1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 5 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 6 * Copyright (C) 2011 Motorola Mobility. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #include "config.h" 26 #include "core/html/HTMLElement.h" 27 28 #include "CSSPropertyNames.h" 29 #include "CSSValueKeywords.h" 30 #include "HTMLNames.h" 31 #include "XMLNames.h" 32 #include "bindings/v8/ExceptionState.h" 33 #include "bindings/v8/ScriptController.h" 34 #include "bindings/v8/ScriptEventListener.h" 35 #include "core/css/CSSParser.h" 36 #include "core/css/CSSValuePool.h" 37 #include "core/css/StylePropertySet.h" 38 #include "core/dom/DocumentFragment.h" 39 #include "core/dom/EventListener.h" 40 #include "core/dom/EventNames.h" 41 #include "core/dom/ExceptionCode.h" 42 #include "core/dom/KeyboardEvent.h" 43 #include "core/dom/NodeTraversal.h" 44 #include "core/dom/Text.h" 45 #include "core/editing/markup.h" 46 #include "core/html/HTMLBRElement.h" 47 #include "core/html/HTMLFormElement.h" 48 #include "core/html/HTMLTemplateElement.h" 49 #include "core/html/HTMLTextFormControlElement.h" 50 #include "core/html/parser/HTMLParserIdioms.h" 51 #include "core/loader/FrameLoader.h" 52 #include "core/page/Frame.h" 53 #include "core/page/Settings.h" 54 #include "core/rendering/RenderWordBreak.h" 55 #include "wtf/StdLibExtras.h" 56 #include "wtf/text/CString.h" 57 58 namespace WebCore { 59 60 using namespace HTMLNames; 61 using namespace WTF; 62 63 using std::min; 64 using std::max; 65 66 PassRefPtr<HTMLElement> HTMLElement::create(const QualifiedName& tagName, Document* document) 67 { 68 return adoptRef(new HTMLElement(tagName, document)); 69 } 70 71 String HTMLElement::nodeName() const 72 { 73 // FIXME: Would be nice to have an atomicstring lookup based off uppercase 74 // chars that does not have to copy the string on a hit in the hash. 75 // FIXME: We should have a way to detect XHTML elements and replace the hasPrefix() check with it. 76 if (document()->isHTMLDocument() && !tagQName().hasPrefix()) 77 return tagQName().localNameUpper(); 78 return Element::nodeName(); 79 } 80 81 bool HTMLElement::ieForbidsInsertHTML() const 82 { 83 // FIXME: Supposedly IE disallows settting innerHTML, outerHTML 84 // and createContextualFragment on these tags. We have no tests to 85 // verify this however, so this list could be totally wrong. 86 // This list was moved from the previous endTagRequirement() implementation. 87 // This is also called from editing and assumed to be the list of tags 88 // for which no end tag should be serialized. It's unclear if the list for 89 // IE compat and the list for serialization sanity are the same. 90 if (hasLocalName(areaTag) 91 || hasLocalName(baseTag) 92 || hasLocalName(basefontTag) 93 || hasLocalName(brTag) 94 || hasLocalName(colTag) 95 || hasLocalName(embedTag) 96 || hasLocalName(frameTag) 97 || hasLocalName(hrTag) 98 || hasLocalName(imageTag) 99 || hasLocalName(imgTag) 100 || hasLocalName(inputTag) 101 || hasLocalName(isindexTag) 102 || hasLocalName(linkTag) 103 || hasLocalName(metaTag) 104 || hasLocalName(paramTag) 105 || hasLocalName(sourceTag) 106 || hasLocalName(wbrTag)) 107 return true; 108 return false; 109 } 110 111 static inline CSSValueID unicodeBidiAttributeForDirAuto(HTMLElement* element) 112 { 113 if (element->hasLocalName(preTag) || element->hasLocalName(textareaTag)) 114 return CSSValueWebkitPlaintext; 115 // FIXME: For bdo element, dir="auto" should result in "bidi-override isolate" but we don't support having multiple values in unicode-bidi yet. 116 // See https://bugs.webkit.org/show_bug.cgi?id=73164. 117 return CSSValueWebkitIsolate; 118 } 119 120 unsigned HTMLElement::parseBorderWidthAttribute(const AtomicString& value) const 121 { 122 unsigned borderWidth = 0; 123 if (value.isEmpty() || !parseHTMLNonNegativeInteger(value, borderWidth)) 124 return hasLocalName(tableTag) ? 1 : borderWidth; 125 return borderWidth; 126 } 127 128 void HTMLElement::applyBorderAttributeToStyle(const AtomicString& value, MutableStylePropertySet* style) 129 { 130 addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, parseBorderWidthAttribute(value), CSSPrimitiveValue::CSS_PX); 131 addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderStyle, CSSValueSolid); 132 } 133 134 void HTMLElement::mapLanguageAttributeToLocale(const AtomicString& value, MutableStylePropertySet* style) 135 { 136 if (!value.isEmpty()) { 137 // Have to quote so the locale id is treated as a string instead of as a CSS keyword. 138 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLocale, quoteCSSString(value)); 139 } else { 140 // The empty string means the language is explicitly unknown. 141 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLocale, CSSValueAuto); 142 } 143 } 144 145 bool HTMLElement::isPresentationAttribute(const QualifiedName& name) const 146 { 147 if (name == alignAttr || name == contenteditableAttr || name == hiddenAttr || name == langAttr || name.matches(XMLNames::langAttr) || name == draggableAttr || name == dirAttr) 148 return true; 149 return Element::isPresentationAttribute(name); 150 } 151 152 void HTMLElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) 153 { 154 if (name == alignAttr) { 155 if (equalIgnoringCase(value, "middle")) 156 addPropertyToPresentationAttributeStyle(style, CSSPropertyTextAlign, CSSValueCenter); 157 else 158 addPropertyToPresentationAttributeStyle(style, CSSPropertyTextAlign, value); 159 } else if (name == contenteditableAttr) { 160 if (value.isEmpty() || equalIgnoringCase(value, "true")) { 161 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserModify, CSSValueReadWrite); 162 addPropertyToPresentationAttributeStyle(style, CSSPropertyWordWrap, CSSValueBreakWord); 163 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLineBreak, CSSValueAfterWhiteSpace); 164 } else if (equalIgnoringCase(value, "plaintext-only")) { 165 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserModify, CSSValueReadWritePlaintextOnly); 166 addPropertyToPresentationAttributeStyle(style, CSSPropertyWordWrap, CSSValueBreakWord); 167 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitLineBreak, CSSValueAfterWhiteSpace); 168 } else if (equalIgnoringCase(value, "false")) 169 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserModify, CSSValueReadOnly); 170 } else if (name == hiddenAttr) { 171 addPropertyToPresentationAttributeStyle(style, CSSPropertyDisplay, CSSValueNone); 172 } else if (name == draggableAttr) { 173 if (equalIgnoringCase(value, "true")) { 174 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserDrag, CSSValueElement); 175 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserSelect, CSSValueNone); 176 } else if (equalIgnoringCase(value, "false")) 177 addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitUserDrag, CSSValueNone); 178 } else if (name == dirAttr) { 179 if (equalIgnoringCase(value, "auto")) 180 addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, unicodeBidiAttributeForDirAuto(this)); 181 else { 182 addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, value); 183 if (!hasTagName(bdiTag) && !hasTagName(bdoTag) && !hasTagName(outputTag)) 184 addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, CSSValueEmbed); 185 } 186 } else if (name.matches(XMLNames::langAttr)) 187 mapLanguageAttributeToLocale(value, style); 188 else if (name == langAttr) { 189 // xml:lang has a higher priority than lang. 190 if (!fastHasAttribute(XMLNames::langAttr)) 191 mapLanguageAttributeToLocale(value, style); 192 } else 193 Element::collectStyleForPresentationAttribute(name, value, style); 194 } 195 196 AtomicString HTMLElement::eventNameForAttributeName(const QualifiedName& attrName) const 197 { 198 if (!attrName.namespaceURI().isNull()) 199 return AtomicString(); 200 201 typedef HashMap<AtomicString, AtomicString> StringToStringMap; 202 DEFINE_STATIC_LOCAL(StringToStringMap, attributeNameToEventNameMap, ()); 203 if (!attributeNameToEventNameMap.size()) { 204 attributeNameToEventNameMap.set(onclickAttr.localName(), eventNames().clickEvent); 205 attributeNameToEventNameMap.set(oncontextmenuAttr.localName(), eventNames().contextmenuEvent); 206 attributeNameToEventNameMap.set(ondblclickAttr.localName(), eventNames().dblclickEvent); 207 attributeNameToEventNameMap.set(onmousedownAttr.localName(), eventNames().mousedownEvent); 208 attributeNameToEventNameMap.set(onmouseenterAttr.localName(), eventNames().mouseenterEvent); 209 attributeNameToEventNameMap.set(onmouseleaveAttr.localName(), eventNames().mouseleaveEvent); 210 attributeNameToEventNameMap.set(onmousemoveAttr.localName(), eventNames().mousemoveEvent); 211 attributeNameToEventNameMap.set(onmouseoutAttr.localName(), eventNames().mouseoutEvent); 212 attributeNameToEventNameMap.set(onmouseoverAttr.localName(), eventNames().mouseoverEvent); 213 attributeNameToEventNameMap.set(onmouseupAttr.localName(), eventNames().mouseupEvent); 214 attributeNameToEventNameMap.set(onmousewheelAttr.localName(), eventNames().mousewheelEvent); 215 attributeNameToEventNameMap.set(onfocusAttr.localName(), eventNames().focusEvent); 216 attributeNameToEventNameMap.set(onfocusinAttr.localName(), eventNames().focusinEvent); 217 attributeNameToEventNameMap.set(onfocusoutAttr.localName(), eventNames().focusoutEvent); 218 attributeNameToEventNameMap.set(onblurAttr.localName(), eventNames().blurEvent); 219 attributeNameToEventNameMap.set(onkeydownAttr.localName(), eventNames().keydownEvent); 220 attributeNameToEventNameMap.set(onkeypressAttr.localName(), eventNames().keypressEvent); 221 attributeNameToEventNameMap.set(onkeyupAttr.localName(), eventNames().keyupEvent); 222 attributeNameToEventNameMap.set(onscrollAttr.localName(), eventNames().scrollEvent); 223 attributeNameToEventNameMap.set(onbeforecutAttr.localName(), eventNames().beforecutEvent); 224 attributeNameToEventNameMap.set(oncutAttr.localName(), eventNames().cutEvent); 225 attributeNameToEventNameMap.set(onbeforecopyAttr.localName(), eventNames().beforecopyEvent); 226 attributeNameToEventNameMap.set(oncopyAttr.localName(), eventNames().copyEvent); 227 attributeNameToEventNameMap.set(onbeforepasteAttr.localName(), eventNames().beforepasteEvent); 228 attributeNameToEventNameMap.set(onpasteAttr.localName(), eventNames().pasteEvent); 229 attributeNameToEventNameMap.set(ondragenterAttr.localName(), eventNames().dragenterEvent); 230 attributeNameToEventNameMap.set(ondragoverAttr.localName(), eventNames().dragoverEvent); 231 attributeNameToEventNameMap.set(ondragleaveAttr.localName(), eventNames().dragleaveEvent); 232 attributeNameToEventNameMap.set(ondropAttr.localName(), eventNames().dropEvent); 233 attributeNameToEventNameMap.set(ondragstartAttr.localName(), eventNames().dragstartEvent); 234 attributeNameToEventNameMap.set(ondragAttr.localName(), eventNames().dragEvent); 235 attributeNameToEventNameMap.set(ondragendAttr.localName(), eventNames().dragendEvent); 236 attributeNameToEventNameMap.set(onselectstartAttr.localName(), eventNames().selectstartEvent); 237 attributeNameToEventNameMap.set(onsubmitAttr.localName(), eventNames().submitEvent); 238 attributeNameToEventNameMap.set(onerrorAttr.localName(), eventNames().errorEvent); 239 attributeNameToEventNameMap.set(onwebkitanimationstartAttr.localName(), eventNames().webkitAnimationStartEvent); 240 attributeNameToEventNameMap.set(onwebkitanimationiterationAttr.localName(), eventNames().webkitAnimationIterationEvent); 241 attributeNameToEventNameMap.set(onwebkitanimationendAttr.localName(), eventNames().webkitAnimationEndEvent); 242 attributeNameToEventNameMap.set(onwebkittransitionendAttr.localName(), eventNames().webkitTransitionEndEvent); 243 attributeNameToEventNameMap.set(ontransitionendAttr.localName(), eventNames().webkitTransitionEndEvent); 244 attributeNameToEventNameMap.set(oninputAttr.localName(), eventNames().inputEvent); 245 attributeNameToEventNameMap.set(oninvalidAttr.localName(), eventNames().invalidEvent); 246 attributeNameToEventNameMap.set(ontouchstartAttr.localName(), eventNames().touchstartEvent); 247 attributeNameToEventNameMap.set(ontouchmoveAttr.localName(), eventNames().touchmoveEvent); 248 attributeNameToEventNameMap.set(ontouchendAttr.localName(), eventNames().touchendEvent); 249 attributeNameToEventNameMap.set(ontouchcancelAttr.localName(), eventNames().touchcancelEvent); 250 attributeNameToEventNameMap.set(onwebkitfullscreenchangeAttr.localName(), eventNames().webkitfullscreenchangeEvent); 251 attributeNameToEventNameMap.set(onwebkitfullscreenerrorAttr.localName(), eventNames().webkitfullscreenerrorEvent); 252 attributeNameToEventNameMap.set(onabortAttr.localName(), eventNames().abortEvent); 253 attributeNameToEventNameMap.set(oncanplayAttr.localName(), eventNames().canplayEvent); 254 attributeNameToEventNameMap.set(oncanplaythroughAttr.localName(), eventNames().canplaythroughEvent); 255 attributeNameToEventNameMap.set(onchangeAttr.localName(), eventNames().changeEvent); 256 attributeNameToEventNameMap.set(ondurationchangeAttr.localName(), eventNames().durationchangeEvent); 257 attributeNameToEventNameMap.set(onemptiedAttr.localName(), eventNames().emptiedEvent); 258 attributeNameToEventNameMap.set(onendedAttr.localName(), eventNames().endedEvent); 259 attributeNameToEventNameMap.set(onloadeddataAttr.localName(), eventNames().loadeddataEvent); 260 attributeNameToEventNameMap.set(onloadedmetadataAttr.localName(), eventNames().loadedmetadataEvent); 261 attributeNameToEventNameMap.set(onloadstartAttr.localName(), eventNames().loadstartEvent); 262 attributeNameToEventNameMap.set(onpauseAttr.localName(), eventNames().pauseEvent); 263 attributeNameToEventNameMap.set(onplayAttr.localName(), eventNames().playEvent); 264 attributeNameToEventNameMap.set(onplayingAttr.localName(), eventNames().playingEvent); 265 attributeNameToEventNameMap.set(onprogressAttr.localName(), eventNames().progressEvent); 266 attributeNameToEventNameMap.set(onratechangeAttr.localName(), eventNames().ratechangeEvent); 267 attributeNameToEventNameMap.set(onresetAttr.localName(), eventNames().resetEvent); 268 attributeNameToEventNameMap.set(onseekedAttr.localName(), eventNames().seekedEvent); 269 attributeNameToEventNameMap.set(onseekingAttr.localName(), eventNames().seekingEvent); 270 attributeNameToEventNameMap.set(onselectAttr.localName(), eventNames().selectEvent); 271 attributeNameToEventNameMap.set(onstalledAttr.localName(), eventNames().stalledEvent); 272 attributeNameToEventNameMap.set(onsuspendAttr.localName(), eventNames().suspendEvent); 273 attributeNameToEventNameMap.set(ontimeupdateAttr.localName(), eventNames().timeupdateEvent); 274 attributeNameToEventNameMap.set(onvolumechangeAttr.localName(), eventNames().volumechangeEvent); 275 attributeNameToEventNameMap.set(onwaitingAttr.localName(), eventNames().waitingEvent); 276 attributeNameToEventNameMap.set(onloadAttr.localName(), eventNames().loadEvent); 277 } 278 279 return attributeNameToEventNameMap.get(attrName.localName()); 280 } 281 282 void HTMLElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 283 { 284 if (isIdAttributeName(name) || name == classAttr || name == styleAttr) 285 return Element::parseAttribute(name, value); 286 287 if (name == dirAttr) 288 dirAttributeChanged(value); 289 else if (name == tabindexAttr) { 290 int tabindex = 0; 291 if (value.isEmpty()) { 292 clearTabIndexExplicitlyIfNeeded(); 293 if (treeScope()->adjustedFocusedElement() == this) { 294 // We might want to call blur(), but it's dangerous to dispatch 295 // events here. 296 document()->setNeedsFocusedElementCheck(); 297 } 298 } else if (parseHTMLInteger(value, tabindex)) { 299 // Clamp tabindex to the range of 'short' to match Firefox's behavior. 300 setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max())))); 301 } 302 } else { 303 AtomicString eventName = eventNameForAttributeName(name); 304 if (!eventName.isNull()) 305 setAttributeEventListener(eventName, createAttributeEventListener(this, name, value)); 306 } 307 } 308 309 String HTMLElement::innerHTML() const 310 { 311 return createMarkup(this, ChildrenOnly); 312 } 313 314 String HTMLElement::outerHTML() const 315 { 316 return createMarkup(this); 317 } 318 319 void HTMLElement::setInnerHTML(const String& html, ExceptionState& es) 320 { 321 if (RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(html, this, AllowScriptingContent, es)) { 322 ContainerNode* container = this; 323 if (hasLocalName(templateTag)) 324 container = toHTMLTemplateElement(this)->content(); 325 replaceChildrenWithFragment(container, fragment.release(), es); 326 } 327 } 328 329 static void mergeWithNextTextNode(PassRefPtr<Node> node, ExceptionState& es) 330 { 331 ASSERT(node && node->isTextNode()); 332 Node* next = node->nextSibling(); 333 if (!next || !next->isTextNode()) 334 return; 335 336 RefPtr<Text> textNode = toText(node.get()); 337 RefPtr<Text> textNext = toText(next); 338 textNode->appendData(textNext->data()); 339 if (textNext->parentNode()) // Might have been removed by mutation event. 340 textNext->remove(es); 341 } 342 343 void HTMLElement::setOuterHTML(const String& html, ExceptionState& es) 344 { 345 Node* p = parentNode(); 346 if (!p || !p->isHTMLElement()) { 347 es.throwDOMException(NoModificationAllowedError); 348 return; 349 } 350 RefPtr<HTMLElement> parent = toHTMLElement(p); 351 RefPtr<Node> prev = previousSibling(); 352 RefPtr<Node> next = nextSibling(); 353 354 RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(html, parent.get(), AllowScriptingContent, es); 355 if (es.hadException()) 356 return; 357 358 parent->replaceChild(fragment.release(), this, es); 359 RefPtr<Node> node = next ? next->previousSibling() : 0; 360 if (!es.hadException() && node && node->isTextNode()) 361 mergeWithNextTextNode(node.release(), es); 362 363 if (!es.hadException() && prev && prev->isTextNode()) 364 mergeWithNextTextNode(prev.release(), es); 365 } 366 367 PassRefPtr<DocumentFragment> HTMLElement::textToFragment(const String& text, ExceptionState& es) 368 { 369 RefPtr<DocumentFragment> fragment = DocumentFragment::create(document()); 370 unsigned int i, length = text.length(); 371 UChar c = 0; 372 for (unsigned int start = 0; start < length; ) { 373 374 // Find next line break. 375 for (i = start; i < length; i++) { 376 c = text[i]; 377 if (c == '\r' || c == '\n') 378 break; 379 } 380 381 fragment->appendChild(Text::create(document(), text.substring(start, i - start)), es); 382 if (es.hadException()) 383 return 0; 384 385 if (c == '\r' || c == '\n') { 386 fragment->appendChild(HTMLBRElement::create(document()), es); 387 if (es.hadException()) 388 return 0; 389 // Make sure \r\n doesn't result in two line breaks. 390 if (c == '\r' && i + 1 < length && text[i + 1] == '\n') 391 i++; 392 } 393 394 start = i + 1; // Character after line break. 395 } 396 397 return fragment; 398 } 399 400 void HTMLElement::setInnerText(const String& text, ExceptionState& es) 401 { 402 if (ieForbidsInsertHTML()) { 403 es.throwDOMException(NoModificationAllowedError); 404 return; 405 } 406 if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) || 407 hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) || 408 hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) || 409 hasLocalName(trTag)) { 410 es.throwDOMException(NoModificationAllowedError); 411 return; 412 } 413 414 // FIXME: This doesn't take whitespace collapsing into account at all. 415 416 if (!text.contains('\n') && !text.contains('\r')) { 417 if (text.isEmpty()) { 418 removeChildren(); 419 return; 420 } 421 replaceChildrenWithText(this, text, es); 422 return; 423 } 424 425 // FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer? 426 // FIXME: Can the renderer be out of date here? Do we need to call updateStyleIfNeeded? 427 // For example, for the contents of textarea elements that are display:none? 428 RenderObject* r = renderer(); 429 if (r && r->style()->preserveNewline()) { 430 if (!text.contains('\r')) { 431 replaceChildrenWithText(this, text, es); 432 return; 433 } 434 String textWithConsistentLineBreaks = text; 435 textWithConsistentLineBreaks.replace("\r\n", "\n"); 436 textWithConsistentLineBreaks.replace('\r', '\n'); 437 replaceChildrenWithText(this, textWithConsistentLineBreaks, es); 438 return; 439 } 440 441 // Add text nodes and <br> elements. 442 RefPtr<DocumentFragment> fragment = textToFragment(text, es); 443 if (!es.hadException()) 444 replaceChildrenWithFragment(this, fragment.release(), es); 445 } 446 447 void HTMLElement::setOuterText(const String &text, ExceptionState& es) 448 { 449 if (ieForbidsInsertHTML()) { 450 es.throwDOMException(NoModificationAllowedError); 451 return; 452 } 453 if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) || 454 hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) || 455 hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) || 456 hasLocalName(trTag)) { 457 es.throwDOMException(NoModificationAllowedError); 458 return; 459 } 460 461 ContainerNode* parent = parentNode(); 462 if (!parent) { 463 es.throwDOMException(NoModificationAllowedError); 464 return; 465 } 466 467 RefPtr<Node> prev = previousSibling(); 468 RefPtr<Node> next = nextSibling(); 469 RefPtr<Node> newChild; 470 471 // Convert text to fragment with <br> tags instead of linebreaks if needed. 472 if (text.contains('\r') || text.contains('\n')) 473 newChild = textToFragment(text, es); 474 else 475 newChild = Text::create(document(), text); 476 477 if (!this || !parentNode()) 478 es.throwDOMException(HierarchyRequestError); 479 if (es.hadException()) 480 return; 481 parent->replaceChild(newChild.release(), this, es); 482 483 RefPtr<Node> node = next ? next->previousSibling() : 0; 484 if (!es.hadException() && node && node->isTextNode()) 485 mergeWithNextTextNode(node.release(), es); 486 487 if (!es.hadException() && prev && prev->isTextNode()) 488 mergeWithNextTextNode(prev.release(), es); 489 } 490 491 Node* HTMLElement::insertAdjacent(const String& where, Node* newChild, ExceptionState& es) 492 { 493 // In Internet Explorer if the element has no parent and where is "beforeBegin" or "afterEnd", 494 // a document fragment is created and the elements appended in the correct order. This document 495 // fragment isn't returned anywhere. 496 // 497 // This is impossible for us to implement as the DOM tree does not allow for such structures, 498 // Opera also appears to disallow such usage. 499 500 if (equalIgnoringCase(where, "beforeBegin")) { 501 if (ContainerNode* parent = this->parentNode()) { 502 parent->insertBefore(newChild, this, es, AttachLazily); 503 if (!es.hadException()) 504 return newChild; 505 } 506 return 0; 507 } 508 509 if (equalIgnoringCase(where, "afterBegin")) { 510 insertBefore(newChild, firstChild(), es, AttachLazily); 511 return es.hadException() ? 0 : newChild; 512 } 513 514 if (equalIgnoringCase(where, "beforeEnd")) { 515 appendChild(newChild, es, AttachLazily); 516 return es.hadException() ? 0 : newChild; 517 } 518 519 if (equalIgnoringCase(where, "afterEnd")) { 520 if (ContainerNode* parent = this->parentNode()) { 521 parent->insertBefore(newChild, nextSibling(), es, AttachLazily); 522 if (!es.hadException()) 523 return newChild; 524 } 525 return 0; 526 } 527 528 // IE throws COM Exception E_INVALIDARG; this is the best DOM exception alternative. 529 es.throwDOMException(NotSupportedError); 530 return 0; 531 } 532 533 Element* HTMLElement::insertAdjacentElement(const String& where, Element* newChild, ExceptionState& es) 534 { 535 if (!newChild) { 536 // IE throws COM Exception E_INVALIDARG; this is the best DOM exception alternative. 537 es.throwDOMException(TypeMismatchError); 538 return 0; 539 } 540 541 Node* returnValue = insertAdjacent(where, newChild, es); 542 return toElement(returnValue); 543 } 544 545 // Step 3 of http://www.whatwg.org/specs/web-apps/current-work/multipage/apis-in-html-documents.html#insertadjacenthtml() 546 static Element* contextElementForInsertion(const String& where, Element* element, ExceptionState& es) 547 { 548 if (equalIgnoringCase(where, "beforeBegin") || equalIgnoringCase(where, "afterEnd")) { 549 ContainerNode* parent = element->parentNode(); 550 if (parent && !parent->isElementNode()) { 551 es.throwDOMException(NoModificationAllowedError); 552 return 0; 553 } 554 return toElement(parent); 555 } 556 if (equalIgnoringCase(where, "afterBegin") || equalIgnoringCase(where, "beforeEnd")) 557 return element; 558 es.throwDOMException(SyntaxError); 559 return 0; 560 } 561 562 void HTMLElement::insertAdjacentHTML(const String& where, const String& markup, ExceptionState& es) 563 { 564 Element* contextElement = contextElementForInsertion(where, this, es); 565 if (!contextElement) 566 return; 567 RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, contextElement, AllowScriptingContent, es); 568 if (!fragment) 569 return; 570 insertAdjacent(where, fragment.get(), es); 571 } 572 573 void HTMLElement::insertAdjacentText(const String& where, const String& text, ExceptionState& es) 574 { 575 RefPtr<Text> textNode = document()->createTextNode(text); 576 insertAdjacent(where, textNode.get(), es); 577 } 578 579 void HTMLElement::applyAlignmentAttributeToStyle(const AtomicString& alignment, MutableStylePropertySet* style) 580 { 581 // Vertical alignment with respect to the current baseline of the text 582 // right or left means floating images. 583 CSSValueID floatValue = CSSValueInvalid; 584 CSSValueID verticalAlignValue = CSSValueInvalid; 585 586 if (equalIgnoringCase(alignment, "absmiddle")) 587 verticalAlignValue = CSSValueMiddle; 588 else if (equalIgnoringCase(alignment, "absbottom")) 589 verticalAlignValue = CSSValueBottom; 590 else if (equalIgnoringCase(alignment, "left")) { 591 floatValue = CSSValueLeft; 592 verticalAlignValue = CSSValueTop; 593 } else if (equalIgnoringCase(alignment, "right")) { 594 floatValue = CSSValueRight; 595 verticalAlignValue = CSSValueTop; 596 } else if (equalIgnoringCase(alignment, "top")) 597 verticalAlignValue = CSSValueTop; 598 else if (equalIgnoringCase(alignment, "middle")) 599 verticalAlignValue = CSSValueWebkitBaselineMiddle; 600 else if (equalIgnoringCase(alignment, "center")) 601 verticalAlignValue = CSSValueMiddle; 602 else if (equalIgnoringCase(alignment, "bottom")) 603 verticalAlignValue = CSSValueBaseline; 604 else if (equalIgnoringCase(alignment, "texttop")) 605 verticalAlignValue = CSSValueTextTop; 606 607 if (floatValue != CSSValueInvalid) 608 addPropertyToPresentationAttributeStyle(style, CSSPropertyFloat, floatValue); 609 610 if (verticalAlignValue != CSSValueInvalid) 611 addPropertyToPresentationAttributeStyle(style, CSSPropertyVerticalAlign, verticalAlignValue); 612 } 613 614 bool HTMLElement::hasCustomFocusLogic() const 615 { 616 return false; 617 } 618 619 bool HTMLElement::supportsSpatialNavigationFocus() const 620 { 621 // This function checks whether the element satisfies the extended criteria 622 // for the element to be focusable, introduced by spatial navigation feature, 623 // i.e. checks if click or keyboard event handler is specified. 624 // This is the way to make it possible to navigate to (focus) elements 625 // which web designer meant for being active (made them respond to click events). 626 627 if (!document()->settings() || !document()->settings()->spatialNavigationEnabled()) 628 return false; 629 EventTarget* target = const_cast<HTMLElement*>(this); 630 return target->hasEventListeners(eventNames().clickEvent) 631 || target->hasEventListeners(eventNames().keydownEvent) 632 || target->hasEventListeners(eventNames().keypressEvent) 633 || target->hasEventListeners(eventNames().keyupEvent); 634 } 635 636 bool HTMLElement::supportsFocus() const 637 { 638 // FIXME: supportsFocus() can be called when layout is not up to date. 639 // Logic that deals with the renderer should be moved to rendererIsFocusable(). 640 // But supportsFocus must return true when the element is editable, or else 641 // it won't be focusable. Furthermore, supportsFocus cannot just return true 642 // always or else tabIndex() will change for all HTML elements. 643 return Element::supportsFocus() || (rendererIsEditable() && parentNode() && !parentNode()->rendererIsEditable()) 644 || supportsSpatialNavigationFocus(); 645 } 646 647 String HTMLElement::contentEditable() const 648 { 649 const AtomicString& value = fastGetAttribute(contenteditableAttr); 650 651 if (value.isNull()) 652 return "inherit"; 653 if (value.isEmpty() || equalIgnoringCase(value, "true")) 654 return "true"; 655 if (equalIgnoringCase(value, "false")) 656 return "false"; 657 if (equalIgnoringCase(value, "plaintext-only")) 658 return "plaintext-only"; 659 660 return "inherit"; 661 } 662 663 void HTMLElement::setContentEditable(const String& enabled, ExceptionState& es) 664 { 665 if (equalIgnoringCase(enabled, "true")) 666 setAttribute(contenteditableAttr, "true"); 667 else if (equalIgnoringCase(enabled, "false")) 668 setAttribute(contenteditableAttr, "false"); 669 else if (equalIgnoringCase(enabled, "plaintext-only")) 670 setAttribute(contenteditableAttr, "plaintext-only"); 671 else if (equalIgnoringCase(enabled, "inherit")) 672 removeAttribute(contenteditableAttr); 673 else 674 es.throwDOMException(SyntaxError); 675 } 676 677 bool HTMLElement::draggable() const 678 { 679 return equalIgnoringCase(getAttribute(draggableAttr), "true"); 680 } 681 682 void HTMLElement::setDraggable(bool value) 683 { 684 setAttribute(draggableAttr, value ? "true" : "false"); 685 } 686 687 bool HTMLElement::spellcheck() const 688 { 689 return isSpellCheckingEnabled(); 690 } 691 692 void HTMLElement::setSpellcheck(bool enable) 693 { 694 setAttribute(spellcheckAttr, enable ? "true" : "false"); 695 } 696 697 698 void HTMLElement::click() 699 { 700 dispatchSimulatedClick(0, SendNoEvents, DoNotShowPressedLook); 701 } 702 703 void HTMLElement::accessKeyAction(bool sendMouseEvents) 704 { 705 dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents); 706 } 707 708 String HTMLElement::title() const 709 { 710 return getAttribute(titleAttr); 711 } 712 713 short HTMLElement::tabIndex() const 714 { 715 if (supportsFocus()) 716 return Element::tabIndex(); 717 return -1; 718 } 719 720 void HTMLElement::setTabIndex(int value) 721 { 722 setAttribute(tabindexAttr, String::number(value)); 723 } 724 725 TranslateAttributeMode HTMLElement::translateAttributeMode() const 726 { 727 const AtomicString& value = getAttribute(translateAttr); 728 729 if (value == nullAtom) 730 return TranslateAttributeInherit; 731 if (equalIgnoringCase(value, "yes") || equalIgnoringCase(value, "")) 732 return TranslateAttributeYes; 733 if (equalIgnoringCase(value, "no")) 734 return TranslateAttributeNo; 735 736 return TranslateAttributeInherit; 737 } 738 739 bool HTMLElement::translate() const 740 { 741 for (const Node* n = this; n; n = n->parentNode()) { 742 if (n->isHTMLElement()) { 743 TranslateAttributeMode mode = static_cast<const HTMLElement*>(n)->translateAttributeMode(); 744 if (mode != TranslateAttributeInherit) { 745 ASSERT(mode == TranslateAttributeYes || mode == TranslateAttributeNo); 746 return mode == TranslateAttributeYes; 747 } 748 } 749 } 750 751 // Default on the root element is translate=yes. 752 return true; 753 } 754 755 void HTMLElement::setTranslate(bool enable) 756 { 757 setAttribute(translateAttr, enable ? "yes" : "no"); 758 } 759 760 bool HTMLElement::rendererIsNeeded(const NodeRenderingContext& context) 761 { 762 if (hasLocalName(noscriptTag)) { 763 Frame* frame = document()->frame(); 764 if (frame && frame->script()->canExecuteScripts(NotAboutToExecuteScript)) 765 return false; 766 } else if (hasLocalName(noembedTag)) { 767 Frame* frame = document()->frame(); 768 if (frame && frame->loader()->allowPlugins(NotAboutToInstantiatePlugin)) 769 return false; 770 } 771 return Element::rendererIsNeeded(context); 772 } 773 774 RenderObject* HTMLElement::createRenderer(RenderStyle* style) 775 { 776 if (hasLocalName(wbrTag)) 777 return new RenderWordBreak(this); 778 return RenderObject::createObject(this, style); 779 } 780 781 HTMLFormElement* HTMLElement::findFormAncestor() const 782 { 783 for (ContainerNode* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode()) { 784 if (ancestor->hasTagName(formTag)) 785 return toHTMLFormElement(ancestor); 786 } 787 return 0; 788 } 789 790 HTMLFormElement* HTMLElement::virtualForm() const 791 { 792 return findFormAncestor(); 793 } 794 795 static inline bool elementAffectsDirectionality(const Node* node) 796 { 797 return node->isHTMLElement() && (node->hasTagName(bdiTag) || toHTMLElement(node)->hasAttribute(dirAttr)); 798 } 799 800 static void setHasDirAutoFlagRecursively(Node* firstNode, bool flag, Node* lastNode = 0) 801 { 802 firstNode->setSelfOrAncestorHasDirAutoAttribute(flag); 803 804 Node* node = firstNode->firstChild(); 805 806 while (node) { 807 if (node->selfOrAncestorHasDirAutoAttribute() == flag) 808 return; 809 810 if (elementAffectsDirectionality(node)) { 811 if (node == lastNode) 812 return; 813 node = NodeTraversal::nextSkippingChildren(node, firstNode); 814 continue; 815 } 816 node->setSelfOrAncestorHasDirAutoAttribute(flag); 817 if (node == lastNode) 818 return; 819 node = NodeTraversal::next(node, firstNode); 820 } 821 } 822 823 void HTMLElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) 824 { 825 Element::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); 826 adjustDirectionalityIfNeededAfterChildrenChanged(beforeChange, childCountDelta); 827 } 828 829 bool HTMLElement::hasDirectionAuto() const 830 { 831 const AtomicString& direction = fastGetAttribute(dirAttr); 832 return (hasTagName(bdiTag) && direction == nullAtom) || equalIgnoringCase(direction, "auto"); 833 } 834 835 TextDirection HTMLElement::directionalityIfhasDirAutoAttribute(bool& isAuto) const 836 { 837 if (!(selfOrAncestorHasDirAutoAttribute() && hasDirectionAuto())) { 838 isAuto = false; 839 return LTR; 840 } 841 842 isAuto = true; 843 return directionality(); 844 } 845 846 TextDirection HTMLElement::directionality(Node** strongDirectionalityTextNode) const 847 { 848 if (isHTMLTextFormControlElement(this)) { 849 HTMLTextFormControlElement* textElement = toHTMLTextFormControlElement(const_cast<HTMLElement*>(this)); 850 bool hasStrongDirectionality; 851 Unicode::Direction textDirection = textElement->value().defaultWritingDirection(&hasStrongDirectionality); 852 if (strongDirectionalityTextNode) 853 *strongDirectionalityTextNode = hasStrongDirectionality ? textElement : 0; 854 return (textDirection == Unicode::LeftToRight) ? LTR : RTL; 855 } 856 857 Node* node = firstChild(); 858 while (node) { 859 // Skip bdi, script, style and text form controls. 860 if (equalIgnoringCase(node->nodeName(), "bdi") || node->hasTagName(scriptTag) || node->hasTagName(styleTag) 861 || (node->isElementNode() && toElement(node)->isTextFormControl())) { 862 node = NodeTraversal::nextSkippingChildren(node, this); 863 continue; 864 } 865 866 // Skip elements with valid dir attribute 867 if (node->isElementNode()) { 868 AtomicString dirAttributeValue = toElement(node)->fastGetAttribute(dirAttr); 869 if (equalIgnoringCase(dirAttributeValue, "rtl") || equalIgnoringCase(dirAttributeValue, "ltr") || equalIgnoringCase(dirAttributeValue, "auto")) { 870 node = NodeTraversal::nextSkippingChildren(node, this); 871 continue; 872 } 873 } 874 875 if (node->isTextNode()) { 876 bool hasStrongDirectionality; 877 WTF::Unicode::Direction textDirection = node->textContent(true).defaultWritingDirection(&hasStrongDirectionality); 878 if (hasStrongDirectionality) { 879 if (strongDirectionalityTextNode) 880 *strongDirectionalityTextNode = node; 881 return (textDirection == WTF::Unicode::LeftToRight) ? LTR : RTL; 882 } 883 } 884 node = NodeTraversal::next(node, this); 885 } 886 if (strongDirectionalityTextNode) 887 *strongDirectionalityTextNode = 0; 888 return LTR; 889 } 890 891 void HTMLElement::dirAttributeChanged(const AtomicString& value) 892 { 893 Element* parent = parentElement(); 894 895 if (parent && parent->isHTMLElement() && parent->selfOrAncestorHasDirAutoAttribute()) 896 toHTMLElement(parent)->adjustDirectionalityIfNeededAfterChildAttributeChanged(this); 897 898 if (equalIgnoringCase(value, "auto")) 899 calculateAndAdjustDirectionality(); 900 } 901 902 void HTMLElement::adjustDirectionalityIfNeededAfterChildAttributeChanged(Element* child) 903 { 904 ASSERT(selfOrAncestorHasDirAutoAttribute()); 905 Node* strongDirectionalityTextNode; 906 TextDirection textDirection = directionality(&strongDirectionalityTextNode); 907 setHasDirAutoFlagRecursively(child, false); 908 if (renderer() && renderer()->style() && renderer()->style()->direction() != textDirection) { 909 Element* elementToAdjust = this; 910 for (; elementToAdjust; elementToAdjust = elementToAdjust->parentElement()) { 911 if (elementAffectsDirectionality(elementToAdjust)) { 912 elementToAdjust->setNeedsStyleRecalc(); 913 return; 914 } 915 } 916 } 917 } 918 919 void HTMLElement::calculateAndAdjustDirectionality() 920 { 921 Node* strongDirectionalityTextNode; 922 TextDirection textDirection = directionality(&strongDirectionalityTextNode); 923 setHasDirAutoFlagRecursively(this, true, strongDirectionalityTextNode); 924 if (renderer() && renderer()->style() && renderer()->style()->direction() != textDirection) 925 setNeedsStyleRecalc(); 926 } 927 928 void HTMLElement::adjustDirectionalityIfNeededAfterChildrenChanged(Node* beforeChange, int childCountDelta) 929 { 930 if ((!document() || document()->renderer()) && childCountDelta < 0) { 931 Node* node = beforeChange ? NodeTraversal::nextSkippingChildren(beforeChange) : 0; 932 for (int counter = 0; node && counter < childCountDelta; counter++, node = NodeTraversal::nextSkippingChildren(node)) { 933 if (elementAffectsDirectionality(node)) 934 continue; 935 936 setHasDirAutoFlagRecursively(node, false); 937 } 938 } 939 940 if (!selfOrAncestorHasDirAutoAttribute()) 941 return; 942 943 Node* oldMarkedNode = beforeChange ? NodeTraversal::nextSkippingChildren(beforeChange) : 0; 944 while (oldMarkedNode && elementAffectsDirectionality(oldMarkedNode)) 945 oldMarkedNode = NodeTraversal::nextSkippingChildren(oldMarkedNode, this); 946 if (oldMarkedNode) 947 setHasDirAutoFlagRecursively(oldMarkedNode, false); 948 949 for (Element* elementToAdjust = this; elementToAdjust; elementToAdjust = elementToAdjust->parentElement()) { 950 if (elementAffectsDirectionality(elementToAdjust)) { 951 toHTMLElement(elementToAdjust)->calculateAndAdjustDirectionality(); 952 return; 953 } 954 } 955 } 956 957 void HTMLElement::addHTMLLengthToStyle(MutableStylePropertySet* style, CSSPropertyID propertyID, const String& value) 958 { 959 // FIXME: This function should not spin up the CSS parser, but should instead just figure out the correct 960 // length unit and make the appropriate parsed value. 961 962 // strip attribute garbage.. 963 StringImpl* v = value.impl(); 964 if (v) { 965 unsigned int l = 0; 966 967 while (l < v->length() && (*v)[l] <= ' ') 968 l++; 969 970 for (; l < v->length(); l++) { 971 UChar cc = (*v)[l]; 972 if (cc > '9') 973 break; 974 if (cc < '0') { 975 if (cc == '%' || cc == '*') 976 l++; 977 if (cc != '.') 978 break; 979 } 980 } 981 982 if (l != v->length()) { 983 addPropertyToPresentationAttributeStyle(style, propertyID, v->substring(0, l)); 984 return; 985 } 986 } 987 988 addPropertyToPresentationAttributeStyle(style, propertyID, value); 989 } 990 991 static RGBA32 parseColorStringWithCrazyLegacyRules(const String& colorString) 992 { 993 // Per spec, only look at the first 128 digits of the string. 994 const size_t maxColorLength = 128; 995 // We'll pad the buffer with two extra 0s later, so reserve two more than the max. 996 Vector<char, maxColorLength+2> digitBuffer; 997 998 size_t i = 0; 999 // Skip a leading #. 1000 if (colorString[0] == '#') 1001 i = 1; 1002 1003 // Grab the first 128 characters, replacing non-hex characters with 0. 1004 // Non-BMP characters are replaced with "00" due to them appearing as two "characters" in the String. 1005 for (; i < colorString.length() && digitBuffer.size() < maxColorLength; i++) { 1006 if (!isASCIIHexDigit(colorString[i])) 1007 digitBuffer.append('0'); 1008 else 1009 digitBuffer.append(colorString[i]); 1010 } 1011 1012 if (!digitBuffer.size()) 1013 return Color::black; 1014 1015 // Pad the buffer out to at least the next multiple of three in size. 1016 digitBuffer.append('0'); 1017 digitBuffer.append('0'); 1018 1019 if (digitBuffer.size() < 6) 1020 return makeRGB(toASCIIHexValue(digitBuffer[0]), toASCIIHexValue(digitBuffer[1]), toASCIIHexValue(digitBuffer[2])); 1021 1022 // Split the digits into three components, then search the last 8 digits of each component. 1023 ASSERT(digitBuffer.size() >= 6); 1024 size_t componentLength = digitBuffer.size() / 3; 1025 size_t componentSearchWindowLength = min<size_t>(componentLength, 8); 1026 size_t redIndex = componentLength - componentSearchWindowLength; 1027 size_t greenIndex = componentLength * 2 - componentSearchWindowLength; 1028 size_t blueIndex = componentLength * 3 - componentSearchWindowLength; 1029 // Skip digits until one of them is non-zero, or we've only got two digits left in the component. 1030 while (digitBuffer[redIndex] == '0' && digitBuffer[greenIndex] == '0' && digitBuffer[blueIndex] == '0' && (componentLength - redIndex) > 2) { 1031 redIndex++; 1032 greenIndex++; 1033 blueIndex++; 1034 } 1035 ASSERT(redIndex + 1 < componentLength); 1036 ASSERT(greenIndex >= componentLength); 1037 ASSERT(greenIndex + 1 < componentLength * 2); 1038 ASSERT(blueIndex >= componentLength * 2); 1039 ASSERT_WITH_SECURITY_IMPLICATION(blueIndex + 1 < digitBuffer.size()); 1040 1041 int redValue = toASCIIHexValue(digitBuffer[redIndex], digitBuffer[redIndex + 1]); 1042 int greenValue = toASCIIHexValue(digitBuffer[greenIndex], digitBuffer[greenIndex + 1]); 1043 int blueValue = toASCIIHexValue(digitBuffer[blueIndex], digitBuffer[blueIndex + 1]); 1044 return makeRGB(redValue, greenValue, blueValue); 1045 } 1046 1047 // Color parsing that matches HTML's "rules for parsing a legacy color value" 1048 void HTMLElement::addHTMLColorToStyle(MutableStylePropertySet* style, CSSPropertyID propertyID, const String& attributeValue) 1049 { 1050 // An empty string doesn't apply a color. (One containing only whitespace does, which is why this check occurs before stripping.) 1051 if (attributeValue.isEmpty()) 1052 return; 1053 1054 String colorString = attributeValue.stripWhiteSpace(); 1055 1056 // "transparent" doesn't apply a color either. 1057 if (equalIgnoringCase(colorString, "transparent")) 1058 return; 1059 1060 // If the string is a named CSS color or a 3/6-digit hex color, use that. 1061 StyleColor parsedColor(colorString); 1062 if (!parsedColor.isValid()) 1063 parsedColor = parseColorStringWithCrazyLegacyRules(colorString); 1064 1065 style->setProperty(propertyID, cssValuePool().createColorValue(parsedColor.rgb())); 1066 } 1067 1068 void HTMLElement::defaultEventHandler(Event* event) 1069 { 1070 if (event->type() == eventNames().keypressEvent && event->isKeyboardEvent()) { 1071 handleKeypressEvent(toKeyboardEvent(event)); 1072 if (event->defaultHandled()) 1073 return; 1074 } 1075 1076 Element::defaultEventHandler(event); 1077 } 1078 1079 void HTMLElement::handleKeypressEvent(KeyboardEvent* event) 1080 { 1081 if (!document()->settings() || !document()->settings()->spatialNavigationEnabled() || !supportsFocus()) 1082 return; 1083 // if the element is a text form control (like <input type=text> or <textarea>) 1084 // or has contentEditable attribute on, we should enter a space or newline 1085 // even in spatial navigation mode instead of handling it as a "click" action. 1086 if (isTextFormControl() || isContentEditable()) 1087 return; 1088 int charCode = event->charCode(); 1089 if (charCode == '\r' || charCode == ' ') { 1090 dispatchSimulatedClick(event); 1091 event->setDefaultHandled(); 1092 } 1093 } 1094 1095 } // namespace WebCore 1096 1097 #ifndef NDEBUG 1098 1099 // For use in the debugger 1100 void dumpInnerHTML(WebCore::HTMLElement*); 1101 1102 void dumpInnerHTML(WebCore::HTMLElement* element) 1103 { 1104 printf("%s\n", element->innerHTML().ascii().data()); 1105 } 1106 #endif 1107
