Source/core/html/HTMLInputElement.cpp

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This source file includes following definitions.
m_inputTypeView
create
imageLoader
didAddUserAgentShadowRoot
didAddShadowRoot
name
filesFromFileInputFormControlState
passwordGeneratorButtonElement
shouldAutocomplete
isValidValue
tooLong
typeMismatch
valueMissing
hasBadInput
patternMismatch
tooLong
rangeUnderflow
rangeOverflow
validationMessage
minimum
maximum
stepMismatch
getAllowedValueStep
createStepRange
findClosestTickMarkValue
stepUp
stepDown
blur
defaultBlur
hasCustomFocusLogic
isKeyboardFocusable
shouldShowFocusRingOnMouseFocus
updateFocusAppearance
beginEditing
endEditing
shouldUseInputMethod
handleFocusEvent
handleBlurEvent
setType
updateType
subtreeHasChanged
formControlType
shouldSaveAndRestoreFormControlState
saveFormControlState
restoreFormControlState
canStartSelection
selectionStartForBinding
selectionEndForBinding
selectionDirectionForBinding
setSelectionStartForBinding
setSelectionEndForBinding
setSelectionDirectionForBinding
setSelectionRangeForBinding
setSelectionRangeForBinding
accessKeyAction
isPresentationAttribute
collectStyleForPresentationAttribute
parseAttribute
finishParsingChildren
rendererIsNeeded
createRenderer
attach
detach
altText
canBeSuccessfulSubmitButton
isActivatedSubmit
setActivatedSubmit
appendFormData
resultForDialogSubmit
resetImpl
isTextField
isTextType
setChecked
setIndeterminate
size
sizeShouldIncludeDecoration
copyNonAttributePropertiesFromElement
value
valueWithDefault
setValueForUser
suggestedValue
setSuggestedValue
setEditingValue
setValue
setValue
setValueInternal
updateView
valueAsDate
setValueAsDate
valueAsNumber
setValueAsNumber
setValueFromRenderer
preDispatchEventHandler
postDispatchEventHandler
defaultEventHandler
willRespondToMouseClickEvents
isURLAttribute
hasLegalLinkAttribute
subResourceAttributeName
defaultValue
setDefaultValue
isRFC2616TokenCharacter
isValidMIMEType
isValidFileExtension
parseAcceptAttribute
acceptMIMETypes
acceptFileExtensions
alt
maxLength
setMaxLength
multiple
setSize
setSize
src
files
setFiles
receiveDroppedFiles
droppedFileSystemId
canReceiveDroppedFiles
setCanReceiveDroppedFiles
sanitizeValue
localizeValue
isInRange
isOutOfRange
isRequiredFormControl
matchesReadOnlyPseudoClass
matchesReadWritePseudoClass
onSearch
updateClearButtonVisibility
willChangeForm
didChangeForm
insertedInto
removedFrom
didMoveToNewDocument
removeAllEventListeners
recalcWillValidate
requiredAttributeChanged
selectColorInColorChooser
list
dataList
hasValidDataListOptions
resetListAttributeTargetObserver
listAttributeTargetChanged
isSteppable
isSpeechEnabled
isTextButton
isRadioButton
isSearchField
isInputTypeHidden
isPasswordField
isCheckbox
isRangeControl
isText
isEmailField
isFileUpload
isImageButton
isNumberField
isTelephoneField
isURLField
isDateField
isDateTimeLocalField
isMonthField
isTimeField
isWeekField
isEnumeratable
supportLabels
shouldAppearChecked
supportsPlaceholder
updatePlaceholderText
parseMaxLengthAttribute
updateValueIfNeeded
defaultToolTip
shouldAppearIndeterminate
capture
isInRequiredRadioButtonGroup
checkedRadioButtonForGroup
radioButtonGroupScope
addToRadioButtonGroup
removeFromRadioButtonGroup
height
width
setHeight
setWidth
create
m_element
idTargetChanged
setRangeText
setRangeText
setupDateTimeChooserParameters
supportsInputModeAttribute
setShouldRevealPassword
isInteractiveContent
supportsAutofocus
customStyleForRenderer
/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 *           (C) 2001 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
 * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
 * Copyright (C) 2012 Samsung Electronics. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"
#include "core/html/HTMLInputElement.h"

#include "CSSPropertyNames.h"
#include "HTMLNames.h"
#include "RuntimeEnabledFeatures.h"
#include "bindings/v8/ExceptionMessages.h"
#include "bindings/v8/ExceptionState.h"
#include "bindings/v8/ScriptEventListener.h"
#include "core/accessibility/AXObjectCache.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/IdTargetObserver.h"
#include "core/dom/shadow/ElementShadow.h"
#include "core/dom/shadow/InsertionPoint.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/editing/FrameSelection.h"
#include "core/editing/SpellChecker.h"
#include "core/events/BeforeTextInsertedEvent.h"
#include "core/events/KeyboardEvent.h"
#include "core/events/MouseEvent.h"
#include "core/events/ScopedEventQueue.h"
#include "core/events/TouchEvent.h"
#include "core/fileapi/FileList.h"
#include "core/frame/FrameHost.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/UseCounter.h"
#include "core/html/HTMLCollection.h"
#include "core/html/HTMLDataListElement.h"
#include "core/html/HTMLFormElement.h"
#include "core/html/HTMLImageLoader.h"
#include "core/html/HTMLOptionElement.h"
#include "core/html/forms/ColorInputType.h"
#include "core/html/forms/FileInputType.h"
#include "core/html/forms/FormController.h"
#include "core/html/forms/InputType.h"
#include "core/html/forms/SearchInputType.h"
#include "core/html/parser/HTMLParserIdioms.h"
#include "core/html/shadow/ShadowElementNames.h"
#include "core/page/Chrome.h"
#include "core/page/ChromeClient.h"
#include "core/rendering/RenderTextControlSingleLine.h"
#include "core/rendering/RenderTheme.h"
#include "platform/DateTimeChooser.h"
#include "platform/Language.h"
#include "platform/PlatformMouseEvent.h"
#include "platform/text/PlatformLocale.h"
#include "wtf/MathExtras.h"

using namespace std;

namespace WebCore {

using namespace HTMLNames;

class ListAttributeTargetObserver : IdTargetObserver {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static PassOwnPtr<ListAttributeTargetObserver> create(const AtomicString& id, HTMLInputElement*);
    virtual void idTargetChanged() OVERRIDE;

private:
    ListAttributeTargetObserver(const AtomicString& id, HTMLInputElement*);

    HTMLInputElement* m_element;
};

// FIXME: According to HTML4, the length attribute's value can be arbitrarily
// large. However, due to https://bugs.webkit.org/show_bug.cgi?id=14536 things
// get rather sluggish when a text field has a larger number of characters than
// this, even when just clicking in the text field.
const int HTMLInputElement::maximumLength = 524288;
const int defaultSize = 20;
const int maxSavedResults = 256;

HTMLInputElement::HTMLInputElement(Document& document, HTMLFormElement* form, bool createdByParser)
    : HTMLTextFormControlElement(inputTag, document, form)
    , m_size(defaultSize)
    , m_maxLength(maximumLength)
    , m_maxResults(-1)
    , m_isChecked(false)
    , m_reflectsCheckedAttribute(true)
    , m_isIndeterminate(false)
    , m_hasType(false)
    , m_isActivatedSubmit(false)
    , m_autocomplete(Uninitialized)
    , m_hasNonEmptyList(false)
    , m_stateRestored(false)
    , m_parsingInProgress(createdByParser)
    , m_valueAttributeWasUpdatedAfterParsing(false)
    , m_canReceiveDroppedFiles(false)
    , m_hasTouchEventHandler(false)
    , m_shouldRevealPassword(false)
    , m_inputType(InputType::createText(*this))
    , m_inputTypeView(m_inputType)
{
#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
    setHasCustomStyleCallbacks();
#endif
    ScriptWrappable::init(this);
}

PassRefPtr<HTMLInputElement> HTMLInputElement::create(Document& document, HTMLFormElement* form, bool createdByParser)
{
    RefPtr<HTMLInputElement> inputElement = adoptRef(new HTMLInputElement(document, form, createdByParser));
    inputElement->ensureUserAgentShadowRoot();
    return inputElement.release();
}

HTMLImageLoader* HTMLInputElement::imageLoader()
{
    if (!m_imageLoader)
        m_imageLoader = adoptPtr(new HTMLImageLoader(this));
    return m_imageLoader.get();
}

void HTMLInputElement::didAddUserAgentShadowRoot(ShadowRoot&)
{
    m_inputTypeView->createShadowSubtree();
}

void HTMLInputElement::didAddShadowRoot(ShadowRoot& root)
{
    if (!root.isOldestAuthorShadowRoot())
        return;
    m_inputTypeView->destroyShadowSubtree();
    m_inputTypeView = InputTypeView::create(*this);
    lazyReattachIfAttached();
}

HTMLInputElement::~HTMLInputElement()
{
    // Need to remove form association while this is still an HTMLInputElement
    // so that virtual functions are called correctly.
    setForm(0);
    // setForm(0) may register this to a document-level radio button group.
    // We should unregister it to avoid accessing a deleted object.
    if (isRadioButton())
        document().formController().radioButtonGroupScope().removeButton(this);
    if (m_hasTouchEventHandler)
        document().didRemoveTouchEventHandler(this);
}

const AtomicString& HTMLInputElement::name() const
{
    return m_name.isNull() ? emptyAtom : m_name;
}

Vector<FileChooserFileInfo> HTMLInputElement::filesFromFileInputFormControlState(const FormControlState& state)
{
    return FileInputType::filesFromFormControlState(state);
}

HTMLElement* HTMLInputElement::passwordGeneratorButtonElement() const
{
    return toHTMLElement(userAgentShadowRoot()->getElementById(ShadowElementNames::passwordGenerator()));
}

bool HTMLInputElement::shouldAutocomplete() const
{
    if (m_autocomplete != Uninitialized)
        return m_autocomplete == On;
    return HTMLTextFormControlElement::shouldAutocomplete();
}

bool HTMLInputElement::isValidValue(const String& value) const
{
    if (!m_inputType->canSetStringValue()) {
        ASSERT_NOT_REACHED();
        return false;
    }
    return !m_inputType->typeMismatchFor(value)
        && !m_inputType->stepMismatch(value)
        && !m_inputType->rangeUnderflow(value)
        && !m_inputType->rangeOverflow(value)
        && !tooLong(value, IgnoreDirtyFlag)
        && !m_inputType->patternMismatch(value)
        && !m_inputType->valueMissing(value);
}

bool HTMLInputElement::tooLong() const
{
    return willValidate() && tooLong(value(), CheckDirtyFlag);
}

bool HTMLInputElement::typeMismatch() const
{
    return willValidate() && m_inputType->typeMismatch();
}

bool HTMLInputElement::valueMissing() const
{
    return willValidate() && m_inputType->valueMissing(value());
}

bool HTMLInputElement::hasBadInput() const
{
    return willValidate() && m_inputType->hasBadInput();
}

bool HTMLInputElement::patternMismatch() const
{
    return willValidate() && m_inputType->patternMismatch(value());
}

bool HTMLInputElement::tooLong(const String& value, NeedsToCheckDirtyFlag check) const
{
    // We use isTextType() instead of supportsMaxLength() because of the
    // 'virtual' overhead.
    if (!isTextType())
        return false;
    int max = maxLength();
    if (max < 0)
        return false;
    if (check == CheckDirtyFlag) {
        // Return false for the default value or a value set by a script even if
        // it is longer than maxLength.
        if (!hasDirtyValue() || !lastChangeWasUserEdit())
            return false;
    }
    return value.length() > static_cast<unsigned>(max);
}

bool HTMLInputElement::rangeUnderflow() const
{
    return willValidate() && m_inputType->rangeUnderflow(value());
}

bool HTMLInputElement::rangeOverflow() const
{
    return willValidate() && m_inputType->rangeOverflow(value());
}

String HTMLInputElement::validationMessage() const
{
    if (!willValidate())
        return String();

    if (customError())
        return customValidationMessage();

    return m_inputType->validationMessage();
}

double HTMLInputElement::minimum() const
{
    return m_inputType->minimum();
}

double HTMLInputElement::maximum() const
{
    return m_inputType->maximum();
}

bool HTMLInputElement::stepMismatch() const
{
    return willValidate() && m_inputType->stepMismatch(value());
}

bool HTMLInputElement::getAllowedValueStep(Decimal* step) const
{
    return m_inputType->getAllowedValueStep(step);
}

StepRange HTMLInputElement::createStepRange(AnyStepHandling anyStepHandling) const
{
    return m_inputType->createStepRange(anyStepHandling);
}

Decimal HTMLInputElement::findClosestTickMarkValue(const Decimal& value)
{
    return m_inputType->findClosestTickMarkValue(value);
}

void HTMLInputElement::stepUp(int n, ExceptionState& exceptionState)
{
    m_inputType->stepUp(n, exceptionState);
}

void HTMLInputElement::stepDown(int n, ExceptionState& exceptionState)
{
    m_inputType->stepUp(-n, exceptionState);
}

void HTMLInputElement::blur()
{
    m_inputTypeView->blur();
}

void HTMLInputElement::defaultBlur()
{
    HTMLTextFormControlElement::blur();
}

bool HTMLInputElement::hasCustomFocusLogic() const
{
    return m_inputTypeView->hasCustomFocusLogic();
}

bool HTMLInputElement::isKeyboardFocusable() const
{
    return m_inputType->isKeyboardFocusable();
}

bool HTMLInputElement::shouldShowFocusRingOnMouseFocus() const
{
    return m_inputType->shouldShowFocusRingOnMouseFocus();
}

void HTMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
{
    if (isTextField()) {
        if (!restorePreviousSelection || !hasCachedSelection())
            select();
        else
            restoreCachedSelection();
        if (document().frame())
            document().frame()->selection().revealSelection();
    } else
        HTMLTextFormControlElement::updateFocusAppearance(restorePreviousSelection);
}

void HTMLInputElement::beginEditing()
{
    ASSERT(document().isActive());
    if (!document().isActive())
        return;

    if (!isTextField())
        return;

    document().frame()->spellChecker().didBeginEditing(this);
}

void HTMLInputElement::endEditing()
{
    ASSERT(document().isActive());
    if (!document().isActive())
        return;

    if (!isTextField())
        return;

    LocalFrame* frame = document().frame();
    frame->spellChecker().didEndEditingOnTextField(this);
    frame->host()->chrome().client().didEndEditingOnTextField(*this);
}

bool HTMLInputElement::shouldUseInputMethod()
{
    return m_inputType->shouldUseInputMethod();
}

void HTMLInputElement::handleFocusEvent(Element* oldFocusedElement, FocusType type)
{
    m_inputTypeView->handleFocusEvent(oldFocusedElement, type);
    m_inputType->enableSecureTextInput();
}

void HTMLInputElement::handleBlurEvent()
{
    m_inputType->disableSecureTextInput();
    m_inputTypeView->handleBlurEvent();
}

void HTMLInputElement::setType(const AtomicString& type)
{
    setAttribute(typeAttr, type);
}

void HTMLInputElement::updateType()
{
    const AtomicString& newTypeName = InputType::normalizeTypeName(fastGetAttribute(typeAttr));
    bool hadType = m_hasType;
    m_hasType = true;
    if (m_inputType->formControlType() == newTypeName)
        return;

    if (hadType && !InputType::canChangeFromAnotherType(newTypeName)) {
        // Set the attribute back to the old value.
        // Useful in case we were called from inside parseAttribute.
        setAttribute(typeAttr, type());
        return;
    }

    RefPtr<InputType> newType = InputType::create(*this, newTypeName);
    removeFromRadioButtonGroup();

    bool didStoreValue = m_inputType->storesValueSeparateFromAttribute();
    bool didRespectHeightAndWidth = m_inputType->shouldRespectHeightAndWidthAttributes();

    m_inputTypeView->destroyShadowSubtree();
    lazyReattachIfAttached();

    m_inputType = newType.release();
    if (hasAuthorShadowRoot())
        m_inputTypeView = InputTypeView::create(*this);
    else
        m_inputTypeView = m_inputType;
    m_inputTypeView->createShadowSubtree();

    bool hasTouchEventHandler = m_inputTypeView->hasTouchEventHandler();
    if (hasTouchEventHandler != m_hasTouchEventHandler) {
        if (hasTouchEventHandler)
            document().didAddTouchEventHandler(this);
        else
            document().didRemoveTouchEventHandler(this);
        m_hasTouchEventHandler = hasTouchEventHandler;
    }

    setNeedsWillValidateCheck();

    bool willStoreValue = m_inputType->storesValueSeparateFromAttribute();

    if (didStoreValue && !willStoreValue && hasDirtyValue()) {
        setAttribute(valueAttr, AtomicString(m_valueIfDirty));
        m_valueIfDirty = String();
    }
    if (!didStoreValue && willStoreValue) {
        AtomicString valueString = fastGetAttribute(valueAttr);
        m_valueIfDirty = sanitizeValue(valueString);
    } else
        updateValueIfNeeded();

    setFormControlValueMatchesRenderer(false);
    m_inputTypeView->updateView();

    if (didRespectHeightAndWidth != m_inputType->shouldRespectHeightAndWidthAttributes()) {
        ASSERT(elementData());
        if (const Attribute* height = getAttributeItem(heightAttr))
            attributeChanged(heightAttr, height->value());
        if (const Attribute* width = getAttributeItem(widthAttr))
            attributeChanged(widthAttr, width->value());
        if (const Attribute* align = getAttributeItem(alignAttr))
            attributeChanged(alignAttr, align->value());
    }

    if (document().focusedElement() == this)
        document().updateFocusAppearanceSoon(true /* restore selection */);

    setChangedSinceLastFormControlChangeEvent(false);

    addToRadioButtonGroup();

    setNeedsValidityCheck();
    notifyFormStateChanged();
}

void HTMLInputElement::subtreeHasChanged()
{
    m_inputTypeView->subtreeHasChanged();
    // When typing in an input field, childrenChanged is not called, so we need to force the directionality check.
    calculateAndAdjustDirectionality();
}

const AtomicString& HTMLInputElement::formControlType() const
{
    return m_inputType->formControlType();
}

bool HTMLInputElement::shouldSaveAndRestoreFormControlState() const
{
    if (!m_inputType->shouldSaveAndRestoreFormControlState())
        return false;
    return HTMLTextFormControlElement::shouldSaveAndRestoreFormControlState();
}

FormControlState HTMLInputElement::saveFormControlState() const
{
    return m_inputType->saveFormControlState();
}

void HTMLInputElement::restoreFormControlState(const FormControlState& state)
{
    m_inputType->restoreFormControlState(state);
    m_stateRestored = true;
}

bool HTMLInputElement::canStartSelection() const
{
    if (!isTextField())
        return false;
    return HTMLTextFormControlElement::canStartSelection();
}

int HTMLInputElement::selectionStartForBinding(ExceptionState& exceptionState) const
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return 0;
    }
    return HTMLTextFormControlElement::selectionStart();
}

int HTMLInputElement::selectionEndForBinding(ExceptionState& exceptionState) const
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return 0;
    }
    return HTMLTextFormControlElement::selectionEnd();
}

String HTMLInputElement::selectionDirectionForBinding(ExceptionState& exceptionState) const
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return String();
    }
    return HTMLTextFormControlElement::selectionDirection();
}

void HTMLInputElement::setSelectionStartForBinding(int start, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }
    HTMLTextFormControlElement::setSelectionStart(start);
}

void HTMLInputElement::setSelectionEndForBinding(int end, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }
    HTMLTextFormControlElement::setSelectionEnd(end);
}

void HTMLInputElement::setSelectionDirectionForBinding(const String& direction, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }
    HTMLTextFormControlElement::setSelectionDirection(direction);
}

void HTMLInputElement::setSelectionRangeForBinding(int start, int end, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }
    HTMLTextFormControlElement::setSelectionRange(start, end);
}

void HTMLInputElement::setSelectionRangeForBinding(int start, int end, const String& direction, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }
    HTMLTextFormControlElement::setSelectionRange(start, end, direction);
}

void HTMLInputElement::accessKeyAction(bool sendMouseEvents)
{
    m_inputType->accessKeyAction(sendMouseEvents);
}

bool HTMLInputElement::isPresentationAttribute(const QualifiedName& name) const
{
    if (name == vspaceAttr || name == hspaceAttr || name == alignAttr || name == widthAttr || name == heightAttr || (name == borderAttr && isImageButton()))
        return true;
    return HTMLTextFormControlElement::isPresentationAttribute(name);
}

void HTMLInputElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
{
    if (name == vspaceAttr) {
        addHTMLLengthToStyle(style, CSSPropertyMarginTop, value);
        addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value);
    } else if (name == hspaceAttr) {
        addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value);
        addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
    } else if (name == alignAttr) {
        if (m_inputType->shouldRespectAlignAttribute())
            applyAlignmentAttributeToStyle(value, style);
    } else if (name == widthAttr) {
        if (m_inputType->shouldRespectHeightAndWidthAttributes())
            addHTMLLengthToStyle(style, CSSPropertyWidth, value);
    } else if (name == heightAttr) {
        if (m_inputType->shouldRespectHeightAndWidthAttributes())
            addHTMLLengthToStyle(style, CSSPropertyHeight, value);
    } else if (name == borderAttr && isImageButton())
        applyBorderAttributeToStyle(value, style);
    else
        HTMLTextFormControlElement::collectStyleForPresentationAttribute(name, value, style);
}

void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
    if (name == nameAttr) {
        removeFromRadioButtonGroup();
        m_name = value;
        addToRadioButtonGroup();
        HTMLTextFormControlElement::parseAttribute(name, value);
    } else if (name == autocompleteAttr) {
        if (equalIgnoringCase(value, "off"))
            m_autocomplete = Off;
        else {
            if (value.isEmpty())
                m_autocomplete = Uninitialized;
            else
                m_autocomplete = On;
        }
    } else if (name == typeAttr)
        updateType();
    else if (name == valueAttr) {
        // We only need to setChanged if the form is looking at the default value right now.
        if (!hasDirtyValue()) {
            updatePlaceholderVisibility(false);
            setNeedsStyleRecalc(SubtreeStyleChange);
        }
        setFormControlValueMatchesRenderer(false);
        setNeedsValidityCheck();
        m_valueAttributeWasUpdatedAfterParsing = !m_parsingInProgress;
        m_inputTypeView->valueAttributeChanged();
    } else if (name == checkedAttr) {
        // Another radio button in the same group might be checked by state
        // restore. We shouldn't call setChecked() even if this has the checked
        // attribute. So, delay the setChecked() call until
        // finishParsingChildren() is called if parsing is in progress.
        if (!m_parsingInProgress && m_reflectsCheckedAttribute) {
            setChecked(!value.isNull());
            m_reflectsCheckedAttribute = true;
        }
    } else if (name == maxlengthAttr)
        parseMaxLengthAttribute(value);
    else if (name == sizeAttr) {
        int oldSize = m_size;
        int valueAsInteger = value.toInt();
        m_size = valueAsInteger > 0 ? valueAsInteger : defaultSize;
        if (m_size != oldSize && renderer())
            renderer()->setNeedsLayoutAndPrefWidthsRecalc();
    } else if (name == altAttr)
        m_inputTypeView->altAttributeChanged();
    else if (name == srcAttr)
        m_inputTypeView->srcAttributeChanged();
    else if (name == usemapAttr || name == accesskeyAttr) {
        // FIXME: ignore for the moment
    } else if (name == onsearchAttr) {
        // Search field and slider attributes all just cause updateFromElement to be called through style recalcing.
        setAttributeEventListener(EventTypeNames::search, createAttributeEventListener(this, name, value));
    } else if (name == resultsAttr) {
        int oldResults = m_maxResults;
        m_maxResults = !value.isNull() ? std::min(value.toInt(), maxSavedResults) : -1;
        // FIXME: Detaching just for maxResults change is not ideal.  We should figure out the right
        // time to relayout for this change.
        if (m_maxResults != oldResults && (m_maxResults <= 0 || oldResults <= 0))
            lazyReattachIfAttached();
        setNeedsStyleRecalc(SubtreeStyleChange);
        UseCounter::count(document(), UseCounter::ResultsAttribute);
    } else if (name == incrementalAttr) {
        setNeedsStyleRecalc(SubtreeStyleChange);
        UseCounter::count(document(), UseCounter::IncrementalAttribute);
    } else if (name == minAttr) {
        m_inputTypeView->minOrMaxAttributeChanged();
        m_inputType->sanitizeValueInResponseToMinOrMaxAttributeChange();
        setNeedsValidityCheck();
        UseCounter::count(document(), UseCounter::MinAttribute);
    } else if (name == maxAttr) {
        m_inputTypeView->minOrMaxAttributeChanged();
        setNeedsValidityCheck();
        UseCounter::count(document(), UseCounter::MaxAttribute);
    } else if (name == multipleAttr) {
        m_inputTypeView->multipleAttributeChanged();
        setNeedsValidityCheck();
    } else if (name == stepAttr) {
        m_inputTypeView->stepAttributeChanged();
        setNeedsValidityCheck();
        UseCounter::count(document(), UseCounter::StepAttribute);
    } else if (name == patternAttr) {
        setNeedsValidityCheck();
        UseCounter::count(document(), UseCounter::PatternAttribute);
    } else if (name == precisionAttr) {
        setNeedsValidityCheck();
        UseCounter::count(document(), UseCounter::PrecisionAttribute);
    } else if (name == disabledAttr) {
        HTMLTextFormControlElement::parseAttribute(name, value);
        m_inputTypeView->disabledAttributeChanged();
    } else if (name == readonlyAttr) {
        HTMLTextFormControlElement::parseAttribute(name, value);
        m_inputTypeView->readonlyAttributeChanged();
    } else if (name == listAttr) {
        m_hasNonEmptyList = !value.isEmpty();
        if (m_hasNonEmptyList) {
            resetListAttributeTargetObserver();
            listAttributeTargetChanged();
        }
        UseCounter::count(document(), UseCounter::ListAttribute);
    }
#if ENABLE(INPUT_SPEECH)
    else if (name == webkitspeechAttr) {
        if (RuntimeEnabledFeatures::speechInputEnabled() && m_inputType->shouldRespectSpeechAttribute()) {
            // This renderer and its children have quite different layouts and
            // styles depending on whether the speech button is visible or
            // not. So we reset the whole thing and recreate to get the right
            // styles and layout.
            m_inputTypeView->destroyShadowSubtree();
            lazyReattachIfAttached();
            m_inputTypeView->createShadowSubtree();
            setFormControlValueMatchesRenderer(false);
        }
        UseCounter::countDeprecation(document(), UseCounter::PrefixedSpeechAttribute);
    } else if (name == onwebkitspeechchangeAttr)
        setAttributeEventListener(EventTypeNames::webkitspeechchange, createAttributeEventListener(this, name, value));
#endif
    else if (name == webkitdirectoryAttr) {
        HTMLTextFormControlElement::parseAttribute(name, value);
        UseCounter::count(document(), UseCounter::PrefixedDirectoryAttribute);
    }
    else
        HTMLTextFormControlElement::parseAttribute(name, value);
    m_inputTypeView->attributeChanged();
}

void HTMLInputElement::finishParsingChildren()
{
    m_parsingInProgress = false;
    HTMLTextFormControlElement::finishParsingChildren();
    if (!m_stateRestored) {
        bool checked = hasAttribute(checkedAttr);
        if (checked)
            setChecked(checked);
        m_reflectsCheckedAttribute = true;
    }
}

bool HTMLInputElement::rendererIsNeeded(const RenderStyle& style)
{
    return m_inputType->rendererIsNeeded() && HTMLTextFormControlElement::rendererIsNeeded(style);
}

RenderObject* HTMLInputElement::createRenderer(RenderStyle* style)
{
    return m_inputTypeView->createRenderer(style);
}

void HTMLInputElement::attach(const AttachContext& context)
{
    if (!m_hasType)
        updateType();

    HTMLTextFormControlElement::attach(context);

    m_inputTypeView->startResourceLoading();
    m_inputType->countUsage();

    if (document().focusedElement() == this)
        document().updateFocusAppearanceSoon(true /* restore selection */);
}

void HTMLInputElement::detach(const AttachContext& context)
{
    HTMLTextFormControlElement::detach(context);
    setFormControlValueMatchesRenderer(false);
    m_inputTypeView->closePopupView();
}

String HTMLInputElement::altText() const
{
    // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
    // also heavily discussed by Hixie on bugzilla
    // note this is intentionally different to HTMLImageElement::altText()
    String alt = fastGetAttribute(altAttr);
    // fall back to title attribute
    if (alt.isNull())
        alt = fastGetAttribute(titleAttr);
    if (alt.isNull())
        alt = fastGetAttribute(valueAttr);
    if (alt.isEmpty())
        alt = locale().queryString(blink::WebLocalizedString::InputElementAltText);
    return alt;
}

bool HTMLInputElement::canBeSuccessfulSubmitButton() const
{
    return m_inputType->canBeSuccessfulSubmitButton();
}

bool HTMLInputElement::isActivatedSubmit() const
{
    return m_isActivatedSubmit;
}

void HTMLInputElement::setActivatedSubmit(bool flag)
{
    m_isActivatedSubmit = flag;
}

bool HTMLInputElement::appendFormData(FormDataList& encoding, bool multipart)
{
    return m_inputType->isFormDataAppendable() && m_inputType->appendFormData(encoding, multipart);
}

String HTMLInputElement::resultForDialogSubmit()
{
    return m_inputType->resultForDialogSubmit();
}

void HTMLInputElement::resetImpl()
{
    if (m_inputType->storesValueSeparateFromAttribute()) {
        setValue(String());
        setNeedsValidityCheck();
    }

    setChecked(hasAttribute(checkedAttr));
    m_reflectsCheckedAttribute = true;
}

bool HTMLInputElement::isTextField() const
{
    return m_inputType->isTextField();
}

bool HTMLInputElement::isTextType() const
{
    return m_inputType->isTextType();
}

void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventBehavior)
{
    if (checked() == nowChecked)
        return;

    RefPtr<HTMLInputElement> protector(this);
    m_reflectsCheckedAttribute = false;
    m_isChecked = nowChecked;
    setNeedsStyleRecalc(SubtreeStyleChange);

    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        scope->updateCheckedState(this);
    if (renderer() && renderer()->style()->hasAppearance())
        RenderTheme::theme().stateChanged(renderer(), CheckedState);

    setNeedsValidityCheck();

    // Ideally we'd do this from the render tree (matching
    // RenderTextView), but it's not possible to do it at the moment
    // because of the way the code is structured.
    if (renderer()) {
        if (AXObjectCache* cache = renderer()->document().existingAXObjectCache())
            cache->checkedStateChanged(this);
    }

    // Only send a change event for items in the document (avoid firing during
    // parsing) and don't send a change event for a radio button that's getting
    // unchecked to match other browsers. DOM is not a useful standard for this
    // because it says only to fire change events at "lose focus" time, which is
    // definitely wrong in practice for these types of elements.
    if (eventBehavior != DispatchNoEvent && inDocument() && m_inputType->shouldSendChangeEventAfterCheckedChanged()) {
        setTextAsOfLastFormControlChangeEvent(String());
        if (eventBehavior == DispatchInputAndChangeEvent)
            dispatchFormControlInputEvent();
        dispatchFormControlChangeEvent();
    }

    didAffectSelector(AffectedSelectorChecked);
}

void HTMLInputElement::setIndeterminate(bool newValue)
{
    if (indeterminate() == newValue)
        return;

    m_isIndeterminate = newValue;

    didAffectSelector(AffectedSelectorIndeterminate);

    if (renderer() && renderer()->style()->hasAppearance())
        RenderTheme::theme().stateChanged(renderer(), CheckedState);
}

int HTMLInputElement::size() const
{
    return m_size;
}

bool HTMLInputElement::sizeShouldIncludeDecoration(int& preferredSize) const
{
    return m_inputTypeView->sizeShouldIncludeDecoration(defaultSize, preferredSize);
}

void HTMLInputElement::copyNonAttributePropertiesFromElement(const Element& source)
{
    const HTMLInputElement& sourceElement = static_cast<const HTMLInputElement&>(source);

    m_valueIfDirty = sourceElement.m_valueIfDirty;
    setChecked(sourceElement.m_isChecked);
    m_reflectsCheckedAttribute = sourceElement.m_reflectsCheckedAttribute;
    m_isIndeterminate = sourceElement.m_isIndeterminate;

    HTMLTextFormControlElement::copyNonAttributePropertiesFromElement(source);

    setFormControlValueMatchesRenderer(false);
    m_inputTypeView->updateView();
}

String HTMLInputElement::value() const
{
    String value;
    if (m_inputType->getTypeSpecificValue(value))
        return value;

    value = m_valueIfDirty;
    if (!value.isNull())
        return value;

    AtomicString valueString = fastGetAttribute(valueAttr);
    value = sanitizeValue(valueString);
    if (!value.isNull())
        return value;

    return m_inputType->fallbackValue();
}

String HTMLInputElement::valueWithDefault() const
{
    String value = this->value();
    if (!value.isNull())
        return value;

    return m_inputType->defaultValue();
}

void HTMLInputElement::setValueForUser(const String& value)
{
    // Call setValue and make it send a change event.
    setValue(value, DispatchChangeEvent);
}

const String& HTMLInputElement::suggestedValue() const
{
    return m_suggestedValue;
}

void HTMLInputElement::setSuggestedValue(const String& value)
{
    if (!m_inputType->canSetSuggestedValue())
        return;
    setFormControlValueMatchesRenderer(false);
    m_suggestedValue = sanitizeValue(value);
    setNeedsStyleRecalc(SubtreeStyleChange);
    m_inputTypeView->updateView();
}

void HTMLInputElement::setEditingValue(const String& value)
{
    if (!renderer() || !isTextField())
        return;
    setInnerTextValue(value);
    subtreeHasChanged();

    unsigned max = value.length();
    if (focused())
        setSelectionRange(max, max);
    else
        cacheSelectionInResponseToSetValue(max);

    dispatchInputEvent();
}

void HTMLInputElement::setValue(const String& value, ExceptionState& exceptionState, TextFieldEventBehavior eventBehavior)
{
    if (isFileUpload() && !value.isEmpty()) {
        exceptionState.throwDOMException(InvalidStateError, "This input element accepts a filename, which may only be programmatically set to the empty string.");
        return;
    }
    setValue(value, eventBehavior);
}

void HTMLInputElement::setValue(const String& value, TextFieldEventBehavior eventBehavior)
{
    if (!m_inputType->canSetValue(value))
        return;

    RefPtr<HTMLInputElement> protector(this);
    EventQueueScope scope;
    String sanitizedValue = sanitizeValue(value);
    bool valueChanged = sanitizedValue != this->value();

    setLastChangeWasNotUserEdit();
    setFormControlValueMatchesRenderer(false);
    m_suggestedValue = String(); // Prevent TextFieldInputType::setValue from using the suggested value.

    m_inputType->setValue(sanitizedValue, valueChanged, eventBehavior);

    if (valueChanged && eventBehavior == DispatchNoEvent)
        setTextAsOfLastFormControlChangeEvent(sanitizedValue);

    if (!valueChanged)
        return;

    notifyFormStateChanged();
}

void HTMLInputElement::setValueInternal(const String& sanitizedValue, TextFieldEventBehavior eventBehavior)
{
    m_valueIfDirty = sanitizedValue;
    setNeedsValidityCheck();
}

void HTMLInputElement::updateView()
{
    m_inputTypeView->updateView();
}

double HTMLInputElement::valueAsDate(bool& isNull) const
{
    double date =  m_inputType->valueAsDate();
    isNull = !std::isfinite(date);
    return date;
}

void HTMLInputElement::setValueAsDate(double value, ExceptionState& exceptionState)
{
    m_inputType->setValueAsDate(value, exceptionState);
}

double HTMLInputElement::valueAsNumber() const
{
    return m_inputType->valueAsDouble();
}

void HTMLInputElement::setValueAsNumber(double newValue, ExceptionState& exceptionState, TextFieldEventBehavior eventBehavior)
{
    if (std::isinf(newValue)) {
        exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(newValue));
        return;
    }
    m_inputType->setValueAsDouble(newValue, eventBehavior, exceptionState);
}

void HTMLInputElement::setValueFromRenderer(const String& value)
{
    // File upload controls will never use this.
    ASSERT(!isFileUpload());

    m_suggestedValue = String();

    // Renderer and our event handler are responsible for sanitizing values.
    ASSERT(value == sanitizeValue(value) || sanitizeValue(value).isEmpty());

    m_valueIfDirty = value;

    setFormControlValueMatchesRenderer(true);

    // Input event is fired by the Node::defaultEventHandler for editable controls.
    if (!isTextField())
        dispatchInputEvent();
    notifyFormStateChanged();

    setNeedsValidityCheck();

    // Clear autofill flag (and yellow background) on user edit.
    setAutofilled(false);
}

void* HTMLInputElement::preDispatchEventHandler(Event* event)
{
    if (event->type() == EventTypeNames::textInput && m_inputTypeView->shouldSubmitImplicitly(event)) {
        event->stopPropagation();
        return 0;
    }
    if (event->type() != EventTypeNames::click)
        return 0;
    if (!event->isMouseEvent() || toMouseEvent(event)->button() != LeftButton)
        return 0;
    // FIXME: Check whether there are any cases where this actually ends up leaking.
    return m_inputTypeView->willDispatchClick().leakPtr();
}

void HTMLInputElement::postDispatchEventHandler(Event* event, void* dataFromPreDispatch)
{
    OwnPtr<ClickHandlingState> state = adoptPtr(static_cast<ClickHandlingState*>(dataFromPreDispatch));
    if (!state)
        return;
    m_inputTypeView->didDispatchClick(event, *state);
}

void HTMLInputElement::defaultEventHandler(Event* evt)
{
    if (evt->isMouseEvent() && evt->type() == EventTypeNames::click && toMouseEvent(evt)->button() == LeftButton) {
        m_inputTypeView->handleClickEvent(toMouseEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    if (evt->isTouchEvent() && m_inputTypeView->hasTouchEventHandler()) {
        m_inputTypeView->handleTouchEvent(toTouchEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keydown) {
        m_inputTypeView->handleKeydownEvent(toKeyboardEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    // Call the base event handler before any of our own event handling for almost all events in text fields.
    // Makes editing keyboard handling take precedence over the keydown and keypress handling in this function.
    bool callBaseClassEarly = isTextField() && (evt->type() == EventTypeNames::keydown || evt->type() == EventTypeNames::keypress);
    if (callBaseClassEarly) {
        HTMLTextFormControlElement::defaultEventHandler(evt);
        if (evt->defaultHandled())
            return;
    }

    // DOMActivate events cause the input to be "activated" - in the case of image and submit inputs, this means
    // actually submitting the form. For reset inputs, the form is reset. These events are sent when the user clicks
    // on the element, or presses enter while it is the active element. JavaScript code wishing to activate the element
    // must dispatch a DOMActivate event - a click event will not do the job.
    if (evt->type() == EventTypeNames::DOMActivate) {
        m_inputType->handleDOMActivateEvent(evt);
        if (evt->defaultHandled())
            return;
    }

    // Use key press event here since sending simulated mouse events
    // on key down blocks the proper sending of the key press event.
    if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keypress) {
        m_inputTypeView->handleKeypressEvent(toKeyboardEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    if (evt->isKeyboardEvent() && evt->type() == EventTypeNames::keyup) {
        m_inputTypeView->handleKeyupEvent(toKeyboardEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    if (m_inputTypeView->shouldSubmitImplicitly(evt)) {
        if (isSearchField())
            onSearch();
        // Form submission finishes editing, just as loss of focus does.
        // If there was a change, send the event now.
        if (wasChangedSinceLastFormControlChangeEvent())
            dispatchFormControlChangeEvent();

        RefPtr<HTMLFormElement> formForSubmission = m_inputTypeView->formForSubmission();
        // Form may never have been present, or may have been destroyed by code responding to the change event.
        if (formForSubmission)
            formForSubmission->submitImplicitly(evt, canTriggerImplicitSubmission());

        evt->setDefaultHandled();
        return;
    }

    if (evt->isBeforeTextInsertedEvent())
        m_inputTypeView->handleBeforeTextInsertedEvent(static_cast<BeforeTextInsertedEvent*>(evt));

    if (evt->isMouseEvent() && evt->type() == EventTypeNames::mousedown) {
        m_inputTypeView->handleMouseDownEvent(toMouseEvent(evt));
        if (evt->defaultHandled())
            return;
    }

    m_inputTypeView->forwardEvent(evt);

    if (!callBaseClassEarly && !evt->defaultHandled())
        HTMLTextFormControlElement::defaultEventHandler(evt);
}

bool HTMLInputElement::willRespondToMouseClickEvents()
{
    // FIXME: Consider implementing willRespondToMouseClickEvents() in InputType if more accurate results are necessary.
    if (!isDisabledFormControl())
        return true;

    return HTMLTextFormControlElement::willRespondToMouseClickEvents();
}

bool HTMLInputElement::isURLAttribute(const Attribute& attribute) const
{
    return attribute.name() == srcAttr || attribute.name() == formactionAttr || HTMLTextFormControlElement::isURLAttribute(attribute);
}

bool HTMLInputElement::hasLegalLinkAttribute(const QualifiedName& name) const
{
    return m_inputType->hasLegalLinkAttribute(name) || HTMLTextFormControlElement::hasLegalLinkAttribute(name);
}

const QualifiedName& HTMLInputElement::subResourceAttributeName() const
{
    return m_inputType->subResourceAttributeName();
}

const AtomicString& HTMLInputElement::defaultValue() const
{
    return fastGetAttribute(valueAttr);
}

void HTMLInputElement::setDefaultValue(const AtomicString& value)
{
    setAttribute(valueAttr, value);
}

static inline bool isRFC2616TokenCharacter(UChar ch)
{
    return isASCII(ch) && ch > ' ' && ch != '"' && ch != '(' && ch != ')' && ch != ',' && ch != '/' && (ch < ':' || ch > '@') && (ch < '[' || ch > ']') && ch != '{' && ch != '}' && ch != 0x7f;
}

static bool isValidMIMEType(const String& type)
{
    size_t slashPosition = type.find('/');
    if (slashPosition == kNotFound || !slashPosition || slashPosition == type.length() - 1)
        return false;
    for (size_t i = 0; i < type.length(); ++i) {
        if (!isRFC2616TokenCharacter(type[i]) && i != slashPosition)
            return false;
    }
    return true;
}

static bool isValidFileExtension(const String& type)
{
    if (type.length() < 2)
        return false;
    return type[0] == '.';
}

static Vector<String> parseAcceptAttribute(const String& acceptString, bool (*predicate)(const String&))
{
    Vector<String> types;
    if (acceptString.isEmpty())
        return types;

    Vector<String> splitTypes;
    acceptString.split(',', false, splitTypes);
    for (size_t i = 0; i < splitTypes.size(); ++i) {
        String trimmedType = stripLeadingAndTrailingHTMLSpaces(splitTypes[i]);
        if (trimmedType.isEmpty())
            continue;
        if (!predicate(trimmedType))
            continue;
        types.append(trimmedType.lower());
    }

    return types;
}

Vector<String> HTMLInputElement::acceptMIMETypes()
{
    return parseAcceptAttribute(fastGetAttribute(acceptAttr), isValidMIMEType);
}

Vector<String> HTMLInputElement::acceptFileExtensions()
{
    return parseAcceptAttribute(fastGetAttribute(acceptAttr), isValidFileExtension);
}

const AtomicString& HTMLInputElement::alt() const
{
    return fastGetAttribute(altAttr);
}

int HTMLInputElement::maxLength() const
{
    return m_maxLength;
}

void HTMLInputElement::setMaxLength(int maxLength, ExceptionState& exceptionState)
{
    if (maxLength < 0)
        exceptionState.throwDOMException(IndexSizeError, "The value provided (" + String::number(maxLength) + ") is negative.");
    else
        setIntegralAttribute(maxlengthAttr, maxLength);
}

bool HTMLInputElement::multiple() const
{
    return fastHasAttribute(multipleAttr);
}

void HTMLInputElement::setSize(unsigned size)
{
    setUnsignedIntegralAttribute(sizeAttr, size);
}

void HTMLInputElement::setSize(unsigned size, ExceptionState& exceptionState)
{
    if (!size)
        exceptionState.throwDOMException(IndexSizeError, "The value provided is 0, which is an invalid size.");
    else
        setSize(size);
}

KURL HTMLInputElement::src() const
{
    return document().completeURL(fastGetAttribute(srcAttr));
}

FileList* HTMLInputElement::files()
{
    return m_inputType->files();
}

void HTMLInputElement::setFiles(PassRefPtrWillBeRawPtr<FileList> files)
{
    m_inputType->setFiles(files);
}

bool HTMLInputElement::receiveDroppedFiles(const DragData* dragData)
{
    return m_inputType->receiveDroppedFiles(dragData);
}

String HTMLInputElement::droppedFileSystemId()
{
    return m_inputType->droppedFileSystemId();
}

bool HTMLInputElement::canReceiveDroppedFiles() const
{
    return m_canReceiveDroppedFiles;
}

void HTMLInputElement::setCanReceiveDroppedFiles(bool canReceiveDroppedFiles)
{
    if (m_canReceiveDroppedFiles == canReceiveDroppedFiles)
        return;
    m_canReceiveDroppedFiles = canReceiveDroppedFiles;
    if (renderer())
        renderer()->updateFromElement();
}

String HTMLInputElement::sanitizeValue(const String& proposedValue) const
{
    if (proposedValue.isNull())
        return proposedValue;
    return m_inputType->sanitizeValue(proposedValue);
}

String HTMLInputElement::localizeValue(const String& proposedValue) const
{
    if (proposedValue.isNull())
        return proposedValue;
    return m_inputType->localizeValue(proposedValue);
}

bool HTMLInputElement::isInRange() const
{
    return m_inputType->isInRange(value());
}

bool HTMLInputElement::isOutOfRange() const
{
    return m_inputType->isOutOfRange(value());
}

bool HTMLInputElement::isRequiredFormControl() const
{
    return m_inputType->supportsRequired() && isRequired();
}

bool HTMLInputElement::matchesReadOnlyPseudoClass() const
{
    return m_inputType->supportsReadOnly() && isReadOnly();
}

bool HTMLInputElement::matchesReadWritePseudoClass() const
{
    return m_inputType->supportsReadOnly() && !isReadOnly();
}

void HTMLInputElement::onSearch()
{
    ASSERT(isSearchField());
    if (m_inputType)
        static_cast<SearchInputType*>(m_inputType.get())->stopSearchEventTimer();
    dispatchEvent(Event::createBubble(EventTypeNames::search));
}

void HTMLInputElement::updateClearButtonVisibility()
{
    m_inputTypeView->updateClearButtonVisibility();
}

void HTMLInputElement::willChangeForm()
{
    removeFromRadioButtonGroup();
    HTMLTextFormControlElement::willChangeForm();
}

void HTMLInputElement::didChangeForm()
{
    HTMLTextFormControlElement::didChangeForm();
    addToRadioButtonGroup();
}

Node::InsertionNotificationRequest HTMLInputElement::insertedInto(ContainerNode* insertionPoint)
{
    HTMLTextFormControlElement::insertedInto(insertionPoint);
    if (insertionPoint->inDocument() && !form())
        addToRadioButtonGroup();
    resetListAttributeTargetObserver();
    return InsertionDone;
}

void HTMLInputElement::removedFrom(ContainerNode* insertionPoint)
{
    if (insertionPoint->inDocument() && !form())
        removeFromRadioButtonGroup();
    HTMLTextFormControlElement::removedFrom(insertionPoint);
    ASSERT(!inDocument());
    resetListAttributeTargetObserver();
}

void HTMLInputElement::didMoveToNewDocument(Document& oldDocument)
{
    if (hasImageLoader())
        imageLoader()->elementDidMoveToNewDocument();

    if (isRadioButton())
        oldDocument.formController().radioButtonGroupScope().removeButton(this);
    if (m_hasTouchEventHandler)
        oldDocument.didRemoveTouchEventHandler(this);

    if (m_hasTouchEventHandler)
        document().didAddTouchEventHandler(this);

    HTMLTextFormControlElement::didMoveToNewDocument(oldDocument);
}

void HTMLInputElement::removeAllEventListeners()
{
    HTMLTextFormControlElement::removeAllEventListeners();
    m_hasTouchEventHandler = false;
}

bool HTMLInputElement::recalcWillValidate() const
{
    return m_inputType->supportsValidation() && HTMLTextFormControlElement::recalcWillValidate();
}

void HTMLInputElement::requiredAttributeChanged()
{
    HTMLTextFormControlElement::requiredAttributeChanged();
    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        scope->requiredAttributeChanged(this);
    m_inputTypeView->requiredAttributeChanged();
}

void HTMLInputElement::selectColorInColorChooser(const Color& color)
{
    if (!m_inputType->isColorControl())
        return;
    static_cast<ColorInputType*>(m_inputType.get())->didChooseColor(color);
}

HTMLElement* HTMLInputElement::list() const
{
    return dataList();
}

HTMLDataListElement* HTMLInputElement::dataList() const
{
    if (!m_hasNonEmptyList)
        return 0;

    if (!m_inputType->shouldRespectListAttribute())
        return 0;

    Element* element = treeScope().getElementById(fastGetAttribute(listAttr));
    if (!element)
        return 0;
    if (!isHTMLDataListElement(*element))
        return 0;

    return toHTMLDataListElement(element);
}

bool HTMLInputElement::hasValidDataListOptions() const
{
    HTMLDataListElement* dataList = this->dataList();
    if (!dataList)
        return false;
    RefPtr<HTMLCollection> options = dataList->options();
    for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
        if (isValidValue(option->value()))
            return true;
    }
    return false;
}

void HTMLInputElement::resetListAttributeTargetObserver()
{
    if (inDocument())
        m_listAttributeTargetObserver = ListAttributeTargetObserver::create(fastGetAttribute(listAttr), this);
    else
        m_listAttributeTargetObserver = nullptr;
}

void HTMLInputElement::listAttributeTargetChanged()
{
    m_inputTypeView->listAttributeTargetChanged();
}

bool HTMLInputElement::isSteppable() const
{
    return m_inputType->isSteppable();
}

#if ENABLE(INPUT_SPEECH)

bool HTMLInputElement::isSpeechEnabled() const
{
    // FIXME: Add support for RANGE, EMAIL, URL, COLOR and DATE/TIME input types.
    return m_inputType->shouldRespectSpeechAttribute() && RuntimeEnabledFeatures::speechInputEnabled() && hasAttribute(webkitspeechAttr);
}

#endif

bool HTMLInputElement::isTextButton() const
{
    return m_inputType->isTextButton();
}

bool HTMLInputElement::isRadioButton() const
{
    return m_inputType->isRadioButton();
}

bool HTMLInputElement::isSearchField() const
{
    return m_inputType->isSearchField();
}

bool HTMLInputElement::isInputTypeHidden() const
{
    return m_inputType->isHiddenType();
}

bool HTMLInputElement::isPasswordField() const
{
    return m_inputType->isPasswordField();
}

bool HTMLInputElement::isCheckbox() const
{
    return m_inputType->isCheckbox();
}

bool HTMLInputElement::isRangeControl() const
{
    return m_inputType->isRangeControl();
}

bool HTMLInputElement::isText() const
{
    return m_inputType->isTextType();
}

bool HTMLInputElement::isEmailField() const
{
    return m_inputType->isEmailField();
}

bool HTMLInputElement::isFileUpload() const
{
    return m_inputType->isFileUpload();
}

bool HTMLInputElement::isImageButton() const
{
    return m_inputType->isImageButton();
}

bool HTMLInputElement::isNumberField() const
{
    return m_inputType->isNumberField();
}

bool HTMLInputElement::isTelephoneField() const
{
    return m_inputType->isTelephoneField();
}

bool HTMLInputElement::isURLField() const
{
    return m_inputType->isURLField();
}

bool HTMLInputElement::isDateField() const
{
    return m_inputType->isDateField();
}

bool HTMLInputElement::isDateTimeLocalField() const
{
    return m_inputType->isDateTimeLocalField();
}

bool HTMLInputElement::isMonthField() const
{
    return m_inputType->isMonthField();
}

bool HTMLInputElement::isTimeField() const
{
    return m_inputType->isTimeField();
}

bool HTMLInputElement::isWeekField() const
{
    return m_inputType->isWeekField();
}

bool HTMLInputElement::isEnumeratable() const
{
    return m_inputType->isEnumeratable();
}

bool HTMLInputElement::supportLabels() const
{
    return m_inputType->isInteractiveContent();
}

bool HTMLInputElement::shouldAppearChecked() const
{
    return checked() && m_inputType->isCheckable();
}

bool HTMLInputElement::supportsPlaceholder() const
{
    return m_inputType->supportsPlaceholder();
}

void HTMLInputElement::updatePlaceholderText()
{
    return m_inputTypeView->updatePlaceholderText();
}

void HTMLInputElement::parseMaxLengthAttribute(const AtomicString& value)
{
    int maxLength;
    if (!parseHTMLInteger(value, maxLength))
        maxLength = maximumLength;
    if (maxLength < 0 || maxLength > maximumLength)
        maxLength = maximumLength;
    int oldMaxLength = m_maxLength;
    m_maxLength = maxLength;
    if (oldMaxLength != maxLength)
        updateValueIfNeeded();
    setNeedsStyleRecalc(SubtreeStyleChange);
    setNeedsValidityCheck();
}

void HTMLInputElement::updateValueIfNeeded()
{
    String newValue = sanitizeValue(m_valueIfDirty);
    ASSERT(!m_valueIfDirty.isNull() || newValue.isNull());
    if (newValue != m_valueIfDirty)
        setValue(newValue);
}

String HTMLInputElement::defaultToolTip() const
{
    return m_inputType->defaultToolTip();
}

bool HTMLInputElement::shouldAppearIndeterminate() const
{
    return m_inputType->supportsIndeterminateAppearance() && indeterminate();
}

#if ENABLE(MEDIA_CAPTURE)
bool HTMLInputElement::capture() const
{
    if (!isFileUpload() || !fastHasAttribute(captureAttr))
        return false;

    // As per crbug.com/240252, emit a deprecation warning when the "capture"
    // attribute is used as an enum. The spec has been updated and "capture" is
    // supposed to be used as a boolean.
    bool hasDeprecatedUsage = !fastGetAttribute(captureAttr).isEmpty();
    if (hasDeprecatedUsage)
        UseCounter::countDeprecation(document(), UseCounter::CaptureAttributeAsEnum);
    else
        UseCounter::count(document(), UseCounter::CaptureAttributeAsBoolean);

    return true;
}
#endif

bool HTMLInputElement::isInRequiredRadioButtonGroup()
{
    ASSERT(isRadioButton());
    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        return scope->isInRequiredGroup(this);
    return false;
}

HTMLInputElement* HTMLInputElement::checkedRadioButtonForGroup() const
{
    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        return scope->checkedButtonForGroup(name());
    return 0;
}

RadioButtonGroupScope* HTMLInputElement::radioButtonGroupScope() const
{
    if (!isRadioButton())
        return 0;
    if (HTMLFormElement* formElement = form())
        return &formElement->radioButtonGroupScope();
    if (inDocument())
        return &document().formController().radioButtonGroupScope();
    return 0;
}

inline void HTMLInputElement::addToRadioButtonGroup()
{
    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        scope->addButton(this);
}

inline void HTMLInputElement::removeFromRadioButtonGroup()
{
    if (RadioButtonGroupScope* scope = radioButtonGroupScope())
        scope->removeButton(this);
}

unsigned HTMLInputElement::height() const
{
    return m_inputType->height();
}

unsigned HTMLInputElement::width() const
{
    return m_inputType->width();
}

void HTMLInputElement::setHeight(unsigned height)
{
    setUnsignedIntegralAttribute(heightAttr, height);
}

void HTMLInputElement::setWidth(unsigned width)
{
    setUnsignedIntegralAttribute(widthAttr, width);
}

PassOwnPtr<ListAttributeTargetObserver> ListAttributeTargetObserver::create(const AtomicString& id, HTMLInputElement* element)
{
    return adoptPtr(new ListAttributeTargetObserver(id, element));
}

ListAttributeTargetObserver::ListAttributeTargetObserver(const AtomicString& id, HTMLInputElement* element)
    : IdTargetObserver(element->treeScope().idTargetObserverRegistry(), id)
    , m_element(element)
{
}

void ListAttributeTargetObserver::idTargetChanged()
{
    m_element->listAttributeTargetChanged();
}

void HTMLInputElement::setRangeText(const String& replacement, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }

    HTMLTextFormControlElement::setRangeText(replacement, exceptionState);
}

void HTMLInputElement::setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionState& exceptionState)
{
    if (!m_inputType->supportsSelectionAPI()) {
        exceptionState.throwDOMException(InvalidStateError, "The input element's type ('" + m_inputType->formControlType() + "') does not support selection.");
        return;
    }

    HTMLTextFormControlElement::setRangeText(replacement, start, end, selectionMode, exceptionState);
}

bool HTMLInputElement::setupDateTimeChooserParameters(DateTimeChooserParameters& parameters)
{
    if (!document().view())
        return false;

    parameters.type = type();
    parameters.minimum = minimum();
    parameters.maximum = maximum();
    parameters.required = isRequired();
    if (!RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
        parameters.locale = defaultLanguage();
    else {
        AtomicString computedLocale = computeInheritedLanguage();
        parameters.locale = computedLocale.isEmpty() ? defaultLanguage() : computedLocale;
    }

    StepRange stepRange = createStepRange(RejectAny);
    if (stepRange.hasStep()) {
        parameters.step = stepRange.step().toDouble();
        parameters.stepBase = stepRange.stepBase().toDouble();
    } else {
        parameters.step = 1.0;
        parameters.stepBase = 0;
    }

    parameters.anchorRectInRootView = document().view()->contentsToRootView(pixelSnappedBoundingBox());
    parameters.currentValue = value();
    parameters.doubleValue = m_inputType->valueAsDouble();
    parameters.isAnchorElementRTL = computedStyle()->direction() == RTL;
    if (HTMLDataListElement* dataList = this->dataList()) {
        RefPtr<HTMLCollection> options = dataList->options();
        for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
            if (!isValidValue(option->value()))
                continue;
            DateTimeSuggestion suggestion;
            suggestion.value = m_inputType->parseToNumber(option->value(), Decimal::nan()).toDouble();
            if (std::isnan(suggestion.value))
                continue;
            suggestion.localizedValue = localizeValue(option->value());
            suggestion.label = option->value() == option->label() ? String() : option->label();
            parameters.suggestions.append(suggestion);
        }
    }
    return true;
}

bool HTMLInputElement::supportsInputModeAttribute() const
{
    return m_inputType->supportsInputModeAttribute();
}

void HTMLInputElement::setShouldRevealPassword(bool value)
{
    if (m_shouldRevealPassword == value)
        return;
    m_shouldRevealPassword = value;
    lazyReattachIfAttached();
}

bool HTMLInputElement::isInteractiveContent() const
{
    return m_inputType->isInteractiveContent();
}

bool HTMLInputElement::supportsAutofocus() const
{
    return m_inputType->isInteractiveContent();
}

#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
{
    return m_inputTypeView->customStyleForRenderer(originalStyleForRenderer());
}
#endif

} // namespace
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root/Source/core/html/HTMLInputElement.cpp

DEFINITIONS
