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Diffstat (limited to 'Source/WebCore/html/HTMLElement.cpp')
| -rw-r--r-- | Source/WebCore/html/HTMLElement.cpp | 892 |
1 files changed, 892 insertions, 0 deletions
diff --git a/Source/WebCore/html/HTMLElement.cpp b/Source/WebCore/html/HTMLElement.cpp new file mode 100644 index 0000000..22fc2f2 --- /dev/null +++ b/Source/WebCore/html/HTMLElement.cpp @@ -0,0 +1,892 @@ +/* + * 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 "Attribute.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 "HTMLParserIdioms.h" +#include "RenderWordBreak.h" +#include "ScriptEventListener.h" +#include "Settings.h" +#include "Text.h" +#include "TextIterator.h" +#include "markup.h" +#include <wtf/StdLibExtras.h> +#include <wtf/text/CString.h> + +namespace WebCore { + +using namespace HTMLNames; + +using std::min; +using std::max; + +PassRefPtr<HTMLElement> HTMLElement::create(const QualifiedName& tagName, Document* document) +{ + return adoptRef(new HTMLElement(tagName, document)); +} + +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().localNameUpper(); + return Element::nodeName(); +} + +bool HTMLElement::ieForbidsInsertHTML() const +{ + // FIXME: Supposedly IE disallows settting innerHTML, outerHTML + // and createContextualFragment on these tags. We have no tests to + // verify this however, so this list could be totally wrong. + // This list was moved from the previous endTagRequirement() implementation. + // This is also called from editing and assumed to be the list of tags + // for which no end tag should be serialized. It's unclear if the list for + // IE compat and the list for serialization sanity are the same. + if (hasLocalName(areaTag) + || hasLocalName(baseTag) + || hasLocalName(basefontTag) + || hasLocalName(brTag) + || hasLocalName(colTag) +#if ENABLE(DATAGRID) + || hasLocalName(dcellTag) + || hasLocalName(dcolTag) +#endif + || hasLocalName(embedTag) + || hasLocalName(frameTag) + || hasLocalName(hrTag) + || hasLocalName(imageTag) + || hasLocalName(imgTag) + || hasLocalName(inputTag) + || hasLocalName(isindexTag) + || hasLocalName(linkTag) + || hasLocalName(metaTag) + || hasLocalName(paramTag) + || hasLocalName(sourceTag) + || hasLocalName(wbrTag)) + return true; + // FIXME: I'm not sure why dashboard mode would want to change the + // serialization of <canvas>, that seems like a bad idea. +#if ENABLE(DASHBOARD_SUPPORT) + if (hasLocalName(canvasTag)) { + Settings* settings = document()->settings(); + if (settings && settings->usesDashboardBackwardCompatibilityMode()) + return true; + } +#endif + return false; +} + +bool HTMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const +{ + if (attrName == alignAttr + || attrName == contenteditableAttr + || attrName == hiddenAttr) { + result = eUniversal; + return false; + } + if (attrName == dirAttr) { + result = hasLocalName(bdoTag) ? eBDO : eUniversal; + return false; + } + + return StyledElement::mapToEntry(attrName, result); +} + +void HTMLElement::parseMappedAttribute(Attribute* attr) +{ + if (isIdAttributeName(attr->name()) || 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() == hiddenAttr) { + addCSSProperty(attr, CSSPropertyDisplay, CSSValueNone); + } else if (attr->name() == tabindexAttr) { + indexstring = getAttribute(tabindexAttr); + int tabindex = 0; + if (parseHTMLInteger(indexstring, tabindex)) { + // 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); + } else if (attr->name() == draggableAttr) { + const AtomicString& value = attr->value(); + if (equalIgnoringCase(value, "true")) { + addCSSProperty(attr, CSSPropertyWebkitUserDrag, CSSValueElement); + addCSSProperty(attr, CSSPropertyWebkitUserSelect, CSSValueNone); + } else if (equalIgnoringCase(value, "false")) + addCSSProperty(attr, CSSPropertyWebkitUserDrag, CSSValueNone); + } +// 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() == onfocusinAttr) { + setAttributeEventListener(eventNames().focusinEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == onfocusoutAttr) { + setAttributeEventListener(eventNames().focusoutEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == onformchangeAttr) { + setAttributeEventListener(eventNames().formchangeEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == onforminputAttr) { + setAttributeEventListener(eventNames().forminputEvent, 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)); + } else if (attr->name() == oninvalidAttr) { + setAttributeEventListener(eventNames().invalidEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == ontouchstartAttr) { + setAttributeEventListener(eventNames().touchstartEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == ontouchmoveAttr) { + setAttributeEventListener(eventNames().touchmoveEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == ontouchendAttr) { + setAttributeEventListener(eventNames().touchendEvent, createAttributeEventListener(this, attr)); + } else if (attr->name() == ontouchcancelAttr) { + setAttributeEventListener(eventNames().touchcancelEvent, createAttributeEventListener(this, attr)); +#if ENABLE(FULLSCREEN_API) + } else if (attr->name() == onwebkitfullscreenchangeAttr) { + setAttributeEventListener(eventNames().webkitfullscreenchangeEvent, createAttributeEventListener(this, attr)); +#endif + } +} + +String HTMLElement::innerHTML() const +{ + return createMarkup(this, ChildrenOnly); +} + +String HTMLElement::outerHTML() const +{ + return createMarkup(this); +} + +// FIXME: This logic should move into Range::createContextualFragment +PassRefPtr<DocumentFragment> HTMLElement::deprecatedCreateContextualFragment(const String& markup, FragmentScriptingPermission scriptingPermission) +{ + // The following is in accordance with the definition as used by IE. + if (ieForbidsInsertHTML()) + return 0; + + if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) + || hasLocalName(headTag) || hasLocalName(styleTag) || hasLocalName(titleTag)) + return 0; + + return Element::deprecatedCreateContextualFragment(markup, scriptingPermission); +} + +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())->data(), 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 = Text::create(element->document(), text); + + if (hasOneChild(element)) { + element->replaceChild(textNode.release(), element->firstChild(), ec); + return; + } + + element->removeChildren(); + element->appendChild(textNode.release(), ec); +} + +// We may want to move a version of this function into DocumentFragment.h/cpp +static PassRefPtr<DocumentFragment> createFragmentFromSource(const String& markup, Element* contextElement, ExceptionCode& ec) +{ + Document* document = contextElement->document(); + RefPtr<DocumentFragment> fragment; + + fragment = DocumentFragment::create(document); + if (document->isHTMLDocument()) { + fragment->parseHTML(markup, contextElement); + return fragment; + } + + bool wasValid = fragment->parseXML(markup, contextElement); + if (!wasValid) { + ec = INVALID_STATE_ERR; + return 0; + } + return fragment; +} + +void HTMLElement::setInnerHTML(const String& html, ExceptionCode& ec) +{ + RefPtr<DocumentFragment> fragment = createFragmentFromSource(html, this, ec); + if (fragment) + replaceChildrenWithFragment(this, fragment.release(), ec); +} + +void HTMLElement::setOuterHTML(const String& html, ExceptionCode& ec) +{ + Node* p = parentNode(); + if (!p || !p->isHTMLElement()) { + ec = NO_MODIFICATION_ALLOWED_ERR; + return; + } + HTMLElement* parent = toHTMLElement(p); + + RefPtr<DocumentFragment> fragment = createFragmentFromSource(html, parent, ec); + if (fragment) { + // FIXME: Why doesn't this have code to merge neighboring text nodes the way setOuterText does? + parent->replaceChild(fragment.release(), this, ec); + } +} + +PassRefPtr<DocumentFragment> HTMLElement::textToFragment(const String& text, ExceptionCode& ec) +{ + RefPtr<DocumentFragment> fragment = DocumentFragment::create(document()); + unsigned int i, length = text.length(); + UChar c = 0; + for (unsigned int start = 0; start < length; ) { + + // Find next line break. + for (i = start; i < length; i++) { + c = text[i]; + if (c == '\r' || c == '\n') + break; + } + + fragment->appendChild(Text::create(document(), text.substring(start, i - start)), ec); + if (ec) + return 0; + + if (c == '\r' || c == '\n') { + fragment->appendChild(HTMLBRElement::create(document()), ec); + if (ec) + return 0; + // Make sure \r\n doesn't result in two line breaks. + if (c == '\r' && i + 1 < length && text[i + 1] == '\n') + i++; + } + + start = i + 1; // Character after line break. + } + + return fragment; +} + +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); +} + +static void mergeWithNextTextNode(PassRefPtr<Node> node, ExceptionCode& ec) +{ + ASSERT(node && node->isTextNode()); + Node* next = node->nextSibling(); + if (!next || !next->isTextNode()) + return; + + RefPtr<Text> textNode = static_cast<Text*>(node.get()); + RefPtr<Text> textNext = static_cast<Text*>(next); + textNode->appendData(textNext->data(), ec); + if (ec) + return; + if (textNext->parentNode()) // Might have been removed by mutation event. + textNext->remove(ec); +} + +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); +} + +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")) { + ContainerNode* parent = this->parentNode(); + return (parent && parent->insertBefore(newChild, this, ec)) ? newChild : 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")) { + ContainerNode* parent = this->parentNode(); + return (parent && parent->insertBefore(newChild, nextSibling(), ec)) ? newChild : 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); +} + +// Step 3 of http://www.whatwg.org/specs/web-apps/current-work/multipage/apis-in-html-documents.html#insertadjacenthtml() +static Element* contextElementForInsertion(const String& where, Element* element, ExceptionCode& ec) +{ + if (equalIgnoringCase(where, "beforeBegin") || equalIgnoringCase(where, "afterEnd")) { + ContainerNode* parent = element->parentNode(); + if (parent && parent->isDocumentNode()) { + ec = NO_MODIFICATION_ALLOWED_ERR; + return 0; + } + ASSERT(!parent || parent->isElementNode()); + return static_cast<Element*>(parent); + } + if (equalIgnoringCase(where, "afterBegin") || equalIgnoringCase(where, "beforeEnd")) + return element; + ec = SYNTAX_ERR; + return 0; +} + +void HTMLElement::insertAdjacentHTML(const String& where, const String& markup, ExceptionCode& ec) +{ + RefPtr<DocumentFragment> fragment = document()->createDocumentFragment(); + Element* contextElement = contextElementForInsertion(where, this, ec); + if (!contextElement) + return; + + if (document()->isHTMLDocument()) + fragment->parseHTML(markup, contextElement); + else { + if (!fragment->parseXML(markup, contextElement)) + // 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(Attribute* attr) +{ + addHTMLAlignmentToStyledElement(this, attr); +} + +void HTMLElement::addHTMLAlignmentToStyledElement(StyledElement* element, Attribute* 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::supportsFocus() const +{ + return Element::supportsFocus() || (isContentEditable() && parentNode() && !parentNode()->isContentEditable()); +} + +bool HTMLElement::isContentEditable() const +{ + if (document()->frame() && document()->frame()->isContentEditable()) + return true; + + // Ideally we'd call ASSERT!needsStyleRecalc()) here, but + // ContainerNode::setFocus() calls setNeedsStyleRecalc(), so the assertion + // would fire in the middle of Document::setFocusedNode(). + + 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; + + if (!renderer()) { + if (parentNode()) + return parentNode()->isContentEditable(); + else + return false; + } + + return renderer()->style()->userModify() == READ_WRITE; +} + +String HTMLElement::contentEditable() const +{ + const AtomicString& value = fastGetAttribute(contenteditableAttr); + + if (value.isNull()) + return "inherit"; + if (value.isEmpty() || equalIgnoringCase(value, "true")) + return "true"; + if (equalIgnoringCase(value, "false")) + return "false"; + if (equalIgnoringCase(value, "plaintext-only")) + return "plaintext-only"; + + return "inherit"; +} + +void HTMLElement::setContentEditable(Attribute* 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, ExceptionCode& ec) +{ + if (equalIgnoringCase(enabled, "true")) + setAttribute(contenteditableAttr, "true", ec); + else if (equalIgnoringCase(enabled, "false")) + setAttribute(contenteditableAttr, "false", ec); + else if (equalIgnoringCase(enabled, "plaintext-only")) + setAttribute(contenteditableAttr, "plaintext-only"); + else if (equalIgnoringCase(enabled, "inherit")) + removeAttribute(contenteditableAttr, ec); + else + ec = SYNTAX_ERR; +} + +bool HTMLElement::draggable() const +{ + return equalIgnoringCase(getAttribute(draggableAttr), "true"); +} + +void HTMLElement::setDraggable(bool value) +{ + setAttribute(draggableAttr, value ? "true" : "false"); +} + +bool HTMLElement::spellcheck() const +{ + return isSpellCheckingEnabled(); +} + +void HTMLElement::setSpellcheck(bool enable) +{ + setAttribute(spellcheckAttr, enable ? "true" : "false"); +} + + +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::title() const +{ + return getAttribute(titleAttr); +} + +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); +} + +bool HTMLElement::rendererIsNeeded(RenderStyle *style) +{ + if (hasLocalName(noscriptTag)) { + Frame* frame = document()->frame(); +#if ENABLE(XHTMLMP) + if (!document()->shouldProcessNoscriptElement()) + return false; +#else + if (frame && frame->script()->canExecuteScripts(NotAboutToExecuteScript)) + return false; +#endif + } else if (hasLocalName(noembedTag)) { + Frame* frame = document()->frame(); + if (frame && frame->loader()->subframeLoader()->allowPlugins(NotAboutToInstantiatePlugin)) + return false; + } + 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 (ContainerNode* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode()) { + if (ancestor->hasTagName(formTag)) + return static_cast<HTMLFormElement*>(ancestor); + } + return 0; +} + +HTMLFormElement* HTMLElement::virtualForm() const +{ + return findFormAncestor(); +} + +HTMLFormElement* HTMLElement::shadowAncestorOwnerForm() +{ + Node* ancestorNode = shadowAncestorNode(); + if (!ancestorNode) + return form(); + + if (!ancestorNode->isHTMLElement()) + return 0; + HTMLElement* ancestorHTML = toHTMLElement(ancestorNode); + if (!ancestorHTML) + return 0; + return ancestorHTML->form(); +} + +void HTMLElement::dispatchChangeEvents() +{ + RefPtr<HTMLElement> protector(this); + RefPtr<HTMLFormElement> ownerForm(shadowAncestorOwnerForm()); + + Node::dispatchChangeEvents(); + if (ownerForm) + ownerForm->dispatchFormChange(); +} + +void HTMLElement::dispatchInputEvents() +{ + RefPtr<HTMLElement> protector(this); + RefPtr<HTMLFormElement> ownerForm(shadowAncestorOwnerForm()); + + Node::dispatchInputEvents(); + if (ownerForm) + ownerForm->dispatchFormInput(); +} + +} // 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 |