/// <summary> /// Creates wrapper for nsIDOMNode object /// </summary> /// <param name="domObject"></param> /// <returns></returns> internal static GeckoNode CreateDomNodeWrapper(nsIDOMNode domObject) { // if null -> return null if (domObject == null) { return(null); } var nodeType = (NodeType)domObject.GetNodeTypeAttribute(); // by nodeType we can find proper wrapper faster, than perform QueryInterface switch (nodeType) { case NodeType.Element: nsIDOMHTMLElement htmlElement = Xpcom.QueryInterface <nsIDOMHTMLElement>(domObject); if (htmlElement != null) { return(GeckoHtmlElement.Create(htmlElement)); } nsIDOMElement element = Xpcom.QueryInterface <nsIDOMElement>(domObject); if (element != null) { return(GeckoElement.CreateDomElementWrapper(element)); } break; case NodeType.Attribute: nsIDOMAttr attr = Xpcom.QueryInterface <nsIDOMAttr>(domObject); if (attr != null) { return(GeckoAttribute.CreateAttributeWrapper(attr)); } break; case NodeType.Comment: nsIDOMComment comment = Xpcom.QueryInterface <nsIDOMComment>(domObject); if (comment != null) { return(GeckoComment.CreateCommentWrapper(comment)); } break; case NodeType.DocumentFragment: nsIDOMDocumentFragment fragment = Xpcom.QueryInterface <nsIDOMDocumentFragment>(domObject); if (fragment != null) { return(DOM.DocumentFragment.CreateDocumentFragmentWrapper(fragment)); } break; } // if we don't handle this type - just create GeckoNode return(new GeckoNode(domObject)); }
internal static GeckoNode CreateNodeWrapper(nsIDOMNode domObject) { // if null -> return null if (domObject == null) { return(null); } var nodeType = ( NodeType )domObject.GetNodeTypeAttribute(); // by nodeType we can find proper wrapper faster, than perform QueryInterface switch (nodeType) { case NodeType.Element: nsIDOMHTMLElement element = Xpcom.QueryInterface <nsIDOMHTMLElement>(domObject); if (element != null) { return(GeckoElement.Create(element)); } break; case NodeType.Attribute: nsIDOMAttr attr = Xpcom.QueryInterface <nsIDOMAttr>(domObject); if (attr != null) { return(GeckoAttribute.CreateAttributeWrapper(attr)); } break; case NodeType.Comment: nsIDOMComment comment = Xpcom.QueryInterface <nsIDOMComment>(domObject); if (comment != null) { return(GeckoComment.CreateCommentWrapper(comment)); } break; case NodeType.DocumentFragment: nsIDOMDocumentFragment fragment = Xpcom.QueryInterface <nsIDOMDocumentFragment>(domObject); if (fragment != null) { return(DOM.DocumentFragment.CreateDocumentFragmentWrapper(fragment)); } break; } // if fast method is unsuccessful try old method :) return(OldCreateWrapper(domObject)); }