--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSNodeCustom.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2007, 2009, 2010 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "JSNode.h"
+
+#include "Attr.h"
+#include "CDATASection.h"
+#include "Comment.h"
+#include "Document.h"
+#include "DocumentFragment.h"
+#include "DocumentType.h"
+#include "Entity.h"
+#include "EntityReference.h"
+#include "ExceptionCode.h"
+#include "HTMLElement.h"
+#include "JSAttr.h"
+#include "JSCDATASection.h"
+#include "JSComment.h"
+#include "JSDOMBinding.h"
+#include "JSDocument.h"
+#include "JSDocumentFragment.h"
+#include "JSDocumentType.h"
+#include "JSEntity.h"
+#include "JSEntityReference.h"
+#include "JSEventListener.h"
+#include "JSHTMLElement.h"
+#include "JSHTMLElementWrapperFactory.h"
+#include "JSNotation.h"
+#include "JSProcessingInstruction.h"
+#include "JSText.h"
+#include "Node.h"
+#include "Notation.h"
+#include "ProcessingInstruction.h"
+#include "RegisteredEventListener.h"
+#include "Text.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+
+#if ENABLE(SVG)
+#include "JSSVGElementWrapperFactory.h"
+#include "SVGElement.h"
+#endif
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSValue JSNode::insertBefore(ExecState* exec)
+{
+ Node* imp = static_cast<Node*>(impl());
+ ExceptionCode ec = 0;
+ bool ok = imp->insertBefore(toNode(exec->argument(0)), toNode(exec->argument(1)), ec, true);
+ setDOMException(exec, ec);
+ if (ok)
+ return exec->argument(0);
+ return jsNull();
+}
+
+JSValue JSNode::replaceChild(ExecState* exec)
+{
+ Node* imp = static_cast<Node*>(impl());
+ ExceptionCode ec = 0;
+ bool ok = imp->replaceChild(toNode(exec->argument(0)), toNode(exec->argument(1)), ec, true);
+ setDOMException(exec, ec);
+ if (ok)
+ return exec->argument(1);
+ return jsNull();
+}
+
+JSValue JSNode::removeChild(ExecState* exec)
+{
+ Node* imp = static_cast<Node*>(impl());
+ ExceptionCode ec = 0;
+ bool ok = imp->removeChild(toNode(exec->argument(0)), ec);
+ setDOMException(exec, ec);
+ if (ok)
+ return exec->argument(0);
+ return jsNull();
+}
+
+JSValue JSNode::appendChild(ExecState* exec)
+{
+ Node* imp = static_cast<Node*>(impl());
+ ExceptionCode ec = 0;
+ bool ok = imp->appendChild(toNode(exec->argument(0)), ec, true);
+ setDOMException(exec, ec);
+ if (ok)
+ return exec->argument(0);
+ return jsNull();
+}
+
+void JSNode::pushEventHandlerScope(ExecState*, ScopeChain&) const
+{
+}
+
+void JSNode::markChildren(MarkStack& markStack)
+{
+ Base::markChildren(markStack);
+
+ Node* node = m_impl.get();
+ node->markJSEventListeners(markStack);
+
+ // Nodes in the document are kept alive by JSDocument::mark, so, if we're in
+ // the document, we need to mark the document, but we don't need to explicitly
+ // mark any other nodes.
+ if (node->inDocument()) {
+ if (Document* doc = node->ownerDocument())
+ markDOMNodeWrapper(markStack, doc, doc);
+ return;
+ }
+
+ // This is a node outside the document.
+ // Find the the root, and the highest ancestor with a wrapper.
+ Node* root = node;
+ Node* outermostNodeWithWrapper = node;
+ for (Node* current = m_impl.get(); current; current = current->parentNode()) {
+ root = current;
+ if (hasCachedDOMNodeWrapperUnchecked(current->document(), current))
+ outermostNodeWithWrapper = current;
+ }
+
+ // Only nodes that have no ancestors with wrappers mark the subtree. In the common
+ // case, the root of the detached subtree has a wrapper, so the tree will only
+ // get marked once. Nodes that aren't outermost need to mark the outermost
+ // in case it is otherwise unreachable.
+ // FIXME: In the non-common case of root not having a wrapper, this is still an O(n^2) algorithm,
+ // as we will traverse the whole tree as many times as there are nodes with wrappers in it.
+ if (node != outermostNodeWithWrapper) {
+ markDOMNodeWrapper(markStack, m_impl->document(), outermostNodeWithWrapper);
+ return;
+ }
+
+ // Mark the whole tree subtree.
+ for (Node* nodeToMark = root; nodeToMark; nodeToMark = nodeToMark->traverseNextNode())
+ markDOMNodeWrapper(markStack, m_impl->document(), nodeToMark);
+}
+
+static ALWAYS_INLINE JSValue createWrapperInline(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
+{
+ ASSERT(node);
+ ASSERT(!getCachedDOMNodeWrapper(exec, node->document(), node));
+
+ JSNode* wrapper;
+ switch (node->nodeType()) {
+ case Node::ELEMENT_NODE:
+ if (node->isHTMLElement())
+ wrapper = createJSHTMLWrapper(exec, globalObject, static_cast<HTMLElement*>(node));
+#if ENABLE(SVG)
+ else if (node->isSVGElement())
+ wrapper = createJSSVGWrapper(exec, globalObject, static_cast<SVGElement*>(node));
+#endif
+ else
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Element, node);
+ break;
+ case Node::ATTRIBUTE_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Attr, node);
+ break;
+ case Node::TEXT_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Text, node);
+ break;
+ case Node::CDATA_SECTION_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, CDATASection, node);
+ break;
+ case Node::ENTITY_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Entity, node);
+ break;
+ case Node::PROCESSING_INSTRUCTION_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, ProcessingInstruction, node);
+ break;
+ case Node::COMMENT_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Comment, node);
+ break;
+ case Node::DOCUMENT_NODE:
+ // we don't want to cache the document itself in the per-document dictionary
+ return toJS(exec, globalObject, static_cast<Document*>(node));
+ case Node::DOCUMENT_TYPE_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, DocumentType, node);
+ break;
+ case Node::NOTATION_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Notation, node);
+ break;
+ case Node::DOCUMENT_FRAGMENT_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, DocumentFragment, node);
+ break;
+ case Node::ENTITY_REFERENCE_NODE:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, EntityReference, node);
+ break;
+ default:
+ wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Node, node);
+ }
+
+ return wrapper;
+}
+
+JSValue createWrapper(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
+{
+ return createWrapperInline(exec, globalObject, node);
+}
+
+JSValue toJSNewlyCreated(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
+{
+ if (!node)
+ return jsNull();
+
+ return createWrapperInline(exec, globalObject, node);
+}
+
+} // namespace WebCore