src/third_party/WebKit/Source/core/html/HTMLInputElement.cpp

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2001 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
   6  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
   7  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
   8  * Copyright (C) 2010 Google Inc. All rights reserved.
   9  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  10  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Library General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Library General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Library General Public License
  23  * along with this library; see the file COPYING.LIB.  If not, write to
  24  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  25  * Boston, MA 02110-1301, USA.
  26  *
  27  */
  28
  29 #include "config.h"
  30 #include "core/html/HTMLInputElement.h"
  31
  32 #include "CSSPropertyNames.h"
  33 #include "HTMLNames.h"
  34 #include "RuntimeEnabledFeatures.h"
  35 #include "bindings/v8/ExceptionMessages.h"
  36 #include "bindings/v8/ExceptionState.h"
  37 #include "bindings/v8/ScriptEventListener.h"
  38 #include "core/accessibility/AXObjectCache.h"
  39 #include "core/dom/Document.h"
  40 #include "core/dom/ExceptionCode.h"
  41 #include "core/dom/IdTargetObserver.h"
  42 #include "core/dom/shadow/ElementShadow.h"
  43 #include "core/dom/shadow/InsertionPoint.h"
  44 #include "core/dom/shadow/ShadowRoot.h"
  45 #include "core/editing/FrameSelection.h"
  46 #include "core/editing/SpellChecker.h"
  47 #include "core/events/BeforeTextInsertedEvent.h"
  48 #include "core/events/KeyboardEvent.h"
  49 #include "core/events/MouseEvent.h"
  50 #include "core/events/ScopedEventQueue.h"
  51 #include "core/events/TouchEvent.h"
  52 #include "core/fileapi/FileList.h"
  53 #include "core/frame/FrameHost.h"
  54 #include "core/frame/FrameView.h"
  55 #include "core/frame/LocalFrame.h"
  56 #include "core/frame/UseCounter.h"
  57 #include "core/html/HTMLCollection.h"
  58 #include "core/html/HTMLDataListElement.h"
  59 #include "core/html/HTMLFormElement.h"
  60 #include "core/html/HTMLImageLoader.h"
  61 #include "core/html/HTMLOptionElement.h"
  62 #include "core/html/forms/ColorInputType.h"
  63 #include "core/html/forms/FileInputType.h"
  64 #include "core/html/forms/FormController.h"
  65 #include "core/html/forms/InputType.h"
  66 #include "core/html/forms/SearchInputType.h"
  67 #include "core/html/parser/HTMLParserIdioms.h"
  68 #include "core/html/shadow/ShadowElementNames.h"
  69 #include "core/page/Chrome.h"
  70 #include "core/page/ChromeClient.h"
  71 #include "core/rendering/RenderTextControlSingleLine.h"
  72 #include "core/rendering/RenderTheme.h"
  73 #include "platform/DateTimeChooser.h"
  74 #include "platform/Language.h"
  75 #include "platform/PlatformMouseEvent.h"
  76 #include "platform/text/PlatformLocale.h"
  77 #include "wtf/MathExtras.h"
  78
  79 using namespace std;
  80
  81 namespace WebCore {
  82
  83 using namespace HTMLNames;
  84
  85 class ListAttributeTargetObserver : public IdTargetObserver {
  86     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
  87 public:
  88     static PassOwnPtrWillBeRawPtr<ListAttributeTargetObserver> create(const AtomicString& id, HTMLInputElement*);
  89     virtual void trace(Visitor*) OVERRIDE;
  90     virtual void idTargetChanged() OVERRIDE;
  91
  92 private:
  93     ListAttributeTargetObserver(const AtomicString& id, HTMLInputElement*);
  94
  95     RawPtrWillBeMember<HTMLInputElement> m_element;
  96 };
  97
  98 // FIXME: According to HTML4, the length attribute's value can be arbitrarily
  99 // large. However, due to https://bugs.webkit.org/show_bug.cgi?id=14536 things
 100 // get rather sluggish when a text field has a larger number of characters than
 101 // this, even when just clicking in the text field.
 102 const int HTMLInputElement::maximumLength = 524288;
 103 const int defaultSize = 20;
 104 const int maxSavedResults = 256;
 105
 106 HTMLInputElement::HTMLInputElement(Document& document, HTMLFormElement* form, bool createdByParser)
 107     : HTMLTextFormControlElement(inputTag, document, form)
 108     , m_size(defaultSize)
 109     , m_maxLength(maximumLength)
 110     , m_maxResults(-1)
 111     , m_isChecked(false)
 112     , m_reflectsCheckedAttribute(true)
 113     , m_isIndeterminate(false)
 114     , m_isActivatedSubmit(false)
 115     , m_autocomplete(Uninitialized)
 116     , m_hasNonEmptyList(false)
 117     , m_stateRestored(false)
 118     , m_parsingInProgress(createdByParser)
 119     , m_valueAttributeWasUpdatedAfterParsing(false)
 120     , m_canReceiveDroppedFiles(false)
 121     , m_hasTouchEventHandler(false)
 122     , m_shouldRevealPassword(false)
 123     , m_needsToUpdateViewValue(true)
 124     , m_inputType(InputType::createText(*this))
 125     , m_inputTypeView(m_inputType)
 126 {
 127 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 128     setHasCustomStyleCallbacks();
 129 #endif
 130     ScriptWrappable::init(this);
 131 }
 132
 133 PassRefPtrWillBeRawPtr<HTMLInputElement> HTMLInputElement::create(Document& document, HTMLFormElement* form, bool createdByParser)
 134 {
 135     RefPtrWillBeRawPtr<HTMLInputElement> inputElement = adoptRefWillBeRefCountedGarbageCollected(new HTMLInputElement(document, form, createdByParser));
 136     inputElement->ensureUserAgentShadowRoot();
 137     return inputElement.release();
 138 }
 139
 140 void HTMLInputElement::trace(Visitor* visitor)
 141 {
 142     visitor->trace(m_inputType);
 143     visitor->trace(m_inputTypeView);
 144     visitor->trace(m_listAttributeTargetObserver);
 145     HTMLTextFormControlElement::trace(visitor);
 146 }
 147
 148 HTMLImageLoader* HTMLInputElement::imageLoader()
 149 {
 150     if (!m_imageLoader)
 151         m_imageLoader = adoptPtr(new HTMLImageLoader(this));
 152     return m_imageLoader.get();
 153 }
 154
 155 void HTMLInputElement::didAddUserAgentShadowRoot(ShadowRoot&)
 156 {
 157     m_inputTypeView->createShadowSubtree();
 158 }
 159
 160 void HTMLInputElement::willAddFirstAuthorShadowRoot()
 161 {
 162     m_inputTypeView->destroyShadowSubtree();
 163     m_inputTypeView = InputTypeView::create(*this);
 164     lazyReattachIfAttached();
 165 }
 166
 167 HTMLInputElement::~HTMLInputElement()
 168 {
 169 #if !ENABLE(OILPAN)
 170     // Need to remove form association while this is still an HTMLInputElement
 171     // so that virtual functions are called correctly.
 172     setForm(0);
 173     // setForm(0) may register this to a document-level radio button group.
 174     // We should unregister it to avoid accessing a deleted object.
 175     if (isRadioButton())
 176         document().formController().radioButtonGroupScope().removeButton(this);
 177     if (m_hasTouchEventHandler)
 178         document().didRemoveTouchEventHandler(this);
 179 #endif
 180 }
 181
 182 const AtomicString& HTMLInputElement::name() const
 183 {
 184     return m_name.isNull() ? emptyAtom : m_name;
 185 }
 186
 187 Vector<FileChooserFileInfo> HTMLInputElement::filesFromFileInputFormControlState(const FormControlState& state)
 188 {
 189     return FileInputType::filesFromFormControlState(state);
 190 }
 191
 192 HTMLElement* HTMLInputElement::passwordGeneratorButtonElement() const
 193 {
 194     return toHTMLElement(userAgentShadowRoot()->getElementById(ShadowElementNames::passwordGenerator()));
 195 }
 196
 197 bool HTMLInputElement::shouldAutocomplete() const
 198 {
 199     if (m_autocomplete != Uninitialized)
 200         return m_autocomplete == On;
 201     return HTMLTextFormControlElement::shouldAutocomplete();
 202 }
 203
 204 bool HTMLInputElement::isValidValue(const String& value) const
 205 {
 206     if (!m_inputType->canSetStringValue()) {
 207         ASSERT_NOT_REACHED();
 208         return false;
 209     }
 210     return !m_inputType->typeMismatchFor(value)
 211         && !m_inputType->stepMismatch(value)
 212         && !m_inputType->rangeUnderflow(value)
 213         && !m_inputType->rangeOverflow(value)
 214         && !tooLong(value, IgnoreDirtyFlag)
 215         && !m_inputType->patternMismatch(value)
 216         && !m_inputType->valueMissing(value);
 217 }
 218
 219 bool HTMLInputElement::tooLong() const
 220 {
 221     return willValidate() && tooLong(value(), CheckDirtyFlag);
 222 }
 223
 224 bool HTMLInputElement::typeMismatch() const
 225 {
 226     return willValidate() && m_inputType->typeMismatch();
 227 }
 228
 229 bool HTMLInputElement::valueMissing() const
 230 {
 231     return willValidate() && m_inputType->valueMissing(value());
 232 }
 233
 234 bool HTMLInputElement::hasBadInput() const
 235 {
 236     return willValidate() && m_inputType->hasBadInput();
 237 }
 238
 239 bool HTMLInputElement::patternMismatch() const
 240 {
 241     return willValidate() && m_inputType->patternMismatch(value());
 242 }
 243
 244 bool HTMLInputElement::tooLong(const String& value, NeedsToCheckDirtyFlag check) const
 245 {
 246     // We use isTextType() instead of supportsMaxLength() because of the
 247     // 'virtual' overhead.
 248     if (!isTextType())
 249         return false;
 250     int max = maxLength();
 251     if (max < 0)
 252         return false;
 253     if (check == CheckDirtyFlag) {
 254         // Return false for the default value or a value set by a script even if
 255         // it is longer than maxLength.
 256         if (!hasDirtyValue() || !lastChangeWasUserEdit())
 257             return false;
 258     }
 259     return value.length() > static_cast<unsigned>(max);
 260 }
 261
 262 bool HTMLInputElement::rangeUnderflow() const
 263 {
 264     return willValidate() && m_inputType->rangeUnderflow(value());
 265 }
 266
 267 bool HTMLInputElement::rangeOverflow() const
 268 {
 269     return willValidate() && m_inputType->rangeOverflow(value());
 270 }
 271
 272 String HTMLInputElement::validationMessage() const
 273 {
 274     if (!willValidate())
 275         return String();
 276
 277     if (customError())
 278         return customValidationMessage();
 279
 280     return m_inputType->validationMessage();
 281 }
 282
 283 double HTMLInputElement::minimum() const
 284 {
 285     return m_inputType->minimum();
 286 }
 287
 288 double HTMLInputElement::maximum() const
 289 {
 290     return m_inputType->maximum();
 291 }
 292
 293 bool HTMLInputElement::stepMismatch() const
 294 {
 295     return willValidate() && m_inputType->stepMismatch(value());
 296 }
 297
 298 bool HTMLInputElement::getAllowedValueStep(Decimal* step) const
 299 {
 300     return m_inputType->getAllowedValueStep(step);
 301 }
 302
 303 StepRange HTMLInputElement::createStepRange(AnyStepHandling anyStepHandling) const
 304 {
 305     return m_inputType->createStepRange(anyStepHandling);
 306 }
 307
 308 Decimal HTMLInputElement::findClosestTickMarkValue(const Decimal& value)
 309 {
 310     return m_inputType->findClosestTickMarkValue(value);
 311 }
 312
 313 void HTMLInputElement::stepUp(int n, ExceptionState& exceptionState)
 314 {
 315     m_inputType->stepUp(n, exceptionState);
 316 }
 317
 318 void HTMLInputElement::stepDown(int n, ExceptionState& exceptionState)
 319 {
 320     m_inputType->stepUp(-n, exceptionState);
 321 }
 322
 323 void HTMLInputElement::blur()
 324 {
 325     m_inputTypeView->blur();
 326 }
 327
 328 void HTMLInputElement::defaultBlur()
 329 {
 330     HTMLTextFormControlElement::blur();
 331 }
 332
 333 bool HTMLInputElement::hasCustomFocusLogic() const
 334 {
 335     return m_inputTypeView->hasCustomFocusLogic();
 336 }
 337
 338 bool HTMLInputElement::isKeyboardFocusable() const
 339 {
 340     return m_inputType->isKeyboardFocusable();
 341 }
 342
 343 bool HTMLInputElement::shouldShowFocusRingOnMouseFocus() const
 344 {
 345     return m_inputType->shouldShowFocusRingOnMouseFocus();
 346 }
 347
 348 void HTMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
 349 {
 350     if (isTextField()) {
 351         if (!restorePreviousSelection)
 352             select();
 353         else
 354             restoreCachedSelection();
 355         if (document().frame())
 356             document().frame()->selection().revealSelection();
 357     } else
 358         HTMLTextFormControlElement::updateFocusAppearance(restorePreviousSelection);
 359 }
 360
 361 void HTMLInputElement::beginEditing()
 362 {
 363     ASSERT(document().isActive());
 364     if (!document().isActive())
 365         return;
 366
 367     if (!isTextField())
 368         return;
 369
 370     document().frame()->spellChecker().didBeginEditing(this);
 371 }
 372
 373 void HTMLInputElement::endEditing()
 374 {
 375     ASSERT(document().isActive());
 376     if (!document().isActive())
 377         return;
 378
 379     if (!isTextField())
 380         return;
 381
 382     LocalFrame* frame = document().frame();
 383     frame->spellChecker().didEndEditingOnTextField(this);
 384     frame->host()->chrome().client().didEndEditingOnTextField(*this);
 385 }
 386
 387 bool HTMLInputElement::shouldUseInputMethod()
 388 {
 389     return m_inputType->shouldUseInputMethod();
 390 }
 391
 392 void HTMLInputElement::handleFocusEvent(Element* oldFocusedElement, FocusType type)
 393 {
 394     m_inputTypeView->handleFocusEvent(oldFocusedElement, type);
 395     m_inputType->enableSecureTextInput();
 396 }
 397
 398 void HTMLInputElement::handleBlurEvent()
 399 {
 400     m_inputType->disableSecureTextInput();
 401     m_inputTypeView->handleBlurEvent();
 402 }
 403
 404 void HTMLInputElement::setType(const AtomicString& type)
 405 {
 406     setAttribute(typeAttr, type);
 407 }
 408
 409 void HTMLInputElement::updateType()
 410 {
 411     const AtomicString& newTypeName = InputType::normalizeTypeName(fastGetAttribute(typeAttr));
 412
 413     if (m_inputType->formControlType() == newTypeName)
 414         return;
 415
 416     RefPtrWillBeRawPtr<InputType> newType = InputType::create(*this, newTypeName);
 417     removeFromRadioButtonGroup();
 418
 419     bool didStoreValue = m_inputType->storesValueSeparateFromAttribute();
 420     bool didRespectHeightAndWidth = m_inputType->shouldRespectHeightAndWidthAttributes();
 421
 422     m_inputTypeView->destroyShadowSubtree();
 423     lazyReattachIfAttached();
 424
 425     m_inputType = newType.release();
 426     if (hasAuthorShadowRoot())
 427         m_inputTypeView = InputTypeView::create(*this);
 428     else
 429         m_inputTypeView = m_inputType;
 430     m_inputTypeView->createShadowSubtree();
 431
 432     bool hasTouchEventHandler = m_inputTypeView->hasTouchEventHandler();
 433     if (hasTouchEventHandler != m_hasTouchEventHandler) {
 434         if (hasTouchEventHandler)
 435             document().didAddTouchEventHandler(this);
 436         else
 437             document().didRemoveTouchEventHandler(this);
 438         m_hasTouchEventHandler = hasTouchEventHandler;
 439     }
 440
 441     setNeedsWillValidateCheck();
 442
 443     bool willStoreValue = m_inputType->storesValueSeparateFromAttribute();
 444
 445     if (didStoreValue && !willStoreValue && hasDirtyValue()) {
 446         setAttribute(valueAttr, AtomicString(m_valueIfDirty));
 447         m_valueIfDirty = String();
 448     }
 449     if (!didStoreValue && willStoreValue) {
 450         AtomicString valueString = fastGetAttribute(valueAttr);
 451         m_valueIfDirty = sanitizeValue(valueString);
 452     } else
 453         updateValueIfNeeded();
 454
 455     m_needsToUpdateViewValue = true;
 456     m_inputTypeView->updateView();
 457
 458     if (didRespectHeightAndWidth != m_inputType->shouldRespectHeightAndWidthAttributes()) {
 459         ASSERT(elementData());
 460         if (const Attribute* height = getAttributeItem(heightAttr))
 461             attributeChanged(heightAttr, height->value());
 462         if (const Attribute* width = getAttributeItem(widthAttr))
 463             attributeChanged(widthAttr, width->value());
 464         if (const Attribute* align = getAttributeItem(alignAttr))
 465             attributeChanged(alignAttr, align->value());
 466     }
 467
 468     if (document().focusedElement() == this)
 469         document().updateFocusAppearanceSoon(true /* restore selection */);
 470
 471     setChangedSinceLastFormControlChangeEvent(false);
 472
 473     addToRadioButtonGroup();
 474
 475     setNeedsValidityCheck();
 476     notifyFormStateChanged();
 477 }
 478
 479 void HTMLInputElement::subtreeHasChanged()
 480 {
 481     m_inputTypeView->subtreeHasChanged();
 482     // When typing in an input field, childrenChanged is not called, so we need to force the directionality check.
 483     calculateAndAdjustDirectionality();
 484 }
 485
 486 const AtomicString& HTMLInputElement::formControlType() const
 487 {
 488     return m_inputType->formControlType();
 489 }
 490
 491 bool HTMLInputElement::shouldSaveAndRestoreFormControlState() const
 492 {
 493     if (!m_inputType->shouldSaveAndRestoreFormControlState())
 494         return false;
 495     return HTMLTextFormControlElement::shouldSaveAndRestoreFormControlState();
 496 }
 497
 498 FormControlState HTMLInputElement::saveFormControlState() const
 499 {
 500     return m_inputType->saveFormControlState();
 501 }
 502
 503 void HTMLInputElement::restoreFormControlState(const FormControlState& state)
 504 {
 505     m_inputType->restoreFormControlState(state);
 506     m_stateRestored = true;
 507 }
 508
 509 bool HTMLInputElement::canStartSelection() const
 510 {
 511     if (!isTextField())
 512         return false;
 513     return HTMLTextFormControlElement::canStartSelection();
 514 }
 515
 516 int HTMLInputElement::selectionStartForBinding(ExceptionState& exceptionState) const
 517 {
 518     if (!m_inputType->supportsSelectionAPI()) {
 519         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 520         return 0;
 521     }
 522     return HTMLTextFormControlElement::selectionStart();
 523 }
 524
 525 int HTMLInputElement::selectionEndForBinding(ExceptionState& exceptionState) const
 526 {
 527     if (!m_inputType->supportsSelectionAPI()) {
 528         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 529         return 0;
 530     }
 531     return HTMLTextFormControlElement::selectionEnd();
 532 }
 533
 534 String HTMLInputElement::selectionDirectionForBinding(ExceptionState& exceptionState) const
 535 {
 536     if (!m_inputType->supportsSelectionAPI()) {
 537         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 538         return String();
 539     }
 540     return HTMLTextFormControlElement::selectionDirection();
 541 }
 542
 543 void HTMLInputElement::setSelectionStartForBinding(int start, ExceptionState& exceptionState)
 544 {
 545     if (!m_inputType->supportsSelectionAPI()) {
 546         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 547         return;
 548     }
 549     HTMLTextFormControlElement::setSelectionStart(start);
 550 }
 551
 552 void HTMLInputElement::setSelectionEndForBinding(int end, ExceptionState& exceptionState)
 553 {
 554     if (!m_inputType->supportsSelectionAPI()) {
 555         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 556         return;
 557     }
 558     HTMLTextFormControlElement::setSelectionEnd(end);
 559 }
 560
 561 void HTMLInputElement::setSelectionDirectionForBinding(const String& direction, ExceptionState& exceptionState)
 562 {
 563     if (!m_inputType->supportsSelectionAPI()) {
 564         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 565         return;
 566     }
 567     HTMLTextFormControlElement::setSelectionDirection(direction);
 568 }
 569
 570 void HTMLInputElement::setSelectionRangeForBinding(int start, int end, ExceptionState& exceptionState)
 571 {
 572     if (!m_inputType->supportsSelectionAPI()) {
 573         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 574         return;
 575     }
 576     HTMLTextFormControlElement::setSelectionRange(start, end);
 577 }
 578
 579 void HTMLInputElement::setSelectionRangeForBinding(int start, int end, const String& direction, ExceptionState& exceptionState)
 580 {
 581     if (!m_inputType->supportsSelectionAPI()) {
 582         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
 583         return;
 584     }
 585     HTMLTextFormControlElement::setSelectionRange(start, end, direction);
 586 }
 587
 588 void HTMLInputElement::accessKeyAction(bool sendMouseEvents)
 589 {
 590     m_inputType->accessKeyAction(sendMouseEvents);
 591 }
 592
 593 bool HTMLInputElement::isPresentationAttribute(const QualifiedName& name) const
 594 {
 595     if (name == vspaceAttr || name == hspaceAttr || name == alignAttr || name == widthAttr || name == heightAttr || (name == borderAttr && isImageButton()))
 596         return true;
 597     return HTMLTextFormControlElement::isPresentationAttribute(name);
 598 }
 599
 600 void HTMLInputElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
 601 {
 602     if (name == vspaceAttr) {
 603         addHTMLLengthToStyle(style, CSSPropertyMarginTop, value);
 604         addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value);
 605     } else if (name == hspaceAttr) {
 606         addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value);
 607         addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
 608     } else if (name == alignAttr) {
 609         if (m_inputType->shouldRespectAlignAttribute())
 610             applyAlignmentAttributeToStyle(value, style);
 611     } else if (name == widthAttr) {
 612         if (m_inputType->shouldRespectHeightAndWidthAttributes())
 613             addHTMLLengthToStyle(style, CSSPropertyWidth, value);
 614     } else if (name == heightAttr) {
 615         if (m_inputType->shouldRespectHeightAndWidthAttributes())
 616             addHTMLLengthToStyle(style, CSSPropertyHeight, value);
 617     } else if (name == borderAttr && isImageButton())
 618         applyBorderAttributeToStyle(value, style);
 619     else
 620         HTMLTextFormControlElement::collectStyleForPresentationAttribute(name, value, style);
 621 }
 622
 623 void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 624 {
 625     if (name == nameAttr) {
 626         removeFromRadioButtonGroup();
 627         m_name = value;
 628         addToRadioButtonGroup();
 629         HTMLTextFormControlElement::parseAttribute(name, value);
 630     } else if (name == autocompleteAttr) {
 631         if (equalIgnoringCase(value, "off"))
 632             m_autocomplete = Off;
 633         else {
 634             if (value.isEmpty())
 635                 m_autocomplete = Uninitialized;
 636             else
 637                 m_autocomplete = On;
 638         }
 639     } else if (name == typeAttr)
 640         updateType();
 641     else if (name == valueAttr) {
 642         // We only need to setChanged if the form is looking at the default value right now.
 643         if (!hasDirtyValue()) {
 644             updatePlaceholderVisibility(false);
 645             setNeedsStyleRecalc(SubtreeStyleChange);
 646         }
 647         m_needsToUpdateViewValue = true;
 648         setNeedsValidityCheck();
 649         m_valueAttributeWasUpdatedAfterParsing = !m_parsingInProgress;
 650         m_inputTypeView->valueAttributeChanged();
 651     } else if (name == checkedAttr) {
 652         // Another radio button in the same group might be checked by state
 653         // restore. We shouldn't call setChecked() even if this has the checked
 654         // attribute. So, delay the setChecked() call until
 655         // finishParsingChildren() is called if parsing is in progress.
 656         if (!m_parsingInProgress && m_reflectsCheckedAttribute) {
 657             setChecked(!value.isNull());
 658             m_reflectsCheckedAttribute = true;
 659         }
 660     } else if (name == maxlengthAttr)
 661         parseMaxLengthAttribute(value);
 662     else if (name == sizeAttr) {
 663         int oldSize = m_size;
 664         int valueAsInteger = value.toInt();
 665         m_size = valueAsInteger > 0 ? valueAsInteger : defaultSize;
 666         if (m_size != oldSize && renderer())
 667             renderer()->setNeedsLayoutAndPrefWidthsRecalc();
 668     } else if (name == altAttr)
 669         m_inputTypeView->altAttributeChanged();
 670     else if (name == srcAttr)
 671         m_inputTypeView->srcAttributeChanged();
 672     else if (name == usemapAttr || name == accesskeyAttr) {
 673         // FIXME: ignore for the moment
 674     } else if (name == onsearchAttr) {
 675         // Search field and slider attributes all just cause updateFromElement to be called through style recalcing.
 676         setAttributeEventListener(EventTypeNames::search, createAttributeEventListener(this, name, value));
 677     } else if (name == resultsAttr) {
 678         int oldResults = m_maxResults;
 679         m_maxResults = !value.isNull() ? std::min(value.toInt(), maxSavedResults) : -1;
 680         // FIXME: Detaching just for maxResults change is not ideal.  We should figure out the right
 681         // time to relayout for this change.
 682         if (m_maxResults != oldResults && (m_maxResults <= 0 || oldResults <= 0))
 683             lazyReattachIfAttached();
 684         setNeedsStyleRecalc(SubtreeStyleChange);
 685         UseCounter::count(document(), UseCounter::ResultsAttribute);
 686     } else if (name == incrementalAttr) {
 687         setNeedsStyleRecalc(SubtreeStyleChange);
 688         UseCounter::count(document(), UseCounter::IncrementalAttribute);
 689     } else if (name == minAttr) {
 690         m_inputTypeView->minOrMaxAttributeChanged();
 691         m_inputType->sanitizeValueInResponseToMinOrMaxAttributeChange();
 692         setNeedsValidityCheck();
 693         UseCounter::count(document(), UseCounter::MinAttribute);
 694     } else if (name == maxAttr) {
 695         m_inputTypeView->minOrMaxAttributeChanged();
 696         setNeedsValidityCheck();
 697         UseCounter::count(document(), UseCounter::MaxAttribute);
 698     } else if (name == multipleAttr) {
 699         m_inputTypeView->multipleAttributeChanged();
 700         setNeedsValidityCheck();
 701     } else if (name == stepAttr) {
 702         m_inputTypeView->stepAttributeChanged();
 703         setNeedsValidityCheck();
 704         UseCounter::count(document(), UseCounter::StepAttribute);
 705     } else if (name == patternAttr) {
 706         setNeedsValidityCheck();
 707         UseCounter::count(document(), UseCounter::PatternAttribute);
 708     } else if (name == precisionAttr) {
 709         setNeedsValidityCheck();
 710         UseCounter::count(document(), UseCounter::PrecisionAttribute);
 711     } else if (name == disabledAttr) {
 712         HTMLTextFormControlElement::parseAttribute(name, value);
 713         m_inputTypeView->disabledAttributeChanged();
 714     } else if (name == readonlyAttr) {
 715         HTMLTextFormControlElement::parseAttribute(name, value);
 716         m_inputTypeView->readonlyAttributeChanged();
 717     } else if (name == listAttr) {
 718         m_hasNonEmptyList = !value.isEmpty();
 719         if (m_hasNonEmptyList) {
 720             resetListAttributeTargetObserver();
 721             listAttributeTargetChanged();
 722         }
 723         UseCounter::count(document(), UseCounter::ListAttribute);
 724     } else if (name == webkitdirectoryAttr) {
 725         HTMLTextFormControlElement::parseAttribute(name, value);
 726         UseCounter::count(document(), UseCounter::PrefixedDirectoryAttribute);
 727     }
 728     else
 729         HTMLTextFormControlElement::parseAttribute(name, value);
 730     m_inputTypeView->attributeChanged();
 731 }
 732
 733 void HTMLInputElement::finishParsingChildren()
 734 {
 735     m_parsingInProgress = false;
 736     HTMLTextFormControlElement::finishParsingChildren();
 737     if (!m_stateRestored) {
 738         bool checked = hasAttribute(checkedAttr);
 739         if (checked)
 740             setChecked(checked);
 741         m_reflectsCheckedAttribute = true;
 742     }
 743 }
 744
 745 bool HTMLInputElement::rendererIsNeeded(const RenderStyle& style)
 746 {
 747     return m_inputType->rendererIsNeeded() && HTMLTextFormControlElement::rendererIsNeeded(style);
 748 }
 749
 750 RenderObject* HTMLInputElement::createRenderer(RenderStyle* style)
 751 {
 752     return m_inputTypeView->createRenderer(style);
 753 }
 754
 755 void HTMLInputElement::attach(const AttachContext& context)
 756 {
 757     HTMLTextFormControlElement::attach(context);
 758
 759     m_inputTypeView->startResourceLoading();
 760     m_inputType->countUsage();
 761
 762     if (document().focusedElement() == this)
 763         document().updateFocusAppearanceSoon(true /* restore selection */);
 764 }
 765
 766 void HTMLInputElement::detach(const AttachContext& context)
 767 {
 768     HTMLTextFormControlElement::detach(context);
 769     m_needsToUpdateViewValue = true;
 770     m_inputTypeView->closePopupView();
 771 }
 772
 773 String HTMLInputElement::altText() const
 774 {
 775     // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
 776     // also heavily discussed by Hixie on bugzilla
 777     // note this is intentionally different to HTMLImageElement::altText()
 778     String alt = fastGetAttribute(altAttr);
 779     // fall back to title attribute
 780     if (alt.isNull())
 781         alt = fastGetAttribute(titleAttr);
 782     if (alt.isNull())
 783         alt = fastGetAttribute(valueAttr);
 784     if (alt.isEmpty())
 785         alt = locale().queryString(blink::WebLocalizedString::InputElementAltText);
 786     return alt;
 787 }
 788
 789 bool HTMLInputElement::canBeSuccessfulSubmitButton() const
 790 {
 791     return m_inputType->canBeSuccessfulSubmitButton();
 792 }
 793
 794 bool HTMLInputElement::isActivatedSubmit() const
 795 {
 796     return m_isActivatedSubmit;
 797 }
 798
 799 void HTMLInputElement::setActivatedSubmit(bool flag)
 800 {
 801     m_isActivatedSubmit = flag;
 802 }
 803
 804 bool HTMLInputElement::appendFormData(FormDataList& encoding, bool multipart)
 805 {
 806     return m_inputType->isFormDataAppendable() && m_inputType->appendFormData(encoding, multipart);
 807 }
 808
 809 String HTMLInputElement::resultForDialogSubmit()
 810 {
 811     return m_inputType->resultForDialogSubmit();
 812 }
 813
 814 void HTMLInputElement::resetImpl()
 815 {
 816     if (m_inputType->storesValueSeparateFromAttribute()) {
 817         setValue(String());
 818         setNeedsValidityCheck();
 819     }
 820
 821     setChecked(hasAttribute(checkedAttr));
 822     m_reflectsCheckedAttribute = true;
 823 }
 824
 825 bool HTMLInputElement::isTextField() const
 826 {
 827     return m_inputType->isTextField();
 828 }
 829
 830 bool HTMLInputElement::isTextType() const
 831 {
 832     return m_inputType->isTextType();
 833 }
 834
 835 void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventBehavior)
 836 {
 837     if (checked() == nowChecked)
 838         return;
 839
 840     RefPtrWillBeRawPtr<HTMLInputElement> protector(this);
 841     m_reflectsCheckedAttribute = false;
 842     m_isChecked = nowChecked;
 843     setNeedsStyleRecalc(SubtreeStyleChange);
 844
 845     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
 846         scope->updateCheckedState(this);
 847     if (renderer() && renderer()->style()->hasAppearance())
 848         RenderTheme::theme().stateChanged(renderer(), CheckedState);
 849
 850     setNeedsValidityCheck();
 851
 852     // Ideally we'd do this from the render tree (matching
 853     // RenderTextView), but it's not possible to do it at the moment
 854     // because of the way the code is structured.
 855     if (renderer()) {
 856         if (AXObjectCache* cache = renderer()->document().existingAXObjectCache())
 857             cache->checkedStateChanged(this);
 858     }
 859
 860     // Only send a change event for items in the document (avoid firing during
 861     // parsing) and don't send a change event for a radio button that's getting
 862     // unchecked to match other browsers. DOM is not a useful standard for this
 863     // because it says only to fire change events at "lose focus" time, which is
 864     // definitely wrong in practice for these types of elements.
 865     if (eventBehavior != DispatchNoEvent && inDocument() && m_inputType->shouldSendChangeEventAfterCheckedChanged()) {
 866         setTextAsOfLastFormControlChangeEvent(String());
 867         if (eventBehavior == DispatchInputAndChangeEvent)
 868             dispatchFormControlInputEvent();
 869         dispatchFormControlChangeEvent();
 870     }
 871
 872     didAffectSelector(AffectedSelectorChecked);
 873 }
 874
 875 void HTMLInputElement::setIndeterminate(bool newValue)
 876 {
 877     if (indeterminate() == newValue)
 878         return;
 879
 880     m_isIndeterminate = newValue;
 881
 882     didAffectSelector(AffectedSelectorIndeterminate);
 883
 884     if (renderer() && renderer()->style()->hasAppearance())
 885         RenderTheme::theme().stateChanged(renderer(), CheckedState);
 886 }
 887
 888 int HTMLInputElement::size() const
 889 {
 890     return m_size;
 891 }
 892
 893 bool HTMLInputElement::sizeShouldIncludeDecoration(int& preferredSize) const
 894 {
 895     return m_inputTypeView->sizeShouldIncludeDecoration(defaultSize, preferredSize);
 896 }
 897
 898 void HTMLInputElement::copyNonAttributePropertiesFromElement(const Element& source)
 899 {
 900     const HTMLInputElement& sourceElement = static_cast<const HTMLInputElement&>(source);
 901
 902     m_valueIfDirty = sourceElement.m_valueIfDirty;
 903     setChecked(sourceElement.m_isChecked);
 904     m_reflectsCheckedAttribute = sourceElement.m_reflectsCheckedAttribute;
 905     m_isIndeterminate = sourceElement.m_isIndeterminate;
 906     m_inputType->copyNonAttributeProperties(sourceElement);
 907
 908     HTMLTextFormControlElement::copyNonAttributePropertiesFromElement(source);
 909
 910     m_needsToUpdateViewValue = true;
 911     m_inputTypeView->updateView();
 912 }
 913
 914 String HTMLInputElement::value() const
 915 {
 916     String value;
 917     if (m_inputType->getTypeSpecificValue(value))
 918         return value;
 919
 920     value = m_valueIfDirty;
 921     if (!value.isNull())
 922         return value;
 923
 924     AtomicString valueString = fastGetAttribute(valueAttr);
 925     value = sanitizeValue(valueString);
 926     if (!value.isNull())
 927         return value;
 928
 929     return m_inputType->fallbackValue();
 930 }
 931
 932 String HTMLInputElement::valueWithDefault() const
 933 {
 934     String value = this->value();
 935     if (!value.isNull())
 936         return value;
 937
 938     return m_inputType->defaultValue();
 939 }
 940
 941 void HTMLInputElement::setValueForUser(const String& value)
 942 {
 943     // Call setValue and make it send a change event.
 944     setValue(value, DispatchChangeEvent);
 945 }
 946
 947 const String& HTMLInputElement::suggestedValue() const
 948 {
 949     return m_suggestedValue;
 950 }
 951
 952 void HTMLInputElement::setSuggestedValue(const String& value)
 953 {
 954     if (!m_inputType->canSetSuggestedValue())
 955         return;
 956     m_needsToUpdateViewValue = true;
 957     m_suggestedValue = sanitizeValue(value);
 958     setNeedsStyleRecalc(SubtreeStyleChange);
 959     m_inputTypeView->updateView();
 960 }
 961
 962 void HTMLInputElement::setEditingValue(const String& value)
 963 {
 964     if (!renderer() || !isTextField())
 965         return;
 966     setInnerTextValue(value);
 967     subtreeHasChanged();
 968
 969     unsigned max = value.length();
 970     if (focused())
 971         setSelectionRange(max, max);
 972     else
 973         cacheSelectionInResponseToSetValue(max);
 974
 975     dispatchInputEvent();
 976 }
 977
 978 void HTMLInputElement::setInnerTextValue(const String& value)
 979 {
 980     HTMLTextFormControlElement::setInnerTextValue(value);
 981     m_needsToUpdateViewValue = false;
 982 }
 983
 984 void HTMLInputElement::setValue(const String& value, ExceptionState& exceptionState, TextFieldEventBehavior eventBehavior)
 985 {
 986     if (isFileUpload() && !value.isEmpty()) {
 987         exceptionState.throwDOMException(InvalidStateError, "This input element accepts a filename, which may only be programmatically set to the empty string.");
 988         return;
 989     }
 990     setValue(value, eventBehavior);
 991 }
 992
 993 void HTMLInputElement::setValue(const String& value, TextFieldEventBehavior eventBehavior)
 994 {
 995     if (!m_inputType->canSetValue(value))
 996         return;
 997
 998     RefPtrWillBeRawPtr<HTMLInputElement> protector(this);
 999     EventQueueScope scope;
1000     String sanitizedValue = sanitizeValue(value);
1001     bool valueChanged = sanitizedValue != this->value();
1002
1003     setLastChangeWasNotUserEdit();
1004     m_needsToUpdateViewValue = true;
1005     m_suggestedValue = String(); // Prevent TextFieldInputType::setValue from using the suggested value.
1006
1007     m_inputType->setValue(sanitizedValue, valueChanged, eventBehavior);
1008
1009     if (valueChanged && eventBehavior == DispatchNoEvent)
1010         setTextAsOfLastFormControlChangeEvent(sanitizedValue);
1011
1012     if (!valueChanged)
1013         return;
1014
1015     notifyFormStateChanged();
1016 }
1017
1018 void HTMLInputElement::setValueInternal(const String& sanitizedValue, TextFieldEventBehavior eventBehavior)
1019 {
1020     m_valueIfDirty = sanitizedValue;
1021     setNeedsValidityCheck();
1022     if (document().focusedElement() == this)
1023         document().frameHost()->chrome().client().didUpdateTextOfFocusedElementByNonUserInput();
1024 }
1025
1026 void HTMLInputElement::updateView()
1027 {
1028     m_inputTypeView->updateView();
1029 }
1030
1031 double HTMLInputElement::valueAsDate(bool& isNull) const
1032 {
1033     double date =  m_inputType->valueAsDate();
1034     isNull = !std::isfinite(date);
1035     return date;
1036 }
1037
1038 void HTMLInputElement::setValueAsDate(double value, ExceptionState& exceptionState)
1039 {
1040     m_inputType->setValueAsDate(value, exceptionState);
1041 }
1042
1043 double HTMLInputElement::valueAsNumber() const
1044 {
1045     return m_inputType->valueAsDouble();
1046 }
1047
1048 void HTMLInputElement::setValueAsNumber(double newValue, ExceptionState& exceptionState, TextFieldEventBehavior eventBehavior)
1049 {
1050     // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html#dom-input-valueasnumber
1051     // On setting, if the new value is infinite, then throw a TypeError exception.
1052     if (std::isinf(newValue)) {
1053         exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(newValue));
1054         return;
1055     }
1056     m_inputType->setValueAsDouble(newValue, eventBehavior, exceptionState);
1057 }
1058
1059 void HTMLInputElement::setValueFromRenderer(const String& value)
1060 {
1061     // File upload controls will never use this.
1062     ASSERT(!isFileUpload());
1063
1064     m_suggestedValue = String();
1065
1066     // Renderer and our event handler are responsible for sanitizing values.
1067     ASSERT(value == sanitizeValue(value) || sanitizeValue(value).isEmpty());
1068
1069     m_valueIfDirty = value;
1070     m_needsToUpdateViewValue = false;
1071
1072     // Input event is fired by the Node::defaultEventHandler for editable controls.
1073     if (!isTextField())
1074         dispatchInputEvent();
1075     notifyFormStateChanged();
1076
1077     setNeedsValidityCheck();
1078
1079     // Clear autofill flag (and yellow background) on user edit.
1080     setAutofilled(false);
1081 }
1082
1083 void* HTMLInputElement::preDispatchEventHandler(Event* event)
1084 {
1085     if (event->type() == EventTypeNames::textInput && m_inputTypeView->shouldSubmitImplicitly(event)) {
1086         event->stopPropagation();
1087         return 0;
1088     }
1089     if (event->type() != EventTypeNames::click)
1090         return 0;
1091     if (!event->isMouseEvent() || toMouseEvent(event)->button() != LeftButton)
1092         return 0;
1093     // FIXME: Check whether there are any cases where this actually ends up leaking.
1094     return m_inputTypeView->willDispatchClick().leakPtr();
1095 }
1096
1097 void HTMLInputElement::postDispatchEventHandler(Event* event, void* dataFromPreDispatch)
1098 {
1099     OwnPtr<ClickHandlingState> state = adoptPtr(static_cast<ClickHandlingState*>(dataFromPreDispatch));
1100     if (!state)
1101         return;
1102     m_inputTypeView->didDispatchClick(event, *state);
1103 }
1104
1105 void HTMLInputElement::defaultEventHandler(Event* evt)
1106 {
1107     if (evt->isMouseEvent() && evt->type() == EventTypeNames::click && toMouseEvent(evt)->button() == LeftButton) {
1108         m_inputTypeView->handleClickEvent(toMouseEvent(evt));
1109         if (evt->defaultHandled())
1110             return;
1111     }
1112
1113     if (evt->isTouchEvent() && m_inputTypeView->hasTouchEventHandler()) {
1114         m_inputTypeView->handleTouchEvent(toTouchEvent(evt));
1115         if (evt->defaultHandled())
1116             return;
1117     }
1118
1119     if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keydown) {
1120         m_inputTypeView->handleKeydownEvent(toKeyboardEvent(evt));
1121         if (evt->defaultHandled())
1122             return;
1123     }
1124
1125     // Call the base event handler before any of our own event handling for almost all events in text fields.
1126     // Makes editing keyboard handling take precedence over the keydown and keypress handling in this function.
1127     bool callBaseClassEarly = isTextField() && (evt->type() == EventTypeNames::keydown || evt->type() == EventTypeNames::keypress);
1128     if (callBaseClassEarly) {
1129         HTMLTextFormControlElement::defaultEventHandler(evt);
1130         if (evt->defaultHandled())
1131             return;
1132     }
1133
1134     // DOMActivate events cause the input to be "activated" - in the case of image and submit inputs, this means
1135     // actually submitting the form. For reset inputs, the form is reset. These events are sent when the user clicks
1136     // on the element, or presses enter while it is the active element. JavaScript code wishing to activate the element
1137     // must dispatch a DOMActivate event - a click event will not do the job.
1138     if (evt->type() == EventTypeNames::DOMActivate) {
1139         m_inputType->handleDOMActivateEvent(evt);
1140         if (evt->defaultHandled())
1141             return;
1142     }
1143
1144     // Use key press event here since sending simulated mouse events
1145     // on key down blocks the proper sending of the key press event.
1146     if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keypress) {
1147         m_inputTypeView->handleKeypressEvent(toKeyboardEvent(evt));
1148         if (evt->defaultHandled())
1149             return;
1150     }
1151
1152     if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keyup) {
1153         m_inputTypeView->handleKeyupEvent(toKeyboardEvent(evt));
1154         if (evt->defaultHandled())
1155             return;
1156     }
1157
1158     if (m_inputTypeView->shouldSubmitImplicitly(evt)) {
1159         if (isSearchField())
1160             onSearch();
1161         // Form submission finishes editing, just as loss of focus does.
1162         // If there was a change, send the event now.
1163         if (wasChangedSinceLastFormControlChangeEvent())
1164             dispatchFormControlChangeEvent();
1165
1166         RefPtrWillBeRawPtr<HTMLFormElement> formForSubmission = m_inputTypeView->formForSubmission();
1167         // Form may never have been present, or may have been destroyed by code responding to the change event.
1168         if (formForSubmission)
1169             formForSubmission->submitImplicitly(evt, canTriggerImplicitSubmission());
1170
1171         evt->setDefaultHandled();
1172         return;
1173     }
1174
1175     if (evt->isBeforeTextInsertedEvent())
1176         m_inputTypeView->handleBeforeTextInsertedEvent(static_cast<BeforeTextInsertedEvent*>(evt));
1177
1178     if (evt->isMouseEvent() && evt->type() == EventTypeNames::mousedown) {
1179         m_inputTypeView->handleMouseDownEvent(toMouseEvent(evt));
1180         if (evt->defaultHandled())
1181             return;
1182     }
1183
1184     m_inputTypeView->forwardEvent(evt);
1185
1186     if (!callBaseClassEarly && !evt->defaultHandled())
1187         HTMLTextFormControlElement::defaultEventHandler(evt);
1188 }
1189
1190 bool HTMLInputElement::willRespondToMouseClickEvents()
1191 {
1192     // FIXME: Consider implementing willRespondToMouseClickEvents() in InputType if more accurate results are necessary.
1193     if (!isDisabledFormControl())
1194         return true;
1195
1196     return HTMLTextFormControlElement::willRespondToMouseClickEvents();
1197 }
1198
1199 bool HTMLInputElement::isURLAttribute(const Attribute& attribute) const
1200 {
1201     return attribute.name() == srcAttr || attribute.name() == formactionAttr || HTMLTextFormControlElement::isURLAttribute(attribute);
1202 }
1203
1204 bool HTMLInputElement::hasLegalLinkAttribute(const QualifiedName& name) const
1205 {
1206     return m_inputType->hasLegalLinkAttribute(name) || HTMLTextFormControlElement::hasLegalLinkAttribute(name);
1207 }
1208
1209 const QualifiedName& HTMLInputElement::subResourceAttributeName() const
1210 {
1211     return m_inputType->subResourceAttributeName();
1212 }
1213
1214 const AtomicString& HTMLInputElement::defaultValue() const
1215 {
1216     return fastGetAttribute(valueAttr);
1217 }
1218
1219 void HTMLInputElement::setDefaultValue(const AtomicString& value)
1220 {
1221     setAttribute(valueAttr, value);
1222 }
1223
1224 static inline bool isRFC2616TokenCharacter(UChar ch)
1225 {
1226     return isASCII(ch) && ch > ' ' && ch != '"' && ch != '(' && ch != ')' && ch != ',' && ch != '/' && (ch < ':' || ch > '@') && (ch < '[' || ch > ']') && ch != '{' && ch != '}' && ch != 0x7f;
1227 }
1228
1229 static bool isValidMIMEType(const String& type)
1230 {
1231     size_t slashPosition = type.find('/');
1232     if (slashPosition == kNotFound || !slashPosition || slashPosition == type.length() - 1)
1233         return false;
1234     for (size_t i = 0; i < type.length(); ++i) {
1235         if (!isRFC2616TokenCharacter(type[i]) && i != slashPosition)
1236             return false;
1237     }
1238     return true;
1239 }
1240
1241 static bool isValidFileExtension(const String& type)
1242 {
1243     if (type.length() < 2)
1244         return false;
1245     return type[0] == '.';
1246 }
1247
1248 static Vector<String> parseAcceptAttribute(const String& acceptString, bool (*predicate)(const String&))
1249 {
1250     Vector<String> types;
1251     if (acceptString.isEmpty())
1252         return types;
1253
1254     Vector<String> splitTypes;
1255     acceptString.split(',', false, splitTypes);
1256     for (size_t i = 0; i < splitTypes.size(); ++i) {
1257         String trimmedType = stripLeadingAndTrailingHTMLSpaces(splitTypes[i]);
1258         if (trimmedType.isEmpty())
1259             continue;
1260         if (!predicate(trimmedType))
1261             continue;
1262         types.append(trimmedType.lower());
1263     }
1264
1265     return types;
1266 }
1267
1268 Vector<String> HTMLInputElement::acceptMIMETypes()
1269 {
1270     return parseAcceptAttribute(fastGetAttribute(acceptAttr), isValidMIMEType);
1271 }
1272
1273 Vector<String> HTMLInputElement::acceptFileExtensions()
1274 {
1275     return parseAcceptAttribute(fastGetAttribute(acceptAttr), isValidFileExtension);
1276 }
1277
1278 const AtomicString& HTMLInputElement::alt() const
1279 {
1280     return fastGetAttribute(altAttr);
1281 }
1282
1283 int HTMLInputElement::maxLength() const
1284 {
1285     return m_maxLength;
1286 }
1287
1288 void HTMLInputElement::setMaxLength(int maxLength, ExceptionState& exceptionState)
1289 {
1290     if (maxLength < 0)
1291         exceptionState.throwDOMException(IndexSizeError, "The value provided (" + String::number(maxLength) + ") is negative.");
1292     else
1293         setIntegralAttribute(maxlengthAttr, maxLength);
1294 }
1295
1296 bool HTMLInputElement::multiple() const
1297 {
1298     return fastHasAttribute(multipleAttr);
1299 }
1300
1301 void HTMLInputElement::setSize(unsigned size)
1302 {
1303     setUnsignedIntegralAttribute(sizeAttr, size);
1304 }
1305
1306 void HTMLInputElement::setSize(unsigned size, ExceptionState& exceptionState)
1307 {
1308     if (!size)
1309         exceptionState.throwDOMException(IndexSizeError, "The value provided is 0, which is an invalid size.");
1310     else
1311         setSize(size);
1312 }
1313
1314 KURL HTMLInputElement::src() const
1315 {
1316     return document().completeURL(fastGetAttribute(srcAttr));
1317 }
1318
1319 FileList* HTMLInputElement::files() const
1320 {
1321     return m_inputType->files();
1322 }
1323
1324 void HTMLInputElement::setFiles(PassRefPtrWillBeRawPtr<FileList> files)
1325 {
1326     m_inputType->setFiles(files);
1327 }
1328
1329 bool HTMLInputElement::receiveDroppedFiles(const DragData* dragData)
1330 {
1331     return m_inputType->receiveDroppedFiles(dragData);
1332 }
1333
1334 String HTMLInputElement::droppedFileSystemId()
1335 {
1336     return m_inputType->droppedFileSystemId();
1337 }
1338
1339 bool HTMLInputElement::canReceiveDroppedFiles() const
1340 {
1341     return m_canReceiveDroppedFiles;
1342 }
1343
1344 void HTMLInputElement::setCanReceiveDroppedFiles(bool canReceiveDroppedFiles)
1345 {
1346     if (m_canReceiveDroppedFiles == canReceiveDroppedFiles)
1347         return;
1348     m_canReceiveDroppedFiles = canReceiveDroppedFiles;
1349     if (renderer())
1350         renderer()->updateFromElement();
1351 }
1352
1353 String HTMLInputElement::sanitizeValue(const String& proposedValue) const
1354 {
1355     if (proposedValue.isNull())
1356         return proposedValue;
1357     return m_inputType->sanitizeValue(proposedValue);
1358 }
1359
1360 String HTMLInputElement::localizeValue(const String& proposedValue) const
1361 {
1362     if (proposedValue.isNull())
1363         return proposedValue;
1364     return m_inputType->localizeValue(proposedValue);
1365 }
1366
1367 bool HTMLInputElement::isInRange() const
1368 {
1369     return m_inputType->isInRange(value());
1370 }
1371
1372 bool HTMLInputElement::isOutOfRange() const
1373 {
1374     return m_inputType->isOutOfRange(value());
1375 }
1376
1377 bool HTMLInputElement::isRequiredFormControl() const
1378 {
1379     return m_inputType->supportsRequired() && isRequired();
1380 }
1381
1382 bool HTMLInputElement::matchesReadOnlyPseudoClass() const
1383 {
1384     return m_inputType->supportsReadOnly() && isReadOnly();
1385 }
1386
1387 bool HTMLInputElement::matchesReadWritePseudoClass() const
1388 {
1389     return m_inputType->supportsReadOnly() && !isReadOnly();
1390 }
1391
1392 void HTMLInputElement::onSearch()
1393 {
1394     ASSERT(isSearchField());
1395     if (m_inputType)
1396         static_cast<SearchInputType*>(m_inputType.get())->stopSearchEventTimer();
1397     dispatchEvent(Event::createBubble(EventTypeNames::search));
1398 }
1399
1400 void HTMLInputElement::updateClearButtonVisibility()
1401 {
1402     m_inputTypeView->updateClearButtonVisibility();
1403 }
1404
1405 void HTMLInputElement::willChangeForm()
1406 {
1407     removeFromRadioButtonGroup();
1408     HTMLTextFormControlElement::willChangeForm();
1409 }
1410
1411 void HTMLInputElement::didChangeForm()
1412 {
1413     HTMLTextFormControlElement::didChangeForm();
1414     addToRadioButtonGroup();
1415 }
1416
1417 Node::InsertionNotificationRequest HTMLInputElement::insertedInto(ContainerNode* insertionPoint)
1418 {
1419     HTMLTextFormControlElement::insertedInto(insertionPoint);
1420     if (insertionPoint->inDocument() && !form())
1421         addToRadioButtonGroup();
1422     resetListAttributeTargetObserver();
1423     return InsertionDone;
1424 }
1425
1426 void HTMLInputElement::removedFrom(ContainerNode* insertionPoint)
1427 {
1428     if (insertionPoint->inDocument() && !form())
1429         removeFromRadioButtonGroup();
1430     HTMLTextFormControlElement::removedFrom(insertionPoint);
1431     ASSERT(!inDocument());
1432     resetListAttributeTargetObserver();
1433 }
1434
1435 void HTMLInputElement::didMoveToNewDocument(Document& oldDocument)
1436 {
1437     if (hasImageLoader())
1438         imageLoader()->elementDidMoveToNewDocument();
1439
1440     if (isRadioButton())
1441         oldDocument.formController().radioButtonGroupScope().removeButton(this);
1442     if (m_hasTouchEventHandler)
1443         oldDocument.didRemoveTouchEventHandler(this);
1444
1445     if (m_hasTouchEventHandler)
1446         document().didAddTouchEventHandler(this);
1447
1448     HTMLTextFormControlElement::didMoveToNewDocument(oldDocument);
1449 }
1450
1451 void HTMLInputElement::removeAllEventListeners()
1452 {
1453     HTMLTextFormControlElement::removeAllEventListeners();
1454     m_hasTouchEventHandler = false;
1455 }
1456
1457 bool HTMLInputElement::recalcWillValidate() const
1458 {
1459     return m_inputType->supportsValidation() && HTMLTextFormControlElement::recalcWillValidate();
1460 }
1461
1462 void HTMLInputElement::requiredAttributeChanged()
1463 {
1464     HTMLTextFormControlElement::requiredAttributeChanged();
1465     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
1466         scope->requiredAttributeChanged(this);
1467     m_inputTypeView->requiredAttributeChanged();
1468 }
1469
1470 void HTMLInputElement::selectColorInColorChooser(const Color& color)
1471 {
1472     if (!m_inputType->isColorControl())
1473         return;
1474     static_cast<ColorInputType*>(m_inputType.get())->didChooseColor(color);
1475 }
1476
1477 HTMLElement* HTMLInputElement::list() const
1478 {
1479     return dataList();
1480 }
1481
1482 HTMLDataListElement* HTMLInputElement::dataList() const
1483 {
1484     if (!m_hasNonEmptyList)
1485         return 0;
1486
1487     if (!m_inputType->shouldRespectListAttribute())
1488         return 0;
1489
1490     Element* element = treeScope().getElementById(fastGetAttribute(listAttr));
1491     if (!element)
1492         return 0;
1493     if (!isHTMLDataListElement(*element))
1494         return 0;
1495
1496     return toHTMLDataListElement(element);
1497 }
1498
1499 bool HTMLInputElement::hasValidDataListOptions() const
1500 {
1501     HTMLDataListElement* dataList = this->dataList();
1502     if (!dataList)
1503         return false;
1504     RefPtr<HTMLCollection> options = dataList->options();
1505     for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
1506         if (isValidValue(option->value()))
1507             return true;
1508     }
1509     return false;
1510 }
1511
1512 void HTMLInputElement::setListAttributeTargetObserver(PassOwnPtrWillBeRawPtr<ListAttributeTargetObserver> newObserver)
1513 {
1514     if (m_listAttributeTargetObserver)
1515         m_listAttributeTargetObserver->unregister();
1516     m_listAttributeTargetObserver = newObserver;
1517 }
1518
1519 void HTMLInputElement::resetListAttributeTargetObserver()
1520 {
1521     if (inDocument())
1522         setListAttributeTargetObserver(ListAttributeTargetObserver::create(fastGetAttribute(listAttr), this));
1523     else
1524         setListAttributeTargetObserver(nullptr);
1525 }
1526
1527 void HTMLInputElement::listAttributeTargetChanged()
1528 {
1529     m_inputTypeView->listAttributeTargetChanged();
1530 }
1531
1532 bool HTMLInputElement::isSteppable() const
1533 {
1534     return m_inputType->isSteppable();
1535 }
1536
1537 bool HTMLInputElement::isTextButton() const
1538 {
1539     return m_inputType->isTextButton();
1540 }
1541
1542 bool HTMLInputElement::isRadioButton() const
1543 {
1544     return m_inputType->isRadioButton();
1545 }
1546
1547 bool HTMLInputElement::isSearchField() const
1548 {
1549     return m_inputType->isSearchField();
1550 }
1551
1552 bool HTMLInputElement::isInputTypeHidden() const
1553 {
1554     return m_inputType->isHiddenType();
1555 }
1556
1557 bool HTMLInputElement::isPasswordField() const
1558 {
1559     return m_inputType->isPasswordField();
1560 }
1561
1562 bool HTMLInputElement::isCheckbox() const
1563 {
1564     return m_inputType->isCheckbox();
1565 }
1566
1567 bool HTMLInputElement::isRangeControl() const
1568 {
1569     return m_inputType->isRangeControl();
1570 }
1571
1572 bool HTMLInputElement::isText() const
1573 {
1574     return m_inputType->isTextType();
1575 }
1576
1577 bool HTMLInputElement::isEmailField() const
1578 {
1579     return m_inputType->isEmailField();
1580 }
1581
1582 bool HTMLInputElement::isFileUpload() const
1583 {
1584     return m_inputType->isFileUpload();
1585 }
1586
1587 bool HTMLInputElement::isImageButton() const
1588 {
1589     return m_inputType->isImageButton();
1590 }
1591
1592 bool HTMLInputElement::isNumberField() const
1593 {
1594     return m_inputType->isNumberField();
1595 }
1596
1597 bool HTMLInputElement::isTelephoneField() const
1598 {
1599     return m_inputType->isTelephoneField();
1600 }
1601
1602 bool HTMLInputElement::isURLField() const
1603 {
1604     return m_inputType->isURLField();
1605 }
1606
1607 bool HTMLInputElement::isDateField() const
1608 {
1609     return m_inputType->isDateField();
1610 }
1611
1612 bool HTMLInputElement::isDateTimeLocalField() const
1613 {
1614     return m_inputType->isDateTimeLocalField();
1615 }
1616
1617 bool HTMLInputElement::isMonthField() const
1618 {
1619     return m_inputType->isMonthField();
1620 }
1621
1622 bool HTMLInputElement::isTimeField() const
1623 {
1624     return m_inputType->isTimeField();
1625 }
1626
1627 bool HTMLInputElement::isWeekField() const
1628 {
1629     return m_inputType->isWeekField();
1630 }
1631
1632 bool HTMLInputElement::isEnumeratable() const
1633 {
1634     return m_inputType->isEnumeratable();
1635 }
1636
1637 bool HTMLInputElement::supportLabels() const
1638 {
1639     return m_inputType->isInteractiveContent();
1640 }
1641
1642 bool HTMLInputElement::shouldAppearChecked() const
1643 {
1644     return checked() && m_inputType->isCheckable();
1645 }
1646
1647 bool HTMLInputElement::supportsPlaceholder() const
1648 {
1649     return m_inputType->supportsPlaceholder();
1650 }
1651
1652 void HTMLInputElement::updatePlaceholderText()
1653 {
1654     return m_inputTypeView->updatePlaceholderText();
1655 }
1656
1657 void HTMLInputElement::parseMaxLengthAttribute(const AtomicString& value)
1658 {
1659     int maxLength;
1660     if (!parseHTMLInteger(value, maxLength))
1661         maxLength = maximumLength;
1662     if (maxLength < 0 || maxLength > maximumLength)
1663         maxLength = maximumLength;
1664     int oldMaxLength = m_maxLength;
1665     m_maxLength = maxLength;
1666     if (oldMaxLength != maxLength)
1667         updateValueIfNeeded();
1668     setNeedsStyleRecalc(SubtreeStyleChange);
1669     setNeedsValidityCheck();
1670 }
1671
1672 void HTMLInputElement::updateValueIfNeeded()
1673 {
1674     String newValue = sanitizeValue(m_valueIfDirty);
1675     ASSERT(!m_valueIfDirty.isNull() || newValue.isNull());
1676     if (newValue != m_valueIfDirty)
1677         setValue(newValue);
1678 }
1679
1680 String HTMLInputElement::defaultToolTip() const
1681 {
1682     return m_inputType->defaultToolTip();
1683 }
1684
1685 bool HTMLInputElement::shouldAppearIndeterminate() const
1686 {
1687     return m_inputType->supportsIndeterminateAppearance() && indeterminate();
1688 }
1689
1690 #if ENABLE(MEDIA_CAPTURE)
1691 bool HTMLInputElement::capture() const
1692 {
1693     if (!isFileUpload() || !fastHasAttribute(captureAttr))
1694         return false;
1695
1696     // As per crbug.com/240252, emit a deprecation warning when the "capture"
1697     // attribute is used as an enum. The spec has been updated and "capture" is
1698     // supposed to be used as a boolean.
1699     bool hasDeprecatedUsage = !fastGetAttribute(captureAttr).isEmpty();
1700     if (hasDeprecatedUsage)
1701         UseCounter::countDeprecation(document(), UseCounter::CaptureAttributeAsEnum);
1702     else
1703         UseCounter::count(document(), UseCounter::CaptureAttributeAsBoolean);
1704
1705     return true;
1706 }
1707 #endif
1708
1709 bool HTMLInputElement::isInRequiredRadioButtonGroup()
1710 {
1711     ASSERT(isRadioButton());
1712     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
1713         return scope->isInRequiredGroup(this);
1714     return false;
1715 }
1716
1717 HTMLInputElement* HTMLInputElement::checkedRadioButtonForGroup() const
1718 {
1719     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
1720         return scope->checkedButtonForGroup(name());
1721     return 0;
1722 }
1723
1724 RadioButtonGroupScope* HTMLInputElement::radioButtonGroupScope() const
1725 {
1726     if (!isRadioButton())
1727         return 0;
1728     if (HTMLFormElement* formElement = form())
1729         return &formElement->radioButtonGroupScope();
1730     if (inDocument())
1731         return &document().formController().radioButtonGroupScope();
1732     return 0;
1733 }
1734
1735 inline void HTMLInputElement::addToRadioButtonGroup()
1736 {
1737     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
1738         scope->addButton(this);
1739 }
1740
1741 inline void HTMLInputElement::removeFromRadioButtonGroup()
1742 {
1743     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
1744         scope->removeButton(this);
1745 }
1746
1747 unsigned HTMLInputElement::height() const
1748 {
1749     return m_inputType->height();
1750 }
1751
1752 unsigned HTMLInputElement::width() const
1753 {
1754     return m_inputType->width();
1755 }
1756
1757 void HTMLInputElement::setHeight(unsigned height)
1758 {
1759     setUnsignedIntegralAttribute(heightAttr, height);
1760 }
1761
1762 void HTMLInputElement::setWidth(unsigned width)
1763 {
1764     setUnsignedIntegralAttribute(widthAttr, width);
1765 }
1766
1767 PassOwnPtrWillBeRawPtr<ListAttributeTargetObserver> ListAttributeTargetObserver::create(const AtomicString& id, HTMLInputElement* element)
1768 {
1769     return adoptPtrWillBeNoop(new ListAttributeTargetObserver(id, element));
1770 }
1771
1772 ListAttributeTargetObserver::ListAttributeTargetObserver(const AtomicString& id, HTMLInputElement* element)
1773     : IdTargetObserver(element->treeScope().idTargetObserverRegistry(), id)
1774     , m_element(element)
1775 {
1776 }
1777
1778 void ListAttributeTargetObserver::trace(Visitor* visitor)
1779 {
1780     visitor->trace(m_element);
1781     IdTargetObserver::trace(visitor);
1782 }
1783
1784 void ListAttributeTargetObserver::idTargetChanged()
1785 {
1786     m_element->listAttributeTargetChanged();
1787 }
1788
1789 void HTMLInputElement::setRangeText(const String& replacement, ExceptionState& exceptionState)
1790 {
1791     if (!m_inputType->supportsSelectionAPI()) {
1792         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
1793         return;
1794     }
1795
1796     HTMLTextFormControlElement::setRangeText(replacement, exceptionState);
1797 }
1798
1799 void HTMLInputElement::setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionState& exceptionState)
1800 {
1801     if (!m_inputType->supportsSelectionAPI()) {
1802         exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
1803         return;
1804     }
1805
1806     HTMLTextFormControlElement::setRangeText(replacement, start, end, selectionMode, exceptionState);
1807 }
1808
1809 bool HTMLInputElement::setupDateTimeChooserParameters(DateTimeChooserParameters& parameters)
1810 {
1811     if (!document().view())
1812         return false;
1813
1814     parameters.type = type();
1815     parameters.minimum = minimum();
1816     parameters.maximum = maximum();
1817     parameters.required = isRequired();
1818     if (!RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
1819         parameters.locale = defaultLanguage();
1820     else {
1821         AtomicString computedLocale = computeInheritedLanguage();
1822         parameters.locale = computedLocale.isEmpty() ? defaultLanguage() : computedLocale;
1823     }
1824
1825     StepRange stepRange = createStepRange(RejectAny);
1826     if (stepRange.hasStep()) {
1827         parameters.step = stepRange.step().toDouble();
1828         parameters.stepBase = stepRange.stepBase().toDouble();
1829     } else {
1830         parameters.step = 1.0;
1831         parameters.stepBase = 0;
1832     }
1833
1834     parameters.anchorRectInRootView = document().view()->contentsToRootView(pixelSnappedBoundingBox());
1835     parameters.currentValue = value();
1836     parameters.doubleValue = m_inputType->valueAsDouble();
1837     parameters.isAnchorElementRTL = computedStyle()->direction() == RTL;
1838     if (HTMLDataListElement* dataList = this->dataList()) {
1839         RefPtr<HTMLCollection> options = dataList->options();
1840         for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
1841             if (!isValidValue(option->value()))
1842                 continue;
1843             DateTimeSuggestion suggestion;
1844             suggestion.value = m_inputType->parseToNumber(option->value(), Decimal::nan()).toDouble();
1845             if (std::isnan(suggestion.value))
1846                 continue;
1847             suggestion.localizedValue = localizeValue(option->value());
1848             suggestion.label = option->value() == option->label() ? String() : option->label();
1849             parameters.suggestions.append(suggestion);
1850         }
1851     }
1852     return true;
1853 }
1854
1855 bool HTMLInputElement::supportsInputModeAttribute() const
1856 {
1857     return m_inputType->supportsInputModeAttribute();
1858 }
1859
1860 void HTMLInputElement::setShouldRevealPassword(bool value)
1861 {
1862     if (m_shouldRevealPassword == value)
1863         return;
1864     m_shouldRevealPassword = value;
1865     lazyReattachIfAttached();
1866 }
1867
1868 bool HTMLInputElement::isInteractiveContent() const
1869 {
1870     return m_inputType->isInteractiveContent();
1871 }
1872
1873 bool HTMLInputElement::supportsAutofocus() const
1874 {
1875     return m_inputType->isInteractiveContent();
1876 }
1877
1878 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
1879 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
1880 {
1881     return m_inputTypeView->customStyleForRenderer(originalStyleForRenderer());
1882 }
1883 #endif
1884
1885 bool HTMLInputElement::shouldDispatchFormControlChangeEvent(String& oldValue, String& newValue)
1886 {
1887     return m_inputType->shouldDispatchFormControlChangeEvent(oldValue, newValue);
1888 }
1889
1890 } // namespace