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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* 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 "HTMLElement.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "DocumentFragment.h"
#include "Event.h"
#include "EventListener.h"
#include "EventNames.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "HTMLBRElement.h"
#include "HTMLCollection.h"
#include "HTMLDocument.h"
#include "HTMLElementFactory.h"
#include "HTMLFormElement.h"
#include "HTMLNames.h"
#include "HTMLTokenizer.h"
#include "MappedAttribute.h"
#include "RenderWordBreak.h"
#include "ScriptEventListener.h"
#include "Settings.h"
#include "Text.h"
#include "TextIterator.h"
#include "XMLTokenizer.h"
#include "markup.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
using namespace HTMLNames;
using std::min;
using std::max;
HTMLElement::HTMLElement(const QualifiedName& tagName, Document *doc)
: StyledElement(tagName, doc)
{
}
HTMLElement::~HTMLElement()
{
}
String HTMLElement::nodeName() const
{
// FIXME: Would be nice to have an atomicstring lookup based off uppercase chars that does not have to copy
// the string on a hit in the hash.
// FIXME: We should have a way to detect XHTML elements and replace the hasPrefix() check with it.
if (document()->isHTMLDocument() && !tagQName().hasPrefix())
return tagQName().localName().string().upper();
return Element::nodeName();
}
HTMLTagStatus HTMLElement::endTagRequirement() const
{
if (hasLocalName(wbrTag))
return TagStatusForbidden;
if (hasLocalName(dtTag) || hasLocalName(ddTag) || hasLocalName(rpTag) || hasLocalName(rtTag))
return TagStatusOptional;
// Same values as <span>. This way custom tag name elements will behave like inline spans.
return TagStatusRequired;
}
int HTMLElement::tagPriority() const
{
if (hasLocalName(wbrTag))
return 0;
if (hasLocalName(addressTag) || hasLocalName(ddTag) || hasLocalName(dtTag) || hasLocalName(noscriptTag) || hasLocalName(rpTag) || hasLocalName(rtTag))
return 3;
if (hasLocalName(centerTag) || hasLocalName(nobrTag) || hasLocalName(rubyTag))
return 5;
if (hasLocalName(noembedTag) || hasLocalName(noframesTag))
return 10;
// Same values as <span>. This way custom tag name elements will behave like inline spans.
return 1;
}
bool HTMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
{
if (attrName == alignAttr ||
attrName == contenteditableAttr) {
result = eUniversal;
return false;
}
if (attrName == dirAttr) {
result = hasLocalName(bdoTag) ? eBDO : eUniversal;
return false;
}
return StyledElement::mapToEntry(attrName, result);
}
void HTMLElement::parseMappedAttribute(MappedAttribute *attr)
{
if (attr->name() == idAttr || attr->name() == classAttr || attr->name() == styleAttr)
return StyledElement::parseMappedAttribute(attr);
String indexstring;
if (attr->name() == alignAttr) {
if (equalIgnoringCase(attr->value(), "middle"))
addCSSProperty(attr, CSSPropertyTextAlign, "center");
else
addCSSProperty(attr, CSSPropertyTextAlign, attr->value());
} else if (attr->name() == contenteditableAttr) {
setContentEditable(attr);
} else if (attr->name() == tabindexAttr) {
indexstring = getAttribute(tabindexAttr);
if (indexstring.length()) {
bool parsedOK;
int tabindex = indexstring.toIntStrict(&parsedOK);
if (parsedOK)
// Clamp tabindex to the range of 'short' to match Firefox's behavior.
setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
}
} else if (attr->name() == langAttr) {
// FIXME: Implement
} else if (attr->name() == dirAttr) {
addCSSProperty(attr, CSSPropertyDirection, attr->value());
addCSSProperty(attr, CSSPropertyUnicodeBidi, hasLocalName(bdoTag) ? CSSValueBidiOverride : CSSValueEmbed);
}
// standard events
else if (attr->name() == onclickAttr) {
setAttributeEventListener(eventNames().clickEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == oncontextmenuAttr) {
setAttributeEventListener(eventNames().contextmenuEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondblclickAttr) {
setAttributeEventListener(eventNames().dblclickEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmousedownAttr) {
setAttributeEventListener(eventNames().mousedownEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmousemoveAttr) {
setAttributeEventListener(eventNames().mousemoveEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmouseoutAttr) {
setAttributeEventListener(eventNames().mouseoutEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmouseoverAttr) {
setAttributeEventListener(eventNames().mouseoverEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmouseupAttr) {
setAttributeEventListener(eventNames().mouseupEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onmousewheelAttr) {
setAttributeEventListener(eventNames().mousewheelEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onfocusAttr) {
setAttributeEventListener(eventNames().focusEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onblurAttr) {
setAttributeEventListener(eventNames().blurEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onkeydownAttr) {
setAttributeEventListener(eventNames().keydownEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onkeypressAttr) {
setAttributeEventListener(eventNames().keypressEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onkeyupAttr) {
setAttributeEventListener(eventNames().keyupEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onscrollAttr) {
setAttributeEventListener(eventNames().scrollEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onbeforecutAttr) {
setAttributeEventListener(eventNames().beforecutEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == oncutAttr) {
setAttributeEventListener(eventNames().cutEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onbeforecopyAttr) {
setAttributeEventListener(eventNames().beforecopyEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == oncopyAttr) {
setAttributeEventListener(eventNames().copyEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onbeforepasteAttr) {
setAttributeEventListener(eventNames().beforepasteEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onpasteAttr) {
setAttributeEventListener(eventNames().pasteEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragenterAttr) {
setAttributeEventListener(eventNames().dragenterEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragoverAttr) {
setAttributeEventListener(eventNames().dragoverEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragleaveAttr) {
setAttributeEventListener(eventNames().dragleaveEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondropAttr) {
setAttributeEventListener(eventNames().dropEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragstartAttr) {
setAttributeEventListener(eventNames().dragstartEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragAttr) {
setAttributeEventListener(eventNames().dragEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == ondragendAttr) {
setAttributeEventListener(eventNames().dragendEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onselectstartAttr) {
setAttributeEventListener(eventNames().selectstartEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onsubmitAttr) {
setAttributeEventListener(eventNames().submitEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onerrorAttr) {
setAttributeEventListener(eventNames().errorEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onwebkitanimationstartAttr) {
setAttributeEventListener(eventNames().webkitAnimationStartEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onwebkitanimationiterationAttr) {
setAttributeEventListener(eventNames().webkitAnimationIterationEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onwebkitanimationendAttr) {
setAttributeEventListener(eventNames().webkitAnimationEndEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == onwebkittransitionendAttr) {
setAttributeEventListener(eventNames().webkitTransitionEndEvent, createAttributeEventListener(this, attr));
} else if (attr->name() == oninputAttr) {
setAttributeEventListener(eventNames().inputEvent, createAttributeEventListener(this, attr));
}
}
String HTMLElement::innerHTML() const
{
return createMarkup(this, ChildrenOnly);
}
String HTMLElement::outerHTML() const
{
return createMarkup(this);
}
PassRefPtr<DocumentFragment> HTMLElement::createContextualFragment(const String &html)
{
// the following is in accordance with the definition as used by IE
if (endTagRequirement() == TagStatusForbidden)
return 0;
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(styleTag) || hasLocalName(titleTag))
return 0;
RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
if (document()->isHTMLDocument())
parseHTMLDocumentFragment(html, fragment.get());
else {
if (!parseXMLDocumentFragment(html, fragment.get(), this))
// FIXME: We should propagate a syntax error exception out here.
return 0;
}
// Exceptions are ignored because none ought to happen here.
int ignoredExceptionCode;
// we need to pop <html> and <body> elements and remove <head> to
// accommodate folks passing complete HTML documents to make the
// child of an element.
RefPtr<Node> nextNode;
for (RefPtr<Node> node = fragment->firstChild(); node; node = nextNode) {
nextNode = node->nextSibling();
if (node->hasTagName(htmlTag) || node->hasTagName(bodyTag)) {
Node *firstChild = node->firstChild();
if (firstChild)
nextNode = firstChild;
RefPtr<Node> nextChild;
for (RefPtr<Node> child = firstChild; child; child = nextChild) {
nextChild = child->nextSibling();
node->removeChild(child.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
fragment->insertBefore(child, node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
}
fragment->removeChild(node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
} else if (node->hasTagName(headTag)) {
fragment->removeChild(node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
}
}
return fragment.release();
}
static inline bool hasOneChild(ContainerNode* node)
{
Node* firstChild = node->firstChild();
return firstChild && !firstChild->nextSibling();
}
static inline bool hasOneTextChild(ContainerNode* node)
{
return hasOneChild(node) && node->firstChild()->isTextNode();
}
static void replaceChildrenWithFragment(HTMLElement* element, PassRefPtr<DocumentFragment> fragment, ExceptionCode& ec)
{
if (!fragment->firstChild()) {
element->removeChildren();
return;
}
if (hasOneTextChild(element) && hasOneTextChild(fragment.get())) {
static_cast<Text*>(element->firstChild())->setData(static_cast<Text*>(fragment->firstChild())->string(), ec);
return;
}
if (hasOneChild(element)) {
element->replaceChild(fragment, element->firstChild(), ec);
return;
}
element->removeChildren();
element->appendChild(fragment, ec);
}
static void replaceChildrenWithText(HTMLElement* element, const String& text, ExceptionCode& ec)
{
if (hasOneTextChild(element)) {
static_cast<Text*>(element->firstChild())->setData(text, ec);
return;
}
RefPtr<Text> textNode = new Text(element->document(), text);
if (hasOneChild(element)) {
element->replaceChild(textNode.release(), element->firstChild(), ec);
return;
}
element->removeChildren();
element->appendChild(textNode.release(), ec);
}
void HTMLElement::setInnerHTML(const String& html, ExceptionCode& ec)
{
RefPtr<DocumentFragment> fragment = createContextualFragment(html);
if (!fragment) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
replaceChildrenWithFragment(this, fragment.release(), ec);
}
void HTMLElement::setOuterHTML(const String& html, ExceptionCode& ec)
{
Node* p = parent();
if (!p || !p->isHTMLElement()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
HTMLElement* parent = static_cast<HTMLElement*>(p);
RefPtr<DocumentFragment> fragment = parent->createContextualFragment(html);
if (!fragment) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
// FIXME: Why doesn't this have code to merge neighboring text nodes the way setOuterText does?
parent->replaceChild(fragment.release(), this, ec);
}
void HTMLElement::setInnerText(const String& text, ExceptionCode& ec)
{
// follow the IE specs about when this is allowed
if (endTagRequirement() == TagStatusForbidden) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
hasLocalName(trTag)) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
// FIXME: This doesn't take whitespace collapsing into account at all.
if (!text.contains('\n') && !text.contains('\r')) {
if (text.isEmpty()) {
removeChildren();
return;
}
replaceChildrenWithText(this, text, ec);
return;
}
// FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer?
// FIXME: Can the renderer be out of date here? Do we need to call updateStyleIfNeeded?
// For example, for the contents of textarea elements that are display:none?
RenderObject* r = renderer();
if (r && r->style()->preserveNewline()) {
if (!text.contains('\r')) {
replaceChildrenWithText(this, text, ec);
return;
}
String textWithConsistentLineBreaks = text;
textWithConsistentLineBreaks.replace("\r\n", "\n");
textWithConsistentLineBreaks.replace('\r', '\n');
replaceChildrenWithText(this, textWithConsistentLineBreaks, ec);
return;
}
// Add text nodes and <br> elements.
ec = 0;
RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
int lineStart = 0;
UChar prev = 0;
int length = text.length();
for (int i = 0; i < length; ++i) {
UChar c = text[i];
if (c == '\n' || c == '\r') {
if (i > lineStart) {
fragment->appendChild(new Text(document(), text.substring(lineStart, i - lineStart)), ec);
if (ec)
return;
}
if (!(c == '\n' && i != 0 && prev == '\r')) {
fragment->appendChild(new HTMLBRElement(brTag, document()), ec);
if (ec)
return;
}
lineStart = i + 1;
}
prev = c;
}
if (length > lineStart)
fragment->appendChild(new Text(document(), text.substring(lineStart, length - lineStart)), ec);
replaceChildrenWithFragment(this, fragment.release(), ec);
}
void HTMLElement::setOuterText(const String &text, ExceptionCode& ec)
{
// follow the IE specs about when this is allowed
if (endTagRequirement() == TagStatusForbidden) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
hasLocalName(trTag)) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
Node* parent = parentNode();
if (!parent) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
// FIXME: This creates a new text node even when the text is empty.
// FIXME: This creates a single text node even when the text has CR and LF
// characters in it. Instead it should create <br> elements.
RefPtr<Text> t = new Text(document(), text);
ec = 0;
parent->replaceChild(t, this, ec);
if (ec)
return;
// is previous node a text node? if so, merge into it
Node* prev = t->previousSibling();
if (prev && prev->isTextNode()) {
Text* textPrev = static_cast<Text*>(prev);
textPrev->appendData(t->data(), ec);
if (ec)
return;
t->remove(ec);
if (ec)
return;
t = textPrev;
}
// is next node a text node? if so, merge it in
Node* next = t->nextSibling();
if (next && next->isTextNode()) {
Text* textNext = static_cast<Text*>(next);
t->appendData(textNext->data(), ec);
if (ec)
return;
textNext->remove(ec);
if (ec)
return;
}
}
Node* HTMLElement::insertAdjacent(const String& where, Node* newChild, ExceptionCode& ec)
{
// In Internet Explorer if the element has no parent and where is "beforeBegin" or "afterEnd",
// a document fragment is created and the elements appended in the correct order. This document
// fragment isn't returned anywhere.
//
// This is impossible for us to implement as the DOM tree does not allow for such structures,
// Opera also appears to disallow such usage.
if (equalIgnoringCase(where, "beforeBegin")) {
if (Node* p = parent())
return p->insertBefore(newChild, this, ec) ? newChild : 0;
return 0;
}
if (equalIgnoringCase(where, "afterBegin"))
return insertBefore(newChild, firstChild(), ec) ? newChild : 0;
if (equalIgnoringCase(where, "beforeEnd"))
return appendChild(newChild, ec) ? newChild : 0;
if (equalIgnoringCase(where, "afterEnd")) {
if (Node* p = parent())
return p->insertBefore(newChild, nextSibling(), ec) ? newChild : 0;
return 0;
}
// IE throws COM Exception E_INVALIDARG; this is the best DOM exception alternative
ec = NOT_SUPPORTED_ERR;
return 0;
}
Element* HTMLElement::insertAdjacentElement(const String& where, Element* newChild, ExceptionCode& ec)
{
if (!newChild) {
// IE throws COM Exception E_INVALIDARG; this is the best DOM exception alternative
ec = TYPE_MISMATCH_ERR;
return 0;
}
Node* returnValue = insertAdjacent(where, newChild, ec);
ASSERT(!returnValue || returnValue->isElementNode());
return static_cast<Element*>(returnValue);
}
void HTMLElement::insertAdjacentHTML(const String& where, const String& html, ExceptionCode& ec)
{
RefPtr<DocumentFragment> fragment = document()->createDocumentFragment();
if (document()->isHTMLDocument())
parseHTMLDocumentFragment(html, fragment.get());
else {
if (!parseXMLDocumentFragment(html, fragment.get(), this))
// FIXME: We should propagate a syntax error exception out here.
return;
}
insertAdjacent(where, fragment.get(), ec);
}
void HTMLElement::insertAdjacentText(const String& where, const String& text, ExceptionCode& ec)
{
RefPtr<Text> textNode = document()->createTextNode(text);
insertAdjacent(where, textNode.get(), ec);
}
void HTMLElement::addHTMLAlignment(MappedAttribute* attr)
{
addHTMLAlignmentToStyledElement(this, attr);
}
void HTMLElement::addHTMLAlignmentToStyledElement(StyledElement* element, MappedAttribute* attr)
{
// vertical alignment with respect to the current baseline of the text
// right or left means floating images
int floatValue = CSSValueInvalid;
int verticalAlignValue = CSSValueInvalid;
const AtomicString& alignment = attr->value();
if (equalIgnoringCase(alignment, "absmiddle"))
verticalAlignValue = CSSValueMiddle;
else if (equalIgnoringCase(alignment, "absbottom"))
verticalAlignValue = CSSValueBottom;
else if (equalIgnoringCase(alignment, "left")) {
floatValue = CSSValueLeft;
verticalAlignValue = CSSValueTop;
} else if (equalIgnoringCase(alignment, "right")) {
floatValue = CSSValueRight;
verticalAlignValue = CSSValueTop;
} else if (equalIgnoringCase(alignment, "top"))
verticalAlignValue = CSSValueTop;
else if (equalIgnoringCase(alignment, "middle"))
verticalAlignValue = CSSValueWebkitBaselineMiddle;
else if (equalIgnoringCase(alignment, "center"))
verticalAlignValue = CSSValueMiddle;
else if (equalIgnoringCase(alignment, "bottom"))
verticalAlignValue = CSSValueBaseline;
else if (equalIgnoringCase(alignment, "texttop"))
verticalAlignValue = CSSValueTextTop;
if (floatValue != CSSValueInvalid)
element->addCSSProperty(attr, CSSPropertyFloat, floatValue);
if (verticalAlignValue != CSSValueInvalid)
element->addCSSProperty(attr, CSSPropertyVerticalAlign, verticalAlignValue);
}
bool HTMLElement::isFocusable() const
{
return Element::isFocusable() || (isContentEditable() && parent() && !parent()->isContentEditable());
}
bool HTMLElement::isContentEditable() const
{
if (document()->frame() && document()->frame()->isContentEditable())
return true;
// FIXME: this is a terrible thing to do here:
// https://bugs.webkit.org/show_bug.cgi?id=21834
document()->updateStyleIfNeeded();
if (!renderer()) {
if (parentNode())
return parentNode()->isContentEditable();
else
return false;
}
return renderer()->style()->userModify() == READ_WRITE || renderer()->style()->userModify() == READ_WRITE_PLAINTEXT_ONLY;
}
bool HTMLElement::isContentRichlyEditable() const
{
if (document()->frame() && document()->frame()->isContentEditable())
return true;
document()->updateStyleIfNeeded();
if (!renderer()) {
if (parentNode())
return parentNode()->isContentEditable();
else
return false;
}
return renderer()->style()->userModify() == READ_WRITE;
}
String HTMLElement::contentEditable() const
{
document()->updateStyleIfNeeded();
if (!renderer())
return "false";
switch (renderer()->style()->userModify()) {
case READ_WRITE:
return "true";
case READ_ONLY:
return "false";
case READ_WRITE_PLAINTEXT_ONLY:
return "plaintext-only";
default:
return "inherit";
}
}
void HTMLElement::setContentEditable(MappedAttribute* attr)
{
const AtomicString& enabled = attr->value();
if (enabled.isEmpty() || equalIgnoringCase(enabled, "true")) {
addCSSProperty(attr, CSSPropertyWebkitUserModify, CSSValueReadWrite);
addCSSProperty(attr, CSSPropertyWordWrap, CSSValueBreakWord);
addCSSProperty(attr, CSSPropertyWebkitNbspMode, CSSValueSpace);
addCSSProperty(attr, CSSPropertyWebkitLineBreak, CSSValueAfterWhiteSpace);
} else if (equalIgnoringCase(enabled, "false")) {
addCSSProperty(attr, CSSPropertyWebkitUserModify, CSSValueReadOnly);
attr->decl()->removeProperty(CSSPropertyWordWrap, false);
attr->decl()->removeProperty(CSSPropertyWebkitNbspMode, false);
attr->decl()->removeProperty(CSSPropertyWebkitLineBreak, false);
} else if (equalIgnoringCase(enabled, "inherit")) {
addCSSProperty(attr, CSSPropertyWebkitUserModify, CSSValueInherit);
attr->decl()->removeProperty(CSSPropertyWordWrap, false);
attr->decl()->removeProperty(CSSPropertyWebkitNbspMode, false);
attr->decl()->removeProperty(CSSPropertyWebkitLineBreak, false);
} else if (equalIgnoringCase(enabled, "plaintext-only")) {
addCSSProperty(attr, CSSPropertyWebkitUserModify, CSSValueReadWritePlaintextOnly);
addCSSProperty(attr, CSSPropertyWordWrap, CSSValueBreakWord);
addCSSProperty(attr, CSSPropertyWebkitNbspMode, CSSValueSpace);
addCSSProperty(attr, CSSPropertyWebkitLineBreak, CSSValueAfterWhiteSpace);
}
}
void HTMLElement::setContentEditable(const String &enabled)
{
if (enabled == "inherit") {
ExceptionCode ec;
removeAttribute(contenteditableAttr, ec);
}
else
setAttribute(contenteditableAttr, enabled.isEmpty() ? "true" : enabled);
}
void HTMLElement::click()
{
dispatchSimulatedClick(0, false, false);
}
// accessKeyAction is used by the accessibility support code
// to send events to elements that our JavaScript caller does
// does not. The elements JS is interested in have subclasses
// that override this method to direct the click appropriately.
// Here in the base class, then, we only send the click if
// the caller wants it to go to any HTMLElement, and we say
// to send the mouse events in addition to the click.
void HTMLElement::accessKeyAction(bool sendToAnyElement)
{
if (sendToAnyElement)
dispatchSimulatedClick(0, true);
}
String HTMLElement::id() const
{
return getAttribute(idAttr);
}
void HTMLElement::setId(const String& value)
{
setAttribute(idAttr, value);
}
String HTMLElement::title() const
{
return getAttribute(titleAttr);
}
void HTMLElement::setTitle(const String& value)
{
setAttribute(titleAttr, value);
}
String HTMLElement::lang() const
{
return getAttribute(langAttr);
}
void HTMLElement::setLang(const String& value)
{
setAttribute(langAttr, value);
}
String HTMLElement::dir() const
{
return getAttribute(dirAttr);
}
void HTMLElement::setDir(const String &value)
{
setAttribute(dirAttr, value);
}
String HTMLElement::className() const
{
return getAttribute(classAttr);
}
void HTMLElement::setClassName(const String &value)
{
setAttribute(classAttr, value);
}
short HTMLElement::tabIndex() const
{
if (supportsFocus())
return Element::tabIndex();
return -1;
}
void HTMLElement::setTabIndex(int value)
{
setAttribute(tabindexAttr, String::number(value));
}
PassRefPtr<HTMLCollection> HTMLElement::children()
{
return HTMLCollection::create(this, NodeChildren);
}
// DOM Section 1.1.1
bool HTMLElement::childAllowed(Node *newChild)
{
if (!Element::childAllowed(newChild))
return false;
// For XML documents, we are non-validating and do not check against a DTD, even for HTML elements.
if (!document()->isHTMLDocument())
return true;
// Future-proof for XML content inside HTML documents (we may allow this some day).
if (newChild->isElementNode() && !newChild->isHTMLElement())
return true;
// Elements with forbidden tag status can never have children
if (endTagRequirement() == TagStatusForbidden)
return false;
// Comment nodes are always allowed.
if (newChild->isCommentNode())
return true;
// Now call checkDTD.
return checkDTD(newChild);
}
// DTD Stuff
// This unfortunate function is only needed when checking against the DTD. Other languages (like SVG) won't need this.
bool HTMLElement::isRecognizedTagName(const QualifiedName& tagName)
{
DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ());
if (tagList.isEmpty()) {
size_t tagCount = 0;
WebCore::QualifiedName** tags = HTMLNames::getHTMLTags(&tagCount);
for (size_t i = 0; i < tagCount; i++)
tagList.add(tags[i]->localName().impl());
}
return tagList.contains(tagName.localName().impl());
}
// The terms inline and block are used here loosely. Don't make the mistake of assuming all inlines or all blocks
// need to be in these two lists.
static HashSet<AtomicStringImpl*>* inlineTagList()
{
DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ());
if (tagList.isEmpty()) {
tagList.add(ttTag.localName().impl());
tagList.add(iTag.localName().impl());
tagList.add(bTag.localName().impl());
tagList.add(uTag.localName().impl());
tagList.add(sTag.localName().impl());
tagList.add(strikeTag.localName().impl());
tagList.add(bigTag.localName().impl());
tagList.add(smallTag.localName().impl());
tagList.add(emTag.localName().impl());
tagList.add(strongTag.localName().impl());
tagList.add(dfnTag.localName().impl());
tagList.add(codeTag.localName().impl());
tagList.add(sampTag.localName().impl());
tagList.add(kbdTag.localName().impl());
tagList.add(varTag.localName().impl());
tagList.add(citeTag.localName().impl());
tagList.add(abbrTag.localName().impl());
tagList.add(acronymTag.localName().impl());
tagList.add(aTag.localName().impl());
tagList.add(canvasTag.localName().impl());
tagList.add(imgTag.localName().impl());
tagList.add(appletTag.localName().impl());
tagList.add(objectTag.localName().impl());
tagList.add(embedTag.localName().impl());
tagList.add(fontTag.localName().impl());
tagList.add(basefontTag.localName().impl());
tagList.add(brTag.localName().impl());
tagList.add(scriptTag.localName().impl());
tagList.add(styleTag.localName().impl());
tagList.add(linkTag.localName().impl());
tagList.add(mapTag.localName().impl());
tagList.add(qTag.localName().impl());
tagList.add(subTag.localName().impl());
tagList.add(supTag.localName().impl());
tagList.add(spanTag.localName().impl());
tagList.add(bdoTag.localName().impl());
tagList.add(iframeTag.localName().impl());
tagList.add(inputTag.localName().impl());
tagList.add(keygenTag.localName().impl());
tagList.add(selectTag.localName().impl());
tagList.add(datagridTag.localName().impl());
tagList.add(textareaTag.localName().impl());
tagList.add(labelTag.localName().impl());
tagList.add(buttonTag.localName().impl());
tagList.add(insTag.localName().impl());
tagList.add(delTag.localName().impl());
tagList.add(nobrTag.localName().impl());
tagList.add(wbrTag.localName().impl());
#if ENABLE(VIDEO)
tagList.add(audioTag.localName().impl());
tagList.add(videoTag.localName().impl());
#endif
tagList.add(rpTag.localName().impl());
tagList.add(rtTag.localName().impl());
tagList.add(rubyTag.localName().impl());
}
return &tagList;
}
static HashSet<AtomicStringImpl*>* blockTagList()
{
DEFINE_STATIC_LOCAL(HashSet<AtomicStringImpl*>, tagList, ());
if (tagList.isEmpty()) {
tagList.add(addressTag.localName().impl());
tagList.add(blockquoteTag.localName().impl());
tagList.add(centerTag.localName().impl());
tagList.add(ddTag.localName().impl());
tagList.add(dirTag.localName().impl());
tagList.add(divTag.localName().impl());
tagList.add(dlTag.localName().impl());
tagList.add(dtTag.localName().impl());
tagList.add(fieldsetTag.localName().impl());
tagList.add(formTag.localName().impl());
tagList.add(h1Tag.localName().impl());
tagList.add(h2Tag.localName().impl());
tagList.add(h3Tag.localName().impl());
tagList.add(h4Tag.localName().impl());
tagList.add(h5Tag.localName().impl());
tagList.add(h6Tag.localName().impl());
tagList.add(hrTag.localName().impl());
tagList.add(isindexTag.localName().impl());
tagList.add(layerTag.localName().impl());
tagList.add(liTag.localName().impl());
tagList.add(listingTag.localName().impl());
tagList.add(marqueeTag.localName().impl());
tagList.add(menuTag.localName().impl());
tagList.add(noembedTag.localName().impl());
tagList.add(noframesTag.localName().impl());
tagList.add(nolayerTag.localName().impl());
tagList.add(noscriptTag.localName().impl());
tagList.add(olTag.localName().impl());
tagList.add(pTag.localName().impl());
tagList.add(plaintextTag.localName().impl());
tagList.add(preTag.localName().impl());
tagList.add(tableTag.localName().impl());
tagList.add(ulTag.localName().impl());
tagList.add(xmpTag.localName().impl());
}
return &tagList;
}
bool HTMLElement::inEitherTagList(const Node* newChild)
{
if (newChild->isTextNode())
return true;
if (newChild->isHTMLElement()) {
const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
if (inlineTagList()->contains(child->tagQName().localName().impl())) {
#if PLATFORM(MAC)
if (child->tagQName().localName() == styleTag) {
// Leopard Mail doesn't expect <style> to be in the body of the document, so don't allow it in that case.
// See <rdar://problem/6621310>
Settings* settings = newChild->document() ? newChild->document()->settings() : 0;
if (settings && settings->needsLeopardMailQuirks())
return false;
}
#endif
return true;
}
if (blockTagList()->contains(child->tagQName().localName().impl()))
return true;
return !isRecognizedTagName(child->tagQName()); // Accept custom html tags
}
return false;
}
bool HTMLElement::inInlineTagList(const Node* newChild)
{
if (newChild->isTextNode())
return true;
if (newChild->isHTMLElement()) {
const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
if (inlineTagList()->contains(child->tagQName().localName().impl()))
return true;
return !isRecognizedTagName(child->tagQName()); // Accept custom html tags
}
return false;
}
bool HTMLElement::inBlockTagList(const Node* newChild)
{
if (newChild->isTextNode())
return true;
if (newChild->isHTMLElement()) {
const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
return (blockTagList()->contains(child->tagQName().localName().impl()));
}
return false;
}
bool HTMLElement::checkDTD(const Node* newChild)
{
if (hasLocalName(addressTag) && newChild->hasTagName(pTag))
return true;
return inEitherTagList(newChild);
}
bool HTMLElement::rendererIsNeeded(RenderStyle *style)
{
#if !ENABLE(XHTMLMP)
if (hasLocalName(noscriptTag)) {
Settings* settings = document()->settings();
if (settings && settings->isJavaScriptEnabled())
return false;
}
#endif
return StyledElement::rendererIsNeeded(style);
}
RenderObject* HTMLElement::createRenderer(RenderArena* arena, RenderStyle* style)
{
if (hasLocalName(wbrTag))
return new (arena) RenderWordBreak(this);
return RenderObject::createObject(this, style);
}
HTMLFormElement* HTMLElement::findFormAncestor() const
{
for (Node* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode())
if (ancestor->hasTagName(formTag))
return static_cast<HTMLFormElement*>(ancestor);
return 0;
}
HTMLFormElement* HTMLElement::virtualForm() const
{
return findFormAncestor();
}
} // namespace WebCore
#ifndef NDEBUG
// For use in the debugger
void dumpInnerHTML(WebCore::HTMLElement*);
void dumpInnerHTML(WebCore::HTMLElement* element)
{
printf("%s\n", element->innerHTML().ascii().data());
}
#endif