| /* |
| * 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 |
