Ejemplos de DOMNode::QueryInterface en C++ (Cpp)

Ejemplo n.º 1

Archivo: DOMCoreClasses.cpp Proyecto: Happy-Ferret/webkit.js

IDOMNode* DOMNode::createInstance(WebCore::Node* n)
{
    if (!n)
        return 0;

    HRESULT hr = S_OK;
    IDOMNode* domNode = 0;
    WebCore::Node::NodeType nodeType = n->nodeType();

    switch (nodeType) {
        case WebCore::Node::ELEMENT_NODE: 
        {
            IDOMElement* newElement = DOMElement::createInstance(static_cast<WebCore::Element*>(n));
            if (newElement) {
                hr = newElement->QueryInterface(IID_IDOMNode, (void**)&domNode);
                newElement->Release();
            }
        }
        break;
        case WebCore::Node::DOCUMENT_NODE:
        {
            IDOMDocument* newDocument = DOMDocument::createInstance(&n->document());
            if (newDocument) {
                hr = newDocument->QueryInterface(IID_IDOMNode, (void**)&domNode);
                newDocument->Release();
            }
        }
        break;
        default:
        {
            DOMNode* newNode = new DOMNode(n);
            hr = newNode->QueryInterface(IID_IDOMNode, (void**)&domNode);
        }
        break;
    }

    if (FAILED(hr))
        return 0;

    return domNode;
}