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;
}
}
bool HTMLElement::rendererIsNeeded(const NodeRenderingContext& context)
{
if (hasLocalName(noscriptTag)) {
Frame* frame = document()->frame();
if (frame && frame->script()->canExecuteScripts(NotAboutToExecuteScript))
return false;
} else if (hasLocalName(noembedTag)) {
Frame* frame = document()->frame();
if (frame && frame->loader()->subframeLoader()->allowPlugins(NotAboutToInstantiatePlugin))
return false;
}
return StyledElement::rendererIsNeeded(context);
}
bool HTMLElement::rendererIsNeeded(const RenderStyle& style)
{
if (hasLocalName(noscriptTag)) {
Frame* frame = document().frame();
if (frame && frame->script().canExecuteScripts(NotAboutToExecuteScript))
return false;
} else if (hasLocalName(noembedTag)) {
Frame* frame = document().frame();
if (frame && frame->loader().allowPlugins(NotAboutToInstantiatePlugin))
return false;
}
return Element::rendererIsNeeded(style);
}
void HTMLElement::setInnerText(const String& text, ExceptionCode& ec)
{
if (ieForbidsInsertHTML()) {
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 = textToFragment(text, ec);
if (!ec)
replaceChildrenWithFragment(this, fragment.release(), ec);
}
void HTMLElement::setInnerHTML(const String& html, ExceptionCode& ec)
{
if (hasLocalName(scriptTag) || hasLocalName(styleTag)) {
// Script and CSS source shouldn't be parsed as HTML.
removeChildren();
appendChild(document()->createTextNode(html), ec);
return;
}
RefPtr<DocumentFragment> fragment = createContextualFragment(html);
if (!fragment) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
replaceChildrenWithFragment(this, fragment.release(), ec);
}
void HTMLElement::setOuterText(const String &text, ExceptionState& exceptionState)
{
if (ieForbidsInsertHTML()) {
exceptionState.throwDOMException(NoModificationAllowedError, "The '" + localName() + "' element does not support text insertion.");
return;
}
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
hasLocalName(trTag)) {
exceptionState.throwDOMException(NoModificationAllowedError, "The '" + localName() + "' element does not support text insertion.");
return;
}
ContainerNode* parent = parentNode();
if (!parent) {
exceptionState.throwDOMException(NoModificationAllowedError, "The element has no parent.");
return;
}
RefPtr<Node> prev = previousSibling();
RefPtr<Node> next = nextSibling();
RefPtr<Node> newChild;
// Convert text to fragment with <br> tags instead of linebreaks if needed.
if (text.contains('\r') || text.contains('\n'))
newChild = textToFragment(text, exceptionState);
else
newChild = Text::create(document(), text);
// textToFragment might cause mutation events.
if (!this || !parentNode())
exceptionState.throwDOMException(HierarchyRequestError, "The element has no parent.");
if (exceptionState.hadException())
return;
parent->replaceChild(newChild.release(), this, exceptionState);
RefPtr<Node> node = next ? next->previousSibling() : 0;
if (!exceptionState.hadException() && node && node->isTextNode())
mergeWithNextTextNode(node.release(), exceptionState);
if (!exceptionState.hadException() && prev && prev->isTextNode())
mergeWithNextTextNode(prev.release(), exceptionState);
}
void HTMLElement::setInnerHTML(const String& html, ExceptionState& es)
{
if (RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(html, this, AllowScriptingContent, es)) {
ContainerNode* container = this;
if (hasLocalName(templateTag))
container = toHTMLTemplateElement(this)->content();
replaceChildrenWithFragment(container, fragment.release(), es);
}
}
void HTMLElement::setOuterText(const String &text, ExceptionCode& ec)
{
if (ieForbidsInsertHTML()) {
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;
}
ContainerNode* parent = parentNode();
if (!parent) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
RefPtr<Node> prev = previousSibling();
RefPtr<Node> next = nextSibling();
RefPtr<Node> newChild;
ec = 0;
// Convert text to fragment with <br> tags instead of linebreaks if needed.
if (text.contains('\r') || text.contains('\n'))
newChild = textToFragment(text, ec);
else
newChild = Text::create(document(), text);
if (!this || !parentNode())
ec = HIERARCHY_REQUEST_ERR;
if (ec)
return;
parent->replaceChild(newChild.release(), this, ec);
RefPtr<Node> node = next ? next->previousSibling() : 0;
if (!ec && node && node->isTextNode())
mergeWithNextTextNode(node.release(), ec);
if (!ec && prev && prev->isTextNode())
mergeWithNextTextNode(prev.release(), ec);
}
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);
}
void HTMLElement::setInnerHTML(const String& html, ExceptionCode& ec)
{
if (RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(html, this, AllowScriptingContent, ec)) {
ContainerNode* container = this;
#if ENABLE(TEMPLATE_ELEMENT)
if (hasLocalName(templateTag))
container = toHTMLTemplateElement(this)->content();
#endif
replaceChildrenWithFragment(container, fragment.release(), ec);
}
}
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);
}
PassRefPtr<DocumentFragment> HTMLElement::createContextualFragment(const String& markup, FragmentScriptingPermission scriptingPermission)
{
// 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;
return Element::createContextualFragment(markup, scriptingPermission);
}
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();
}
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 updateRendering?
// 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::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) {
setInlineEventListenerForTypeAndAttribute(eventNames().clickEvent, attr);
} else if (attr->name() == oncontextmenuAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().contextmenuEvent, attr);
} else if (attr->name() == ondblclickAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dblclickEvent, attr);
} else if (attr->name() == onmousedownAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mousedownEvent, attr);
} else if (attr->name() == onmousemoveAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mousemoveEvent, attr);
} else if (attr->name() == onmouseoutAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mouseoutEvent, attr);
} else if (attr->name() == onmouseoverAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mouseoverEvent, attr);
} else if (attr->name() == onmouseupAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mouseupEvent, attr);
} else if (attr->name() == onmousewheelAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().mousewheelEvent, attr);
} else if (attr->name() == onfocusAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().focusEvent, attr);
} else if (attr->name() == onblurAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().blurEvent, attr);
} else if (attr->name() == onkeydownAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().keydownEvent, attr);
} else if (attr->name() == onkeypressAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().keypressEvent, attr);
} else if (attr->name() == onkeyupAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().keyupEvent, attr);
} else if (attr->name() == onscrollAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().scrollEvent, attr);
} else if (attr->name() == onbeforecutAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().beforecutEvent, attr);
} else if (attr->name() == oncutAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().cutEvent, attr);
} else if (attr->name() == onbeforecopyAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().beforecopyEvent, attr);
} else if (attr->name() == oncopyAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().copyEvent, attr);
} else if (attr->name() == onbeforepasteAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().beforepasteEvent, attr);
} else if (attr->name() == onpasteAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().pasteEvent, attr);
} else if (attr->name() == ondragenterAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragenterEvent, attr);
} else if (attr->name() == ondragoverAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragoverEvent, attr);
} else if (attr->name() == ondragleaveAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragleaveEvent, attr);
} else if (attr->name() == ondropAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dropEvent, attr);
} else if (attr->name() == ondragstartAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragstartEvent, attr);
} else if (attr->name() == ondragAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragEvent, attr);
} else if (attr->name() == ondragendAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().dragendEvent, attr);
} else if (attr->name() == onselectstartAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().selectstartEvent, attr);
} else if (attr->name() == onsubmitAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().submitEvent, attr);
} else if (attr->name() == onerrorAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().errorEvent, attr);
} else if (attr->name() == onwebkitanimationstartAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationStartEvent, attr);
} else if (attr->name() == onwebkitanimationiterationAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationIterationEvent, attr);
} else if (attr->name() == onwebkitanimationendAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().webkitAnimationEndEvent, attr);
} else if (attr->name() == onwebkittransitionendAttr) {
setInlineEventListenerForTypeAndAttribute(eventNames().webkitTransitionEndEvent, attr);
}
}
RenderObject* HTMLElement::createRenderer(RenderArena* arena, RenderStyle* style)
{
if (hasLocalName(wbrTag))
return new (arena) RenderWordBreak(this);
return RenderObject::createObject(this, style);
}
bool HTMLElement::checkDTD(const Node* newChild)
{
if (hasLocalName(addressTag) && newChild->hasTagName(pTag))
return true;
return inEitherTagList(newChild);
}