bindings: Retires manual dispatching in createV8{HTML,SVG}Wrapper, etc.

Source/bindings/core/v8/custom/V8NodeCustom.cpp

-/*
- * Copyright (C) 2007-2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "bindings/core/v8/V8Node.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/V8AbstractEventListener.h"
-#include "bindings/core/v8/V8Attr.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8CDATASection.h"
-#include "bindings/core/v8/V8Comment.h"
-#include "bindings/core/v8/V8Document.h"
-#include "bindings/core/v8/V8DocumentFragment.h"
-#include "bindings/core/v8/V8DocumentType.h"
-#include "bindings/core/v8/V8Element.h"
-#include "bindings/core/v8/V8EventListener.h"
-#include "bindings/core/v8/V8HTMLElement.h"
-#include "bindings/core/v8/V8ProcessingInstruction.h"
-#include "bindings/core/v8/V8SVGElement.h"
-#include "bindings/core/v8/V8ShadowRoot.h"
-#include "bindings/core/v8/V8Text.h"
-#include "core/dom/Document.h"
-#include "core/dom/shadow/ShadowRoot.h"
-#include "core/events/EventListener.h"
-#include "wtf/RefPtr.h"
-
-namespace blink {
-
-// These functions are custom to prevent a wrapper lookup of the return value which is always
-// part of the arguments.
-v8::Handle<v8::Object> wrap(Node* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    ASSERT(impl);
-    switch (impl->nodeType()) {
-    case Node::ELEMENT_NODE:
-        // For performance reasons, this is inlined from V8Element::wrap and must remain in sync.
-        if (impl->isHTMLElement())
-            return wrap(toHTMLElement(impl), creationContext, isolate);
-        if (impl->isSVGElement())
-            return wrap(toSVGElement(impl), creationContext, isolate);
-        return V8Element::createWrapper(toElement(impl), creationContext, isolate);
-    case Node::ATTRIBUTE_NODE:
-        return wrap(toAttr(impl), creationContext, isolate);
-    case Node::TEXT_NODE:
-        return wrap(toText(impl), creationContext, isolate);
-    case Node::CDATA_SECTION_NODE:
-        return wrap(toCDATASection(impl), creationContext, isolate);
-    case Node::PROCESSING_INSTRUCTION_NODE:
-        return wrap(toProcessingInstruction(impl), creationContext, isolate);
-    case Node::COMMENT_NODE:
-        return wrap(toComment(impl), creationContext, isolate);
-    case Node::DOCUMENT_NODE:
-        return wrap(toDocument(impl), creationContext, isolate);
-    case Node::DOCUMENT_TYPE_NODE:
-        return wrap(toDocumentType(impl), creationContext, isolate);
-    case Node::DOCUMENT_FRAGMENT_NODE:
-        if (impl->isShadowRoot())
-            return wrap(toShadowRoot(impl), creationContext, isolate);
-        return wrap(toDocumentFragment(impl), creationContext, isolate);
-    }
-    ASSERT_NOT_REACHED();
-    return V8Node::createWrapper(impl, creationContext, isolate);
-}
-} // namespace blink