1/* 2 * Copyright (C) 2013 Samsung Electronics. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef SVGUnknownElement_h 27#define SVGUnknownElement_h 28 29#include "SVGElement.h" 30 31namespace WebCore { 32 33// This type is used for 2 kinds of elements: 34// - Unknown Elements in SVG namespace 35// - Registered custom tag elements in SVG namespace (http://www.w3.org/TR/2013/WD-custom-elements-20130514/#registering-custom-elements) 36// 37// The main purpose of this class at the moment is to override rendererIsNeeded() to return 38// false to make sure we don't attempt to render such elements. 39class SVGUnknownElement final : public SVGElement { 40public: 41 static PassRefPtr<SVGUnknownElement> create(const QualifiedName& tagName, Document& document) 42 { 43 return adoptRef(new SVGUnknownElement(tagName, document)); 44 } 45 46private: 47 SVGUnknownElement(const QualifiedName& tagName, Document& document) 48 : SVGElement(tagName, document) 49 { 50 } 51 52 virtual bool rendererIsNeeded(const RenderStyle&) override { return false; } 53}; 54 55} // namespace WebCore 56 57#endif // SVGUnknownElement_h 58