| Index: third_party/WebKit/WebCore/dom/Node.cpp
|
| ===================================================================
|
| --- third_party/WebKit/WebCore/dom/Node.cpp (revision 9383)
|
| +++ third_party/WebKit/WebCore/dom/Node.cpp (working copy)
|
| @@ -1,3233 +1,2128 @@
|
| -/*
|
| - * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
|
| - * (C) 1999 Antti Koivisto (koivisto@kde.org)
|
| - * (C) 2001 Dirk Mueller (mueller@kde.org)
|
| - * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
|
| - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
|
| - *
|
| - * This library is free software; you can redistribute it and/or
|
| - * modify it under the terms of the GNU Library General Public
|
| - * License as published by the Free Software Foundation; either
|
| - * version 2 of the License, or (at your option) any later version.
|
| - *
|
| - * This library is distributed in the hope that it will be useful,
|
| - * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| - * Library General Public License for more details.
|
| - *
|
| - * You should have received a copy of the GNU Library General Public License
|
| - * along with this library; see the file COPYING.LIB. If not, write to
|
| - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| - * Boston, MA 02110-1301, USA.
|
| - */
|
| -
|
| -#include "config.h"
|
| -#include "Node.h"
|
| -
|
| -#include "CSSParser.h"
|
| -#include "CSSRule.h"
|
| -#include "CSSRuleList.h"
|
| -#include "CSSSelector.h"
|
| -#include "CSSSelectorList.h"
|
| -#include "CSSStyleRule.h"
|
| -#include "CSSStyleSelector.h"
|
| -#include "CSSStyleSheet.h"
|
| -#include "CString.h"
|
| -#include "ChildNodeList.h"
|
| -#include "ClassNodeList.h"
|
| -#include "DOMImplementation.h"
|
| -#include "Document.h"
|
| -#include "DynamicNodeList.h"
|
| -#include "Element.h"
|
| -#include "Event.h"
|
| -#include "EventException.h"
|
| -#include "EventHandler.h"
|
| -#include "EventListener.h"
|
| -#include "EventNames.h"
|
| -#include "ExceptionCode.h"
|
| -#include "Frame.h"
|
| -#include "FrameView.h"
|
| -#include "HTMLNames.h"
|
| -#include "JSDOMBinding.h"
|
| -#include "KeyboardEvent.h"
|
| -#include "Logging.h"
|
| -#include "MouseEvent.h"
|
| -#include "MutationEvent.h"
|
| -#include "NameNodeList.h"
|
| -#include "NamedAttrMap.h"
|
| -#include "NodeRareData.h"
|
| -#include "Page.h"
|
| -#include "PlatformMouseEvent.h"
|
| -#include "PlatformWheelEvent.h"
|
| -#include "ProcessingInstruction.h"
|
| -#include "ProgressEvent.h"
|
| -#include "RegisteredEventListener.h"
|
| -#include "RenderObject.h"
|
| -#include "ScriptController.h"
|
| -#include "SelectorNodeList.h"
|
| -#include "StringBuilder.h"
|
| -#include "TagNodeList.h"
|
| -#include "Text.h"
|
| -#include "TextEvent.h"
|
| -#include "UIEvent.h"
|
| -#include "UIEventWithKeyState.h"
|
| -#include "WebKitAnimationEvent.h"
|
| -#include "WebKitTransitionEvent.h"
|
| -#include "WheelEvent.h"
|
| -#include "XMLNames.h"
|
| -#include "htmlediting.h"
|
| -#include <wtf/HashSet.h>
|
| -#include <wtf/RefCountedLeakCounter.h>
|
| -
|
| -#if ENABLE(DOM_STORAGE)
|
| -#include "StorageEvent.h"
|
| -#endif
|
| -
|
| -#if ENABLE(SVG)
|
| -#include "SVGElementInstance.h"
|
| -#include "SVGUseElement.h"
|
| -#endif
|
| -
|
| -#define DUMP_NODE_STATISTICS 0
|
| -
|
| -using namespace std;
|
| -
|
| -namespace WebCore {
|
| -
|
| -using namespace HTMLNames;
|
| -
|
| -static HashSet<Node*>* gNodesDispatchingSimulatedClicks = 0;
|
| -
|
| -bool Node::isSupported(const String& feature, const String& version)
|
| -{
|
| - return DOMImplementation::hasFeature(feature, version);
|
| -}
|
| -
|
| -#if DUMP_NODE_STATISTICS
|
| -static HashSet<Node*> liveNodeSet;
|
| -#endif
|
| -
|
| -void Node::dumpStatistics()
|
| -{
|
| -#if DUMP_NODE_STATISTICS
|
| - size_t nodesWithRareData = 0;
|
| -
|
| - size_t elementNodes = 0;
|
| - size_t attrNodes = 0;
|
| - size_t textNodes = 0;
|
| - size_t cdataNodes = 0;
|
| - size_t commentNodes = 0;
|
| - size_t entityReferenceNodes = 0;
|
| - size_t entityNodes = 0;
|
| - size_t piNodes = 0;
|
| - size_t documentNodes = 0;
|
| - size_t docTypeNodes = 0;
|
| - size_t fragmentNodes = 0;
|
| - size_t notationNodes = 0;
|
| - size_t xpathNSNodes = 0;
|
| -
|
| - HashMap<String, size_t> perTagCount;
|
| -
|
| - size_t attributes = 0;
|
| - size_t mappedAttributes = 0;
|
| - size_t mappedAttributesWithStyleDecl = 0;
|
| - size_t attributesWithAttr = 0;
|
| - size_t attrMaps = 0;
|
| - size_t mappedAttrMaps = 0;
|
| -
|
| - for (HashSet<Node*>::const_iterator it = liveNodeSet.begin(); it != liveNodeSet.end(); ++it) {
|
| - Node* node = *it;
|
| -
|
| - if (node->hasRareData())
|
| - ++nodesWithRareData;
|
| -
|
| - switch (node->nodeType()) {
|
| - case ELEMENT_NODE: {
|
| - ++elementNodes;
|
| -
|
| - // Tag stats
|
| - Element* element = static_cast<Element*>(node);
|
| - pair<HashMap<String, size_t>::iterator, bool> result = perTagCount.add(element->tagName(), 1);
|
| - if (!result.second)
|
| - result.first->second++;
|
| -
|
| - // AttributeMap stats
|
| - if (NamedAttrMap* attrMap = element->attributes(true)) {
|
| - attributes += attrMap->length();
|
| - ++attrMaps;
|
| - if (attrMap->isMappedAttributeMap())
|
| - ++mappedAttrMaps;
|
| - for (unsigned i = 0; i < attrMap->length(); ++i) {
|
| - Attribute* attr = attrMap->attributeItem(i);
|
| - if (attr->attr())
|
| - ++attributesWithAttr;
|
| - if (attr->isMappedAttribute()) {
|
| - ++mappedAttributes;
|
| - if (attr->style())
|
| - ++mappedAttributesWithStyleDecl;
|
| - }
|
| - }
|
| - }
|
| - break;
|
| - }
|
| - case ATTRIBUTE_NODE: {
|
| - ++attrNodes;
|
| - break;
|
| - }
|
| - case TEXT_NODE: {
|
| - ++textNodes;
|
| - break;
|
| - }
|
| - case CDATA_SECTION_NODE: {
|
| - ++cdataNodes;
|
| - break;
|
| - }
|
| - case COMMENT_NODE: {
|
| - ++commentNodes;
|
| - break;
|
| - }
|
| - case ENTITY_REFERENCE_NODE: {
|
| - ++entityReferenceNodes;
|
| - break;
|
| - }
|
| - case ENTITY_NODE: {
|
| - ++entityNodes;
|
| - break;
|
| - }
|
| - case PROCESSING_INSTRUCTION_NODE: {
|
| - ++piNodes;
|
| - break;
|
| - }
|
| - case DOCUMENT_NODE: {
|
| - ++documentNodes;
|
| - break;
|
| - }
|
| - case DOCUMENT_TYPE_NODE: {
|
| - ++docTypeNodes;
|
| - break;
|
| - }
|
| - case DOCUMENT_FRAGMENT_NODE: {
|
| - ++fragmentNodes;
|
| - break;
|
| - }
|
| - case NOTATION_NODE: {
|
| - ++notationNodes;
|
| - break;
|
| - }
|
| - case XPATH_NAMESPACE_NODE: {
|
| - ++xpathNSNodes;
|
| - break;
|
| - }
|
| - }
|
| -
|
| - }
|
| -
|
| - printf("Number of Nodes: %d\n\n", liveNodeSet.size());
|
| - printf("Number of Nodes with RareData: %zu\n\n", nodesWithRareData);
|
| -
|
| - printf("NodeType distrubution:\n");
|
| - printf(" Number of Element nodes: %zu\n", elementNodes);
|
| - printf(" Number of Attribute nodes: %zu\n", attrNodes);
|
| - printf(" Number of Text nodes: %zu\n", textNodes);
|
| - printf(" Number of CDATASection nodes: %zu\n", cdataNodes);
|
| - printf(" Number of Comment nodes: %zu\n", commentNodes);
|
| - printf(" Number of EntityReference nodes: %zu\n", entityReferenceNodes);
|
| - printf(" Number of Entity nodes: %zu\n", entityNodes);
|
| - printf(" Number of ProcessingInstruction nodes: %zu\n", piNodes);
|
| - printf(" Number of Document nodes: %zu\n", documentNodes);
|
| - printf(" Number of DocumentType nodes: %zu\n", docTypeNodes);
|
| - printf(" Number of DocumentFragment nodes: %zu\n", fragmentNodes);
|
| - printf(" Number of Notation nodes: %zu\n", notationNodes);
|
| - printf(" Number of XPathNS nodes: %zu\n", xpathNSNodes);
|
| -
|
| - printf("Element tag name distibution:\n");
|
| - for (HashMap<String, size_t>::const_iterator it = perTagCount.begin(); it != perTagCount.end(); ++it)
|
| - printf(" Number of <%s> tags: %zu\n", it->first.utf8().data(), it->second);
|
| -
|
| - printf("Attribute Maps:\n");
|
| - printf(" Number of Attributes (non-Node and Node): %zu [%zu]\n", attributes, sizeof(Attribute));
|
| - printf(" Number of MappedAttributes: %zu [%zu]\n", mappedAttributes, sizeof(MappedAttribute));
|
| - printf(" Number of MappedAttributes with a StyleDeclaration: %zu\n", mappedAttributesWithStyleDecl);
|
| - printf(" Number of Attributes with an Attr: %zu\n", attributesWithAttr);
|
| - printf(" Number of NamedAttrMaps: %zu\n", attrMaps);
|
| - printf(" Number of NamedMappedAttrMap: %zu\n", mappedAttrMaps);
|
| -#endif
|
| -}
|
| -
|
| -#ifndef NDEBUG
|
| -static WTF::RefCountedLeakCounter nodeCounter("WebCoreNode");
|
| -
|
| -static bool shouldIgnoreLeaks = false;
|
| -static HashSet<Node*> ignoreSet;
|
| -#endif
|
| -
|
| -void Node::startIgnoringLeaks()
|
| -{
|
| -#ifndef NDEBUG
|
| - shouldIgnoreLeaks = true;
|
| -#endif
|
| -}
|
| -
|
| -void Node::stopIgnoringLeaks()
|
| -{
|
| -#ifndef NDEBUG
|
| - shouldIgnoreLeaks = false;
|
| -#endif
|
| -}
|
| -
|
| -Node::StyleChange Node::diff( RenderStyle *s1, RenderStyle *s2 )
|
| -{
|
| - // FIXME: The behavior of this function is just totally wrong. It doesn't handle
|
| - // explicit inheritance of non-inherited properties and so you end up not re-resolving
|
| - // style in cases where you need to.
|
| - StyleChange ch = NoInherit;
|
| - EDisplay display1 = s1 ? s1->display() : NONE;
|
| - bool fl1 = s1 && s1->hasPseudoStyle(FIRST_LETTER);
|
| - EDisplay display2 = s2 ? s2->display() : NONE;
|
| - bool fl2 = s2 && s2->hasPseudoStyle(FIRST_LETTER);
|
| -
|
| - if (display1 != display2 || fl1 != fl2 || (s1 && s2 && !s1->contentDataEquivalent(s2)))
|
| - ch = Detach;
|
| - else if (!s1 || !s2)
|
| - ch = Inherit;
|
| - else if (*s1 == *s2)
|
| - ch = NoChange;
|
| - else if (s1->inheritedNotEqual(s2))
|
| - ch = Inherit;
|
| -
|
| - // If the pseudoStyles have changed, we want any StyleChange that is not NoChange
|
| - // because setStyle will do the right thing with anything else.
|
| - if (ch == NoChange && s1->hasPseudoStyle(BEFORE)) {
|
| - RenderStyle* ps2 = s2->getCachedPseudoStyle(BEFORE);
|
| - if (!ps2)
|
| - ch = NoInherit;
|
| - else {
|
| - RenderStyle* ps1 = s1->getCachedPseudoStyle(BEFORE);
|
| - ch = ps1 && *ps1 == *ps2 ? NoChange : NoInherit;
|
| - }
|
| - }
|
| - if (ch == NoChange && s1->hasPseudoStyle(AFTER)) {
|
| - RenderStyle* ps2 = s2->getCachedPseudoStyle(AFTER);
|
| - if (!ps2)
|
| - ch = NoInherit;
|
| - else {
|
| - RenderStyle* ps1 = s1->getCachedPseudoStyle(AFTER);
|
| - ch = ps2 && *ps1 == *ps2 ? NoChange : NoInherit;
|
| - }
|
| - }
|
| -
|
| - return ch;
|
| -}
|
| -
|
| -Node::Node(Document* doc, bool isElement, bool isContainer, bool isText)
|
| - : m_document(doc)
|
| - , m_previous(0)
|
| - , m_next(0)
|
| - , m_renderer(0)
|
| - , m_styleChange(NoStyleChange)
|
| - , m_hasId(false)
|
| - , m_hasClass(false)
|
| - , m_attached(false)
|
| - , m_hasChangedChild(false)
|
| - , m_inDocument(false)
|
| - , m_isLink(false)
|
| - , m_active(false)
|
| - , m_hovered(false)
|
| - , m_inActiveChain(false)
|
| - , m_inDetach(false)
|
| - , m_inSubtreeMark(false)
|
| - , m_hasRareData(false)
|
| - , m_isElement(isElement)
|
| - , m_isContainer(isContainer)
|
| - , m_isText(isText)
|
| - , m_parsingChildrenFinished(true)
|
| -#if ENABLE(SVG)
|
| - , m_areSVGAttributesValid(true)
|
| -#endif
|
| - , m_isStyleAttributeValid(true)
|
| - , m_synchronizingStyleAttribute(false)
|
| -#if ENABLE(SVG)
|
| - , m_synchronizingSVGAttributes(false)
|
| -#endif
|
| -{
|
| -#ifndef NDEBUG
|
| - if (shouldIgnoreLeaks)
|
| - ignoreSet.add(this);
|
| - else
|
| - nodeCounter.increment();
|
| -#endif
|
| -#if DUMP_NODE_STATISTICS
|
| - liveNodeSet.add(this);
|
| -#endif
|
| -}
|
| -
|
| -Node::~Node()
|
| -{
|
| -#ifndef NDEBUG
|
| - HashSet<Node*>::iterator it = ignoreSet.find(this);
|
| - if (it != ignoreSet.end())
|
| - ignoreSet.remove(it);
|
| - else
|
| - nodeCounter.decrement();
|
| -#endif
|
| -
|
| -#if DUMP_NODE_STATISTICS
|
| - liveNodeSet.remove(this);
|
| -#endif
|
| -
|
| - if (!eventListeners().isEmpty() && !inDocument())
|
| - document()->unregisterDisconnectedNodeWithEventListeners(this);
|
| -
|
| - if (!hasRareData())
|
| - ASSERT(!NodeRareData::rareDataMap().contains(this));
|
| - else {
|
| - if (m_document && rareData()->nodeLists())
|
| - m_document->removeNodeListCache();
|
| -
|
| - NodeRareData::NodeRareDataMap& dataMap = NodeRareData::rareDataMap();
|
| - NodeRareData::NodeRareDataMap::iterator it = dataMap.find(this);
|
| - ASSERT(it != dataMap.end());
|
| - delete it->second;
|
| - dataMap.remove(it);
|
| - }
|
| -
|
| - if (renderer())
|
| - detach();
|
| -
|
| - if (m_previous)
|
| - m_previous->setNextSibling(0);
|
| - if (m_next)
|
| - m_next->setPreviousSibling(0);
|
| -}
|
| -
|
| -void Node::setDocument(Document* doc)
|
| -{
|
| - if (inDocument() || m_document == doc)
|
| - return;
|
| -
|
| - willMoveToNewOwnerDocument();
|
| -
|
| - updateDOMNodeDocument(this, m_document.get(), doc);
|
| -
|
| - m_document = doc;
|
| -
|
| - didMoveToNewOwnerDocument();
|
| -}
|
| -
|
| -NodeRareData* Node::rareData() const
|
| -{
|
| - ASSERT(hasRareData());
|
| - return NodeRareData::rareDataFromMap(this);
|
| -}
|
| -
|
| -NodeRareData* Node::ensureRareData()
|
| -{
|
| - if (hasRareData())
|
| - return rareData();
|
| -
|
| - ASSERT(!NodeRareData::rareDataMap().contains(this));
|
| - NodeRareData* data = createRareData();
|
| - NodeRareData::rareDataMap().set(this, data);
|
| - m_hasRareData = true;
|
| - return data;
|
| -}
|
| -
|
| -NodeRareData* Node::createRareData()
|
| -{
|
| - return new NodeRareData;
|
| -}
|
| -
|
| -short Node::tabIndex() const
|
| -{
|
| - return hasRareData() ? rareData()->tabIndex() : 0;
|
| -}
|
| -
|
| -void Node::setTabIndexExplicitly(short i)
|
| -{
|
| - ensureRareData()->setTabIndexExplicitly(i);
|
| -}
|
| -
|
| -String Node::nodeValue() const
|
| -{
|
| - return String();
|
| -}
|
| -
|
| -void Node::setNodeValue(const String& /*nodeValue*/, ExceptionCode& ec)
|
| -{
|
| - // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly
|
| - if (isReadOnlyNode()) {
|
| - ec = NO_MODIFICATION_ALLOWED_ERR;
|
| - return;
|
| - }
|
| -
|
| - // By default, setting nodeValue has no effect.
|
| -}
|
| -
|
| -PassRefPtr<NodeList> Node::childNodes()
|
| -{
|
| - NodeRareData* data = ensureRareData();
|
| - if (!data->nodeLists()) {
|
| - data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| - document()->addNodeListCache();
|
| - }
|
| -
|
| - return ChildNodeList::create(this, &data->nodeLists()->m_childNodeListCaches);
|
| -}
|
| -
|
| -Node *Node::lastDescendant() const
|
| -{
|
| - Node *n = const_cast<Node *>(this);
|
| - while (n && n->lastChild())
|
| - n = n->lastChild();
|
| - return n;
|
| -}
|
| -
|
| -Node* Node::firstDescendant() const
|
| -{
|
| - Node *n = const_cast<Node *>(this);
|
| - while (n && n->firstChild())
|
| - n = n->firstChild();
|
| - return n;
|
| -}
|
| -
|
| -bool Node::insertBefore(PassRefPtr<Node>, Node*, ExceptionCode& ec, bool)
|
| -{
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return false;
|
| -}
|
| -
|
| -bool Node::replaceChild(PassRefPtr<Node>, Node*, ExceptionCode& ec, bool)
|
| -{
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return false;
|
| -}
|
| -
|
| -bool Node::removeChild(Node*, ExceptionCode& ec)
|
| -{
|
| - ec = NOT_FOUND_ERR;
|
| - return false;
|
| -}
|
| -
|
| -bool Node::appendChild(PassRefPtr<Node>, ExceptionCode& ec, bool)
|
| -{
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return false;
|
| -}
|
| -
|
| -void Node::remove(ExceptionCode& ec)
|
| -{
|
| - ref();
|
| - if (Node *p = parentNode())
|
| - p->removeChild(this, ec);
|
| - else
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - deref();
|
| -}
|
| -
|
| -void Node::normalize()
|
| -{
|
| - // Go through the subtree beneath us, normalizing all nodes. This means that
|
| - // any two adjacent text nodes are merged together.
|
| -
|
| - RefPtr<Node> node = this;
|
| - while (Node* firstChild = node->firstChild())
|
| - node = firstChild;
|
| - for (; node; node = node->traverseNextNodePostOrder()) {
|
| - NodeType type = node->nodeType();
|
| - if (type == ELEMENT_NODE)
|
| - static_cast<Element*>(node.get())->normalizeAttributes();
|
| -
|
| - Node* firstChild = node->firstChild();
|
| - if (firstChild && !firstChild->nextSibling() && firstChild->isTextNode()) {
|
| - Text* text = static_cast<Text*>(firstChild);
|
| - if (!text->length()) {
|
| - ExceptionCode ec;
|
| - text->remove(ec);
|
| - }
|
| - }
|
| -
|
| - if (node == this)
|
| - break;
|
| -
|
| - if (type == TEXT_NODE) {
|
| - while (1) {
|
| - Node* nextSibling = node->nextSibling();
|
| - if (!nextSibling || !nextSibling->isTextNode())
|
| - break;
|
| - // Current child and the next one are both text nodes. Merge them.
|
| - Text* text = static_cast<Text*>(node.get());
|
| - RefPtr<Text> nextText = static_cast<Text*>(nextSibling);
|
| - unsigned offset = text->length();
|
| - ExceptionCode ec;
|
| - text->appendData(nextText->data(), ec);
|
| - document()->textNodesMerged(nextText.get(), offset);
|
| - nextText->remove(ec);
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -const AtomicString& Node::virtualPrefix() const
|
| -{
|
| - // For nodes other than elements and attributes, the prefix is always null
|
| - return nullAtom;
|
| -}
|
| -
|
| -void Node::setPrefix(const AtomicString& /*prefix*/, ExceptionCode& ec)
|
| -{
|
| - // The spec says that for nodes other than elements and attributes, prefix is always null.
|
| - // It does not say what to do when the user tries to set the prefix on another type of
|
| - // node, however Mozilla throws a NAMESPACE_ERR exception.
|
| - ec = NAMESPACE_ERR;
|
| -}
|
| -
|
| -const AtomicString& Node::virtualLocalName() const
|
| -{
|
| - return nullAtom;
|
| -}
|
| -
|
| -const AtomicString& Node::virtualNamespaceURI() const
|
| -{
|
| - return nullAtom;
|
| -}
|
| -
|
| -ContainerNode* Node::addChild(PassRefPtr<Node>)
|
| -{
|
| - return 0;
|
| -}
|
| -
|
| -bool Node::isContentEditable() const
|
| -{
|
| - return parent() && parent()->isContentEditable();
|
| -}
|
| -
|
| -bool Node::isContentRichlyEditable() const
|
| -{
|
| - return parent() && parent()->isContentRichlyEditable();
|
| -}
|
| -
|
| -bool Node::shouldUseInputMethod() const
|
| -{
|
| - return isContentEditable();
|
| -}
|
| -
|
| -RenderBox* Node::renderBox() const
|
| -{
|
| - return m_renderer && m_renderer->isBox() ? static_cast<RenderBox*>(m_renderer) : 0;
|
| -}
|
| -
|
| -IntRect Node::getRect() const
|
| -{
|
| - // FIXME: broken with transforms
|
| - if (renderer())
|
| - return renderer()->absoluteBoundingBoxRect();
|
| - return IntRect();
|
| -}
|
| -
|
| -void Node::setChanged(StyleChangeType changeType)
|
| -{
|
| - if ((changeType != NoStyleChange) && !attached()) // changed compared to what?
|
| - return;
|
| -
|
| - if (!(changeType == InlineStyleChange && (m_styleChange == FullStyleChange || m_styleChange == AnimationStyleChange)))
|
| - m_styleChange = changeType;
|
| -
|
| - if (m_styleChange != NoStyleChange) {
|
| - for (Node* p = parentNode(); p && !p->hasChangedChild(); p = p->parentNode())
|
| - p->setHasChangedChild(true);
|
| - document()->setDocumentChanged(true);
|
| - }
|
| -}
|
| -
|
| -static Node* outermostLazyAttachedAncestor(Node* start)
|
| -{
|
| - Node* p = start;
|
| - for (Node* next = p->parentNode(); !next->renderer(); p = next, next = next->parentNode()) {}
|
| - return p;
|
| -}
|
| -
|
| -void Node::lazyAttach()
|
| -{
|
| - bool mustDoFullAttach = false;
|
| -
|
| - for (Node* n = this; n; n = n->traverseNextNode(this)) {
|
| - if (!n->canLazyAttach()) {
|
| - mustDoFullAttach = true;
|
| - break;
|
| - }
|
| -
|
| - if (n->firstChild())
|
| - n->setHasChangedChild(true);
|
| - n->m_styleChange = FullStyleChange;
|
| - n->m_attached = true;
|
| - }
|
| -
|
| - if (mustDoFullAttach) {
|
| - Node* lazyAttachedAncestor = outermostLazyAttachedAncestor(this);
|
| - if (lazyAttachedAncestor->attached())
|
| - lazyAttachedAncestor->detach();
|
| - lazyAttachedAncestor->attach();
|
| - } else {
|
| - for (Node* p = parentNode(); p && !p->hasChangedChild(); p = p->parentNode())
|
| - p->setHasChangedChild(true);
|
| - document()->setDocumentChanged(true);
|
| - }
|
| -}
|
| -
|
| -bool Node::canLazyAttach()
|
| -{
|
| - return shadowAncestorNode() == this;
|
| -}
|
| -
|
| -void Node::setFocus(bool b)
|
| -{
|
| - if (b || hasRareData())
|
| - ensureRareData()->setFocused(b);
|
| -}
|
| -
|
| -bool Node::rareDataFocused() const
|
| -{
|
| - ASSERT(hasRareData());
|
| - return rareData()->isFocused();
|
| -}
|
| -
|
| -bool Node::isFocusable() const
|
| -{
|
| - return hasRareData() && rareData()->tabIndexSetExplicitly();
|
| -}
|
| -
|
| -bool Node::isKeyboardFocusable(KeyboardEvent*) const
|
| -{
|
| - return isFocusable() && tabIndex() >= 0;
|
| -}
|
| -
|
| -bool Node::isMouseFocusable() const
|
| -{
|
| - return isFocusable();
|
| -}
|
| -
|
| -unsigned Node::nodeIndex() const
|
| -{
|
| - Node *_tempNode = previousSibling();
|
| - unsigned count=0;
|
| - for( count=0; _tempNode; count++ )
|
| - _tempNode = _tempNode->previousSibling();
|
| - return count;
|
| -}
|
| -
|
| -void Node::registerDynamicNodeList(DynamicNodeList* list)
|
| -{
|
| - NodeRareData* data = ensureRareData();
|
| - if (!data->nodeLists()) {
|
| - data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| - document()->addNodeListCache();
|
| - } else if (!m_document->hasNodeListCaches()) {
|
| - // We haven't been receiving notifications while there were no registered lists, so the cache is invalid now.
|
| - data->nodeLists()->invalidateCaches();
|
| - }
|
| -
|
| - if (list->hasOwnCaches())
|
| - data->nodeLists()->m_listsWithCaches.add(list);
|
| -}
|
| -
|
| -void Node::unregisterDynamicNodeList(DynamicNodeList* list)
|
| -{
|
| - ASSERT(rareData());
|
| - ASSERT(rareData()->nodeLists());
|
| - if (list->hasOwnCaches()) {
|
| - NodeRareData* data = rareData();
|
| - data->nodeLists()->m_listsWithCaches.remove(list);
|
| - if (data->nodeLists()->isEmpty()) {
|
| - data->clearNodeLists();
|
| - document()->removeNodeListCache();
|
| - }
|
| - }
|
| -}
|
| -
|
| -void Node::notifyLocalNodeListsAttributeChanged()
|
| -{
|
| - if (!hasRareData())
|
| - return;
|
| - NodeRareData* data = rareData();
|
| - if (!data->nodeLists())
|
| - return;
|
| -
|
| - data->nodeLists()->invalidateCachesThatDependOnAttributes();
|
| -
|
| - if (data->nodeLists()->isEmpty()) {
|
| - data->clearNodeLists();
|
| - document()->removeNodeListCache();
|
| - }
|
| -}
|
| -
|
| -void Node::notifyNodeListsAttributeChanged()
|
| -{
|
| - for (Node *n = this; n; n = n->parentNode())
|
| - n->notifyLocalNodeListsAttributeChanged();
|
| -}
|
| -
|
| -void Node::notifyLocalNodeListsChildrenChanged()
|
| -{
|
| - if (!hasRareData())
|
| - return;
|
| - NodeRareData* data = rareData();
|
| - if (!data->nodeLists())
|
| - return;
|
| -
|
| - data->nodeLists()->invalidateCaches();
|
| -
|
| - NodeListsNodeData::NodeListSet::iterator end = data->nodeLists()->m_listsWithCaches.end();
|
| - for (NodeListsNodeData::NodeListSet::iterator i = data->nodeLists()->m_listsWithCaches.begin(); i != end; ++i)
|
| - (*i)->invalidateCache();
|
| -
|
| - if (data->nodeLists()->isEmpty()) {
|
| - data->clearNodeLists();
|
| - document()->removeNodeListCache();
|
| - }
|
| -}
|
| -
|
| -void Node::notifyNodeListsChildrenChanged()
|
| -{
|
| - for (Node* n = this; n; n = n->parentNode())
|
| - n->notifyLocalNodeListsChildrenChanged();
|
| -}
|
| -
|
| -Node *Node::traverseNextNode(const Node *stayWithin) const
|
| -{
|
| - if (firstChild())
|
| - return firstChild();
|
| - if (this == stayWithin)
|
| - return 0;
|
| - if (nextSibling())
|
| - return nextSibling();
|
| - const Node *n = this;
|
| - while (n && !n->nextSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| - n = n->parentNode();
|
| - if (n)
|
| - return n->nextSibling();
|
| - return 0;
|
| -}
|
| -
|
| -Node *Node::traverseNextSibling(const Node *stayWithin) const
|
| -{
|
| - if (this == stayWithin)
|
| - return 0;
|
| - if (nextSibling())
|
| - return nextSibling();
|
| - const Node *n = this;
|
| - while (n && !n->nextSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| - n = n->parentNode();
|
| - if (n)
|
| - return n->nextSibling();
|
| - return 0;
|
| -}
|
| -
|
| -Node* Node::traverseNextNodePostOrder() const
|
| -{
|
| - Node* next = nextSibling();
|
| - if (!next)
|
| - return parentNode();
|
| - while (Node* firstChild = next->firstChild())
|
| - next = firstChild;
|
| - return next;
|
| -}
|
| -
|
| -Node *Node::traversePreviousNode(const Node *stayWithin) const
|
| -{
|
| - if (this == stayWithin)
|
| - return 0;
|
| - if (previousSibling()) {
|
| - Node *n = previousSibling();
|
| - while (n->lastChild())
|
| - n = n->lastChild();
|
| - return n;
|
| - }
|
| - return parentNode();
|
| -}
|
| -
|
| -Node *Node::traversePreviousNodePostOrder(const Node *stayWithin) const
|
| -{
|
| - if (lastChild())
|
| - return lastChild();
|
| - if (this == stayWithin)
|
| - return 0;
|
| - if (previousSibling())
|
| - return previousSibling();
|
| - const Node *n = this;
|
| - while (n && !n->previousSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| - n = n->parentNode();
|
| - if (n)
|
| - return n->previousSibling();
|
| - return 0;
|
| -}
|
| -
|
| -Node* Node::traversePreviousSiblingPostOrder(const Node* stayWithin) const
|
| -{
|
| - if (this == stayWithin)
|
| - return 0;
|
| - if (previousSibling())
|
| - return previousSibling();
|
| - const Node *n = this;
|
| - while (n && !n->previousSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| - n = n->parentNode();
|
| - if (n)
|
| - return n->previousSibling();
|
| - return 0;
|
| -}
|
| -
|
| -void Node::checkSetPrefix(const AtomicString&, ExceptionCode& ec)
|
| -{
|
| - // Perform error checking as required by spec for setting Node.prefix. Used by
|
| - // Element::setPrefix() and Attr::setPrefix()
|
| -
|
| - // FIXME: Implement support for INVALID_CHARACTER_ERR: Raised if the specified prefix contains an illegal character.
|
| -
|
| - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
|
| - if (isReadOnlyNode()) {
|
| - ec = NO_MODIFICATION_ALLOWED_ERR;
|
| - return;
|
| - }
|
| -
|
| - // FIXME: Implement NAMESPACE_ERR: - Raised if the specified prefix is malformed
|
| - // We have to comment this out, since it's used for attributes and tag names, and we've only
|
| - // switched one over.
|
| - /*
|
| - // - if the namespaceURI of this node is null,
|
| - // - if the specified prefix is "xml" and the namespaceURI of this node is different from
|
| - // "http://www.w3.org/XML/1998/namespace",
|
| - // - if this node is an attribute and the specified prefix is "xmlns" and
|
| - // the namespaceURI of this node is different from "http://www.w3.org/2000/xmlns/",
|
| - // - or if this node is an attribute and the qualifiedName of this node is "xmlns" [Namespaces].
|
| - if ((namespacePart(id()) == noNamespace && id() > ID_LAST_TAG) ||
|
| - (_prefix == "xml" && String(document()->namespaceURI(id())) != "http://www.w3.org/XML/1998/namespace")) {
|
| - ec = NAMESPACE_ERR;
|
| - return;
|
| - }*/
|
| -}
|
| -
|
| -bool Node::canReplaceChild(Node* newChild, Node*)
|
| -{
|
| - if (newChild->nodeType() != DOCUMENT_FRAGMENT_NODE) {
|
| - if (!childTypeAllowed(newChild->nodeType()))
|
| - return false;
|
| - } else {
|
| - for (Node *n = newChild->firstChild(); n; n = n->nextSibling()) {
|
| - if (!childTypeAllowed(n->nodeType()))
|
| - return false;
|
| - }
|
| - }
|
| - return true;
|
| -}
|
| -
|
| -void Node::checkReplaceChild(Node* newChild, Node* oldChild, ExceptionCode& ec)
|
| -{
|
| - // Perform error checking as required by spec for adding a new child. Used by
|
| - // appendChild(), replaceChild() and insertBefore()
|
| -
|
| - // Not mentioned in spec: throw NOT_FOUND_ERR if newChild is null
|
| - if (!newChild) {
|
| - ec = NOT_FOUND_ERR;
|
| - return;
|
| - }
|
| -
|
| - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly
|
| - if (isReadOnlyNode()) {
|
| - ec = NO_MODIFICATION_ALLOWED_ERR;
|
| - return;
|
| - }
|
| -
|
| - bool shouldAdoptChild = false;
|
| -
|
| - // WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that
|
| - // created this node.
|
| - // We assume that if newChild is a DocumentFragment, all children are created from the same document
|
| - // as the fragment itself (otherwise they could not have been added as children)
|
| - if (newChild->document() != document()) {
|
| - // but if the child is not in a document yet then loosen the
|
| - // restriction, so that e.g. creating an element with the Option()
|
| - // constructor and then adding it to a different document works,
|
| - // as it does in Mozilla and Mac IE.
|
| - if (!newChild->inDocument()) {
|
| - shouldAdoptChild = true;
|
| - } else {
|
| - ec = WRONG_DOCUMENT_ERR;
|
| - return;
|
| - }
|
| - }
|
| -
|
| - // HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the
|
| - // newChild node, or if the node to append is one of this node's ancestors.
|
| -
|
| - // check for ancestor/same node
|
| - if (newChild == this || isDescendantOf(newChild)) {
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return;
|
| - }
|
| -
|
| - if (!canReplaceChild(newChild, oldChild)) {
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return;
|
| - }
|
| -
|
| - // change the document pointer of newChild and all of its children to be the new document
|
| - if (shouldAdoptChild)
|
| - for (Node* node = newChild; node; node = node->traverseNextNode(newChild))
|
| - node->setDocument(document());
|
| -}
|
| -
|
| -void Node::checkAddChild(Node *newChild, ExceptionCode& ec)
|
| -{
|
| - // Perform error checking as required by spec for adding a new child. Used by
|
| - // appendChild(), replaceChild() and insertBefore()
|
| -
|
| - // Not mentioned in spec: throw NOT_FOUND_ERR if newChild is null
|
| - if (!newChild) {
|
| - ec = NOT_FOUND_ERR;
|
| - return;
|
| - }
|
| -
|
| - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly
|
| - if (isReadOnlyNode()) {
|
| - ec = NO_MODIFICATION_ALLOWED_ERR;
|
| - return;
|
| - }
|
| -
|
| - bool shouldAdoptChild = false;
|
| -
|
| - // WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that
|
| - // created this node.
|
| - // We assume that if newChild is a DocumentFragment, all children are created from the same document
|
| - // as the fragment itself (otherwise they could not have been added as children)
|
| - if (newChild->document() != document()) {
|
| - // but if the child is not in a document yet then loosen the
|
| - // restriction, so that e.g. creating an element with the Option()
|
| - // constructor and then adding it to a different document works,
|
| - // as it does in Mozilla and Mac IE.
|
| - if (!newChild->inDocument()) {
|
| - shouldAdoptChild = true;
|
| - } else {
|
| - ec = WRONG_DOCUMENT_ERR;
|
| - return;
|
| - }
|
| - }
|
| -
|
| - // HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the
|
| - // newChild node, or if the node to append is one of this node's ancestors.
|
| -
|
| - // check for ancestor/same node
|
| - if (newChild == this || isDescendantOf(newChild)) {
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return;
|
| - }
|
| -
|
| - if (newChild->nodeType() != DOCUMENT_FRAGMENT_NODE) {
|
| - if (!childTypeAllowed(newChild->nodeType())) {
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return;
|
| - }
|
| - }
|
| - else {
|
| - for (Node *n = newChild->firstChild(); n; n = n->nextSibling()) {
|
| - if (!childTypeAllowed(n->nodeType())) {
|
| - ec = HIERARCHY_REQUEST_ERR;
|
| - return;
|
| - }
|
| - }
|
| - }
|
| -
|
| - // change the document pointer of newChild and all of its children to be the new document
|
| - if (shouldAdoptChild)
|
| - for (Node* node = newChild; node; node = node->traverseNextNode(newChild))
|
| - node->setDocument(document());
|
| -}
|
| -
|
| -bool Node::isDescendantOf(const Node *other) const
|
| -{
|
| - // Return true if other is an ancestor of this, otherwise false
|
| - if (!other)
|
| - return false;
|
| - for (const Node *n = parentNode(); n; n = n->parentNode()) {
|
| - if (n == other)
|
| - return true;
|
| - }
|
| - return false;
|
| -}
|
| -
|
| -bool Node::contains(const Node* node) const
|
| -{
|
| - if (!node)
|
| - return false;
|
| - return this == node || node->isDescendantOf(this);
|
| -}
|
| -
|
| -bool Node::childAllowed(Node* newChild)
|
| -{
|
| - return childTypeAllowed(newChild->nodeType());
|
| -}
|
| -
|
| -void Node::attach()
|
| -{
|
| - ASSERT(!attached());
|
| - ASSERT(!renderer() || (renderer()->style() && renderer()->parent()));
|
| -
|
| - // If this node got a renderer it may be the previousRenderer() of sibling text nodes and thus affect the
|
| - // result of Text::rendererIsNeeded() for those nodes.
|
| - if (renderer()) {
|
| - for (Node* next = nextSibling(); next; next = next->nextSibling()) {
|
| - if (next->renderer())
|
| - break;
|
| - if (!next->attached())
|
| - break; // Assume this means none of the following siblings are attached.
|
| - if (next->isTextNode())
|
| - next->createRendererIfNeeded();
|
| - }
|
| - }
|
| -
|
| - m_attached = true;
|
| -}
|
| -
|
| -void Node::willRemove()
|
| -{
|
| -}
|
| -
|
| -void Node::detach()
|
| -{
|
| - m_inDetach = true;
|
| -
|
| - if (renderer())
|
| - renderer()->destroy();
|
| - setRenderer(0);
|
| -
|
| - Document* doc = document();
|
| - if (m_hovered)
|
| - doc->hoveredNodeDetached(this);
|
| - if (m_inActiveChain)
|
| - doc->activeChainNodeDetached(this);
|
| -
|
| - m_active = false;
|
| - m_hovered = false;
|
| - m_inActiveChain = false;
|
| - m_attached = false;
|
| - m_inDetach = false;
|
| -}
|
| -
|
| -Node *Node::previousEditable() const
|
| -{
|
| - Node *node = previousLeafNode();
|
| - while (node) {
|
| - if (node->isContentEditable())
|
| - return node;
|
| - node = node->previousLeafNode();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -Node *Node::nextEditable() const
|
| -{
|
| - Node *node = nextLeafNode();
|
| - while (node) {
|
| - if (node->isContentEditable())
|
| - return node;
|
| - node = node->nextLeafNode();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -RenderObject * Node::previousRenderer()
|
| -{
|
| - for (Node *n = previousSibling(); n; n = n->previousSibling()) {
|
| - if (n->renderer())
|
| - return n->renderer();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -RenderObject * Node::nextRenderer()
|
| -{
|
| - // Avoid an O(n^2) problem with this function by not checking for nextRenderer() when the parent element hasn't even
|
| - // been attached yet.
|
| - if (parent() && !parent()->attached())
|
| - return 0;
|
| -
|
| - for (Node *n = nextSibling(); n; n = n->nextSibling()) {
|
| - if (n->renderer())
|
| - return n->renderer();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -// FIXME: This code is used by editing. Seems like it could move over there and not pollute Node.
|
| -Node *Node::previousNodeConsideringAtomicNodes() const
|
| -{
|
| - if (previousSibling()) {
|
| - Node *n = previousSibling();
|
| - while (!isAtomicNode(n) && n->lastChild())
|
| - n = n->lastChild();
|
| - return n;
|
| - }
|
| - else if (parentNode()) {
|
| - return parentNode();
|
| - }
|
| - else {
|
| - return 0;
|
| - }
|
| -}
|
| -
|
| -Node *Node::nextNodeConsideringAtomicNodes() const
|
| -{
|
| - if (!isAtomicNode(this) && firstChild())
|
| - return firstChild();
|
| - if (nextSibling())
|
| - return nextSibling();
|
| - const Node *n = this;
|
| - while (n && !n->nextSibling())
|
| - n = n->parentNode();
|
| - if (n)
|
| - return n->nextSibling();
|
| - return 0;
|
| -}
|
| -
|
| -Node *Node::previousLeafNode() const
|
| -{
|
| - Node *node = previousNodeConsideringAtomicNodes();
|
| - while (node) {
|
| - if (isAtomicNode(node))
|
| - return node;
|
| - node = node->previousNodeConsideringAtomicNodes();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -Node *Node::nextLeafNode() const
|
| -{
|
| - Node *node = nextNodeConsideringAtomicNodes();
|
| - while (node) {
|
| - if (isAtomicNode(node))
|
| - return node;
|
| - node = node->nextNodeConsideringAtomicNodes();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -void Node::createRendererIfNeeded()
|
| -{
|
| - if (!document()->shouldCreateRenderers())
|
| - return;
|
| -
|
| - ASSERT(!renderer());
|
| -
|
| - Node* parent = parentNode();
|
| - ASSERT(parent);
|
| -
|
| - RenderObject* parentRenderer = parent->renderer();
|
| - if (parentRenderer && parentRenderer->canHaveChildren()
|
| -#if ENABLE(SVG)
|
| - && parent->childShouldCreateRenderer(this)
|
| -#endif
|
| - ) {
|
| - RefPtr<RenderStyle> style = styleForRenderer();
|
| - if (rendererIsNeeded(style.get())) {
|
| - if (RenderObject* r = createRenderer(document()->renderArena(), style.get())) {
|
| - if (!parentRenderer->isChildAllowed(r, style.get()))
|
| - r->destroy();
|
| - else {
|
| - setRenderer(r);
|
| - renderer()->setAnimatableStyle(style.release());
|
| - parentRenderer->addChild(renderer(), nextRenderer());
|
| - }
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -PassRefPtr<RenderStyle> Node::styleForRenderer()
|
| -{
|
| - if (isElementNode())
|
| - return document()->styleSelector()->styleForElement(static_cast<Element*>(this));
|
| - return parentNode() && parentNode()->renderer() ? parentNode()->renderer()->style() : 0;
|
| -}
|
| -
|
| -bool Node::rendererIsNeeded(RenderStyle *style)
|
| -{
|
| - return (document()->documentElement() == this) || (style->display() != NONE);
|
| -}
|
| -
|
| -RenderObject* Node::createRenderer(RenderArena*, RenderStyle*)
|
| -{
|
| - ASSERT(false);
|
| - return 0;
|
| -}
|
| -
|
| -RenderStyle* Node::nonRendererRenderStyle() const
|
| -{
|
| - return 0;
|
| -}
|
| -
|
| -void Node::setRenderStyle(PassRefPtr<RenderStyle> s)
|
| -{
|
| - if (m_renderer)
|
| - m_renderer->setAnimatableStyle(s);
|
| -}
|
| -
|
| -RenderStyle* Node::computedStyle()
|
| -{
|
| - return parent() ? parent()->computedStyle() : 0;
|
| -}
|
| -
|
| -int Node::maxCharacterOffset() const
|
| -{
|
| - ASSERT_NOT_REACHED();
|
| - return 0;
|
| -}
|
| -
|
| -// FIXME: Shouldn't these functions be in the editing code? Code that asks questions about HTML in the core DOM class
|
| -// is obviously misplaced.
|
| -bool Node::canStartSelection() const
|
| -{
|
| - if (isContentEditable())
|
| - return true;
|
| - return parent() ? parent()->canStartSelection() : true;
|
| -}
|
| -
|
| -Node* Node::shadowAncestorNode()
|
| -{
|
| -#if ENABLE(SVG)
|
| - // SVG elements living in a shadow tree only occour when <use> created them.
|
| - // For these cases we do NOT want to return the shadowParentNode() here
|
| - // but the actual shadow tree element - as main difference to the HTML forms
|
| - // shadow tree concept. (This function _could_ be made virtual - opinions?)
|
| - if (isSVGElement())
|
| - return this;
|
| -#endif
|
| -
|
| - Node* root = shadowTreeRootNode();
|
| - if (root)
|
| - return root->shadowParentNode();
|
| - return this;
|
| -}
|
| -
|
| -Node* Node::shadowTreeRootNode()
|
| -{
|
| - Node* root = this;
|
| - while (root) {
|
| - if (root->isShadowNode())
|
| - return root;
|
| - root = root->parentNode();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -bool Node::isInShadowTree()
|
| -{
|
| - for (Node* n = this; n; n = n->parentNode())
|
| - if (n->isShadowNode())
|
| - return true;
|
| - return false;
|
| -}
|
| -
|
| -bool Node::isBlockFlow() const
|
| -{
|
| - return renderer() && renderer()->isBlockFlow();
|
| -}
|
| -
|
| -bool Node::isBlockFlowOrBlockTable() const
|
| -{
|
| - return renderer() && (renderer()->isBlockFlow() || renderer()->isTable() && !renderer()->isInline());
|
| -}
|
| -
|
| -bool Node::isEditableBlock() const
|
| -{
|
| - return isContentEditable() && isBlockFlow();
|
| -}
|
| -
|
| -Element *Node::enclosingBlockFlowElement() const
|
| -{
|
| - Node *n = const_cast<Node *>(this);
|
| - if (isBlockFlow())
|
| - return static_cast<Element *>(n);
|
| -
|
| - while (1) {
|
| - n = n->parentNode();
|
| - if (!n)
|
| - break;
|
| - if (n->isBlockFlow() || n->hasTagName(bodyTag))
|
| - return static_cast<Element *>(n);
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -Element *Node::enclosingInlineElement() const
|
| -{
|
| - Node *n = const_cast<Node *>(this);
|
| - Node *p;
|
| -
|
| - while (1) {
|
| - p = n->parentNode();
|
| - if (!p || p->isBlockFlow() || p->hasTagName(bodyTag))
|
| - return static_cast<Element *>(n);
|
| - // Also stop if any previous sibling is a block
|
| - for (Node *sibling = n->previousSibling(); sibling; sibling = sibling->previousSibling()) {
|
| - if (sibling->isBlockFlow())
|
| - return static_cast<Element *>(n);
|
| - }
|
| - n = p;
|
| - }
|
| - ASSERT_NOT_REACHED();
|
| - return 0;
|
| -}
|
| -
|
| -Element* Node::rootEditableElement() const
|
| -{
|
| - Element* result = 0;
|
| - for (Node* n = const_cast<Node*>(this); n && n->isContentEditable(); n = n->parentNode()) {
|
| - if (n->isElementNode())
|
| - result = static_cast<Element*>(n);
|
| - if (n->hasTagName(bodyTag))
|
| - break;
|
| - }
|
| - return result;
|
| -}
|
| -
|
| -bool Node::inSameContainingBlockFlowElement(Node *n)
|
| -{
|
| - return n ? enclosingBlockFlowElement() == n->enclosingBlockFlowElement() : false;
|
| -}
|
| -
|
| -// FIXME: End of obviously misplaced HTML editing functions. Try to move these out of Node.
|
| -
|
| -PassRefPtr<NodeList> Node::getElementsByTagName(const String& name)
|
| -{
|
| - return getElementsByTagNameNS(starAtom, name);
|
| -}
|
| -
|
| -PassRefPtr<NodeList> Node::getElementsByTagNameNS(const AtomicString& namespaceURI, const String& localName)
|
| -{
|
| - if (localName.isNull())
|
| - return 0;
|
| -
|
| - NodeRareData* data = ensureRareData();
|
| - if (!data->nodeLists()) {
|
| - data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| - document()->addNodeListCache();
|
| - }
|
| -
|
| - String name = localName;
|
| - if (document()->isHTMLDocument())
|
| - name = localName.lower();
|
| -
|
| - AtomicString localNameAtom = name;
|
| -
|
| - pair<NodeListsNodeData::TagCacheMap::iterator, bool> result = data->nodeLists()->m_tagNodeListCaches.add(QualifiedName(nullAtom, localNameAtom, namespaceURI), 0);
|
| - if (result.second)
|
| - result.first->second = new DynamicNodeList::Caches;
|
| -
|
| - return TagNodeList::create(this, namespaceURI.isEmpty() ? nullAtom : namespaceURI, localNameAtom, result.first->second);
|
| -}
|
| -
|
| -PassRefPtr<NodeList> Node::getElementsByName(const String& elementName)
|
| -{
|
| - NodeRareData* data = ensureRareData();
|
| - if (!data->nodeLists()) {
|
| - data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| - document()->addNodeListCache();
|
| - }
|
| -
|
| - pair<NodeListsNodeData::CacheMap::iterator, bool> result = data->nodeLists()->m_nameNodeListCaches.add(elementName, 0);
|
| - if (result.second)
|
| - result.first->second = new DynamicNodeList::Caches;
|
| -
|
| - return NameNodeList::create(this, elementName, result.first->second);
|
| -}
|
| -
|
| -PassRefPtr<NodeList> Node::getElementsByClassName(const String& classNames)
|
| -{
|
| - NodeRareData* data = ensureRareData();
|
| - if (!data->nodeLists()) {
|
| - data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| - document()->addNodeListCache();
|
| - }
|
| -
|
| - pair<NodeListsNodeData::CacheMap::iterator, bool> result = data->nodeLists()->m_classNodeListCaches.add(classNames, 0);
|
| - if (result.second)
|
| - result.first->second = new DynamicNodeList::Caches;
|
| -
|
| - return ClassNodeList::create(this, classNames, result.first->second);
|
| -}
|
| -
|
| -template <typename Functor>
|
| -static bool forEachTagSelector(Functor& functor, CSSSelector* selector)
|
| -{
|
| - ASSERT(selector);
|
| -
|
| - do {
|
| - if (functor(selector))
|
| - return true;
|
| - if (CSSSelector* simpleSelector = selector->simpleSelector()) {
|
| - if (forEachTagSelector(functor, simpleSelector))
|
| - return true;
|
| - }
|
| - } while ((selector = selector->tagHistory()));
|
| -
|
| - return false;
|
| -}
|
| -
|
| -template <typename Functor>
|
| -static bool forEachSelector(Functor& functor, const CSSSelectorList& selectorList)
|
| -{
|
| - for (CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
|
| - if (forEachTagSelector(functor, selector))
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -class SelectorNeedsNamespaceResolutionFunctor {
|
| -public:
|
| - bool operator()(CSSSelector* selector)
|
| - {
|
| - if (selector->hasTag() && selector->m_tag.prefix() != nullAtom && selector->m_tag.prefix() != starAtom)
|
| - return true;
|
| - if (selector->hasAttribute() && selector->attribute().prefix() != nullAtom && selector->attribute().prefix() != starAtom)
|
| - return true;
|
| - return false;
|
| - }
|
| -};
|
| -
|
| -static bool selectorNeedsNamespaceResolution(const CSSSelectorList& selectorList)
|
| -{
|
| - SelectorNeedsNamespaceResolutionFunctor functor;
|
| - return forEachSelector(functor, selectorList);
|
| -}
|
| -
|
| -PassRefPtr<Element> Node::querySelector(const String& selectors, ExceptionCode& ec)
|
| -{
|
| - if (selectors.isEmpty()) {
|
| - ec = SYNTAX_ERR;
|
| - return 0;
|
| - }
|
| - bool strictParsing = !document()->inCompatMode();
|
| - CSSParser p(strictParsing);
|
| -
|
| - CSSSelectorList querySelectorList;
|
| - p.parseSelector(selectors, document(), querySelectorList);
|
| -
|
| - if (!querySelectorList.first()) {
|
| - ec = SYNTAX_ERR;
|
| - return 0;
|
| - }
|
| -
|
| - // throw a NAMESPACE_ERR if the selector includes any namespace prefixes.
|
| - if (selectorNeedsNamespaceResolution(querySelectorList)) {
|
| - ec = NAMESPACE_ERR;
|
| - return 0;
|
| - }
|
| -
|
| - CSSStyleSelector::SelectorChecker selectorChecker(document(), strictParsing);
|
| -
|
| - // FIXME: we could also optimize for the the [id="foo"] case
|
| - if (strictParsing && inDocument() && querySelectorList.hasOneSelector() && querySelectorList.first()->m_match == CSSSelector::Id) {
|
| - ASSERT(querySelectorList.first()->attribute() == idAttr);
|
| - Element* element = document()->getElementById(querySelectorList.first()->m_value);
|
| - if (element && (isDocumentNode() || element->isDescendantOf(this)) && selectorChecker.checkSelector(querySelectorList.first(), element))
|
| - return element;
|
| - return 0;
|
| - }
|
| -
|
| - // FIXME: We can speed this up by implementing caching similar to the one use by getElementById
|
| - for (Node* n = firstChild(); n; n = n->traverseNextNode(this)) {
|
| - if (n->isElementNode()) {
|
| - Element* element = static_cast<Element*>(n);
|
| - for (CSSSelector* selector = querySelectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
|
| - if (selectorChecker.checkSelector(selector, element))
|
| - return element;
|
| - }
|
| - }
|
| - }
|
| -
|
| - return 0;
|
| -}
|
| -
|
| -PassRefPtr<NodeList> Node::querySelectorAll(const String& selectors, ExceptionCode& ec)
|
| -{
|
| - if (selectors.isEmpty()) {
|
| - ec = SYNTAX_ERR;
|
| - return 0;
|
| - }
|
| - bool strictParsing = !document()->inCompatMode();
|
| - CSSParser p(strictParsing);
|
| -
|
| - CSSSelectorList querySelectorList;
|
| - p.parseSelector(selectors, document(), querySelectorList);
|
| -
|
| - if (!querySelectorList.first()) {
|
| - ec = SYNTAX_ERR;
|
| - return 0;
|
| - }
|
| -
|
| - // Throw a NAMESPACE_ERR if the selector includes any namespace prefixes.
|
| - if (selectorNeedsNamespaceResolution(querySelectorList)) {
|
| - ec = NAMESPACE_ERR;
|
| - return 0;
|
| - }
|
| -
|
| - return createSelectorNodeList(this, querySelectorList);
|
| -}
|
| -
|
| -Document *Node::ownerDocument() const
|
| -{
|
| - Document *doc = document();
|
| - return doc == this ? 0 : doc;
|
| -}
|
| -
|
| -KURL Node::baseURI() const
|
| -{
|
| - return parentNode() ? parentNode()->baseURI() : KURL();
|
| -}
|
| -
|
| -bool Node::isEqualNode(Node *other) const
|
| -{
|
| - if (!other)
|
| - return false;
|
| -
|
| - if (nodeType() != other->nodeType())
|
| - return false;
|
| -
|
| - if (nodeName() != other->nodeName())
|
| - return false;
|
| -
|
| - if (localName() != other->localName())
|
| - return false;
|
| -
|
| - if (namespaceURI() != other->namespaceURI())
|
| - return false;
|
| -
|
| - if (prefix() != other->prefix())
|
| - return false;
|
| -
|
| - if (nodeValue() != other->nodeValue())
|
| - return false;
|
| -
|
| - NamedAttrMap *attrs = attributes();
|
| - NamedAttrMap *otherAttrs = other->attributes();
|
| -
|
| - if (!attrs && otherAttrs)
|
| - return false;
|
| -
|
| - if (attrs && !attrs->mapsEquivalent(otherAttrs))
|
| - return false;
|
| -
|
| - Node *child = firstChild();
|
| - Node *otherChild = other->firstChild();
|
| -
|
| - while (child) {
|
| - if (!child->isEqualNode(otherChild))
|
| - return false;
|
| -
|
| - child = child->nextSibling();
|
| - otherChild = otherChild->nextSibling();
|
| - }
|
| -
|
| - if (otherChild)
|
| - return false;
|
| -
|
| - // FIXME: For DocumentType nodes we should check equality on
|
| - // the entities and notations NamedNodeMaps as well.
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool Node::isDefaultNamespace(const AtomicString &namespaceURI) const
|
| -{
|
| - // Implemented according to
|
| - // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#isDefaultNamespaceAlgo
|
| -
|
| - switch (nodeType()) {
|
| - case ELEMENT_NODE: {
|
| - const Element *elem = static_cast<const Element *>(this);
|
| -
|
| - if (elem->prefix().isNull())
|
| - return elem->namespaceURI() == namespaceURI;
|
| -
|
| - if (elem->hasAttributes()) {
|
| - NamedAttrMap *attrs = elem->attributes();
|
| -
|
| - for (unsigned i = 0; i < attrs->length(); i++) {
|
| - Attribute *attr = attrs->attributeItem(i);
|
| -
|
| - if (attr->localName() == "xmlns")
|
| - return attr->value() == namespaceURI;
|
| - }
|
| - }
|
| -
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->isDefaultNamespace(namespaceURI);
|
| -
|
| - return false;
|
| - }
|
| - case DOCUMENT_NODE:
|
| - if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| - return de->isDefaultNamespace(namespaceURI);
|
| - return false;
|
| - case ENTITY_NODE:
|
| - case NOTATION_NODE:
|
| - case DOCUMENT_TYPE_NODE:
|
| - case DOCUMENT_FRAGMENT_NODE:
|
| - return false;
|
| - case ATTRIBUTE_NODE: {
|
| - const Attr *attr = static_cast<const Attr *>(this);
|
| - if (attr->ownerElement())
|
| - return attr->ownerElement()->isDefaultNamespace(namespaceURI);
|
| - return false;
|
| - }
|
| - default:
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->isDefaultNamespace(namespaceURI);
|
| - return false;
|
| - }
|
| -}
|
| -
|
| -String Node::lookupPrefix(const AtomicString &namespaceURI) const
|
| -{
|
| - // Implemented according to
|
| - // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#lookupNamespacePrefixAlgo
|
| -
|
| - if (namespaceURI.isEmpty())
|
| - return String();
|
| -
|
| - switch (nodeType()) {
|
| - case ELEMENT_NODE:
|
| - return lookupNamespacePrefix(namespaceURI, static_cast<const Element *>(this));
|
| - case DOCUMENT_NODE:
|
| - if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| - return de->lookupPrefix(namespaceURI);
|
| - return String();
|
| - case ENTITY_NODE:
|
| - case NOTATION_NODE:
|
| - case DOCUMENT_FRAGMENT_NODE:
|
| - case DOCUMENT_TYPE_NODE:
|
| - return String();
|
| - case ATTRIBUTE_NODE: {
|
| - const Attr *attr = static_cast<const Attr *>(this);
|
| - if (attr->ownerElement())
|
| - return attr->ownerElement()->lookupPrefix(namespaceURI);
|
| - return String();
|
| - }
|
| - default:
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->lookupPrefix(namespaceURI);
|
| - return String();
|
| - }
|
| -}
|
| -
|
| -String Node::lookupNamespaceURI(const String &prefix) const
|
| -{
|
| - // Implemented according to
|
| - // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#lookupNamespaceURIAlgo
|
| -
|
| - if (!prefix.isNull() && prefix.isEmpty())
|
| - return String();
|
| -
|
| - switch (nodeType()) {
|
| - case ELEMENT_NODE: {
|
| - const Element *elem = static_cast<const Element *>(this);
|
| -
|
| - if (!elem->namespaceURI().isNull() && elem->prefix() == prefix)
|
| - return elem->namespaceURI();
|
| -
|
| - if (elem->hasAttributes()) {
|
| - NamedAttrMap *attrs = elem->attributes();
|
| -
|
| - for (unsigned i = 0; i < attrs->length(); i++) {
|
| - Attribute *attr = attrs->attributeItem(i);
|
| -
|
| - if (attr->prefix() == "xmlns" && attr->localName() == prefix) {
|
| - if (!attr->value().isEmpty())
|
| - return attr->value();
|
| -
|
| - return String();
|
| - } else if (attr->localName() == "xmlns" && prefix.isNull()) {
|
| - if (!attr->value().isEmpty())
|
| - return attr->value();
|
| -
|
| - return String();
|
| - }
|
| - }
|
| - }
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->lookupNamespaceURI(prefix);
|
| - return String();
|
| - }
|
| - case DOCUMENT_NODE:
|
| - if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| - return de->lookupNamespaceURI(prefix);
|
| - return String();
|
| - case ENTITY_NODE:
|
| - case NOTATION_NODE:
|
| - case DOCUMENT_TYPE_NODE:
|
| - case DOCUMENT_FRAGMENT_NODE:
|
| - return String();
|
| - case ATTRIBUTE_NODE: {
|
| - const Attr *attr = static_cast<const Attr *>(this);
|
| -
|
| - if (attr->ownerElement())
|
| - return attr->ownerElement()->lookupNamespaceURI(prefix);
|
| - else
|
| - return String();
|
| - }
|
| - default:
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->lookupNamespaceURI(prefix);
|
| - return String();
|
| - }
|
| -}
|
| -
|
| -String Node::lookupNamespacePrefix(const AtomicString &_namespaceURI, const Element *originalElement) const
|
| -{
|
| - if (_namespaceURI.isNull())
|
| - return String();
|
| -
|
| - if (originalElement->lookupNamespaceURI(prefix()) == _namespaceURI)
|
| - return prefix();
|
| -
|
| - if (hasAttributes()) {
|
| - NamedAttrMap *attrs = attributes();
|
| -
|
| - for (unsigned i = 0; i < attrs->length(); i++) {
|
| - Attribute *attr = attrs->attributeItem(i);
|
| -
|
| - if (attr->prefix() == "xmlns" &&
|
| - attr->value() == _namespaceURI &&
|
| - originalElement->lookupNamespaceURI(attr->localName()) == _namespaceURI)
|
| - return attr->localName();
|
| - }
|
| - }
|
| -
|
| - if (Element* ancestor = ancestorElement())
|
| - return ancestor->lookupNamespacePrefix(_namespaceURI, originalElement);
|
| - return String();
|
| -}
|
| -
|
| -void Node::appendTextContent(bool convertBRsToNewlines, StringBuilder& content) const
|
| -{
|
| - switch (nodeType()) {
|
| - case TEXT_NODE:
|
| - case CDATA_SECTION_NODE:
|
| - case COMMENT_NODE:
|
| - content.append(static_cast<const CharacterData*>(this)->CharacterData::nodeValue());
|
| - break;
|
| -
|
| - case PROCESSING_INSTRUCTION_NODE:
|
| - content.append(static_cast<const ProcessingInstruction*>(this)->ProcessingInstruction::nodeValue());
|
| - break;
|
| -
|
| - case ELEMENT_NODE:
|
| - if (hasTagName(brTag) && convertBRsToNewlines) {
|
| - content.append('\n');
|
| - break;
|
| - }
|
| - // Fall through.
|
| - case ATTRIBUTE_NODE:
|
| - case ENTITY_NODE:
|
| - case ENTITY_REFERENCE_NODE:
|
| - case DOCUMENT_FRAGMENT_NODE:
|
| - content.setNonNull();
|
| -
|
| - for (Node *child = firstChild(); child; child = child->nextSibling()) {
|
| - if (child->nodeType() == COMMENT_NODE || child->nodeType() == PROCESSING_INSTRUCTION_NODE)
|
| - continue;
|
| -
|
| - child->appendTextContent(convertBRsToNewlines, content);
|
| - }
|
| - break;
|
| -
|
| - case DOCUMENT_NODE:
|
| - case DOCUMENT_TYPE_NODE:
|
| - case NOTATION_NODE:
|
| - case XPATH_NAMESPACE_NODE:
|
| - break;
|
| - }
|
| -}
|
| -
|
| -String Node::textContent(bool convertBRsToNewlines) const
|
| -{
|
| - StringBuilder content;
|
| - appendTextContent(convertBRsToNewlines, content);
|
| - return content.toString();
|
| -}
|
| -
|
| -void Node::setTextContent(const String &text, ExceptionCode& ec)
|
| -{
|
| - switch (nodeType()) {
|
| - case TEXT_NODE:
|
| - case CDATA_SECTION_NODE:
|
| - case COMMENT_NODE:
|
| - case PROCESSING_INSTRUCTION_NODE:
|
| - setNodeValue(text, ec);
|
| - break;
|
| - case ELEMENT_NODE:
|
| - case ATTRIBUTE_NODE:
|
| - case ENTITY_NODE:
|
| - case ENTITY_REFERENCE_NODE:
|
| - case DOCUMENT_FRAGMENT_NODE: {
|
| - ContainerNode *container = static_cast<ContainerNode *>(this);
|
| -
|
| - container->removeChildren();
|
| -
|
| - if (!text.isEmpty())
|
| - appendChild(document()->createTextNode(text), ec);
|
| - break;
|
| - }
|
| - case DOCUMENT_NODE:
|
| - case DOCUMENT_TYPE_NODE:
|
| - case NOTATION_NODE:
|
| - default:
|
| - // Do nothing
|
| - break;
|
| - }
|
| -}
|
| -
|
| -Element* Node::ancestorElement() const
|
| -{
|
| - // In theory, there can be EntityReference nodes between elements, but this is currently not supported.
|
| - for (Node* n = parentNode(); n; n = n->parentNode()) {
|
| - if (n->isElementNode())
|
| - return static_cast<Element*>(n);
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -bool Node::offsetInCharacters() const
|
| -{
|
| - return false;
|
| -}
|
| -
|
| -unsigned short Node::compareDocumentPosition(Node* otherNode)
|
| -{
|
| - // It is not clear what should be done if |otherNode| is 0.
|
| - if (!otherNode)
|
| - return DOCUMENT_POSITION_DISCONNECTED;
|
| -
|
| - if (otherNode == this)
|
| - return DOCUMENT_POSITION_EQUIVALENT;
|
| -
|
| - Attr* attr1 = nodeType() == ATTRIBUTE_NODE ? static_cast<Attr*>(this) : 0;
|
| - Attr* attr2 = otherNode->nodeType() == ATTRIBUTE_NODE ? static_cast<Attr*>(otherNode) : 0;
|
| -
|
| - Node* start1 = attr1 ? attr1->ownerElement() : this;
|
| - Node* start2 = attr2 ? attr2->ownerElement() : otherNode;
|
| -
|
| - // If either of start1 or start2 is null, then we are disconnected, since one of the nodes is
|
| - // an orphaned attribute node.
|
| - if (!start1 || !start2)
|
| - return DOCUMENT_POSITION_DISCONNECTED | DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC;
|
| -
|
| - Vector<Node*, 16> chain1;
|
| - Vector<Node*, 16> chain2;
|
| - if (attr1)
|
| - chain1.append(attr1);
|
| - if (attr2)
|
| - chain2.append(attr2);
|
| -
|
| - if (attr1 && attr2 && start1 == start2 && start1) {
|
| - // We are comparing two attributes on the same node. Crawl our attribute map
|
| - // and see which one we hit first.
|
| - NamedAttrMap* map = attr1->ownerElement()->attributes(true);
|
| - unsigned length = map->length();
|
| - for (unsigned i = 0; i < length; ++i) {
|
| - // If neither of the two determining nodes is a child node and nodeType is the same for both determining nodes, then an
|
| - // implementation-dependent order between the determining nodes is returned. This order is stable as long as no nodes of
|
| - // the same nodeType are inserted into or removed from the direct container. This would be the case, for example,
|
| - // when comparing two attributes of the same element, and inserting or removing additional attributes might change
|
| - // the order between existing attributes.
|
| - Attribute* attr = map->attributeItem(i);
|
| - if (attr1->attr() == attr)
|
| - return DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC | DOCUMENT_POSITION_FOLLOWING;
|
| - if (attr2->attr() == attr)
|
| - return DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC | DOCUMENT_POSITION_PRECEDING;
|
| - }
|
| -
|
| - ASSERT_NOT_REACHED();
|
| - return DOCUMENT_POSITION_DISCONNECTED;
|
| - }
|
| -
|
| - // If one node is in the document and the other is not, we must be disconnected.
|
| - // If the nodes have different owning documents, they must be disconnected. Note that we avoid
|
| - // comparing Attr nodes here, since they return false from inDocument() all the time (which seems like a bug).
|
| - if (start1->inDocument() != start2->inDocument() ||
|
| - start1->document() != start2->document())
|
| - return DOCUMENT_POSITION_DISCONNECTED | DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC;
|
| -
|
| - // We need to find a common ancestor container, and then compare the indices of the two immediate children.
|
| - Node* current;
|
| - for (current = start1; current; current = current->parentNode())
|
| - chain1.append(current);
|
| - for (current = start2; current; current = current->parentNode())
|
| - chain2.append(current);
|
| -
|
| - // Walk the two chains backwards and look for the first difference.
|
| - unsigned index1 = chain1.size();
|
| - unsigned index2 = chain2.size();
|
| - for (unsigned i = min(index1, index2); i; --i) {
|
| - Node* child1 = chain1[--index1];
|
| - Node* child2 = chain2[--index2];
|
| - if (child1 != child2) {
|
| - // If one of the children is an attribute, it wins.
|
| - if (child1->nodeType() == ATTRIBUTE_NODE)
|
| - return DOCUMENT_POSITION_FOLLOWING;
|
| - if (child2->nodeType() == ATTRIBUTE_NODE)
|
| - return DOCUMENT_POSITION_PRECEDING;
|
| -
|
| - if (!child2->nextSibling())
|
| - return DOCUMENT_POSITION_FOLLOWING;
|
| - if (!child1->nextSibling())
|
| - return DOCUMENT_POSITION_PRECEDING;
|
| -
|
| - // Otherwise we need to see which node occurs first. Crawl backwards from child2 looking for child1.
|
| - for (Node* child = child2->previousSibling(); child; child = child->previousSibling()) {
|
| - if (child == child1)
|
| - return DOCUMENT_POSITION_FOLLOWING;
|
| - }
|
| - return DOCUMENT_POSITION_PRECEDING;
|
| - }
|
| - }
|
| -
|
| - // There was no difference between the two parent chains, i.e., one was a subset of the other. The shorter
|
| - // chain is the ancestor.
|
| - return index1 < index2 ?
|
| - DOCUMENT_POSITION_FOLLOWING | DOCUMENT_POSITION_CONTAINED_BY :
|
| - DOCUMENT_POSITION_PRECEDING | DOCUMENT_POSITION_CONTAINS;
|
| -}
|
| -
|
| -#ifndef NDEBUG
|
| -
|
| -static void appendAttributeDesc(const Node* node, String& string, const QualifiedName& name, const char* attrDesc)
|
| -{
|
| - if (node->isElementNode()) {
|
| - String attr = static_cast<const Element*>(node)->getAttribute(name);
|
| - if (!attr.isEmpty()) {
|
| - string += attrDesc;
|
| - string += attr;
|
| - }
|
| - }
|
| -}
|
| -
|
| -void Node::showNode(const char* prefix) const
|
| -{
|
| - if (!prefix)
|
| - prefix = "";
|
| - if (isTextNode()) {
|
| - String value = nodeValue();
|
| - value.replace('\\', "\\\\");
|
| - value.replace('\n', "\\n");
|
| - fprintf(stderr, "%s%s\t%p \"%s\"\n", prefix, nodeName().utf8().data(), this, value.utf8().data());
|
| - } else {
|
| - String attrs = "";
|
| - appendAttributeDesc(this, attrs, classAttr, " CLASS=");
|
| - appendAttributeDesc(this, attrs, styleAttr, " STYLE=");
|
| - fprintf(stderr, "%s%s\t%p%s\n", prefix, nodeName().utf8().data(), this, attrs.utf8().data());
|
| - }
|
| -}
|
| -
|
| -void Node::showTreeForThis() const
|
| -{
|
| - showTreeAndMark(this, "*");
|
| -}
|
| -
|
| -void Node::showTreeAndMark(const Node* markedNode1, const char* markedLabel1, const Node* markedNode2, const char * markedLabel2) const
|
| -{
|
| - const Node* rootNode;
|
| - const Node* node = this;
|
| - while (node->parentNode() && !node->hasTagName(bodyTag))
|
| - node = node->parentNode();
|
| - rootNode = node;
|
| -
|
| - for (node = rootNode; node; node = node->traverseNextNode()) {
|
| - if (node == markedNode1)
|
| - fprintf(stderr, "%s", markedLabel1);
|
| - if (node == markedNode2)
|
| - fprintf(stderr, "%s", markedLabel2);
|
| -
|
| - for (const Node* tmpNode = node; tmpNode && tmpNode != rootNode; tmpNode = tmpNode->parentNode())
|
| - fprintf(stderr, "\t");
|
| - node->showNode();
|
| - }
|
| -}
|
| -
|
| -void Node::formatForDebugger(char* buffer, unsigned length) const
|
| -{
|
| - String result;
|
| - String s;
|
| -
|
| - s = nodeName();
|
| - if (s.length() == 0)
|
| - result += "<none>";
|
| - else
|
| - result += s;
|
| -
|
| - strncpy(buffer, result.utf8().data(), length - 1);
|
| -}
|
| -
|
| -#endif
|
| -
|
| -// --------
|
| -
|
| -void NodeListsNodeData::invalidateCaches()
|
| -{
|
| - m_childNodeListCaches.reset();
|
| - TagCacheMap::const_iterator tagCachesEnd = m_tagNodeListCaches.end();
|
| - for (TagCacheMap::const_iterator it = m_tagNodeListCaches.begin(); it != tagCachesEnd; ++it)
|
| - it->second->reset();
|
| - invalidateCachesThatDependOnAttributes();
|
| -}
|
| -
|
| -void NodeListsNodeData::invalidateCachesThatDependOnAttributes()
|
| -{
|
| - CacheMap::iterator classCachesEnd = m_classNodeListCaches.end();
|
| - for (CacheMap::iterator it = m_classNodeListCaches.begin(); it != classCachesEnd; ++it)
|
| - it->second->reset();
|
| -
|
| - CacheMap::iterator nameCachesEnd = m_nameNodeListCaches.end();
|
| - for (CacheMap::iterator it = m_nameNodeListCaches.begin(); it != nameCachesEnd; ++it)
|
| - it->second->reset();
|
| -}
|
| -
|
| -bool NodeListsNodeData::isEmpty() const
|
| -{
|
| - if (!m_listsWithCaches.isEmpty())
|
| - return false;
|
| -
|
| - if (m_childNodeListCaches.refCount)
|
| - return false;
|
| -
|
| - TagCacheMap::const_iterator tagCachesEnd = m_tagNodeListCaches.end();
|
| - for (TagCacheMap::const_iterator it = m_tagNodeListCaches.begin(); it != tagCachesEnd; ++it) {
|
| - if (it->second->refCount)
|
| - return false;
|
| - }
|
| -
|
| - CacheMap::const_iterator classCachesEnd = m_classNodeListCaches.end();
|
| - for (CacheMap::const_iterator it = m_classNodeListCaches.begin(); it != classCachesEnd; ++it) {
|
| - if (it->second->refCount)
|
| - return false;
|
| - }
|
| -
|
| - CacheMap::const_iterator nameCachesEnd = m_nameNodeListCaches.end();
|
| - for (CacheMap::const_iterator it = m_nameNodeListCaches.begin(); it != nameCachesEnd; ++it) {
|
| - if (it->second->refCount)
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -void Node::getSubresourceURLs(ListHashSet<KURL>& urls) const
|
| -{
|
| - addSubresourceAttributeURLs(urls);
|
| -}
|
| -
|
| -ContainerNode* Node::eventParentNode()
|
| -{
|
| - Node* parent = parentNode();
|
| - ASSERT(!parent || parent->isContainerNode());
|
| - return static_cast<ContainerNode*>(parent);
|
| -}
|
| -
|
| -// --------
|
| -
|
| -ScriptExecutionContext* Node::scriptExecutionContext() const
|
| -{
|
| - return document();
|
| -}
|
| -
|
| -const RegisteredEventListenerVector& Node::eventListeners() const
|
| -{
|
| - if (hasRareData()) {
|
| - if (RegisteredEventListenerVector* listeners = rareData()->listeners())
|
| - return *listeners;
|
| - }
|
| - static const RegisteredEventListenerVector* emptyListenersVector = new RegisteredEventListenerVector;
|
| - return *emptyListenersVector;
|
| -}
|
| -
|
| -void Node::insertedIntoDocument()
|
| -{
|
| - if (!eventListeners().isEmpty())
|
| - document()->unregisterDisconnectedNodeWithEventListeners(this);
|
| -
|
| - setInDocument(true);
|
| -}
|
| -
|
| -void Node::removedFromDocument()
|
| -{
|
| - if (!eventListeners().isEmpty())
|
| - document()->registerDisconnectedNodeWithEventListeners(this);
|
| -
|
| - setInDocument(false);
|
| -}
|
| -
|
| -void Node::willMoveToNewOwnerDocument()
|
| -{
|
| - if (!eventListeners().isEmpty())
|
| - document()->unregisterDisconnectedNodeWithEventListeners(this);
|
| -}
|
| -
|
| -void Node::didMoveToNewOwnerDocument()
|
| -{
|
| - if (!eventListeners().isEmpty())
|
| - document()->registerDisconnectedNodeWithEventListeners(this);
|
| -}
|
| -
|
| -static inline void updateSVGElementInstancesAfterEventListenerChange(Node* referenceNode)
|
| -{
|
| - ASSERT(referenceNode);
|
| -
|
| -#if ENABLE(SVG)
|
| - if (!referenceNode->isSVGElement())
|
| - return;
|
| -
|
| - // Elements living inside a <use> shadow tree, never cause any updates!
|
| - if (referenceNode->shadowTreeRootNode())
|
| - return;
|
| -
|
| - // We're possibly (a child of) an element that is referenced by a <use> client
|
| - // If an event listeners changes on a referenced element, update all instances.
|
| - for (Node* node = referenceNode; node; node = node->parentNode()) {
|
| - if (!node->hasID() || !node->isSVGElement())
|
| - continue;
|
| -
|
| - SVGElementInstance::invalidateAllInstancesOfElement(static_cast<SVGElement*>(node));
|
| - break;
|
| - }
|
| -#endif
|
| -}
|
| -
|
| -void Node::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
|
| -{
|
| - Document* document = this->document();
|
| - if (!document->attached())
|
| - return;
|
| -
|
| - document->addListenerTypeIfNeeded(eventType);
|
| -
|
| - RegisteredEventListenerVector& listeners = ensureRareData()->ensureListeners();
|
| -
|
| - // Remove existing identical listener set with identical arguments.
|
| - // The DOM2 spec says that "duplicate instances are discarded" in this case.
|
| - removeEventListener(eventType, listener.get(), useCapture);
|
| -
|
| - // adding the first one
|
| - if (listeners.isEmpty() && !inDocument())
|
| - document->registerDisconnectedNodeWithEventListeners(this);
|
| -
|
| - listeners.append(RegisteredEventListener::create(eventType, listener, useCapture));
|
| - updateSVGElementInstancesAfterEventListenerChange(this);
|
| -}
|
| -
|
| -void Node::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture)
|
| -{
|
| - if (!hasRareData())
|
| - return;
|
| -
|
| - RegisteredEventListenerVector* listeners = rareData()->listeners();
|
| - if (!listeners)
|
| - return;
|
| -
|
| - size_t size = listeners->size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - RegisteredEventListener& r = *listeners->at(i);
|
| - if (r.eventType() == eventType && r.listener() == listener && r.useCapture() == useCapture) {
|
| - r.setRemoved(true);
|
| - listeners->remove(i);
|
| -
|
| - // removed last
|
| - if (listeners->isEmpty() && !inDocument())
|
| - document()->unregisterDisconnectedNodeWithEventListeners(this);
|
| -
|
| - updateSVGElementInstancesAfterEventListenerChange(this);
|
| - return;
|
| - }
|
| - }
|
| -}
|
| -
|
| -void Node::removeAllEventListenersSlowCase()
|
| -{
|
| - ASSERT(hasRareData());
|
| -
|
| - RegisteredEventListenerVector* listeners = rareData()->listeners();
|
| - if (!listeners)
|
| - return;
|
| -
|
| - size_t size = listeners->size();
|
| - for (size_t i = 0; i < size; ++i)
|
| - listeners->at(i)->setRemoved(true);
|
| - listeners->clear();
|
| -}
|
| -
|
| -void Node::handleLocalEvents(Event* event, bool useCapture)
|
| -{
|
| - if (disabled() && event->isMouseEvent())
|
| - return;
|
| -
|
| - RegisteredEventListenerVector listenersCopy = eventListeners();
|
| - size_t size = listenersCopy.size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - const RegisteredEventListener& r = *listenersCopy[i];
|
| - if (r.eventType() == event->type() && r.useCapture() == useCapture && !r.removed())
|
| - r.listener()->handleEvent(event, false);
|
| - }
|
| -}
|
| -
|
| -#if ENABLE(SVG)
|
| -static inline SVGElementInstance* eventTargetAsSVGElementInstance(Node* referenceNode)
|
| -{
|
| - ASSERT(referenceNode);
|
| - if (!referenceNode->isSVGElement())
|
| - return 0;
|
| -
|
| - // Spec: The event handling for the non-exposed tree works as if the referenced element had been textually included
|
| - // as a deeply cloned child of the 'use' element, except that events are dispatched to the SVGElementInstance objects
|
| - for (Node* n = referenceNode; n; n = n->parentNode()) {
|
| - if (!n->isShadowNode() || !n->isSVGElement())
|
| - continue;
|
| -
|
| - Node* shadowTreeParentElement = n->shadowParentNode();
|
| - ASSERT(shadowTreeParentElement->hasTagName(SVGNames::useTag));
|
| -
|
| - if (SVGElementInstance* instance = static_cast<SVGUseElement*>(shadowTreeParentElement)->instanceForShadowTreeElement(referenceNode))
|
| - return instance;
|
| - }
|
| -
|
| - return 0;
|
| -}
|
| -#endif
|
| -
|
| -static inline EventTarget* eventTargetRespectingSVGTargetRules(Node* referenceNode)
|
| -{
|
| - ASSERT(referenceNode);
|
| -
|
| -#if ENABLE(SVG)
|
| - if (SVGElementInstance* instance = eventTargetAsSVGElementInstance(referenceNode)) {
|
| - ASSERT(instance->shadowTreeElement() == referenceNode);
|
| - return instance;
|
| - }
|
| -#endif
|
| -
|
| - return referenceNode;
|
| -}
|
| -
|
| -bool Node::dispatchEvent(PassRefPtr<Event> e, ExceptionCode& ec)
|
| -{
|
| - RefPtr<Event> evt(e);
|
| - ASSERT(!eventDispatchForbidden());
|
| - if (!evt || evt->type().isEmpty()) {
|
| - ec = EventException::UNSPECIFIED_EVENT_TYPE_ERR;
|
| - return false;
|
| - }
|
| -
|
| - evt->setTarget(eventTargetRespectingSVGTargetRules(this));
|
| -
|
| - RefPtr<FrameView> view = document()->view();
|
| - return dispatchGenericEvent(evt.release());
|
| -}
|
| -
|
| -bool Node::dispatchGenericEvent(PassRefPtr<Event> prpEvent)
|
| -{
|
| - RefPtr<Event> event(prpEvent);
|
| -
|
| - ASSERT(!eventDispatchForbidden());
|
| - ASSERT(event->target());
|
| - ASSERT(!event->type().isNull()); // JavaScript code can create an event with an empty name, but not null.
|
| -
|
| - // Make a vector of ancestors to send the event to.
|
| - // If the node is not in a document just send the event to it.
|
| - // Be sure to ref all of nodes since event handlers could result in the last reference going away.
|
| - RefPtr<Node> thisNode(this);
|
| - Vector<RefPtr<ContainerNode> > ancestors;
|
| - if (inDocument()) {
|
| - for (ContainerNode* ancestor = eventParentNode(); ancestor; ancestor = ancestor->eventParentNode()) {
|
| -#if ENABLE(SVG)
|
| - // Skip <use> shadow tree elements.
|
| - if (ancestor->isSVGElement() && ancestor->isShadowNode())
|
| - continue;
|
| -#endif
|
| - ancestors.append(ancestor);
|
| - }
|
| - }
|
| -
|
| - // Set up a pointer to indicate whether to dispatch window events.
|
| - // We don't dispatch load events to the window. That quirk was originally
|
| - // added because Mozilla doesn't propagate load events to the window object.
|
| - Document* documentForWindowEvents = 0;
|
| - if (event->type() != eventNames().loadEvent) {
|
| - Node* topLevelContainer = ancestors.isEmpty() ? this : ancestors.last().get();
|
| - if (topLevelContainer->isDocumentNode())
|
| - documentForWindowEvents = static_cast<Document*>(topLevelContainer);
|
| - }
|
| -
|
| - // Give the target node a chance to do some work before DOM event handlers get a crack.
|
| - void* data = preDispatchEventHandler(event.get());
|
| - if (event->propagationStopped())
|
| - goto doneDispatching;
|
| -
|
| - // Trigger capturing event handlers, starting at the top and working our way down.
|
| - event->setEventPhase(Event::CAPTURING_PHASE);
|
| -
|
| - if (documentForWindowEvents) {
|
| - event->setCurrentTarget(documentForWindowEvents);
|
| - documentForWindowEvents->handleWindowEvent(event.get(), true);
|
| - if (event->propagationStopped())
|
| - goto doneDispatching;
|
| - }
|
| - for (size_t i = ancestors.size(); i; --i) {
|
| - ContainerNode* ancestor = ancestors[i - 1].get();
|
| - event->setCurrentTarget(eventTargetRespectingSVGTargetRules(ancestor));
|
| - ancestor->handleLocalEvents(event.get(), true);
|
| - if (event->propagationStopped())
|
| - goto doneDispatching;
|
| - }
|
| -
|
| - event->setEventPhase(Event::AT_TARGET);
|
| -
|
| - // We do want capturing event listeners to be invoked here, even though
|
| - // that violates some versions of the DOM specification; Mozilla does it.
|
| - event->setCurrentTarget(eventTargetRespectingSVGTargetRules(this));
|
| - handleLocalEvents(event.get(), true);
|
| - if (event->propagationStopped())
|
| - goto doneDispatching;
|
| - handleLocalEvents(event.get(), false);
|
| - if (event->propagationStopped())
|
| - goto doneDispatching;
|
| -
|
| - if (event->bubbles() && !event->cancelBubble()) {
|
| - // Trigger bubbling event handlers, starting at the bottom and working our way up.
|
| - event->setEventPhase(Event::BUBBLING_PHASE);
|
| -
|
| - size_t size = ancestors.size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - ContainerNode* ancestor = ancestors[i].get();
|
| - event->setCurrentTarget(eventTargetRespectingSVGTargetRules(ancestor));
|
| - ancestor->handleLocalEvents(event.get(), false);
|
| - if (event->propagationStopped() || event->cancelBubble())
|
| - goto doneDispatching;
|
| - }
|
| - if (documentForWindowEvents) {
|
| - event->setCurrentTarget(documentForWindowEvents);
|
| - documentForWindowEvents->handleWindowEvent(event.get(), false);
|
| - if (event->propagationStopped() || event->cancelBubble())
|
| - goto doneDispatching;
|
| - }
|
| - }
|
| -
|
| -doneDispatching:
|
| - event->setCurrentTarget(0);
|
| - event->setEventPhase(0);
|
| -
|
| - // Pass the data from the preDispatchEventHandler to the postDispatchEventHandler.
|
| - postDispatchEventHandler(event.get(), data);
|
| -
|
| - // Call default event handlers. While the DOM does have a concept of preventing
|
| - // default handling, the detail of which handlers are called is an internal
|
| - // implementation detail and not part of the DOM.
|
| - if (!event->defaultPrevented() && !event->defaultHandled()) {
|
| - // Non-bubbling events call only one default event handler, the one for the target.
|
| - defaultEventHandler(event.get());
|
| - ASSERT(!event->defaultPrevented());
|
| - if (event->defaultHandled())
|
| - goto doneWithDefault;
|
| - // For bubbling events, call default event handlers on the same targets in the
|
| - // same order as the bubbling phase.
|
| - if (event->bubbles()) {
|
| - size_t size = ancestors.size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - ContainerNode* ancestor = ancestors[i].get();
|
| - ancestor->defaultEventHandler(event.get());
|
| - ASSERT(!event->defaultPrevented());
|
| - if (event->defaultHandled())
|
| - goto doneWithDefault;
|
| - }
|
| - }
|
| - }
|
| -
|
| -doneWithDefault:
|
| - Document::updateDocumentsRendering();
|
| -
|
| - return !event->defaultPrevented();
|
| -}
|
| -
|
| -bool Node::dispatchSubtreeModifiedEvent()
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| -
|
| - document()->incDOMTreeVersion();
|
| -
|
| - notifyNodeListsAttributeChanged(); // FIXME: Can do better some day. Really only care about the name attribute changing.
|
| -
|
| - if (!document()->hasListenerType(Document::DOMSUBTREEMODIFIED_LISTENER))
|
| - return false;
|
| - ExceptionCode ec = 0;
|
| - return dispatchEvent(MutationEvent::create(eventNames().DOMSubtreeModifiedEvent, true, false, 0, String(), String(), String(), 0), ec);
|
| -}
|
| -
|
| -void Node::dispatchWindowEvent(PassRefPtr<Event> e)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - RefPtr<Event> evt(e);
|
| - RefPtr<Document> doc = document();
|
| - evt->setTarget(doc);
|
| - doc->handleWindowEvent(evt.get(), true);
|
| - doc->handleWindowEvent(evt.get(), false);
|
| -}
|
| -
|
| -void Node::dispatchWindowEvent(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - RefPtr<Document> doc = document();
|
| - dispatchWindowEvent(Event::create(eventType, canBubbleArg, cancelableArg));
|
| -
|
| - if (eventType == eventNames().loadEvent) {
|
| - // For onload events, send a separate load event to the enclosing frame only.
|
| - // This is a DOM extension and is independent of bubbling/capturing rules of
|
| - // the DOM.
|
| - Element* ownerElement = doc->ownerElement();
|
| - if (ownerElement) {
|
| - RefPtr<Event> ownerEvent = Event::create(eventType, false, cancelableArg);
|
| - ownerEvent->setTarget(ownerElement);
|
| - ownerElement->dispatchGenericEvent(ownerEvent.release());
|
| - }
|
| - }
|
| -}
|
| -
|
| -bool Node::dispatchUIEvent(const AtomicString& eventType, int detail, PassRefPtr<Event> underlyingEvent)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - ASSERT(eventType == eventNames().DOMFocusInEvent || eventType == eventNames().DOMFocusOutEvent || eventType == eventNames().DOMActivateEvent);
|
| -
|
| - bool cancelable = eventType == eventNames().DOMActivateEvent;
|
| -
|
| - ExceptionCode ec = 0;
|
| - RefPtr<UIEvent> evt = UIEvent::create(eventType, true, cancelable, document()->defaultView(), detail);
|
| - evt->setUnderlyingEvent(underlyingEvent);
|
| - return dispatchEvent(evt.release(), ec);
|
| -}
|
| -
|
| -bool Node::dispatchKeyEvent(const PlatformKeyboardEvent& key)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - ExceptionCode ec = 0;
|
| - RefPtr<KeyboardEvent> keyboardEvent = KeyboardEvent::create(key, document()->defaultView());
|
| - bool r = dispatchEvent(keyboardEvent, ec);
|
| -
|
| - // we want to return false if default is prevented (already taken care of)
|
| - // or if the element is default-handled by the DOM. Otherwise we let it just
|
| - // let it get handled by AppKit
|
| - if (keyboardEvent->defaultHandled())
|
| - r = false;
|
| -
|
| - return r;
|
| -}
|
| -
|
| -bool Node::dispatchMouseEvent(const PlatformMouseEvent& event, const AtomicString& eventType,
|
| - int detail, Node* relatedTarget)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| -
|
| - IntPoint contentsPos;
|
| - if (FrameView* view = document()->view())
|
| - contentsPos = view->windowToContents(event.pos());
|
| -
|
| - short button = event.button();
|
| -
|
| - ASSERT(event.eventType() == MouseEventMoved || button != NoButton);
|
| -
|
| - return dispatchMouseEvent(eventType, button, detail,
|
| - contentsPos.x(), contentsPos.y(), event.globalX(), event.globalY(),
|
| - event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(),
|
| - false, relatedTarget);
|
| -}
|
| -
|
| -void Node::dispatchSimulatedMouseEvent(const AtomicString& eventType,
|
| - PassRefPtr<Event> underlyingEvent)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| -
|
| - bool ctrlKey = false;
|
| - bool altKey = false;
|
| - bool shiftKey = false;
|
| - bool metaKey = false;
|
| - if (UIEventWithKeyState* keyStateEvent = findEventWithKeyState(underlyingEvent.get())) {
|
| - ctrlKey = keyStateEvent->ctrlKey();
|
| - altKey = keyStateEvent->altKey();
|
| - shiftKey = keyStateEvent->shiftKey();
|
| - metaKey = keyStateEvent->metaKey();
|
| - }
|
| -
|
| - // Like Gecko, we just pass 0 for everything when we make a fake mouse event.
|
| - // Internet Explorer instead gives the current mouse position and state.
|
| - dispatchMouseEvent(eventType, 0, 0, 0, 0, 0, 0,
|
| - ctrlKey, altKey, shiftKey, metaKey, true, 0, underlyingEvent);
|
| -}
|
| -
|
| -void Node::dispatchSimulatedClick(PassRefPtr<Event> event, bool sendMouseEvents, bool showPressedLook)
|
| -{
|
| - if (!gNodesDispatchingSimulatedClicks)
|
| - gNodesDispatchingSimulatedClicks = new HashSet<Node*>;
|
| - else if (gNodesDispatchingSimulatedClicks->contains(this))
|
| - return;
|
| -
|
| - gNodesDispatchingSimulatedClicks->add(this);
|
| -
|
| - // send mousedown and mouseup before the click, if requested
|
| - if (sendMouseEvents)
|
| - dispatchSimulatedMouseEvent(eventNames().mousedownEvent, event.get());
|
| - setActive(true, showPressedLook);
|
| - if (sendMouseEvents)
|
| - dispatchSimulatedMouseEvent(eventNames().mouseupEvent, event.get());
|
| - setActive(false);
|
| -
|
| - // always send click
|
| - dispatchSimulatedMouseEvent(eventNames().clickEvent, event);
|
| -
|
| - gNodesDispatchingSimulatedClicks->remove(this);
|
| -}
|
| -
|
| -bool Node::dispatchMouseEvent(const AtomicString& eventType, int button, int detail,
|
| - int pageX, int pageY, int screenX, int screenY,
|
| - bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
|
| - bool isSimulated, Node* relatedTargetArg, PassRefPtr<Event> underlyingEvent)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - if (disabled()) // Don't even send DOM events for disabled controls..
|
| - return true;
|
| -
|
| - if (eventType.isEmpty())
|
| - return false; // Shouldn't happen.
|
| -
|
| - // Dispatching the first event can easily result in this node being destroyed.
|
| - // Since we dispatch up to three events here, we need to make sure we're referenced
|
| - // so the pointer will be good for the two subsequent ones.
|
| - RefPtr<Node> protect(this);
|
| -
|
| - bool cancelable = eventType != eventNames().mousemoveEvent;
|
| -
|
| - ExceptionCode ec = 0;
|
| -
|
| - bool swallowEvent = false;
|
| -
|
| - // Attempting to dispatch with a non-EventTarget relatedTarget causes the relatedTarget to be silently ignored.
|
| - RefPtr<Node> relatedTarget = relatedTargetArg;
|
| -
|
| - if (Frame* frame = document()->frame()) {
|
| - float pageZoom = frame->pageZoomFactor();
|
| - if (pageZoom != 1.0f) {
|
| - // Adjust our pageX and pageY to account for the page zoom.
|
| - pageX = lroundf(pageX / pageZoom);
|
| - pageY = lroundf(pageY / pageZoom);
|
| - }
|
| - }
|
| -
|
| - RefPtr<Event> mouseEvent = MouseEvent::create(eventType,
|
| - true, cancelable, document()->defaultView(),
|
| - detail, screenX, screenY, pageX, pageY,
|
| - ctrlKey, altKey, shiftKey, metaKey, button,
|
| - relatedTarget, 0, isSimulated);
|
| - mouseEvent->setUnderlyingEvent(underlyingEvent.get());
|
| -
|
| - dispatchEvent(mouseEvent, ec);
|
| - bool defaultHandled = mouseEvent->defaultHandled();
|
| - bool defaultPrevented = mouseEvent->defaultPrevented();
|
| - if (defaultHandled || defaultPrevented)
|
| - swallowEvent = true;
|
| -
|
| - // Special case: If it's a double click event, we also send the dblclick event. This is not part
|
| - // of the DOM specs, but is used for compatibility with the ondblclick="" attribute. This is treated
|
| - // as a separate event in other DOM-compliant browsers like Firefox, and so we do the same.
|
| - if (eventType == eventNames().clickEvent && detail == 2) {
|
| - RefPtr<Event> doubleClickEvent = MouseEvent::create(eventNames().dblclickEvent,
|
| - true, cancelable, document()->defaultView(),
|
| - detail, screenX, screenY, pageX, pageY,
|
| - ctrlKey, altKey, shiftKey, metaKey, button,
|
| - relatedTarget, 0, isSimulated);
|
| - doubleClickEvent->setUnderlyingEvent(underlyingEvent.get());
|
| - if (defaultHandled)
|
| - doubleClickEvent->setDefaultHandled();
|
| - dispatchEvent(doubleClickEvent, ec);
|
| - if (doubleClickEvent->defaultHandled() || doubleClickEvent->defaultPrevented())
|
| - swallowEvent = true;
|
| - }
|
| -
|
| - return swallowEvent;
|
| -}
|
| -
|
| -void Node::dispatchWheelEvent(PlatformWheelEvent& e)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - if (e.deltaX() == 0 && e.deltaY() == 0)
|
| - return;
|
| -
|
| - FrameView* view = document()->view();
|
| - if (!view)
|
| - return;
|
| -
|
| - IntPoint pos = view->windowToContents(e.pos());
|
| -
|
| - // Convert the deltas from pixels to lines if we have a pixel scroll event.
|
| - float deltaX = e.deltaX();
|
| - float deltaY = e.deltaY();
|
| -
|
| - // FIXME: Should we do anything with a ScrollByPageWheelEvent here?
|
| - // It will be treated like a line scroll of 1 right now.
|
| - if (e.granularity() == ScrollByPixelWheelEvent) {
|
| - deltaX /= cMouseWheelPixelsPerLineStep;
|
| - deltaY /= cMouseWheelPixelsPerLineStep;
|
| - }
|
| -
|
| - RefPtr<WheelEvent> we = WheelEvent::create(e.deltaX(), e.deltaY(),
|
| - document()->defaultView(), e.globalX(), e.globalY(), pos.x(), pos.y(),
|
| - e.ctrlKey(), e.altKey(), e.shiftKey(), e.metaKey());
|
| - ExceptionCode ec = 0;
|
| - if (!dispatchEvent(we.release(), ec))
|
| - e.accept();
|
| -}
|
| -
|
| -bool Node::dispatchWebKitAnimationEvent(const AtomicString& eventType, const String& animationName, double elapsedTime)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| -
|
| - ExceptionCode ec = 0;
|
| - return dispatchEvent(WebKitAnimationEvent::create(eventType, animationName, elapsedTime), ec);
|
| -}
|
| -
|
| -bool Node::dispatchWebKitTransitionEvent(const AtomicString& eventType, const String& propertyName, double elapsedTime)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| -
|
| - ExceptionCode ec = 0;
|
| - return dispatchEvent(WebKitTransitionEvent::create(eventType, propertyName, elapsedTime), ec);
|
| -}
|
| -
|
| -void Node::dispatchFocusEvent()
|
| -{
|
| - dispatchEventForType(eventNames().focusEvent, false, false);
|
| -}
|
| -
|
| -void Node::dispatchBlurEvent()
|
| -{
|
| - dispatchEventForType(eventNames().blurEvent, false, false);
|
| -}
|
| -
|
| -bool Node::dispatchEventForType(const AtomicString& eventType, bool canBubbleArg, bool cancelableArg)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - ExceptionCode ec = 0;
|
| - return dispatchEvent(Event::create(eventType, canBubbleArg, cancelableArg), ec);
|
| -}
|
| -
|
| -bool Node::dispatchProgressEvent(const AtomicString &eventType, bool lengthComputableArg, unsigned loadedArg, unsigned totalArg)
|
| -{
|
| - ASSERT(!eventDispatchForbidden());
|
| - ExceptionCode ec = 0;
|
| - return dispatchEvent(ProgressEvent::create(eventType, lengthComputableArg, loadedArg, totalArg), ec);
|
| -}
|
| -
|
| -void Node::dispatchStorageEvent(const AtomicString &eventType, const String& key, const String& oldValue, const String& newValue, Frame* source)
|
| -{
|
| -#if ENABLE(DOM_STORAGE)
|
| - ASSERT(!eventDispatchForbidden());
|
| - ExceptionCode ec = 0;
|
| - dispatchEvent(StorageEvent::create(eventType, key, oldValue, newValue, source->document()->documentURI(), source->domWindow()), ec);
|
| -#endif
|
| -}
|
| -
|
| -void Node::removeInlineEventListenerForType(const AtomicString& eventType)
|
| -{
|
| - if (!hasRareData())
|
| - return;
|
| -
|
| - RegisteredEventListenerVector* listeners = rareData()->listeners();
|
| - if (!listeners)
|
| - return;
|
| -
|
| - size_t size = listeners->size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - RegisteredEventListener& r = *listeners->at(i);
|
| - if (r.eventType() != eventType || !r.listener()->isInline())
|
| - continue;
|
| -
|
| - r.setRemoved(true);
|
| - listeners->remove(i);
|
| -
|
| - // removed last
|
| - if (listeners->isEmpty() && !inDocument())
|
| - document()->unregisterDisconnectedNodeWithEventListeners(this);
|
| -
|
| - updateSVGElementInstancesAfterEventListenerChange(this);
|
| - return;
|
| - }
|
| -}
|
| -
|
| -void Node::setInlineEventListenerForType(const AtomicString& eventType, PassRefPtr<EventListener> listener)
|
| -{
|
| - // In case we are the only one holding a reference to it, we don't want removeInlineEventListenerForType to destroy it.
|
| - removeInlineEventListenerForType(eventType);
|
| - if (listener)
|
| - addEventListener(eventType, listener, false);
|
| -}
|
| -
|
| -void Node::setInlineEventListenerForTypeAndAttribute(const AtomicString& eventType, Attribute* attr)
|
| -{
|
| - setInlineEventListenerForType(eventType, document()->createEventListener(attr->localName().string(), attr->value(), this));
|
| -}
|
| -
|
| -EventListener* Node::inlineEventListenerForType(const AtomicString& eventType) const
|
| -{
|
| - const RegisteredEventListenerVector& listeners = eventListeners();
|
| - size_t size = listeners.size();
|
| - for (size_t i = 0; i < size; ++i) {
|
| - const RegisteredEventListener& r = *listeners[i];
|
| - if (r.eventType() == eventType && r.listener()->isInline())
|
| - return r.listener();
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -bool Node::disabled() const
|
| -{
|
| - return false;
|
| -}
|
| -
|
| -void Node::defaultEventHandler(Event* event)
|
| -{
|
| - if (event->target() != this)
|
| - return;
|
| - const AtomicString& eventType = event->type();
|
| - if (eventType == eventNames().keydownEvent || eventType == eventNames().keypressEvent) {
|
| - if (event->isKeyboardEvent())
|
| - if (Frame* frame = document()->frame())
|
| - frame->eventHandler()->defaultKeyboardEventHandler(static_cast<KeyboardEvent*>(event));
|
| - } else if (eventType == eventNames().clickEvent) {
|
| - int detail = event->isUIEvent() ? static_cast<UIEvent*>(event)->detail() : 0;
|
| - dispatchUIEvent(eventNames().DOMActivateEvent, detail, event);
|
| - } else if (eventType == eventNames().contextmenuEvent) {
|
| - if (Frame* frame = document()->frame())
|
| - if (Page* page = frame->page())
|
| - page->contextMenuController()->handleContextMenuEvent(event);
|
| - } else if (eventType == eventNames().textInputEvent) {
|
| - if (event->isTextEvent())
|
| - if (Frame* frame = document()->frame())
|
| - frame->eventHandler()->defaultTextInputEventHandler(static_cast<TextEvent*>(event));
|
| - }
|
| -}
|
| -
|
| -EventListener* Node::onabort() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().abortEvent);
|
| -}
|
| -
|
| -void Node::setOnabort(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().abortEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onblur() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().blurEvent);
|
| -}
|
| -
|
| -void Node::setOnblur(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().blurEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onchange() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().changeEvent);
|
| -}
|
| -
|
| -void Node::setOnchange(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().changeEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onclick() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().clickEvent);
|
| -}
|
| -
|
| -void Node::setOnclick(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().clickEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::oncontextmenu() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().contextmenuEvent);
|
| -}
|
| -
|
| -void Node::setOncontextmenu(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().contextmenuEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondblclick() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dblclickEvent);
|
| -}
|
| -
|
| -void Node::setOndblclick(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dblclickEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onerror() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().errorEvent);
|
| -}
|
| -
|
| -void Node::setOnerror(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().errorEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onfocus() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().focusEvent);
|
| -}
|
| -
|
| -void Node::setOnfocus(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().focusEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::oninput() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().inputEvent);
|
| -}
|
| -
|
| -void Node::setOninput(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().inputEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onkeydown() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().keydownEvent);
|
| -}
|
| -
|
| -void Node::setOnkeydown(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().keydownEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onkeypress() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().keypressEvent);
|
| -}
|
| -
|
| -void Node::setOnkeypress(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().keypressEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onkeyup() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().keyupEvent);
|
| -}
|
| -
|
| -void Node::setOnkeyup(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().keyupEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onload() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().loadEvent);
|
| -}
|
| -
|
| -void Node::setOnload(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().loadEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmousedown() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mousedownEvent);
|
| -}
|
| -
|
| -void Node::setOnmousedown(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mousedownEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmousemove() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mousemoveEvent);
|
| -}
|
| -
|
| -void Node::setOnmousemove(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mousemoveEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmouseout() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mouseoutEvent);
|
| -}
|
| -
|
| -void Node::setOnmouseout(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mouseoutEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmouseover() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mouseoverEvent);
|
| -}
|
| -
|
| -void Node::setOnmouseover(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mouseoverEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmouseup() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mouseupEvent);
|
| -}
|
| -
|
| -void Node::setOnmouseup(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mouseupEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onmousewheel() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().mousewheelEvent);
|
| -}
|
| -
|
| -void Node::setOnmousewheel(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().mousewheelEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onbeforecut() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().beforecutEvent);
|
| -}
|
| -
|
| -void Node::setOnbeforecut(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().beforecutEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::oncut() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().cutEvent);
|
| -}
|
| -
|
| -void Node::setOncut(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().cutEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onbeforecopy() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().beforecopyEvent);
|
| -}
|
| -
|
| -void Node::setOnbeforecopy(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().beforecopyEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::oncopy() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().copyEvent);
|
| -}
|
| -
|
| -void Node::setOncopy(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().copyEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onbeforepaste() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().beforepasteEvent);
|
| -}
|
| -
|
| -void Node::setOnbeforepaste(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().beforepasteEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onpaste() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().pasteEvent);
|
| -}
|
| -
|
| -void Node::setOnpaste(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().pasteEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondragenter() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragenterEvent);
|
| -}
|
| -
|
| -void Node::setOndragenter(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragenterEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondragover() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragoverEvent);
|
| -}
|
| -
|
| -void Node::setOndragover(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragoverEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondragleave() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragleaveEvent);
|
| -}
|
| -
|
| -void Node::setOndragleave(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragleaveEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondrop() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dropEvent);
|
| -}
|
| -
|
| -void Node::setOndrop(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dropEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondragstart() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragstartEvent);
|
| -}
|
| -
|
| -void Node::setOndragstart(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragstartEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondrag() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragEvent);
|
| -}
|
| -
|
| -void Node::setOndrag(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::ondragend() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().dragendEvent);
|
| -}
|
| -
|
| -void Node::setOndragend(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().dragendEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onreset() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().resetEvent);
|
| -}
|
| -
|
| -void Node::setOnreset(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().resetEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onresize() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().resizeEvent);
|
| -}
|
| -
|
| -void Node::setOnresize(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().resizeEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onscroll() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().scrollEvent);
|
| -}
|
| -
|
| -void Node::setOnscroll(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().scrollEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onsearch() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().searchEvent);
|
| -}
|
| -
|
| -void Node::setOnsearch(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().searchEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onselect() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().selectEvent);
|
| -}
|
| -
|
| -void Node::setOnselect(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().selectEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onselectstart() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().selectstartEvent);
|
| -}
|
| -
|
| -void Node::setOnselectstart(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().selectstartEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onsubmit() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().submitEvent);
|
| -}
|
| -
|
| -void Node::setOnsubmit(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().submitEvent, eventListener);
|
| -}
|
| -
|
| -EventListener* Node::onunload() const
|
| -{
|
| - return inlineEventListenerForType(eventNames().unloadEvent);
|
| -}
|
| -
|
| -void Node::setOnunload(PassRefPtr<EventListener> eventListener)
|
| -{
|
| - setInlineEventListenerForType(eventNames().unloadEvent, eventListener);
|
| -}
|
| -
|
| -} // namespace WebCore
|
| -
|
| -#ifndef NDEBUG
|
| -
|
| -void showTree(const WebCore::Node* node)
|
| -{
|
| - if (node)
|
| - node->showTreeForThis();
|
| -}
|
| -
|
| -#endif
|
| -
|
| +/*
|
| + * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
|
| + * (C) 1999 Antti Koivisto (koivisto@kde.org)
|
| + * (C) 2001 Dirk Mueller (mueller@kde.org)
|
| + * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
|
| + * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
|
| + *
|
| + * This library is free software; you can redistribute it and/or
|
| + * modify it under the terms of the GNU Library General Public
|
| + * License as published by the Free Software Foundation; either
|
| + * version 2 of the License, or (at your option) any later version.
|
| + *
|
| + * This library is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| + * Library General Public License for more details.
|
| + *
|
| + * You should have received a copy of the GNU Library General Public License
|
| + * along with this library; see the file COPYING.LIB. If not, write to
|
| + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| + * Boston, MA 02110-1301, USA.
|
| + */
|
| +
|
| +#include "config.h"
|
| +#include "Node.h"
|
| +
|
| +#include "CSSParser.h"
|
| +#include "CSSRule.h"
|
| +#include "CSSRuleList.h"
|
| +#include "CSSSelector.h"
|
| +#include "CSSSelectorList.h"
|
| +#include "CSSStyleRule.h"
|
| +#include "CSSStyleSelector.h"
|
| +#include "CSSStyleSheet.h"
|
| +#include "CString.h"
|
| +#include "ChildNodeList.h"
|
| +#include "ClassNodeList.h"
|
| +#include "DOMImplementation.h"
|
| +#include "Document.h"
|
| +#include "DynamicNodeList.h"
|
| +#include "Element.h"
|
| +#include "ExceptionCode.h"
|
| +#include "Frame.h"
|
| +#include "HTMLNames.h"
|
| +#include "JSDOMBinding.h"
|
| +#include "Logging.h"
|
| +#include "NameNodeList.h"
|
| +#include "NamedAttrMap.h"
|
| +#include "NodeRareData.h"
|
| +#include "ProcessingInstruction.h"
|
| +#include "RenderObject.h"
|
| +#include "ScriptController.h"
|
| +#include "SelectorNodeList.h"
|
| +#include "StringBuilder.h"
|
| +#include "TagNodeList.h"
|
| +#include "Text.h"
|
| +#include "XMLNames.h"
|
| +#include "htmlediting.h"
|
| +#include <wtf/RefCountedLeakCounter.h>
|
| +
|
| +#define DUMP_NODE_STATISTICS 0
|
| +
|
| +using namespace std;
|
| +
|
| +namespace WebCore {
|
| +
|
| +using namespace HTMLNames;
|
| +
|
| +bool Node::isSupported(const String& feature, const String& version)
|
| +{
|
| + return DOMImplementation::hasFeature(feature, version);
|
| +}
|
| +
|
| +#if DUMP_NODE_STATISTICS
|
| +static HashSet<Node*> liveNodeSet;
|
| +#endif
|
| +
|
| +void Node::dumpStatistics()
|
| +{
|
| +#if DUMP_NODE_STATISTICS
|
| + size_t nodesWithRareData = 0;
|
| +
|
| + size_t elementNodes = 0;
|
| + size_t attrNodes = 0;
|
| + size_t textNodes = 0;
|
| + size_t cdataNodes = 0;
|
| + size_t commentNodes = 0;
|
| + size_t entityReferenceNodes = 0;
|
| + size_t entityNodes = 0;
|
| + size_t piNodes = 0;
|
| + size_t documentNodes = 0;
|
| + size_t docTypeNodes = 0;
|
| + size_t fragmentNodes = 0;
|
| + size_t notationNodes = 0;
|
| + size_t xpathNSNodes = 0;
|
| +
|
| + HashMap<String, size_t> perTagCount;
|
| +
|
| + size_t attributes = 0;
|
| + size_t mappedAttributes = 0;
|
| + size_t mappedAttributesWithStyleDecl = 0;
|
| + size_t attributesWithAttr = 0;
|
| + size_t attrMaps = 0;
|
| + size_t mappedAttrMaps = 0;
|
| +
|
| + for (HashSet<Node*>::const_iterator it = liveNodeSet.begin(); it != liveNodeSet.end(); ++it) {
|
| + Node* node = *it;
|
| +
|
| + if (node->hasRareData())
|
| + ++nodesWithRareData;
|
| +
|
| + switch (node->nodeType()) {
|
| + case ELEMENT_NODE: {
|
| + ++elementNodes;
|
| +
|
| + // Tag stats
|
| + Element* element = static_cast<Element*>(node);
|
| + pair<HashMap<String, size_t>::iterator, bool> result = perTagCount.add(element->tagName(), 1);
|
| + if (!result.second)
|
| + result.first->second++;
|
| +
|
| + // AttributeMap stats
|
| + if (NamedAttrMap* attrMap = element->attributes(true)) {
|
| + attributes += attrMap->length();
|
| + ++attrMaps;
|
| + if (attrMap->isMappedAttributeMap())
|
| + ++mappedAttrMaps;
|
| + for (unsigned i = 0; i < attrMap->length(); ++i) {
|
| + Attribute* attr = attrMap->attributeItem(i);
|
| + if (attr->attr())
|
| + ++attributesWithAttr;
|
| + if (attr->isMappedAttribute()) {
|
| + ++mappedAttributes;
|
| + if (attr->style())
|
| + ++mappedAttributesWithStyleDecl;
|
| + }
|
| + }
|
| + }
|
| + break;
|
| + }
|
| + case ATTRIBUTE_NODE: {
|
| + ++attrNodes;
|
| + break;
|
| + }
|
| + case TEXT_NODE: {
|
| + ++textNodes;
|
| + break;
|
| + }
|
| + case CDATA_SECTION_NODE: {
|
| + ++cdataNodes;
|
| + break;
|
| + }
|
| + case COMMENT_NODE: {
|
| + ++commentNodes;
|
| + break;
|
| + }
|
| + case ENTITY_REFERENCE_NODE: {
|
| + ++entityReferenceNodes;
|
| + break;
|
| + }
|
| + case ENTITY_NODE: {
|
| + ++entityNodes;
|
| + break;
|
| + }
|
| + case PROCESSING_INSTRUCTION_NODE: {
|
| + ++piNodes;
|
| + break;
|
| + }
|
| + case DOCUMENT_NODE: {
|
| + ++documentNodes;
|
| + break;
|
| + }
|
| + case DOCUMENT_TYPE_NODE: {
|
| + ++docTypeNodes;
|
| + break;
|
| + }
|
| + case DOCUMENT_FRAGMENT_NODE: {
|
| + ++fragmentNodes;
|
| + break;
|
| + }
|
| + case NOTATION_NODE: {
|
| + ++notationNodes;
|
| + break;
|
| + }
|
| + case XPATH_NAMESPACE_NODE: {
|
| + ++xpathNSNodes;
|
| + break;
|
| + }
|
| + }
|
| +
|
| + }
|
| +
|
| + printf("Number of Nodes: %d\n\n", liveNodeSet.size());
|
| + printf("Number of Nodes with RareData: %zu\n\n", nodesWithRareData);
|
| +
|
| + printf("NodeType distrubution:\n");
|
| + printf(" Number of Element nodes: %zu\n", elementNodes);
|
| + printf(" Number of Attribute nodes: %zu\n", attrNodes);
|
| + printf(" Number of Text nodes: %zu\n", textNodes);
|
| + printf(" Number of CDATASection nodes: %zu\n", cdataNodes);
|
| + printf(" Number of Comment nodes: %zu\n", commentNodes);
|
| + printf(" Number of EntityReference nodes: %zu\n", entityReferenceNodes);
|
| + printf(" Number of Entity nodes: %zu\n", entityNodes);
|
| + printf(" Number of ProcessingInstruction nodes: %zu\n", piNodes);
|
| + printf(" Number of Document nodes: %zu\n", documentNodes);
|
| + printf(" Number of DocumentType nodes: %zu\n", docTypeNodes);
|
| + printf(" Number of DocumentFragment nodes: %zu\n", fragmentNodes);
|
| + printf(" Number of Notation nodes: %zu\n", notationNodes);
|
| + printf(" Number of XPathNS nodes: %zu\n", xpathNSNodes);
|
| +
|
| + printf("Element tag name distibution:\n");
|
| + for (HashMap<String, size_t>::const_iterator it = perTagCount.begin(); it != perTagCount.end(); ++it)
|
| + printf(" Number of <%s> tags: %zu\n", it->first.utf8().data(), it->second);
|
| +
|
| + printf("Attribute Maps:\n");
|
| + printf(" Number of Attributes (non-Node and Node): %zu [%zu]\n", attributes, sizeof(Attribute));
|
| + printf(" Number of MappedAttributes: %zu [%zu]\n", mappedAttributes, sizeof(MappedAttribute));
|
| + printf(" Number of MappedAttributes with a StyleDeclaration: %zu\n", mappedAttributesWithStyleDecl);
|
| + printf(" Number of Attributes with an Attr: %zu\n", attributesWithAttr);
|
| + printf(" Number of NamedAttrMaps: %zu\n", attrMaps);
|
| + printf(" Number of NamedMappedAttrMap: %zu\n", mappedAttrMaps);
|
| +#endif
|
| +}
|
| +
|
| +#ifndef NDEBUG
|
| +static WTF::RefCountedLeakCounter nodeCounter("WebCoreNode");
|
| +
|
| +static bool shouldIgnoreLeaks = false;
|
| +static HashSet<Node*> ignoreSet;
|
| +#endif
|
| +
|
| +void Node::startIgnoringLeaks()
|
| +{
|
| +#ifndef NDEBUG
|
| + shouldIgnoreLeaks = true;
|
| +#endif
|
| +}
|
| +
|
| +void Node::stopIgnoringLeaks()
|
| +{
|
| +#ifndef NDEBUG
|
| + shouldIgnoreLeaks = false;
|
| +#endif
|
| +}
|
| +
|
| +Node::StyleChange Node::diff( RenderStyle *s1, RenderStyle *s2 )
|
| +{
|
| + // FIXME: The behavior of this function is just totally wrong. It doesn't handle
|
| + // explicit inheritance of non-inherited properties and so you end up not re-resolving
|
| + // style in cases where you need to.
|
| + StyleChange ch = NoInherit;
|
| + EDisplay display1 = s1 ? s1->display() : NONE;
|
| + bool fl1 = s1 && s1->hasPseudoStyle(FIRST_LETTER);
|
| + EDisplay display2 = s2 ? s2->display() : NONE;
|
| + bool fl2 = s2 && s2->hasPseudoStyle(FIRST_LETTER);
|
| +
|
| + if (display1 != display2 || fl1 != fl2 || (s1 && s2 && !s1->contentDataEquivalent(s2)))
|
| + ch = Detach;
|
| + else if (!s1 || !s2)
|
| + ch = Inherit;
|
| + else if (*s1 == *s2)
|
| + ch = NoChange;
|
| + else if (s1->inheritedNotEqual(s2))
|
| + ch = Inherit;
|
| +
|
| + // If the pseudoStyles have changed, we want any StyleChange that is not NoChange
|
| + // because setStyle will do the right thing with anything else.
|
| + if (ch == NoChange && s1->hasPseudoStyle(BEFORE)) {
|
| + RenderStyle* ps2 = s2->getCachedPseudoStyle(BEFORE);
|
| + if (!ps2)
|
| + ch = NoInherit;
|
| + else {
|
| + RenderStyle* ps1 = s1->getCachedPseudoStyle(BEFORE);
|
| + ch = ps1 && *ps1 == *ps2 ? NoChange : NoInherit;
|
| + }
|
| + }
|
| + if (ch == NoChange && s1->hasPseudoStyle(AFTER)) {
|
| + RenderStyle* ps2 = s2->getCachedPseudoStyle(AFTER);
|
| + if (!ps2)
|
| + ch = NoInherit;
|
| + else {
|
| + RenderStyle* ps1 = s1->getCachedPseudoStyle(AFTER);
|
| + ch = ps2 && *ps1 == *ps2 ? NoChange : NoInherit;
|
| + }
|
| + }
|
| +
|
| + return ch;
|
| +}
|
| +
|
| +Node::Node(Document* doc, bool isElement, bool isContainer, bool isText)
|
| + : m_document(doc)
|
| + , m_previous(0)
|
| + , m_next(0)
|
| + , m_renderer(0)
|
| + , m_styleChange(NoStyleChange)
|
| + , m_hasId(false)
|
| + , m_hasClass(false)
|
| + , m_attached(false)
|
| + , m_hasChangedChild(false)
|
| + , m_inDocument(false)
|
| + , m_isLink(false)
|
| + , m_active(false)
|
| + , m_hovered(false)
|
| + , m_inActiveChain(false)
|
| + , m_inDetach(false)
|
| + , m_inSubtreeMark(false)
|
| + , m_hasRareData(false)
|
| + , m_isElement(isElement)
|
| + , m_isContainer(isContainer)
|
| + , m_isText(isText)
|
| + , m_parsingChildrenFinished(true)
|
| +#if ENABLE(SVG)
|
| + , m_areSVGAttributesValid(true)
|
| +#endif
|
| + , m_isStyleAttributeValid(true)
|
| + , m_synchronizingStyleAttribute(false)
|
| +#if ENABLE(SVG)
|
| + , m_synchronizingSVGAttributes(false)
|
| +#endif
|
| +{
|
| +#ifndef NDEBUG
|
| + if (shouldIgnoreLeaks)
|
| + ignoreSet.add(this);
|
| + else
|
| + nodeCounter.increment();
|
| +#endif
|
| +#if DUMP_NODE_STATISTICS
|
| + liveNodeSet.add(this);
|
| +#endif
|
| +}
|
| +
|
| +Node::~Node()
|
| +{
|
| +#ifndef NDEBUG
|
| + HashSet<Node*>::iterator it = ignoreSet.find(this);
|
| + if (it != ignoreSet.end())
|
| + ignoreSet.remove(it);
|
| + else
|
| + nodeCounter.decrement();
|
| +#endif
|
| +
|
| +#if DUMP_NODE_STATISTICS
|
| + liveNodeSet.remove(this);
|
| +#endif
|
| +
|
| + if (!hasRareData())
|
| + ASSERT(!NodeRareData::rareDataMap().contains(this));
|
| + else {
|
| + if (m_document && rareData()->nodeLists())
|
| + m_document->removeNodeListCache();
|
| +
|
| + NodeRareData::NodeRareDataMap& dataMap = NodeRareData::rareDataMap();
|
| + NodeRareData::NodeRareDataMap::iterator it = dataMap.find(this);
|
| + ASSERT(it != dataMap.end());
|
| + delete it->second;
|
| + dataMap.remove(it);
|
| + }
|
| +
|
| + if (renderer())
|
| + detach();
|
| +
|
| + if (m_previous)
|
| + m_previous->setNextSibling(0);
|
| + if (m_next)
|
| + m_next->setPreviousSibling(0);
|
| +}
|
| +
|
| +void Node::setDocument(Document* doc)
|
| +{
|
| + if (inDocument() || m_document == doc)
|
| + return;
|
| +
|
| + willMoveToNewOwnerDocument();
|
| +
|
| + updateDOMNodeDocument(this, m_document.get(), doc);
|
| +
|
| + m_document = doc;
|
| +
|
| + didMoveToNewOwnerDocument();
|
| +}
|
| +
|
| +NodeRareData* Node::rareData() const
|
| +{
|
| + ASSERT(hasRareData());
|
| + return NodeRareData::rareDataFromMap(this);
|
| +}
|
| +
|
| +NodeRareData* Node::ensureRareData()
|
| +{
|
| + if (hasRareData())
|
| + return rareData();
|
| +
|
| + ASSERT(!NodeRareData::rareDataMap().contains(this));
|
| + NodeRareData* data = createRareData();
|
| + NodeRareData::rareDataMap().set(this, data);
|
| + m_hasRareData = true;
|
| + return data;
|
| +}
|
| +
|
| +NodeRareData* Node::createRareData()
|
| +{
|
| + return new NodeRareData;
|
| +}
|
| +
|
| +short Node::tabIndex() const
|
| +{
|
| + return hasRareData() ? rareData()->tabIndex() : 0;
|
| +}
|
| +
|
| +void Node::setTabIndexExplicitly(short i)
|
| +{
|
| + ensureRareData()->setTabIndexExplicitly(i);
|
| +}
|
| +
|
| +String Node::nodeValue() const
|
| +{
|
| + return String();
|
| +}
|
| +
|
| +void Node::setNodeValue(const String& /*nodeValue*/, ExceptionCode& ec)
|
| +{
|
| + // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly
|
| + if (isReadOnlyNode()) {
|
| + ec = NO_MODIFICATION_ALLOWED_ERR;
|
| + return;
|
| + }
|
| +
|
| + // By default, setting nodeValue has no effect.
|
| +}
|
| +
|
| +PassRefPtr<NodeList> Node::childNodes()
|
| +{
|
| + NodeRareData* data = ensureRareData();
|
| + if (!data->nodeLists()) {
|
| + data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| + document()->addNodeListCache();
|
| + }
|
| +
|
| + return ChildNodeList::create(this, &data->nodeLists()->m_childNodeListCaches);
|
| +}
|
| +
|
| +Node *Node::lastDescendant() const
|
| +{
|
| + Node *n = const_cast<Node *>(this);
|
| + while (n && n->lastChild())
|
| + n = n->lastChild();
|
| + return n;
|
| +}
|
| +
|
| +Node* Node::firstDescendant() const
|
| +{
|
| + Node *n = const_cast<Node *>(this);
|
| + while (n && n->firstChild())
|
| + n = n->firstChild();
|
| + return n;
|
| +}
|
| +
|
| +bool Node::insertBefore(PassRefPtr<Node>, Node*, ExceptionCode& ec, bool)
|
| +{
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return false;
|
| +}
|
| +
|
| +bool Node::replaceChild(PassRefPtr<Node>, Node*, ExceptionCode& ec, bool)
|
| +{
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return false;
|
| +}
|
| +
|
| +bool Node::removeChild(Node*, ExceptionCode& ec)
|
| +{
|
| + ec = NOT_FOUND_ERR;
|
| + return false;
|
| +}
|
| +
|
| +bool Node::appendChild(PassRefPtr<Node>, ExceptionCode& ec, bool)
|
| +{
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return false;
|
| +}
|
| +
|
| +void Node::remove(ExceptionCode& ec)
|
| +{
|
| + ref();
|
| + if (Node *p = parentNode())
|
| + p->removeChild(this, ec);
|
| + else
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + deref();
|
| +}
|
| +
|
| +void Node::normalize()
|
| +{
|
| + // Go through the subtree beneath us, normalizing all nodes. This means that
|
| + // any two adjacent text nodes are merged together.
|
| +
|
| + RefPtr<Node> node = this;
|
| + while (Node* firstChild = node->firstChild())
|
| + node = firstChild;
|
| + for (; node; node = node->traverseNextNodePostOrder()) {
|
| + NodeType type = node->nodeType();
|
| + if (type == ELEMENT_NODE)
|
| + static_cast<Element*>(node.get())->normalizeAttributes();
|
| +
|
| + Node* firstChild = node->firstChild();
|
| + if (firstChild && !firstChild->nextSibling() && firstChild->isTextNode()) {
|
| + Text* text = static_cast<Text*>(firstChild);
|
| + if (!text->length()) {
|
| + ExceptionCode ec;
|
| + text->remove(ec);
|
| + }
|
| + }
|
| +
|
| + if (node == this)
|
| + break;
|
| +
|
| + if (type == TEXT_NODE) {
|
| + while (1) {
|
| + Node* nextSibling = node->nextSibling();
|
| + if (!nextSibling || !nextSibling->isTextNode())
|
| + break;
|
| + // Current child and the next one are both text nodes. Merge them.
|
| + Text* text = static_cast<Text*>(node.get());
|
| + RefPtr<Text> nextText = static_cast<Text*>(nextSibling);
|
| + unsigned offset = text->length();
|
| + ExceptionCode ec;
|
| + text->appendData(nextText->data(), ec);
|
| + document()->textNodesMerged(nextText.get(), offset);
|
| + nextText->remove(ec);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +const AtomicString& Node::virtualPrefix() const
|
| +{
|
| + // For nodes other than elements and attributes, the prefix is always null
|
| + return nullAtom;
|
| +}
|
| +
|
| +void Node::setPrefix(const AtomicString& /*prefix*/, ExceptionCode& ec)
|
| +{
|
| + // The spec says that for nodes other than elements and attributes, prefix is always null.
|
| + // It does not say what to do when the user tries to set the prefix on another type of
|
| + // node, however Mozilla throws a NAMESPACE_ERR exception.
|
| + ec = NAMESPACE_ERR;
|
| +}
|
| +
|
| +const AtomicString& Node::virtualLocalName() const
|
| +{
|
| + return nullAtom;
|
| +}
|
| +
|
| +const AtomicString& Node::virtualNamespaceURI() const
|
| +{
|
| + return nullAtom;
|
| +}
|
| +
|
| +ContainerNode* Node::addChild(PassRefPtr<Node>)
|
| +{
|
| + return 0;
|
| +}
|
| +
|
| +bool Node::isContentEditable() const
|
| +{
|
| + return parent() && parent()->isContentEditable();
|
| +}
|
| +
|
| +bool Node::isContentRichlyEditable() const
|
| +{
|
| + return parent() && parent()->isContentRichlyEditable();
|
| +}
|
| +
|
| +bool Node::shouldUseInputMethod() const
|
| +{
|
| + return isContentEditable();
|
| +}
|
| +
|
| +RenderBox* Node::renderBox() const
|
| +{
|
| + return m_renderer && m_renderer->isBox() ? static_cast<RenderBox*>(m_renderer) : 0;
|
| +}
|
| +
|
| +IntRect Node::getRect() const
|
| +{
|
| + // FIXME: broken with transforms
|
| + if (renderer())
|
| + return renderer()->absoluteBoundingBoxRect();
|
| + return IntRect();
|
| +}
|
| +
|
| +void Node::setChanged(StyleChangeType changeType)
|
| +{
|
| + if ((changeType != NoStyleChange) && !attached()) // changed compared to what?
|
| + return;
|
| +
|
| + if (!(changeType == InlineStyleChange && (m_styleChange == FullStyleChange || m_styleChange == AnimationStyleChange)))
|
| + m_styleChange = changeType;
|
| +
|
| + if (m_styleChange != NoStyleChange) {
|
| + for (Node* p = parentNode(); p && !p->hasChangedChild(); p = p->parentNode())
|
| + p->setHasChangedChild(true);
|
| + document()->setDocumentChanged(true);
|
| + }
|
| +}
|
| +
|
| +static Node* outermostLazyAttachedAncestor(Node* start)
|
| +{
|
| + Node* p = start;
|
| + for (Node* next = p->parentNode(); !next->renderer(); p = next, next = next->parentNode()) {}
|
| + return p;
|
| +}
|
| +
|
| +void Node::lazyAttach()
|
| +{
|
| + bool mustDoFullAttach = false;
|
| +
|
| + for (Node* n = this; n; n = n->traverseNextNode(this)) {
|
| + if (!n->canLazyAttach()) {
|
| + mustDoFullAttach = true;
|
| + break;
|
| + }
|
| +
|
| + if (n->firstChild())
|
| + n->setHasChangedChild(true);
|
| + n->m_styleChange = FullStyleChange;
|
| + n->m_attached = true;
|
| + }
|
| +
|
| + if (mustDoFullAttach) {
|
| + Node* lazyAttachedAncestor = outermostLazyAttachedAncestor(this);
|
| + if (lazyAttachedAncestor->attached())
|
| + lazyAttachedAncestor->detach();
|
| + lazyAttachedAncestor->attach();
|
| + } else {
|
| + for (Node* p = parentNode(); p && !p->hasChangedChild(); p = p->parentNode())
|
| + p->setHasChangedChild(true);
|
| + document()->setDocumentChanged(true);
|
| + }
|
| +}
|
| +
|
| +bool Node::canLazyAttach()
|
| +{
|
| + return shadowAncestorNode() == this;
|
| +}
|
| +
|
| +void Node::setFocus(bool b)
|
| +{
|
| + if (b || hasRareData())
|
| + ensureRareData()->setFocused(b);
|
| +}
|
| +
|
| +bool Node::rareDataFocused() const
|
| +{
|
| + ASSERT(hasRareData());
|
| + return rareData()->isFocused();
|
| +}
|
| +
|
| +bool Node::isFocusable() const
|
| +{
|
| + return hasRareData() && rareData()->tabIndexSetExplicitly();
|
| +}
|
| +
|
| +bool Node::isKeyboardFocusable(KeyboardEvent*) const
|
| +{
|
| + return isFocusable() && tabIndex() >= 0;
|
| +}
|
| +
|
| +bool Node::isMouseFocusable() const
|
| +{
|
| + return isFocusable();
|
| +}
|
| +
|
| +unsigned Node::nodeIndex() const
|
| +{
|
| + Node *_tempNode = previousSibling();
|
| + unsigned count=0;
|
| + for( count=0; _tempNode; count++ )
|
| + _tempNode = _tempNode->previousSibling();
|
| + return count;
|
| +}
|
| +
|
| +void Node::registerDynamicNodeList(DynamicNodeList* list)
|
| +{
|
| + NodeRareData* data = ensureRareData();
|
| + if (!data->nodeLists()) {
|
| + data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| + document()->addNodeListCache();
|
| + } else if (!m_document->hasNodeListCaches()) {
|
| + // We haven't been receiving notifications while there were no registered lists, so the cache is invalid now.
|
| + data->nodeLists()->invalidateCaches();
|
| + }
|
| +
|
| + if (list->hasOwnCaches())
|
| + data->nodeLists()->m_listsWithCaches.add(list);
|
| +}
|
| +
|
| +void Node::unregisterDynamicNodeList(DynamicNodeList* list)
|
| +{
|
| + ASSERT(rareData());
|
| + ASSERT(rareData()->nodeLists());
|
| + if (list->hasOwnCaches()) {
|
| + NodeRareData* data = rareData();
|
| + data->nodeLists()->m_listsWithCaches.remove(list);
|
| + if (data->nodeLists()->isEmpty()) {
|
| + data->clearNodeLists();
|
| + document()->removeNodeListCache();
|
| + }
|
| + }
|
| +}
|
| +
|
| +void Node::notifyLocalNodeListsAttributeChanged()
|
| +{
|
| + if (!hasRareData())
|
| + return;
|
| + NodeRareData* data = rareData();
|
| + if (!data->nodeLists())
|
| + return;
|
| +
|
| + data->nodeLists()->invalidateCachesThatDependOnAttributes();
|
| +
|
| + if (data->nodeLists()->isEmpty()) {
|
| + data->clearNodeLists();
|
| + document()->removeNodeListCache();
|
| + }
|
| +}
|
| +
|
| +void Node::notifyNodeListsAttributeChanged()
|
| +{
|
| + for (Node *n = this; n; n = n->parentNode())
|
| + n->notifyLocalNodeListsAttributeChanged();
|
| +}
|
| +
|
| +void Node::notifyLocalNodeListsChildrenChanged()
|
| +{
|
| + if (!hasRareData())
|
| + return;
|
| + NodeRareData* data = rareData();
|
| + if (!data->nodeLists())
|
| + return;
|
| +
|
| + data->nodeLists()->invalidateCaches();
|
| +
|
| + NodeListsNodeData::NodeListSet::iterator end = data->nodeLists()->m_listsWithCaches.end();
|
| + for (NodeListsNodeData::NodeListSet::iterator i = data->nodeLists()->m_listsWithCaches.begin(); i != end; ++i)
|
| + (*i)->invalidateCache();
|
| +
|
| + if (data->nodeLists()->isEmpty()) {
|
| + data->clearNodeLists();
|
| + document()->removeNodeListCache();
|
| + }
|
| +}
|
| +
|
| +void Node::notifyNodeListsChildrenChanged()
|
| +{
|
| + for (Node* n = this; n; n = n->parentNode())
|
| + n->notifyLocalNodeListsChildrenChanged();
|
| +}
|
| +
|
| +Node *Node::traverseNextNode(const Node *stayWithin) const
|
| +{
|
| + if (firstChild())
|
| + return firstChild();
|
| + if (this == stayWithin)
|
| + return 0;
|
| + if (nextSibling())
|
| + return nextSibling();
|
| + const Node *n = this;
|
| + while (n && !n->nextSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| + n = n->parentNode();
|
| + if (n)
|
| + return n->nextSibling();
|
| + return 0;
|
| +}
|
| +
|
| +Node *Node::traverseNextSibling(const Node *stayWithin) const
|
| +{
|
| + if (this == stayWithin)
|
| + return 0;
|
| + if (nextSibling())
|
| + return nextSibling();
|
| + const Node *n = this;
|
| + while (n && !n->nextSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| + n = n->parentNode();
|
| + if (n)
|
| + return n->nextSibling();
|
| + return 0;
|
| +}
|
| +
|
| +Node* Node::traverseNextNodePostOrder() const
|
| +{
|
| + Node* next = nextSibling();
|
| + if (!next)
|
| + return parentNode();
|
| + while (Node* firstChild = next->firstChild())
|
| + next = firstChild;
|
| + return next;
|
| +}
|
| +
|
| +Node *Node::traversePreviousNode(const Node *stayWithin) const
|
| +{
|
| + if (this == stayWithin)
|
| + return 0;
|
| + if (previousSibling()) {
|
| + Node *n = previousSibling();
|
| + while (n->lastChild())
|
| + n = n->lastChild();
|
| + return n;
|
| + }
|
| + return parentNode();
|
| +}
|
| +
|
| +Node *Node::traversePreviousNodePostOrder(const Node *stayWithin) const
|
| +{
|
| + if (lastChild())
|
| + return lastChild();
|
| + if (this == stayWithin)
|
| + return 0;
|
| + if (previousSibling())
|
| + return previousSibling();
|
| + const Node *n = this;
|
| + while (n && !n->previousSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| + n = n->parentNode();
|
| + if (n)
|
| + return n->previousSibling();
|
| + return 0;
|
| +}
|
| +
|
| +Node* Node::traversePreviousSiblingPostOrder(const Node* stayWithin) const
|
| +{
|
| + if (this == stayWithin)
|
| + return 0;
|
| + if (previousSibling())
|
| + return previousSibling();
|
| + const Node *n = this;
|
| + while (n && !n->previousSibling() && (!stayWithin || n->parentNode() != stayWithin))
|
| + n = n->parentNode();
|
| + if (n)
|
| + return n->previousSibling();
|
| + return 0;
|
| +}
|
| +
|
| +void Node::checkSetPrefix(const AtomicString&, ExceptionCode& ec)
|
| +{
|
| + // Perform error checking as required by spec for setting Node.prefix. Used by
|
| + // Element::setPrefix() and Attr::setPrefix()
|
| +
|
| + // FIXME: Implement support for INVALID_CHARACTER_ERR: Raised if the specified prefix contains an illegal character.
|
| +
|
| + // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
|
| + if (isReadOnlyNode()) {
|
| + ec = NO_MODIFICATION_ALLOWED_ERR;
|
| + return;
|
| + }
|
| +
|
| + // FIXME: Implement NAMESPACE_ERR: - Raised if the specified prefix is malformed
|
| + // We have to comment this out, since it's used for attributes and tag names, and we've only
|
| + // switched one over.
|
| + /*
|
| + // - if the namespaceURI of this node is null,
|
| + // - if the specified prefix is "xml" and the namespaceURI of this node is different from
|
| + // "http://www.w3.org/XML/1998/namespace",
|
| + // - if this node is an attribute and the specified prefix is "xmlns" and
|
| + // the namespaceURI of this node is different from "http://www.w3.org/2000/xmlns/",
|
| + // - or if this node is an attribute and the qualifiedName of this node is "xmlns" [Namespaces].
|
| + if ((namespacePart(id()) == noNamespace && id() > ID_LAST_TAG) ||
|
| + (_prefix == "xml" && String(document()->namespaceURI(id())) != "http://www.w3.org/XML/1998/namespace")) {
|
| + ec = NAMESPACE_ERR;
|
| + return;
|
| + }*/
|
| +}
|
| +
|
| +bool Node::canReplaceChild(Node* newChild, Node*)
|
| +{
|
| + if (newChild->nodeType() != DOCUMENT_FRAGMENT_NODE) {
|
| + if (!childTypeAllowed(newChild->nodeType()))
|
| + return false;
|
| + } else {
|
| + for (Node *n = newChild->firstChild(); n; n = n->nextSibling()) {
|
| + if (!childTypeAllowed(n->nodeType()))
|
| + return false;
|
| + }
|
| + }
|
| + return true;
|
| +}
|
| +
|
| +void Node::checkReplaceChild(Node* newChild, Node* oldChild, ExceptionCode& ec)
|
| +{
|
| + // Perform error checking as required by spec for adding a new child. Used by
|
| + // appendChild(), replaceChild() and insertBefore()
|
| +
|
| + // Not mentioned in spec: throw NOT_FOUND_ERR if newChild is null
|
| + if (!newChild) {
|
| + ec = NOT_FOUND_ERR;
|
| + return;
|
| + }
|
| +
|
| + // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly
|
| + if (isReadOnlyNode()) {
|
| + ec = NO_MODIFICATION_ALLOWED_ERR;
|
| + return;
|
| + }
|
| +
|
| + bool shouldAdoptChild = false;
|
| +
|
| + // WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that
|
| + // created this node.
|
| + // We assume that if newChild is a DocumentFragment, all children are created from the same document
|
| + // as the fragment itself (otherwise they could not have been added as children)
|
| + if (newChild->document() != document()) {
|
| + // but if the child is not in a document yet then loosen the
|
| + // restriction, so that e.g. creating an element with the Option()
|
| + // constructor and then adding it to a different document works,
|
| + // as it does in Mozilla and Mac IE.
|
| + if (!newChild->inDocument()) {
|
| + shouldAdoptChild = true;
|
| + } else {
|
| + ec = WRONG_DOCUMENT_ERR;
|
| + return;
|
| + }
|
| + }
|
| +
|
| + // HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the
|
| + // newChild node, or if the node to append is one of this node's ancestors.
|
| +
|
| + // check for ancestor/same node
|
| + if (newChild == this || isDescendantOf(newChild)) {
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return;
|
| + }
|
| +
|
| + if (!canReplaceChild(newChild, oldChild)) {
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return;
|
| + }
|
| +
|
| + // change the document pointer of newChild and all of its children to be the new document
|
| + if (shouldAdoptChild)
|
| + for (Node* node = newChild; node; node = node->traverseNextNode(newChild))
|
| + node->setDocument(document());
|
| +}
|
| +
|
| +void Node::checkAddChild(Node *newChild, ExceptionCode& ec)
|
| +{
|
| + // Perform error checking as required by spec for adding a new child. Used by
|
| + // appendChild(), replaceChild() and insertBefore()
|
| +
|
| + // Not mentioned in spec: throw NOT_FOUND_ERR if newChild is null
|
| + if (!newChild) {
|
| + ec = NOT_FOUND_ERR;
|
| + return;
|
| + }
|
| +
|
| + // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly
|
| + if (isReadOnlyNode()) {
|
| + ec = NO_MODIFICATION_ALLOWED_ERR;
|
| + return;
|
| + }
|
| +
|
| + bool shouldAdoptChild = false;
|
| +
|
| + // WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that
|
| + // created this node.
|
| + // We assume that if newChild is a DocumentFragment, all children are created from the same document
|
| + // as the fragment itself (otherwise they could not have been added as children)
|
| + if (newChild->document() != document()) {
|
| + // but if the child is not in a document yet then loosen the
|
| + // restriction, so that e.g. creating an element with the Option()
|
| + // constructor and then adding it to a different document works,
|
| + // as it does in Mozilla and Mac IE.
|
| + if (!newChild->inDocument()) {
|
| + shouldAdoptChild = true;
|
| + } else {
|
| + ec = WRONG_DOCUMENT_ERR;
|
| + return;
|
| + }
|
| + }
|
| +
|
| + // HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the
|
| + // newChild node, or if the node to append is one of this node's ancestors.
|
| +
|
| + // check for ancestor/same node
|
| + if (newChild == this || isDescendantOf(newChild)) {
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return;
|
| + }
|
| +
|
| + if (newChild->nodeType() != DOCUMENT_FRAGMENT_NODE) {
|
| + if (!childTypeAllowed(newChild->nodeType())) {
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return;
|
| + }
|
| + }
|
| + else {
|
| + for (Node *n = newChild->firstChild(); n; n = n->nextSibling()) {
|
| + if (!childTypeAllowed(n->nodeType())) {
|
| + ec = HIERARCHY_REQUEST_ERR;
|
| + return;
|
| + }
|
| + }
|
| + }
|
| +
|
| + // change the document pointer of newChild and all of its children to be the new document
|
| + if (shouldAdoptChild)
|
| + for (Node* node = newChild; node; node = node->traverseNextNode(newChild))
|
| + node->setDocument(document());
|
| +}
|
| +
|
| +bool Node::isDescendantOf(const Node *other) const
|
| +{
|
| + // Return true if other is an ancestor of this, otherwise false
|
| + if (!other)
|
| + return false;
|
| + for (const Node *n = parentNode(); n; n = n->parentNode()) {
|
| + if (n == other)
|
| + return true;
|
| + }
|
| + return false;
|
| +}
|
| +
|
| +bool Node::contains(const Node* node) const
|
| +{
|
| + if (!node)
|
| + return false;
|
| + return this == node || node->isDescendantOf(this);
|
| +}
|
| +
|
| +bool Node::childAllowed(Node* newChild)
|
| +{
|
| + return childTypeAllowed(newChild->nodeType());
|
| +}
|
| +
|
| +void Node::attach()
|
| +{
|
| + ASSERT(!attached());
|
| + ASSERT(!renderer() || (renderer()->style() && renderer()->parent()));
|
| +
|
| + // If this node got a renderer it may be the previousRenderer() of sibling text nodes and thus affect the
|
| + // result of Text::rendererIsNeeded() for those nodes.
|
| + if (renderer()) {
|
| + for (Node* next = nextSibling(); next; next = next->nextSibling()) {
|
| + if (next->renderer())
|
| + break;
|
| + if (!next->attached())
|
| + break; // Assume this means none of the following siblings are attached.
|
| + if (next->isTextNode())
|
| + next->createRendererIfNeeded();
|
| + }
|
| + }
|
| +
|
| + m_attached = true;
|
| +}
|
| +
|
| +void Node::willRemove()
|
| +{
|
| +}
|
| +
|
| +void Node::detach()
|
| +{
|
| + m_inDetach = true;
|
| +
|
| + if (renderer())
|
| + renderer()->destroy();
|
| + setRenderer(0);
|
| +
|
| + Document* doc = document();
|
| + if (m_hovered)
|
| + doc->hoveredNodeDetached(this);
|
| + if (m_inActiveChain)
|
| + doc->activeChainNodeDetached(this);
|
| +
|
| + m_active = false;
|
| + m_hovered = false;
|
| + m_inActiveChain = false;
|
| + m_attached = false;
|
| + m_inDetach = false;
|
| +}
|
| +
|
| +void Node::insertedIntoDocument()
|
| +{
|
| + // Note: EventTargetNode::insertedIntoDocument does not call through here, so if you
|
| + // change this function, change that one as well.
|
| + setInDocument(true);
|
| +}
|
| +
|
| +void Node::removedFromDocument()
|
| +{
|
| + // Note: EventTargetNode::insertedIntoDocument does not call through here, so if you
|
| + // change this function, change that one as well.
|
| + setInDocument(false);
|
| +}
|
| +
|
| +Node *Node::previousEditable() const
|
| +{
|
| + Node *node = previousLeafNode();
|
| + while (node) {
|
| + if (node->isContentEditable())
|
| + return node;
|
| + node = node->previousLeafNode();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +Node *Node::nextEditable() const
|
| +{
|
| + Node *node = nextLeafNode();
|
| + while (node) {
|
| + if (node->isContentEditable())
|
| + return node;
|
| + node = node->nextLeafNode();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +RenderObject * Node::previousRenderer()
|
| +{
|
| + for (Node *n = previousSibling(); n; n = n->previousSibling()) {
|
| + if (n->renderer())
|
| + return n->renderer();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +RenderObject * Node::nextRenderer()
|
| +{
|
| + // Avoid an O(n^2) problem with this function by not checking for nextRenderer() when the parent element hasn't even
|
| + // been attached yet.
|
| + if (parent() && !parent()->attached())
|
| + return 0;
|
| +
|
| + for (Node *n = nextSibling(); n; n = n->nextSibling()) {
|
| + if (n->renderer())
|
| + return n->renderer();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +// FIXME: This code is used by editing. Seems like it could move over there and not pollute Node.
|
| +Node *Node::previousNodeConsideringAtomicNodes() const
|
| +{
|
| + if (previousSibling()) {
|
| + Node *n = previousSibling();
|
| + while (!isAtomicNode(n) && n->lastChild())
|
| + n = n->lastChild();
|
| + return n;
|
| + }
|
| + else if (parentNode()) {
|
| + return parentNode();
|
| + }
|
| + else {
|
| + return 0;
|
| + }
|
| +}
|
| +
|
| +Node *Node::nextNodeConsideringAtomicNodes() const
|
| +{
|
| + if (!isAtomicNode(this) && firstChild())
|
| + return firstChild();
|
| + if (nextSibling())
|
| + return nextSibling();
|
| + const Node *n = this;
|
| + while (n && !n->nextSibling())
|
| + n = n->parentNode();
|
| + if (n)
|
| + return n->nextSibling();
|
| + return 0;
|
| +}
|
| +
|
| +Node *Node::previousLeafNode() const
|
| +{
|
| + Node *node = previousNodeConsideringAtomicNodes();
|
| + while (node) {
|
| + if (isAtomicNode(node))
|
| + return node;
|
| + node = node->previousNodeConsideringAtomicNodes();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +Node *Node::nextLeafNode() const
|
| +{
|
| + Node *node = nextNodeConsideringAtomicNodes();
|
| + while (node) {
|
| + if (isAtomicNode(node))
|
| + return node;
|
| + node = node->nextNodeConsideringAtomicNodes();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +void Node::createRendererIfNeeded()
|
| +{
|
| + if (!document()->shouldCreateRenderers())
|
| + return;
|
| +
|
| + ASSERT(!renderer());
|
| +
|
| + Node* parent = parentNode();
|
| + ASSERT(parent);
|
| +
|
| + RenderObject* parentRenderer = parent->renderer();
|
| + if (parentRenderer && parentRenderer->canHaveChildren()
|
| +#if ENABLE(SVG)
|
| + && parent->childShouldCreateRenderer(this)
|
| +#endif
|
| + ) {
|
| + RefPtr<RenderStyle> style = styleForRenderer();
|
| + if (rendererIsNeeded(style.get())) {
|
| + if (RenderObject* r = createRenderer(document()->renderArena(), style.get())) {
|
| + if (!parentRenderer->isChildAllowed(r, style.get()))
|
| + r->destroy();
|
| + else {
|
| + setRenderer(r);
|
| + renderer()->setAnimatableStyle(style.release());
|
| + parentRenderer->addChild(renderer(), nextRenderer());
|
| + }
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +PassRefPtr<RenderStyle> Node::styleForRenderer()
|
| +{
|
| + if (isElementNode())
|
| + return document()->styleSelector()->styleForElement(static_cast<Element*>(this));
|
| + return parentNode() && parentNode()->renderer() ? parentNode()->renderer()->style() : 0;
|
| +}
|
| +
|
| +bool Node::rendererIsNeeded(RenderStyle *style)
|
| +{
|
| + return (document()->documentElement() == this) || (style->display() != NONE);
|
| +}
|
| +
|
| +RenderObject* Node::createRenderer(RenderArena*, RenderStyle*)
|
| +{
|
| + ASSERT(false);
|
| + return 0;
|
| +}
|
| +
|
| +RenderStyle* Node::nonRendererRenderStyle() const
|
| +{
|
| + return 0;
|
| +}
|
| +
|
| +void Node::setRenderStyle(PassRefPtr<RenderStyle> s)
|
| +{
|
| + if (m_renderer)
|
| + m_renderer->setAnimatableStyle(s);
|
| +}
|
| +
|
| +RenderStyle* Node::computedStyle()
|
| +{
|
| + return parent() ? parent()->computedStyle() : 0;
|
| +}
|
| +
|
| +int Node::maxCharacterOffset() const
|
| +{
|
| + ASSERT_NOT_REACHED();
|
| + return 0;
|
| +}
|
| +
|
| +// FIXME: Shouldn't these functions be in the editing code? Code that asks questions about HTML in the core DOM class
|
| +// is obviously misplaced.
|
| +bool Node::canStartSelection() const
|
| +{
|
| + if (isContentEditable())
|
| + return true;
|
| + return parent() ? parent()->canStartSelection() : true;
|
| +}
|
| +
|
| +Node* Node::shadowAncestorNode()
|
| +{
|
| +#if ENABLE(SVG)
|
| + // SVG elements living in a shadow tree only occour when <use> created them.
|
| + // For these cases we do NOT want to return the shadowParentNode() here
|
| + // but the actual shadow tree element - as main difference to the HTML forms
|
| + // shadow tree concept. (This function _could_ be made virtual - opinions?)
|
| + if (isSVGElement())
|
| + return this;
|
| +#endif
|
| +
|
| + Node* root = shadowTreeRootNode();
|
| + if (root)
|
| + return root->shadowParentNode();
|
| + return this;
|
| +}
|
| +
|
| +Node* Node::shadowTreeRootNode()
|
| +{
|
| + Node* root = this;
|
| + while (root) {
|
| + if (root->isShadowNode())
|
| + return root;
|
| + root = root->parentNode();
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +bool Node::isInShadowTree()
|
| +{
|
| + for (Node* n = this; n; n = n->parentNode())
|
| + if (n->isShadowNode())
|
| + return true;
|
| + return false;
|
| +}
|
| +
|
| +bool Node::isBlockFlow() const
|
| +{
|
| + return renderer() && renderer()->isBlockFlow();
|
| +}
|
| +
|
| +bool Node::isBlockFlowOrBlockTable() const
|
| +{
|
| + return renderer() && (renderer()->isBlockFlow() || renderer()->isTable() && !renderer()->isInline());
|
| +}
|
| +
|
| +bool Node::isEditableBlock() const
|
| +{
|
| + return isContentEditable() && isBlockFlow();
|
| +}
|
| +
|
| +Element *Node::enclosingBlockFlowElement() const
|
| +{
|
| + Node *n = const_cast<Node *>(this);
|
| + if (isBlockFlow())
|
| + return static_cast<Element *>(n);
|
| +
|
| + while (1) {
|
| + n = n->parentNode();
|
| + if (!n)
|
| + break;
|
| + if (n->isBlockFlow() || n->hasTagName(bodyTag))
|
| + return static_cast<Element *>(n);
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +Element *Node::enclosingInlineElement() const
|
| +{
|
| + Node *n = const_cast<Node *>(this);
|
| + Node *p;
|
| +
|
| + while (1) {
|
| + p = n->parentNode();
|
| + if (!p || p->isBlockFlow() || p->hasTagName(bodyTag))
|
| + return static_cast<Element *>(n);
|
| + // Also stop if any previous sibling is a block
|
| + for (Node *sibling = n->previousSibling(); sibling; sibling = sibling->previousSibling()) {
|
| + if (sibling->isBlockFlow())
|
| + return static_cast<Element *>(n);
|
| + }
|
| + n = p;
|
| + }
|
| + ASSERT_NOT_REACHED();
|
| + return 0;
|
| +}
|
| +
|
| +Element* Node::rootEditableElement() const
|
| +{
|
| + Element* result = 0;
|
| + for (Node* n = const_cast<Node*>(this); n && n->isContentEditable(); n = n->parentNode()) {
|
| + if (n->isElementNode())
|
| + result = static_cast<Element*>(n);
|
| + if (n->hasTagName(bodyTag))
|
| + break;
|
| + }
|
| + return result;
|
| +}
|
| +
|
| +bool Node::inSameContainingBlockFlowElement(Node *n)
|
| +{
|
| + return n ? enclosingBlockFlowElement() == n->enclosingBlockFlowElement() : false;
|
| +}
|
| +
|
| +// FIXME: End of obviously misplaced HTML editing functions. Try to move these out of Node.
|
| +
|
| +PassRefPtr<NodeList> Node::getElementsByTagName(const String& name)
|
| +{
|
| + return getElementsByTagNameNS(starAtom, name);
|
| +}
|
| +
|
| +PassRefPtr<NodeList> Node::getElementsByTagNameNS(const AtomicString& namespaceURI, const String& localName)
|
| +{
|
| + if (localName.isNull())
|
| + return 0;
|
| +
|
| + NodeRareData* data = ensureRareData();
|
| + if (!data->nodeLists()) {
|
| + data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| + document()->addNodeListCache();
|
| + }
|
| +
|
| + String name = localName;
|
| + if (document()->isHTMLDocument())
|
| + name = localName.lower();
|
| +
|
| + AtomicString localNameAtom = name;
|
| +
|
| + pair<NodeListsNodeData::TagCacheMap::iterator, bool> result = data->nodeLists()->m_tagNodeListCaches.add(QualifiedName(nullAtom, localNameAtom, namespaceURI), 0);
|
| + if (result.second)
|
| + result.first->second = new DynamicNodeList::Caches;
|
| +
|
| + return TagNodeList::create(this, namespaceURI.isEmpty() ? nullAtom : namespaceURI, localNameAtom, result.first->second);
|
| +}
|
| +
|
| +PassRefPtr<NodeList> Node::getElementsByName(const String& elementName)
|
| +{
|
| + NodeRareData* data = ensureRareData();
|
| + if (!data->nodeLists()) {
|
| + data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| + document()->addNodeListCache();
|
| + }
|
| +
|
| + pair<NodeListsNodeData::CacheMap::iterator, bool> result = data->nodeLists()->m_nameNodeListCaches.add(elementName, 0);
|
| + if (result.second)
|
| + result.first->second = new DynamicNodeList::Caches;
|
| +
|
| + return NameNodeList::create(this, elementName, result.first->second);
|
| +}
|
| +
|
| +PassRefPtr<NodeList> Node::getElementsByClassName(const String& classNames)
|
| +{
|
| + NodeRareData* data = ensureRareData();
|
| + if (!data->nodeLists()) {
|
| + data->setNodeLists(auto_ptr<NodeListsNodeData>(new NodeListsNodeData));
|
| + document()->addNodeListCache();
|
| + }
|
| +
|
| + pair<NodeListsNodeData::CacheMap::iterator, bool> result = data->nodeLists()->m_classNodeListCaches.add(classNames, 0);
|
| + if (result.second)
|
| + result.first->second = new DynamicNodeList::Caches;
|
| +
|
| + return ClassNodeList::create(this, classNames, result.first->second);
|
| +}
|
| +
|
| +template <typename Functor>
|
| +static bool forEachTagSelector(Functor& functor, CSSSelector* selector)
|
| +{
|
| + ASSERT(selector);
|
| +
|
| + do {
|
| + if (functor(selector))
|
| + return true;
|
| + if (CSSSelector* simpleSelector = selector->simpleSelector()) {
|
| + if (forEachTagSelector(functor, simpleSelector))
|
| + return true;
|
| + }
|
| + } while ((selector = selector->tagHistory()));
|
| +
|
| + return false;
|
| +}
|
| +
|
| +template <typename Functor>
|
| +static bool forEachSelector(Functor& functor, const CSSSelectorList& selectorList)
|
| +{
|
| + for (CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
|
| + if (forEachTagSelector(functor, selector))
|
| + return true;
|
| + }
|
| +
|
| + return false;
|
| +}
|
| +
|
| +class SelectorNeedsNamespaceResolutionFunctor {
|
| +public:
|
| + bool operator()(CSSSelector* selector)
|
| + {
|
| + if (selector->hasTag() && selector->m_tag.prefix() != nullAtom && selector->m_tag.prefix() != starAtom)
|
| + return true;
|
| + if (selector->hasAttribute() && selector->attribute().prefix() != nullAtom && selector->attribute().prefix() != starAtom)
|
| + return true;
|
| + return false;
|
| + }
|
| +};
|
| +
|
| +static bool selectorNeedsNamespaceResolution(const CSSSelectorList& selectorList)
|
| +{
|
| + SelectorNeedsNamespaceResolutionFunctor functor;
|
| + return forEachSelector(functor, selectorList);
|
| +}
|
| +
|
| +PassRefPtr<Element> Node::querySelector(const String& selectors, ExceptionCode& ec)
|
| +{
|
| + if (selectors.isEmpty()) {
|
| + ec = SYNTAX_ERR;
|
| + return 0;
|
| + }
|
| + bool strictParsing = !document()->inCompatMode();
|
| + CSSParser p(strictParsing);
|
| +
|
| + CSSSelectorList querySelectorList;
|
| + p.parseSelector(selectors, document(), querySelectorList);
|
| +
|
| + if (!querySelectorList.first()) {
|
| + ec = SYNTAX_ERR;
|
| + return 0;
|
| + }
|
| +
|
| + // throw a NAMESPACE_ERR if the selector includes any namespace prefixes.
|
| + if (selectorNeedsNamespaceResolution(querySelectorList)) {
|
| + ec = NAMESPACE_ERR;
|
| + return 0;
|
| + }
|
| +
|
| + CSSStyleSelector::SelectorChecker selectorChecker(document(), strictParsing);
|
| +
|
| + // FIXME: we could also optimize for the the [id="foo"] case
|
| + if (strictParsing && inDocument() && querySelectorList.hasOneSelector() && querySelectorList.first()->m_match == CSSSelector::Id) {
|
| + ASSERT(querySelectorList.first()->attribute() == idAttr);
|
| + Element* element = document()->getElementById(querySelectorList.first()->m_value);
|
| + if (element && (isDocumentNode() || element->isDescendantOf(this)) && selectorChecker.checkSelector(querySelectorList.first(), element))
|
| + return element;
|
| + return 0;
|
| + }
|
| +
|
| + // FIXME: We can speed this up by implementing caching similar to the one use by getElementById
|
| + for (Node* n = firstChild(); n; n = n->traverseNextNode(this)) {
|
| + if (n->isElementNode()) {
|
| + Element* element = static_cast<Element*>(n);
|
| + for (CSSSelector* selector = querySelectorList.first(); selector; selector = CSSSelectorList::next(selector)) {
|
| + if (selectorChecker.checkSelector(selector, element))
|
| + return element;
|
| + }
|
| + }
|
| + }
|
| +
|
| + return 0;
|
| +}
|
| +
|
| +PassRefPtr<NodeList> Node::querySelectorAll(const String& selectors, ExceptionCode& ec)
|
| +{
|
| + if (selectors.isEmpty()) {
|
| + ec = SYNTAX_ERR;
|
| + return 0;
|
| + }
|
| + bool strictParsing = !document()->inCompatMode();
|
| + CSSParser p(strictParsing);
|
| +
|
| + CSSSelectorList querySelectorList;
|
| + p.parseSelector(selectors, document(), querySelectorList);
|
| +
|
| + if (!querySelectorList.first()) {
|
| + ec = SYNTAX_ERR;
|
| + return 0;
|
| + }
|
| +
|
| + // Throw a NAMESPACE_ERR if the selector includes any namespace prefixes.
|
| + if (selectorNeedsNamespaceResolution(querySelectorList)) {
|
| + ec = NAMESPACE_ERR;
|
| + return 0;
|
| + }
|
| +
|
| + return createSelectorNodeList(this, querySelectorList);
|
| +}
|
| +
|
| +Document *Node::ownerDocument() const
|
| +{
|
| + Document *doc = document();
|
| + return doc == this ? 0 : doc;
|
| +}
|
| +
|
| +KURL Node::baseURI() const
|
| +{
|
| + return parentNode() ? parentNode()->baseURI() : KURL();
|
| +}
|
| +
|
| +bool Node::isEqualNode(Node *other) const
|
| +{
|
| + if (!other)
|
| + return false;
|
| +
|
| + if (nodeType() != other->nodeType())
|
| + return false;
|
| +
|
| + if (nodeName() != other->nodeName())
|
| + return false;
|
| +
|
| + if (localName() != other->localName())
|
| + return false;
|
| +
|
| + if (namespaceURI() != other->namespaceURI())
|
| + return false;
|
| +
|
| + if (prefix() != other->prefix())
|
| + return false;
|
| +
|
| + if (nodeValue() != other->nodeValue())
|
| + return false;
|
| +
|
| + NamedAttrMap *attrs = attributes();
|
| + NamedAttrMap *otherAttrs = other->attributes();
|
| +
|
| + if (!attrs && otherAttrs)
|
| + return false;
|
| +
|
| + if (attrs && !attrs->mapsEquivalent(otherAttrs))
|
| + return false;
|
| +
|
| + Node *child = firstChild();
|
| + Node *otherChild = other->firstChild();
|
| +
|
| + while (child) {
|
| + if (!child->isEqualNode(otherChild))
|
| + return false;
|
| +
|
| + child = child->nextSibling();
|
| + otherChild = otherChild->nextSibling();
|
| + }
|
| +
|
| + if (otherChild)
|
| + return false;
|
| +
|
| + // FIXME: For DocumentType nodes we should check equality on
|
| + // the entities and notations NamedNodeMaps as well.
|
| +
|
| + return true;
|
| +}
|
| +
|
| +bool Node::isDefaultNamespace(const AtomicString &namespaceURI) const
|
| +{
|
| + // Implemented according to
|
| + // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#isDefaultNamespaceAlgo
|
| +
|
| + switch (nodeType()) {
|
| + case ELEMENT_NODE: {
|
| + const Element *elem = static_cast<const Element *>(this);
|
| +
|
| + if (elem->prefix().isNull())
|
| + return elem->namespaceURI() == namespaceURI;
|
| +
|
| + if (elem->hasAttributes()) {
|
| + NamedAttrMap *attrs = elem->attributes();
|
| +
|
| + for (unsigned i = 0; i < attrs->length(); i++) {
|
| + Attribute *attr = attrs->attributeItem(i);
|
| +
|
| + if (attr->localName() == "xmlns")
|
| + return attr->value() == namespaceURI;
|
| + }
|
| + }
|
| +
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->isDefaultNamespace(namespaceURI);
|
| +
|
| + return false;
|
| + }
|
| + case DOCUMENT_NODE:
|
| + if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| + return de->isDefaultNamespace(namespaceURI);
|
| + return false;
|
| + case ENTITY_NODE:
|
| + case NOTATION_NODE:
|
| + case DOCUMENT_TYPE_NODE:
|
| + case DOCUMENT_FRAGMENT_NODE:
|
| + return false;
|
| + case ATTRIBUTE_NODE: {
|
| + const Attr *attr = static_cast<const Attr *>(this);
|
| + if (attr->ownerElement())
|
| + return attr->ownerElement()->isDefaultNamespace(namespaceURI);
|
| + return false;
|
| + }
|
| + default:
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->isDefaultNamespace(namespaceURI);
|
| + return false;
|
| + }
|
| +}
|
| +
|
| +String Node::lookupPrefix(const AtomicString &namespaceURI) const
|
| +{
|
| + // Implemented according to
|
| + // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#lookupNamespacePrefixAlgo
|
| +
|
| + if (namespaceURI.isEmpty())
|
| + return String();
|
| +
|
| + switch (nodeType()) {
|
| + case ELEMENT_NODE:
|
| + return lookupNamespacePrefix(namespaceURI, static_cast<const Element *>(this));
|
| + case DOCUMENT_NODE:
|
| + if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| + return de->lookupPrefix(namespaceURI);
|
| + return String();
|
| + case ENTITY_NODE:
|
| + case NOTATION_NODE:
|
| + case DOCUMENT_FRAGMENT_NODE:
|
| + case DOCUMENT_TYPE_NODE:
|
| + return String();
|
| + case ATTRIBUTE_NODE: {
|
| + const Attr *attr = static_cast<const Attr *>(this);
|
| + if (attr->ownerElement())
|
| + return attr->ownerElement()->lookupPrefix(namespaceURI);
|
| + return String();
|
| + }
|
| + default:
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->lookupPrefix(namespaceURI);
|
| + return String();
|
| + }
|
| +}
|
| +
|
| +String Node::lookupNamespaceURI(const String &prefix) const
|
| +{
|
| + // Implemented according to
|
| + // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/namespaces-algorithms.html#lookupNamespaceURIAlgo
|
| +
|
| + if (!prefix.isNull() && prefix.isEmpty())
|
| + return String();
|
| +
|
| + switch (nodeType()) {
|
| + case ELEMENT_NODE: {
|
| + const Element *elem = static_cast<const Element *>(this);
|
| +
|
| + if (!elem->namespaceURI().isNull() && elem->prefix() == prefix)
|
| + return elem->namespaceURI();
|
| +
|
| + if (elem->hasAttributes()) {
|
| + NamedAttrMap *attrs = elem->attributes();
|
| +
|
| + for (unsigned i = 0; i < attrs->length(); i++) {
|
| + Attribute *attr = attrs->attributeItem(i);
|
| +
|
| + if (attr->prefix() == "xmlns" && attr->localName() == prefix) {
|
| + if (!attr->value().isEmpty())
|
| + return attr->value();
|
| +
|
| + return String();
|
| + } else if (attr->localName() == "xmlns" && prefix.isNull()) {
|
| + if (!attr->value().isEmpty())
|
| + return attr->value();
|
| +
|
| + return String();
|
| + }
|
| + }
|
| + }
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->lookupNamespaceURI(prefix);
|
| + return String();
|
| + }
|
| + case DOCUMENT_NODE:
|
| + if (Element* de = static_cast<const Document*>(this)->documentElement())
|
| + return de->lookupNamespaceURI(prefix);
|
| + return String();
|
| + case ENTITY_NODE:
|
| + case NOTATION_NODE:
|
| + case DOCUMENT_TYPE_NODE:
|
| + case DOCUMENT_FRAGMENT_NODE:
|
| + return String();
|
| + case ATTRIBUTE_NODE: {
|
| + const Attr *attr = static_cast<const Attr *>(this);
|
| +
|
| + if (attr->ownerElement())
|
| + return attr->ownerElement()->lookupNamespaceURI(prefix);
|
| + else
|
| + return String();
|
| + }
|
| + default:
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->lookupNamespaceURI(prefix);
|
| + return String();
|
| + }
|
| +}
|
| +
|
| +String Node::lookupNamespacePrefix(const AtomicString &_namespaceURI, const Element *originalElement) const
|
| +{
|
| + if (_namespaceURI.isNull())
|
| + return String();
|
| +
|
| + if (originalElement->lookupNamespaceURI(prefix()) == _namespaceURI)
|
| + return prefix();
|
| +
|
| + if (hasAttributes()) {
|
| + NamedAttrMap *attrs = attributes();
|
| +
|
| + for (unsigned i = 0; i < attrs->length(); i++) {
|
| + Attribute *attr = attrs->attributeItem(i);
|
| +
|
| + if (attr->prefix() == "xmlns" &&
|
| + attr->value() == _namespaceURI &&
|
| + originalElement->lookupNamespaceURI(attr->localName()) == _namespaceURI)
|
| + return attr->localName();
|
| + }
|
| + }
|
| +
|
| + if (Element* ancestor = ancestorElement())
|
| + return ancestor->lookupNamespacePrefix(_namespaceURI, originalElement);
|
| + return String();
|
| +}
|
| +
|
| +void Node::appendTextContent(bool convertBRsToNewlines, StringBuilder& content) const
|
| +{
|
| + switch (nodeType()) {
|
| + case TEXT_NODE:
|
| + case CDATA_SECTION_NODE:
|
| + case COMMENT_NODE:
|
| + content.append(static_cast<const CharacterData*>(this)->CharacterData::nodeValue());
|
| + break;
|
| +
|
| + case PROCESSING_INSTRUCTION_NODE:
|
| + content.append(static_cast<const ProcessingInstruction*>(this)->ProcessingInstruction::nodeValue());
|
| + break;
|
| +
|
| + case ELEMENT_NODE:
|
| + if (hasTagName(brTag) && convertBRsToNewlines) {
|
| + content.append('\n');
|
| + break;
|
| + }
|
| + // Fall through.
|
| + case ATTRIBUTE_NODE:
|
| + case ENTITY_NODE:
|
| + case ENTITY_REFERENCE_NODE:
|
| + case DOCUMENT_FRAGMENT_NODE:
|
| + content.setNonNull();
|
| +
|
| + for (Node *child = firstChild(); child; child = child->nextSibling()) {
|
| + if (child->nodeType() == COMMENT_NODE || child->nodeType() == PROCESSING_INSTRUCTION_NODE)
|
| + continue;
|
| +
|
| + child->appendTextContent(convertBRsToNewlines, content);
|
| + }
|
| + break;
|
| +
|
| + case DOCUMENT_NODE:
|
| + case DOCUMENT_TYPE_NODE:
|
| + case NOTATION_NODE:
|
| + case XPATH_NAMESPACE_NODE:
|
| + break;
|
| + }
|
| +}
|
| +
|
| +String Node::textContent(bool convertBRsToNewlines) const
|
| +{
|
| + StringBuilder content;
|
| + appendTextContent(convertBRsToNewlines, content);
|
| + return content.toString();
|
| +}
|
| +
|
| +void Node::setTextContent(const String &text, ExceptionCode& ec)
|
| +{
|
| + switch (nodeType()) {
|
| + case TEXT_NODE:
|
| + case CDATA_SECTION_NODE:
|
| + case COMMENT_NODE:
|
| + case PROCESSING_INSTRUCTION_NODE:
|
| + setNodeValue(text, ec);
|
| + break;
|
| + case ELEMENT_NODE:
|
| + case ATTRIBUTE_NODE:
|
| + case ENTITY_NODE:
|
| + case ENTITY_REFERENCE_NODE:
|
| + case DOCUMENT_FRAGMENT_NODE: {
|
| + ContainerNode *container = static_cast<ContainerNode *>(this);
|
| +
|
| + container->removeChildren();
|
| +
|
| + if (!text.isEmpty())
|
| + appendChild(document()->createTextNode(text), ec);
|
| + break;
|
| + }
|
| + case DOCUMENT_NODE:
|
| + case DOCUMENT_TYPE_NODE:
|
| + case NOTATION_NODE:
|
| + default:
|
| + // Do nothing
|
| + break;
|
| + }
|
| +}
|
| +
|
| +Element* Node::ancestorElement() const
|
| +{
|
| + // In theory, there can be EntityReference nodes between elements, but this is currently not supported.
|
| + for (Node* n = parentNode(); n; n = n->parentNode()) {
|
| + if (n->isElementNode())
|
| + return static_cast<Element*>(n);
|
| + }
|
| + return 0;
|
| +}
|
| +
|
| +bool Node::offsetInCharacters() const
|
| +{
|
| + return false;
|
| +}
|
| +
|
| +unsigned short Node::compareDocumentPosition(Node* otherNode)
|
| +{
|
| + // It is not clear what should be done if |otherNode| is 0.
|
| + if (!otherNode)
|
| + return DOCUMENT_POSITION_DISCONNECTED;
|
| +
|
| + if (otherNode == this)
|
| + return DOCUMENT_POSITION_EQUIVALENT;
|
| +
|
| + Attr* attr1 = nodeType() == ATTRIBUTE_NODE ? static_cast<Attr*>(this) : 0;
|
| + Attr* attr2 = otherNode->nodeType() == ATTRIBUTE_NODE ? static_cast<Attr*>(otherNode) : 0;
|
| +
|
| + Node* start1 = attr1 ? attr1->ownerElement() : this;
|
| + Node* start2 = attr2 ? attr2->ownerElement() : otherNode;
|
| +
|
| + // If either of start1 or start2 is null, then we are disconnected, since one of the nodes is
|
| + // an orphaned attribute node.
|
| + if (!start1 || !start2)
|
| + return DOCUMENT_POSITION_DISCONNECTED | DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC;
|
| +
|
| + Vector<Node*, 16> chain1;
|
| + Vector<Node*, 16> chain2;
|
| + if (attr1)
|
| + chain1.append(attr1);
|
| + if (attr2)
|
| + chain2.append(attr2);
|
| +
|
| + if (attr1 && attr2 && start1 == start2 && start1) {
|
| + // We are comparing two attributes on the same node. Crawl our attribute map
|
| + // and see which one we hit first.
|
| + NamedAttrMap* map = attr1->ownerElement()->attributes(true);
|
| + unsigned length = map->length();
|
| + for (unsigned i = 0; i < length; ++i) {
|
| + // If neither of the two determining nodes is a child node and nodeType is the same for both determining nodes, then an
|
| + // implementation-dependent order between the determining nodes is returned. This order is stable as long as no nodes of
|
| + // the same nodeType are inserted into or removed from the direct container. This would be the case, for example,
|
| + // when comparing two attributes of the same element, and inserting or removing additional attributes might change
|
| + // the order between existing attributes.
|
| + Attribute* attr = map->attributeItem(i);
|
| + if (attr1->attr() == attr)
|
| + return DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC | DOCUMENT_POSITION_FOLLOWING;
|
| + if (attr2->attr() == attr)
|
| + return DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC | DOCUMENT_POSITION_PRECEDING;
|
| + }
|
| +
|
| + ASSERT_NOT_REACHED();
|
| + return DOCUMENT_POSITION_DISCONNECTED;
|
| + }
|
| +
|
| + // If one node is in the document and the other is not, we must be disconnected.
|
| + // If the nodes have different owning documents, they must be disconnected. Note that we avoid
|
| + // comparing Attr nodes here, since they return false from inDocument() all the time (which seems like a bug).
|
| + if (start1->inDocument() != start2->inDocument() ||
|
| + start1->document() != start2->document())
|
| + return DOCUMENT_POSITION_DISCONNECTED | DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC;
|
| +
|
| + // We need to find a common ancestor container, and then compare the indices of the two immediate children.
|
| + Node* current;
|
| + for (current = start1; current; current = current->parentNode())
|
| + chain1.append(current);
|
| + for (current = start2; current; current = current->parentNode())
|
| + chain2.append(current);
|
| +
|
| + // Walk the two chains backwards and look for the first difference.
|
| + unsigned index1 = chain1.size();
|
| + unsigned index2 = chain2.size();
|
| + for (unsigned i = min(index1, index2); i; --i) {
|
| + Node* child1 = chain1[--index1];
|
| + Node* child2 = chain2[--index2];
|
| + if (child1 != child2) {
|
| + // If one of the children is an attribute, it wins.
|
| + if (child1->nodeType() == ATTRIBUTE_NODE)
|
| + return DOCUMENT_POSITION_FOLLOWING;
|
| + if (child2->nodeType() == ATTRIBUTE_NODE)
|
| + return DOCUMENT_POSITION_PRECEDING;
|
| +
|
| + if (!child2->nextSibling())
|
| + return DOCUMENT_POSITION_FOLLOWING;
|
| + if (!child1->nextSibling())
|
| + return DOCUMENT_POSITION_PRECEDING;
|
| +
|
| + // Otherwise we need to see which node occurs first. Crawl backwards from child2 looking for child1.
|
| + for (Node* child = child2->previousSibling(); child; child = child->previousSibling()) {
|
| + if (child == child1)
|
| + return DOCUMENT_POSITION_FOLLOWING;
|
| + }
|
| + return DOCUMENT_POSITION_PRECEDING;
|
| + }
|
| + }
|
| +
|
| + // There was no difference between the two parent chains, i.e., one was a subset of the other. The shorter
|
| + // chain is the ancestor.
|
| + return index1 < index2 ?
|
| + DOCUMENT_POSITION_FOLLOWING | DOCUMENT_POSITION_CONTAINED_BY :
|
| + DOCUMENT_POSITION_PRECEDING | DOCUMENT_POSITION_CONTAINS;
|
| +}
|
| +
|
| +#ifndef NDEBUG
|
| +
|
| +static void appendAttributeDesc(const Node* node, String& string, const QualifiedName& name, const char* attrDesc)
|
| +{
|
| + if (node->isElementNode()) {
|
| + String attr = static_cast<const Element*>(node)->getAttribute(name);
|
| + if (!attr.isEmpty()) {
|
| + string += attrDesc;
|
| + string += attr;
|
| + }
|
| + }
|
| +}
|
| +
|
| +void Node::showNode(const char* prefix) const
|
| +{
|
| + if (!prefix)
|
| + prefix = "";
|
| + if (isTextNode()) {
|
| + String value = nodeValue();
|
| + value.replace('\\', "\\\\");
|
| + value.replace('\n', "\\n");
|
| + fprintf(stderr, "%s%s\t%p \"%s\"\n", prefix, nodeName().utf8().data(), this, value.utf8().data());
|
| + } else {
|
| + String attrs = "";
|
| + appendAttributeDesc(this, attrs, classAttr, " CLASS=");
|
| + appendAttributeDesc(this, attrs, styleAttr, " STYLE=");
|
| + fprintf(stderr, "%s%s\t%p%s\n", prefix, nodeName().utf8().data(), this, attrs.utf8().data());
|
| + }
|
| +}
|
| +
|
| +void Node::showTreeForThis() const
|
| +{
|
| + showTreeAndMark(this, "*");
|
| +}
|
| +
|
| +void Node::showTreeAndMark(const Node* markedNode1, const char* markedLabel1, const Node* markedNode2, const char * markedLabel2) const
|
| +{
|
| + const Node* rootNode;
|
| + const Node* node = this;
|
| + while (node->parentNode() && !node->hasTagName(bodyTag))
|
| + node = node->parentNode();
|
| + rootNode = node;
|
| +
|
| + for (node = rootNode; node; node = node->traverseNextNode()) {
|
| + if (node == markedNode1)
|
| + fprintf(stderr, "%s", markedLabel1);
|
| + if (node == markedNode2)
|
| + fprintf(stderr, "%s", markedLabel2);
|
| +
|
| + for (const Node* tmpNode = node; tmpNode && tmpNode != rootNode; tmpNode = tmpNode->parentNode())
|
| + fprintf(stderr, "\t");
|
| + node->showNode();
|
| + }
|
| +}
|
| +
|
| +void Node::formatForDebugger(char* buffer, unsigned length) const
|
| +{
|
| + String result;
|
| + String s;
|
| +
|
| + s = nodeName();
|
| + if (s.length() == 0)
|
| + result += "<none>";
|
| + else
|
| + result += s;
|
| +
|
| + strncpy(buffer, result.utf8().data(), length - 1);
|
| +}
|
| +
|
| +#endif
|
| +
|
| +// --------
|
| +
|
| +void NodeListsNodeData::invalidateCaches()
|
| +{
|
| + m_childNodeListCaches.reset();
|
| + TagCacheMap::const_iterator tagCachesEnd = m_tagNodeListCaches.end();
|
| + for (TagCacheMap::const_iterator it = m_tagNodeListCaches.begin(); it != tagCachesEnd; ++it)
|
| + it->second->reset();
|
| + invalidateCachesThatDependOnAttributes();
|
| +}
|
| +
|
| +void NodeListsNodeData::invalidateCachesThatDependOnAttributes()
|
| +{
|
| + CacheMap::iterator classCachesEnd = m_classNodeListCaches.end();
|
| + for (CacheMap::iterator it = m_classNodeListCaches.begin(); it != classCachesEnd; ++it)
|
| + it->second->reset();
|
| +
|
| + CacheMap::iterator nameCachesEnd = m_nameNodeListCaches.end();
|
| + for (CacheMap::iterator it = m_nameNodeListCaches.begin(); it != nameCachesEnd; ++it)
|
| + it->second->reset();
|
| +}
|
| +
|
| +bool NodeListsNodeData::isEmpty() const
|
| +{
|
| + if (!m_listsWithCaches.isEmpty())
|
| + return false;
|
| +
|
| + if (m_childNodeListCaches.refCount)
|
| + return false;
|
| +
|
| + TagCacheMap::const_iterator tagCachesEnd = m_tagNodeListCaches.end();
|
| + for (TagCacheMap::const_iterator it = m_tagNodeListCaches.begin(); it != tagCachesEnd; ++it) {
|
| + if (it->second->refCount)
|
| + return false;
|
| + }
|
| +
|
| + CacheMap::const_iterator classCachesEnd = m_classNodeListCaches.end();
|
| + for (CacheMap::const_iterator it = m_classNodeListCaches.begin(); it != classCachesEnd; ++it) {
|
| + if (it->second->refCount)
|
| + return false;
|
| + }
|
| +
|
| + CacheMap::const_iterator nameCachesEnd = m_nameNodeListCaches.end();
|
| + for (CacheMap::const_iterator it = m_nameNodeListCaches.begin(); it != nameCachesEnd; ++it) {
|
| + if (it->second->refCount)
|
| + return false;
|
| + }
|
| +
|
| + return true;
|
| +}
|
| +
|
| +void Node::getSubresourceURLs(ListHashSet<KURL>& urls) const
|
| +{
|
| + addSubresourceAttributeURLs(urls);
|
| +}
|
| +
|
| +ContainerNode* Node::eventParentNode()
|
| +{
|
| + Node* parent = parentNode();
|
| + ASSERT(!parent || parent->isContainerNode());
|
| + return static_cast<ContainerNode*>(parent);
|
| +}
|
| +
|
| +// --------
|
| +
|
| +} // namespace WebCore
|
| +
|
| +#ifndef NDEBUG
|
| +
|
| +void showTree(const WebCore::Node* node)
|
| +{
|
| + if (node)
|
| + node->showTreeForThis();
|
| +}
|
| +
|
| +#endif
|
| +
|
|
|
Chromium Code Reviews
Issue 21165:
Revert the merge. Mac build is mysteriously broken. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/