideoElement*>(asObject(slot.slotBase()));
    UNUSED_PARAM(exec);
    HTMLVideoElement* imp = static_cast<HTMLVideoElement*>(castedThis->impl());
    return jsString(exec, imp->poster());
}
コード例 #2
0
void RenderPartObject::updateWidget(bool onlyCreateNonNetscapePlugins)
{
    String url;
    String serviceType;
    Vector<String> paramNames;
    Vector<String> paramValues;
    Frame* frame = frameView()->frame();

    // The calls to FrameLoader::requestObject within this function can result in a plug-in being initialized.
    // This can run cause arbitrary JavaScript to run and may result in this RenderObject being detached from
    // the render tree and destroyed, causing a crash like <rdar://problem/6954546>.  By extending our lifetime
    // artifically to ensure that we remain alive for the duration of plug-in initialization.
    RenderWidgetProtector protector(this);

    if (node()->hasTagName(objectTag)) {
        HTMLObjectElement* o = static_cast<HTMLObjectElement*>(node());

        o->setNeedWidgetUpdate(false);
        if (!o->isFinishedParsingChildren())
          return;

        // Check for a child EMBED tag.
        HTMLEmbedElement* embed = 0;
        for (Node* child = o->firstChild(); child; ) {
            if (child->hasTagName(embedTag)) {
                embed = static_cast<HTMLEmbedElement*>(child);
                break;
            } else if (child->hasTagName(objectTag))
                child = child->nextSibling();         // Don't descend into nested OBJECT tags
            else
                child = child->traverseNextNode(o);   // Otherwise descend (EMBEDs may be inside COMMENT tags)
        }

        // Use the attributes from the EMBED tag instead of the OBJECT tag including WIDTH and HEIGHT.
        HTMLElement *embedOrObject;
        if (embed) {
            embedOrObject = (HTMLElement *)embed;
            url = embed->url();
            serviceType = embed->serviceType();
        } else
            embedOrObject = (HTMLElement *)o;

        // If there was no URL or type defined in EMBED, try the OBJECT tag.
        if (url.isEmpty())
            url = o->url();
        if (serviceType.isEmpty())
            serviceType = o->serviceType();

        HashSet<StringImpl*, CaseFoldingHash> uniqueParamNames;

        // Scan the PARAM children.
        // Get the URL and type from the params if we don't already have them.
        // Get the attributes from the params if there is no EMBED tag.
        Node *child = o->firstChild();
        while (child && (url.isEmpty() || serviceType.isEmpty() || !embed)) {
            if (child->hasTagName(paramTag)) {
                HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
                String name = p->name();
                if (url.isEmpty() && (equalIgnoringCase(name, "src") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "code") || equalIgnoringCase(name, "url")))
                    url = p->value();
                if (serviceType.isEmpty() && equalIgnoringCase(name, "type")) {
                    serviceType = p->value();
                    int pos = serviceType.find(";");
                    if (pos != -1)
                        serviceType = serviceType.left(pos);
                }
                if (!embed && !name.isEmpty()) {
                    uniqueParamNames.add(name.impl());
                    paramNames.append(p->name());
                    paramValues.append(p->value());
                }
            }
            child = child->nextSibling();
        }

        // When OBJECT is used for an applet via Sun's Java plugin, the CODEBASE attribute in the tag
        // points to the Java plugin itself (an ActiveX component) while the actual applet CODEBASE is
        // in a PARAM tag. See <http://java.sun.com/products/plugin/1.2/docs/tags.html>. This means
        // we have to explicitly suppress the tag's CODEBASE attribute if there is none in a PARAM,
        // else our Java plugin will misinterpret it. [4004531]
        String codebase;
        if (!embed && MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
            codebase = "codebase";
            uniqueParamNames.add(codebase.impl()); // pretend we found it in a PARAM already
        }
        
        // Turn the attributes of either the EMBED tag or OBJECT tag into arrays, but don't override PARAM values.
        NamedNodeMap* attributes = embedOrObject->attributes();
        if (attributes) {
            for (unsigned i = 0; i < attributes->length(); ++i) {
                Attribute* it = attributes->attributeItem(i);
                const AtomicString& name = it->name().localName();
                if (embed || !uniqueParamNames.contains(name.impl())) {
                    paramNames.append(name.string());
                    paramValues.append(it->value().string());
                }
            }
        }

        mapDataParamToSrc(&paramNames, &paramValues);

        // If we still don't have a type, try to map from a specific CLASSID to a type.
        if (serviceType.isEmpty())
            serviceType = serviceTypeForClassId(o->classId());

        if (!isURLAllowed(document(), url))
            return;

        // Find out if we support fallback content.
        m_hasFallbackContent = false;
        for (Node *child = o->firstChild(); child && !m_hasFallbackContent; child = child->nextSibling()) {
            if ((!child->isTextNode() && !child->hasTagName(embedTag) && !child->hasTagName(paramTag)) || // Discount <embed> and <param>
                (child->isTextNode() && !static_cast<Text*>(child)->containsOnlyWhitespace()))
                m_hasFallbackContent = true;
        }

        if (onlyCreateNonNetscapePlugins) {
            KURL completedURL;
            if (!url.isEmpty())
                completedURL = frame->loader()->completeURL(url);

            if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
                return;
        }

        bool success = o->dispatchBeforeLoadEvent(url) &&
                       frame->loader()->requestObject(this, url, o->getAttribute(nameAttr), serviceType, paramNames, paramValues);
        if (!success && m_hasFallbackContent)
            o->renderFallbackContent();
    } else if (node()->hasTagName(embedTag)) {
        HTMLEmbedElement *o = static_cast<HTMLEmbedElement*>(node());
        o->setNeedWidgetUpdate(false);
        url = o->url();
        serviceType = o->serviceType();

        if (url.isEmpty() && serviceType.isEmpty())
            return;
        if (!isURLAllowed(document(), url))
            return;

        // add all attributes set on the embed object
        NamedNodeMap* a = o->attributes();
        if (a) {
            for (unsigned i = 0; i < a->length(); ++i) {
                Attribute* it = a->attributeItem(i);
                paramNames.append(it->name().localName().string());
                paramValues.append(it->value().string());
            }
        }

        if (onlyCreateNonNetscapePlugins) {
            KURL completedURL;
            if (!url.isEmpty())
                completedURL = frame->loader()->completeURL(url);

            if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
                return;

        }

        if (o->dispatchBeforeLoadEvent(url))
            frame->loader()->requestObject(this, url, o->getAttribute(nameAttr), serviceType, paramNames, paramValues);
    }
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)        
    else if (node()->hasTagName(videoTag) || node()->hasTagName(audioTag)) {
        HTMLMediaElement* o = static_cast<HTMLMediaElement*>(node());

        o->setNeedWidgetUpdate(false);
        if (node()->hasTagName(videoTag)) {
            HTMLVideoElement* vid = static_cast<HTMLVideoElement*>(node());
            String poster = vid->poster();
            if (!poster.isEmpty()) {
                paramNames.append("_media_element_poster_");
                paramValues.append(poster);
            }
        }

        url = o->initialURL();
        if (!url.isEmpty()) {
            paramNames.append("_media_element_src_");
            paramValues.append(url);
        }

        serviceType = "application/x-media-element-proxy-plugin";
        
        if (o->dispatchBeforeLoadEvent(url))
            frame->loader()->requestObject(this, url, nullAtom, serviceType, paramNames, paramValues);
    }
#endif
}