C++ HTMLObjectElement::getAttribute方法代码示例

JSValue jsHTMLObjectElementWidth(ExecState* exec, JSValue slotBase, const Identifier&)
{
    JSHTMLObjectElement* castedThis = static_cast<JSHTMLObjectElement*>(asObject(slotBase));
    UNUSED_PARAM(exec);
    HTMLObjectElement* imp = static_cast<HTMLObjectElement*>(castedThis->impl());
    JSValue result = jsString(exec, imp->getAttribute(WebCore::HTMLNames::widthAttr));
    return result;
}

//.........这里部分代码省略.........
            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(objectElement->classId());

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

        // Find out if we support fallback content.
        m_hasFallbackContent = false;
        for (Node* child = objectElement->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 beforeLoadAllowedLoad = objectElement->dispatchBeforeLoadEvent(url);
        
        // beforeload events can modify the DOM, potentially causing
        // RenderWidget::destroy() to be called.  Ensure we haven't been
        // destroyed before continuing.
        if (!node())
            return;
        
        bool success = beforeLoadAllowedLoad && frame->loader()->subframeLoader()->requestObject(this, url, objectElement->getAttribute(nameAttr), serviceType, paramNames, paramValues);
    
        if (!success && m_hasFallbackContent)
            objectElement->renderFallbackContent();

    } else if (node()->hasTagName(embedTag)) {
        HTMLEmbedElement* embedElement = static_cast<HTMLEmbedElement*>(node());
        embedElement->setNeedWidgetUpdate(false);
        url = embedElement->url();
        serviceType = embedElement->serviceType();

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

        // add all attributes set on the embed object
        NamedNodeMap* attributes = embedElement->attributes();
        if (attributes) {
            for (unsigned i = 0; i < attributes->length(); ++i) {
                Attribute* it = attributes->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 (embedElement->dispatchBeforeLoadEvent(url))
            frame->loader()->subframeLoader()->requestObject(this, url, embedElement->getAttribute(nameAttr), serviceType, paramNames, paramValues);
    }
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)        
    else if (node()->hasTagName(videoTag) || node()->hasTagName(audioTag)) {
        HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(node());
        KURL kurl;

        mediaElement->getPluginProxyParams(kurl, paramNames, paramValues);
        mediaElement->setNeedWidgetUpdate(false);
        frame->loader()->subframeLoader()->loadMediaPlayerProxyPlugin(node(), kurl, paramNames, paramValues);
    }
#endif
}