blob: 1ed3c215534332b1f2601d0417a2740558fd8d11 [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004-2021 Apple Inc. All rights reserved.
* (C) 2006 Alexey Proskuryakov (ap@nypop.com)
* Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
* Copyright (C) 2010-2021 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 "HTMLInputElement.h"
#include "AXObjectCache.h"
#include "BeforeTextInsertedEvent.h"
#include "CSSGradientValue.h"
#include "CSSPropertyNames.h"
#include "CSSValuePool.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "DateComponents.h"
#include "DateTimeChooser.h"
#include "DocumentInlines.h"
#include "Editor.h"
#include "ElementInlines.h"
#include "EventNames.h"
#include "FileInputType.h"
#include "FileList.h"
#include "FormController.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "FrameView.h"
#include "HTMLDataListElement.h"
#include "HTMLFormElement.h"
#include "HTMLImageLoader.h"
#include "HTMLOptionElement.h"
#include "HTMLParserIdioms.h"
#include "IdTargetObserver.h"
#include "KeyboardEvent.h"
#include "LocalizedStrings.h"
#include "MouseEvent.h"
#include "NodeRenderStyle.h"
#include "Page.h"
#include "PlatformMouseEvent.h"
#include "PseudoClassChangeInvalidation.h"
#include "RenderTextControlSingleLine.h"
#include "RenderTheme.h"
#include "ScopedEventQueue.h"
#include "SearchInputType.h"
#include "Settings.h"
#include "StepRange.h"
#include "StyleGeneratedImage.h"
#include "TextControlInnerElements.h"
#include "TypedElementDescendantIterator.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/Language.h>
#include <wtf/MathExtras.h>
#include <wtf/Ref.h>
#include <wtf/text/StringToIntegerConversion.h>
#if ENABLE(TOUCH_EVENTS)
#include "TouchEvent.h"
#endif
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLInputElement);
using namespace HTMLNames;
#if ENABLE(DATALIST_ELEMENT)
class ListAttributeTargetObserver final : public IdTargetObserver {
WTF_MAKE_FAST_ALLOCATED;
public:
ListAttributeTargetObserver(const AtomString& id, HTMLInputElement*);
void idTargetChanged() override;
private:
HTMLInputElement* m_element;
};
#endif
// 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 unsigned HTMLInputElement::maxEffectiveLength = 524288;
const int defaultSize = 20;
const int maxSavedResults = 256;
HTMLInputElement::HTMLInputElement(const QualifiedName& tagName, Document& document, HTMLFormElement* form, bool createdByParser)
: HTMLTextFormControlElement(tagName, document, form)
, m_size(defaultSize)
, m_isChecked(false)
, m_dirtyCheckednessFlag(false)
, m_isIndeterminate(false)
, m_hasType(false)
, m_isActivatedSubmit(false)
, m_autocomplete(Uninitialized)
, m_isAutoFilled(false)
, m_isAutoFilledAndViewable(false)
, m_isAutoFilledAndObscured(false)
, m_autoFillButtonType(static_cast<uint8_t>(AutoFillButtonType::None))
, m_lastAutoFillButtonType(static_cast<uint8_t>(AutoFillButtonType::None))
, m_isAutoFillAvailable(false)
#if ENABLE(DATALIST_ELEMENT)
, m_hasNonEmptyList(false)
#endif
, m_stateRestored(false)
, m_parsingInProgress(createdByParser)
, m_valueAttributeWasUpdatedAfterParsing(false)
, m_wasModifiedByUser(false)
, m_canReceiveDroppedFiles(false)
#if ENABLE(TOUCH_EVENTS)
, m_hasTouchEventHandler(false)
#endif
, m_isSpellcheckDisabledExceptTextReplacement(false)
{
// m_inputType is lazily created when constructed by the parser to avoid constructing unnecessarily a text inputType and
// its shadow subtree, just to destroy them when the |type| attribute gets set by the parser to something else than 'text'.
if (!createdByParser)
m_inputType = InputType::createText(*this);
ASSERT(hasTagName(inputTag));
setHasCustomStyleResolveCallbacks();
}
Ref<HTMLInputElement> HTMLInputElement::create(const QualifiedName& tagName, Document& document, HTMLFormElement* form, bool createdByParser)
{
bool shouldCreateShadowRootLazily = createdByParser;
Ref<HTMLInputElement> inputElement = adoptRef(*new HTMLInputElement(tagName, document, form, createdByParser));
if (!shouldCreateShadowRootLazily) {
ASSERT(inputElement->m_inputType->needsShadowSubtree());
inputElement->createUserAgentShadowRoot();
inputElement->createShadowSubtreeAndUpdateInnerTextElementEditability();
}
return inputElement;
}
HTMLImageLoader& HTMLInputElement::ensureImageLoader()
{
if (!m_imageLoader)
m_imageLoader = makeUnique<HTMLImageLoader>(*this);
return *m_imageLoader;
}
void HTMLInputElement::createShadowSubtreeAndUpdateInnerTextElementEditability()
{
Ref<InputType> protectedInputType(*m_inputType);
protectedInputType->createShadowSubtreeAndUpdateInnerTextElementEditability(m_parsingInProgress ? ChildChange::Source::Parser : ChildChange::Source::API, isInnerTextElementEditable());
}
HTMLInputElement::~HTMLInputElement()
{
if (needsSuspensionCallback())
document().unregisterForDocumentSuspensionCallbacks(*this);
// Need to remove form association while this is still an HTMLInputElement
// so that virtual functions are called correctly.
setForm(nullptr);
// This is needed for a radio button that was not in a form, and also for
// a radio button that was in a form. The call to setForm(nullptr) above
// actually adds the button to the document groups in the latter case.
// That is inelegant, but harmless since we remove it here.
if (isRadioButton())
treeScope().radioButtonGroups().removeButton(*this);
#if ENABLE(TOUCH_EVENTS)
if (m_hasTouchEventHandler)
document().didRemoveEventTargetNode(*this);
#endif
}
const AtomString& HTMLInputElement::name() const
{
return m_name.isNull() ? emptyAtom() : m_name;
}
Vector<FileChooserFileInfo> HTMLInputElement::filesFromFileInputFormControlState(const FormControlState& state)
{
return FileInputType::filesFromFormControlState(state);
}
HTMLElement* HTMLInputElement::containerElement() const
{
return m_inputType->containerElement();
}
RefPtr<TextControlInnerTextElement> HTMLInputElement::innerTextElement() const
{
return m_inputType->innerTextElement();
}
HTMLElement* HTMLInputElement::innerBlockElement() const
{
return m_inputType->innerBlockElement();
}
HTMLElement* HTMLInputElement::innerSpinButtonElement() const
{
return m_inputType->innerSpinButtonElement();
}
HTMLElement* HTMLInputElement::capsLockIndicatorElement() const
{
return m_inputType->capsLockIndicatorElement();
}
HTMLElement* HTMLInputElement::autoFillButtonElement() const
{
return m_inputType->autoFillButtonElement();
}
HTMLElement* HTMLInputElement::resultsButtonElement() const
{
return m_inputType->resultsButtonElement();
}
HTMLElement* HTMLInputElement::cancelButtonElement() const
{
return m_inputType->cancelButtonElement();
}
HTMLElement* HTMLInputElement::sliderThumbElement() const
{
return m_inputType->sliderThumbElement();
}
HTMLElement* HTMLInputElement::sliderTrackElement() const
{
return m_inputType->sliderTrackElement();
}
HTMLElement* HTMLInputElement::placeholderElement() const
{
return m_inputType->placeholderElement();
}
#if ENABLE(DATALIST_ELEMENT)
HTMLElement* HTMLInputElement::dataListButtonElement() const
{
return m_inputType->dataListButtonElement();
}
#endif
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)
&& !tooShort(value, IgnoreDirtyFlag)
&& !tooLong(value, IgnoreDirtyFlag)
&& !m_inputType->patternMismatch(value)
&& !m_inputType->valueMissing(value);
}
bool HTMLInputElement::tooShort() const
{
return tooShort(value(), CheckDirtyFlag);
}
bool HTMLInputElement::tooLong() const
{
return tooLong(value(), CheckDirtyFlag);
}
bool HTMLInputElement::typeMismatch() const
{
return m_inputType->typeMismatch();
}
bool HTMLInputElement::valueMissing() const
{
return m_inputType->valueMissing(value());
}
bool HTMLInputElement::hasBadInput() const
{
return m_inputType->hasBadInput();
}
bool HTMLInputElement::patternMismatch() const
{
return m_inputType->patternMismatch(value());
}
bool HTMLInputElement::tooShort(StringView value, NeedsToCheckDirtyFlag check) const
{
if (!supportsMinLength())
return false;
int min = minLength();
if (min <= 0)
return false;
if (check == CheckDirtyFlag) {
// Return false for the default value or a value set by a script even if
// it is shorter than minLength.
if (!hasDirtyValue() || !m_wasModifiedByUser)
return false;
}
// The empty string is excluded from tooShort validation.
if (value.isEmpty())
return false;
// FIXME: The HTML specification says that the "number of characters" is measured using code-unit length.
return numGraphemeClusters(value) < static_cast<unsigned>(min);
}
bool HTMLInputElement::tooLong(StringView value, NeedsToCheckDirtyFlag check) const
{
if (!supportsMaxLength())
return false;
unsigned max = effectiveMaxLength();
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() || !m_wasModifiedByUser)
return false;
}
// FIXME: The HTML specification says that the "number of characters" is measured using code-unit length.
return numGraphemeClusters(value) > max;
}
bool HTMLInputElement::rangeUnderflow() const
{
return m_inputType->rangeUnderflow(value());
}
bool HTMLInputElement::rangeOverflow() const
{
return 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 m_inputType->stepMismatch(value());
}
bool HTMLInputElement::computeValidity() const
{
String value = this->value();
bool someError = m_inputType->isInvalid(value) || tooShort(value, CheckDirtyFlag) || tooLong(value, CheckDirtyFlag) || customError();
return !someError;
}
bool HTMLInputElement::getAllowedValueStep(Decimal* step) const
{
return m_inputType->getAllowedValueStep(step);
}
StepRange HTMLInputElement::createStepRange(AnyStepHandling anyStepHandling) const
{
return m_inputType->createStepRange(anyStepHandling);
}
#if ENABLE(DATALIST_ELEMENT)
std::optional<Decimal> HTMLInputElement::findClosestTickMarkValue(const Decimal& value)
{
return m_inputType->findClosestTickMarkValue(value);
}
std::optional<double> HTMLInputElement::listOptionValueAsDouble(const HTMLOptionElement& optionElement)
{
auto optionValue = optionElement.value();
if (!isValidValue(optionValue))
return std::nullopt;
return parseToDoubleForNumberType(sanitizeValue(optionValue));
}
#endif
ExceptionOr<void> HTMLInputElement::stepUp(int n)
{
return m_inputType->stepUp(n);
}
ExceptionOr<void> HTMLInputElement::stepDown(int n)
{
return m_inputType->stepUp(-n);
}
void HTMLInputElement::blur()
{
m_inputType->blur();
}
void HTMLInputElement::defaultBlur()
{
HTMLTextFormControlElement::blur();
}
bool HTMLInputElement::hasCustomFocusLogic() const
{
return m_inputType->hasCustomFocusLogic();
}
int HTMLInputElement::defaultTabIndex() const
{
return 0;
}
bool HTMLInputElement::isKeyboardFocusable(KeyboardEvent* event) const
{
return m_inputType->isKeyboardFocusable(event);
}
bool HTMLInputElement::isMouseFocusable() const
{
return m_inputType->isMouseFocusable();
}
bool HTMLInputElement::isInteractiveContent() const
{
return m_inputType->isInteractiveContent();
}
bool HTMLInputElement::isTextFormControlFocusable() const
{
return HTMLTextFormControlElement::isFocusable();
}
bool HTMLInputElement::isTextFormControlKeyboardFocusable(KeyboardEvent* event) const
{
return HTMLTextFormControlElement::isKeyboardFocusable(event);
}
bool HTMLInputElement::isTextFormControlMouseFocusable() const
{
return HTMLTextFormControlElement::isMouseFocusable();
}
void HTMLInputElement::updateFocusAppearance(SelectionRestorationMode restorationMode, SelectionRevealMode revealMode)
{
if (isTextField()) {
if (restorationMode == SelectionRestorationMode::RestoreOrSelectAll && hasCachedSelection())
restoreCachedSelection(revealMode);
else
setDefaultSelectionAfterFocus(restorationMode, revealMode);
} else
HTMLTextFormControlElement::updateFocusAppearance(restorationMode, revealMode);
}
void HTMLInputElement::setDefaultSelectionAfterFocus(SelectionRestorationMode restorationMode, SelectionRevealMode revealMode)
{
ASSERT(isTextField());
int start = 0;
auto direction = SelectionHasNoDirection;
auto* frame = document().frame();
if (frame && frame->editor().behavior().shouldMoveSelectionToEndWhenFocusingTextInput()) {
start = std::numeric_limits<int>::max();
direction = SelectionHasForwardDirection;
}
int end = restorationMode == SelectionRestorationMode::PlaceCaretAtStart ? start : std::numeric_limits<int>::max();
setSelectionRange(start, end, direction, revealMode, Element::defaultFocusTextStateChangeIntent());
}
void HTMLInputElement::endEditing()
{
if (!isTextField())
return;
if (RefPtr<Frame> frame = document().frame())
frame->editor().textFieldDidEndEditing(this);
}
bool HTMLInputElement::shouldUseInputMethod()
{
return m_inputType->shouldUseInputMethod();
}
void HTMLInputElement::handleFocusEvent(Node* oldFocusedNode, FocusDirection direction)
{
m_inputType->handleFocusEvent(oldFocusedNode, direction);
invalidateStyleOnFocusChangeIfNeeded();
}
void HTMLInputElement::handleBlurEvent()
{
m_inputType->handleBlurEvent();
invalidateStyleOnFocusChangeIfNeeded();
}
void HTMLInputElement::setType(const AtomString& type)
{
setAttributeWithoutSynchronization(typeAttr, type);
}
void HTMLInputElement::resignStrongPasswordAppearance()
{
if (!hasAutoFillStrongPasswordButton())
return;
setAutoFilled(false);
setAutoFilledAndViewable(false);
setShowAutoFillButton(AutoFillButtonType::None);
if (auto* page = document().page())
page->chrome().client().inputElementDidResignStrongPasswordAppearance(*this);
}
void HTMLInputElement::updateType()
{
ASSERT(m_inputType);
auto newType = InputType::create(*this, attributeWithoutSynchronization(typeAttr));
m_hasType = true;
if (m_inputType->formControlType() == newType->formControlType())
return;
removeFromRadioButtonGroup();
resignStrongPasswordAppearance();
bool didStoreValue = m_inputType->storesValueSeparateFromAttribute();
bool willStoreValue = newType->storesValueSeparateFromAttribute();
bool neededSuspensionCallback = needsSuspensionCallback();
bool didRespectHeightAndWidth = m_inputType->shouldRespectHeightAndWidthAttributes();
bool wasSuccessfulSubmitButtonCandidate = m_inputType->canBeSuccessfulSubmitButton();
if (didStoreValue && !willStoreValue && hasDirtyValue()) {
setAttributeWithoutSynchronization(valueAttr, m_valueIfDirty);
m_valueIfDirty = String();
}
m_inputType->destroyShadowSubtree();
m_inputType->detachFromElement();
m_inputType = WTFMove(newType);
if (m_inputType->needsShadowSubtree()) {
ensureUserAgentShadowRoot();
createShadowSubtreeAndUpdateInnerTextElementEditability();
}
updateWillValidateAndValidity();
if (!didStoreValue && willStoreValue)
m_valueIfDirty = sanitizeValue(attributeWithoutSynchronization(valueAttr));
else
updateValueIfNeeded();
setFormControlValueMatchesRenderer(false);
m_inputType->updateInnerTextValue();
m_wasModifiedByUser = false;
if (neededSuspensionCallback)
unregisterForSuspensionCallbackIfNeeded();
else
registerForSuspensionCallbackIfNeeded();
if (didRespectHeightAndWidth != m_inputType->shouldRespectHeightAndWidthAttributes()) {
ASSERT(elementData());
// FIXME: We don't have the old attribute values so we pretend that we didn't have the old values.
if (const Attribute* height = findAttributeByName(heightAttr))
attributeChanged(heightAttr, nullAtom(), height->value());
if (const Attribute* width = findAttributeByName(widthAttr))
attributeChanged(widthAttr, nullAtom(), width->value());
if (const Attribute* align = findAttributeByName(alignAttr))
attributeChanged(alignAttr, nullAtom(), align->value());
}
if (form() && wasSuccessfulSubmitButtonCandidate != m_inputType->canBeSuccessfulSubmitButton())
form()->resetDefaultButton();
runPostTypeUpdateTasks();
}
inline void HTMLInputElement::runPostTypeUpdateTasks()
{
ASSERT(m_inputType);
#if ENABLE(TOUCH_EVENTS)
bool hasTouchEventHandler = m_inputType->hasTouchEventHandler();
if (hasTouchEventHandler != m_hasTouchEventHandler) {
if (hasTouchEventHandler)
document().didAddTouchEventHandler(*this);
else
document().didRemoveTouchEventHandler(*this);
m_hasTouchEventHandler = hasTouchEventHandler;
}
#endif
if (renderer())
invalidateStyleAndRenderersForSubtree();
if (document().focusedElement() == this)
updateFocusAppearance(SelectionRestorationMode::RestoreOrSelectAll, SelectionRevealMode::Reveal);
setChangedSinceLastFormControlChangeEvent(false);
addToRadioButtonGroup();
updateValidity();
}
void HTMLInputElement::subtreeHasChanged()
{
m_inputType->subtreeHasChanged();
// When typing in an input field, childrenChanged is not called, so we need to force the directionality check.
calculateAndAdjustDirectionality();
}
const AtomString& 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();
}
bool HTMLInputElement::canHaveSelection() const
{
return isTextField();
}
bool HTMLInputElement::accessKeyAction(bool sendMouseEvents)
{
Ref<InputType> protectedInputType(*m_inputType);
return protectedInputType->accessKeyAction(sendMouseEvents);
}
bool HTMLInputElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
{
if (name == vspaceAttr || name == hspaceAttr || name == widthAttr || name == heightAttr || (name == borderAttr && isImageButton()))
return true;
return HTMLTextFormControlElement::hasPresentationalHintsForAttribute(name);
}
void HTMLInputElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& 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);
if (isImageButton())
applyAspectRatioFromWidthAndHeightAttributesToStyle(value, attributeWithoutSynchronization(heightAttr), style);
} else if (name == heightAttr) {
if (m_inputType->shouldRespectHeightAndWidthAttributes())
addHTMLLengthToStyle(style, CSSPropertyHeight, value);
if (isImageButton())
applyAspectRatioFromWidthAndHeightAttributesToStyle(attributeWithoutSynchronization(widthAttr), value, style);
} else if (name == borderAttr && isImageButton())
applyBorderAttributeToStyle(value, style);
else
HTMLTextFormControlElement::collectPresentationalHintsForAttribute(name, value, style);
}
inline void HTMLInputElement::initializeInputType()
{
ASSERT(m_parsingInProgress);
ASSERT(!m_inputType);
const AtomString& type = attributeWithoutSynchronization(typeAttr);
if (type.isNull()) {
m_inputType = InputType::createText(*this);
ASSERT(m_inputType->needsShadowSubtree());
createUserAgentShadowRoot();
createShadowSubtreeAndUpdateInnerTextElementEditability();
updateWillValidateAndValidity();
return;
}
m_hasType = true;
m_inputType = InputType::create(*this, type);
if (m_inputType->needsShadowSubtree()) {
createUserAgentShadowRoot();
createShadowSubtreeAndUpdateInnerTextElementEditability();
}
updateWillValidateAndValidity();
registerForSuspensionCallbackIfNeeded();
runPostTypeUpdateTasks();
}
void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
ASSERT(m_inputType);
Ref<InputType> protectedInputType(*m_inputType);
if (name == nameAttr) {
removeFromRadioButtonGroup();
m_name = value;
addToRadioButtonGroup();
HTMLTextFormControlElement::parseAttribute(name, value);
} else if (name == autocompleteAttr) {
if (equalLettersIgnoringASCIICase(value, "off")) {
m_autocomplete = Off;
registerForSuspensionCallbackIfNeeded();
} else {
bool needsToUnregister = m_autocomplete == Off;
if (value.isEmpty())
m_autocomplete = Uninitialized;
else
m_autocomplete = On;
if (needsToUnregister)
unregisterForSuspensionCallbackIfNeeded();
}
} else if (name == typeAttr)
updateType();
else if (name == valueAttr) {
// Changes to the value attribute may change whether or not this element has a default value.
// If this field is autocomplete=off that might affect the return value of needsSuspensionCallback.
if (m_autocomplete == Off) {
unregisterForSuspensionCallbackIfNeeded();
registerForSuspensionCallbackIfNeeded();
}
// We only need to setChanged if the form is looking at the default value right now.
if (!hasDirtyValue()) {
updatePlaceholderVisibility();
invalidateStyleForSubtree();
setFormControlValueMatchesRenderer(false);
}
updateValidity();
m_valueAttributeWasUpdatedAfterParsing = !m_parsingInProgress;
} else if (name == checkedAttr) {
if (m_inputType->isCheckable())
invalidateStyleForSubtree();
// 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 || !document().formController().hasFormStateToRestore()) && !m_dirtyCheckednessFlag) {
setChecked(!value.isNull());
// setChecked() above sets the dirty checkedness flag so we need to reset it.
m_dirtyCheckednessFlag = false;
}
} else if (name == maxlengthAttr)
maxLengthAttributeChanged(value);
else if (name == minlengthAttr)
minLengthAttributeChanged(value);
else if (name == sizeAttr) {
unsigned oldSize = m_size;
m_size = limitToOnlyHTMLNonNegativeNumbersGreaterThanZero(value, defaultSize);
if (m_size != oldSize && renderer())
renderer()->setNeedsLayoutAndPrefWidthsRecalc();
} else if (name == resultsAttr)
m_maxResults = value.isNull() ? -1 : std::min(parseHTMLInteger(value).value_or(0), maxSavedResults);
else if (name == autosaveAttr || name == incrementalAttr)
invalidateStyleForSubtree();
else if (name == maxAttr || name == minAttr || name == multipleAttr || name == patternAttr || name == precisionAttr || name == stepAttr)
updateValidity();
#if ENABLE(DATALIST_ELEMENT)
else if (name == listAttr) {
m_hasNonEmptyList = !value.isEmpty();
if (m_hasNonEmptyList) {
resetListAttributeTargetObserver();
dataListMayHaveChanged();
}
}
#endif
else
HTMLTextFormControlElement::parseAttribute(name, value);
m_inputType->attributeChanged(name);
}
void HTMLInputElement::disabledStateChanged()
{
HTMLTextFormControlElement::disabledStateChanged();
m_inputType->disabledStateChanged();
}
void HTMLInputElement::readOnlyStateChanged()
{
HTMLTextFormControlElement::readOnlyStateChanged();
m_inputType->readOnlyStateChanged();
}
void HTMLInputElement::parserDidSetAttributes()
{
DelayedUpdateValidityScope delayedUpdateValidityScope(*this);
ASSERT(m_parsingInProgress);
initializeInputType();
}
void HTMLInputElement::finishParsingChildren()
{
m_parsingInProgress = false;
ASSERT(m_inputType);
HTMLTextFormControlElement::finishParsingChildren();
if (!m_stateRestored) {
bool checked = hasAttributeWithoutSynchronization(checkedAttr);
if (checked)
setChecked(checked);
m_dirtyCheckednessFlag = false;
}
}
bool HTMLInputElement::rendererIsNeeded(const RenderStyle& style)
{
return m_inputType->rendererIsNeeded() && HTMLTextFormControlElement::rendererIsNeeded(style);
}
RenderPtr<RenderElement> HTMLInputElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return m_inputType->createInputRenderer(WTFMove(style));
}
void HTMLInputElement::willAttachRenderers()
{
if (!m_hasType)
updateType();
}
void HTMLInputElement::didAttachRenderers()
{
HTMLTextFormControlElement::didAttachRenderers();
m_inputType->attach();
if (document().focusedElement() == this) {
document().view()->queuePostLayoutCallback([protectedThis = Ref { *this }] {
protectedThis->updateFocusAppearance(SelectionRestorationMode::RestoreOrSelectAll, SelectionRevealMode::Reveal);
});
}
}
void HTMLInputElement::didDetachRenderers()
{
setFormControlValueMatchesRenderer(false);
m_inputType->detach();
}
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 = attributeWithoutSynchronization(altAttr);
// fall back to title attribute
if (alt.isNull())
alt = attributeWithoutSynchronization(titleAttr);
if (alt.isNull())
alt = attributeWithoutSynchronization(valueAttr);
if (alt.isEmpty())
alt = inputElementAltText();
return alt;
}
bool HTMLInputElement::isSuccessfulSubmitButton() const
{
// HTML spec says that buttons must have names to be considered successful.
// However, other browsers do not impose this constraint. So we do not.
return !isDisabledFormControl() && m_inputType->canBeSuccessfulSubmitButton();
}
bool HTMLInputElement::matchesDefaultPseudoClass() const
{
ASSERT(m_inputType);
if (m_inputType->canBeSuccessfulSubmitButton())
return !isDisabledFormControl() && form() && form()->defaultButton() == this;
return m_inputType->isCheckable() && hasAttributeWithoutSynchronization(checkedAttr);
}
bool HTMLInputElement::isActivatedSubmit() const
{
return m_isActivatedSubmit;
}
void HTMLInputElement::setActivatedSubmit(bool flag)
{
m_isActivatedSubmit = flag;
}
bool HTMLInputElement::appendFormData(DOMFormData& formData)
{
Ref<InputType> protectedInputType(*m_inputType);
return m_inputType->isFormDataAppendable() && m_inputType->appendFormData(formData);
}
void HTMLInputElement::reset()
{
if (m_inputType->storesValueSeparateFromAttribute())
setValue(String());
setAutoFilled(false);
setAutoFilledAndViewable(false);
setAutoFilledAndObscured(false);
setShowAutoFillButton(AutoFillButtonType::None);
setChecked(hasAttributeWithoutSynchronization(checkedAttr));
m_dirtyCheckednessFlag = false;
}
bool HTMLInputElement::isTextField() const
{
return m_inputType->isTextField();
}
bool HTMLInputElement::isTextType() const
{
return m_inputType->isTextType();
}
void HTMLInputElement::setChecked(bool isChecked)
{
if (checked() == isChecked)
return;
m_inputType->willUpdateCheckedness(isChecked);
Style::PseudoClassChangeInvalidation checkedInvalidation(*this, CSSSelector::PseudoClassChecked, isChecked);
m_dirtyCheckednessFlag = true;
m_isChecked = isChecked;
if (RadioButtonGroups* buttons = radioButtonGroups())
buttons->updateCheckedState(*this);
if (renderer() && renderer()->style().hasEffectiveAppearance())
renderer()->theme().stateChanged(*renderer(), ControlStates::States::Checked);
updateValidity();
// 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);
}
}
void HTMLInputElement::setIndeterminate(bool newValue)
{
if (indeterminate() == newValue)
return;
m_isIndeterminate = newValue;
invalidateStyleForSubtree();
if (renderer() && renderer()->style().hasEffectiveAppearance())
renderer()->theme().stateChanged(*renderer(), ControlStates::States::Checked);
}
unsigned HTMLInputElement::size() const
{
return m_size;
}
bool HTMLInputElement::sizeShouldIncludeDecoration(int& preferredSize) const
{
return m_inputType->sizeShouldIncludeDecoration(defaultSize, preferredSize);
}
float HTMLInputElement::decorationWidth() const
{
return m_inputType->decorationWidth();
}
void HTMLInputElement::copyNonAttributePropertiesFromElement(const Element& source)
{
auto& sourceElement = downcast<HTMLInputElement>(source);
m_valueIfDirty = sourceElement.m_valueIfDirty;
m_wasModifiedByUser = false;
setChecked(sourceElement.m_isChecked);
m_dirtyCheckednessFlag = sourceElement.m_dirtyCheckednessFlag;
m_isIndeterminate = sourceElement.m_isIndeterminate;
HTMLTextFormControlElement::copyNonAttributePropertiesFromElement(source);
updateValidity();
setFormControlValueMatchesRenderer(false);
m_inputType->updateInnerTextValue();
}
String HTMLInputElement::value() const
{
String value;
if (m_inputType->canHaveTypeSpecificValue() && m_inputType->getTypeSpecificValue(value))
return value;
value = m_valueIfDirty;
if (!value.isNull())
return value;
auto& valueString = attributeWithoutSynchronization(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);
}
ExceptionOr<void> HTMLInputElement::setValue(const String& value, TextFieldEventBehavior eventBehavior)
{
if (isFileUpload() && !value.isEmpty())
return Exception { InvalidStateError };
if (!m_inputType->canSetValue(value))
return { };
Ref<HTMLInputElement> protectedThis(*this);
EventQueueScope scope;
String sanitizedValue = sanitizeValue(value);
bool valueChanged = sanitizedValue != this->value();
setLastChangeWasNotUserEdit();
setFormControlValueMatchesRenderer(false);
m_inputType->setValue(sanitizedValue, valueChanged, eventBehavior);
bool wasModifiedProgrammatically = eventBehavior == DispatchNoEvent;
if (wasModifiedProgrammatically)
resignStrongPasswordAppearance();
return { };
}
void HTMLInputElement::setValueInternal(const String& sanitizedValue, TextFieldEventBehavior eventBehavior)
{
m_valueIfDirty = sanitizedValue;
m_wasModifiedByUser = eventBehavior != DispatchNoEvent;
updateValidity();
}
WallTime HTMLInputElement::valueAsDate() const
{
return m_inputType->valueAsDate();
}
ExceptionOr<void> HTMLInputElement::setValueAsDate(WallTime value)
{
return m_inputType->setValueAsDate(value);
}
double HTMLInputElement::valueAsNumber() const
{
return m_inputType->valueAsDouble();
}
ExceptionOr<void> HTMLInputElement::setValueAsNumber(double newValue, TextFieldEventBehavior eventBehavior)
{
if (!std::isfinite(newValue))
return Exception { NotSupportedError };
return m_inputType->setValueAsDouble(newValue, eventBehavior);
}
void HTMLInputElement::setValueFromRenderer(const String& value)
{
// File upload controls will never use this.
ASSERT(!isFileUpload());
// Renderer and our event handler are responsible for sanitizing values.
// Input types that support the selection API do *not* sanitize their
// user input in order to retain parity between what's in the model and
// what's on the screen.
ASSERT(m_inputType->supportsSelectionAPI() || value == sanitizeValue(value) || sanitizeValue(value).isEmpty());
// Workaround for bug where trailing \n is included in the result of textContent.
// The assert macro above may also be simplified by removing the expression
// that calls isEmpty.
// http://bugs.webkit.org/show_bug.cgi?id=9661
m_valueIfDirty = value == "\n" ? emptyString() : value;
setFormControlValueMatchesRenderer(true);
m_wasModifiedByUser = true;
// Input event is fired by the Node::defaultEventHandler for editable controls.
if (!isTextField())
dispatchInputEvent();
updateValidity();
// We clear certain AutoFill flags here because this catches user edits.
setAutoFilled(false);
if (m_isAutoFilledAndViewable && value.isEmpty())
setAutoFilledAndViewable(false);
}
void HTMLInputElement::willDispatchEvent(Event& event, InputElementClickState& state)
{
if (event.type() == eventNames().textInputEvent && m_inputType->shouldSubmitImplicitly(event))
event.stopPropagation();
if (event.type() == eventNames().clickEvent && is<MouseEvent>(event) && downcast<MouseEvent>(event).button() == LeftButton) {
m_inputType->willDispatchClick(state);
state.stateful = true;
}
}
void HTMLInputElement::didDispatchClickEvent(Event& event, const InputElementClickState& state)
{
m_inputType->didDispatchClick(event, state);
}
void HTMLInputElement::didBlur()
{
m_inputType->elementDidBlur();
}
void HTMLInputElement::defaultEventHandler(Event& event)
{
if (is<MouseEvent>(event) && event.type() == eventNames().clickEvent && downcast<MouseEvent>(event).button() == LeftButton) {
m_inputType->handleClickEvent(downcast<MouseEvent>(event));
if (event.defaultHandled())
return;
}
#if ENABLE(TOUCH_EVENTS)
if (is<TouchEvent>(event)) {
m_inputType->handleTouchEvent(downcast<TouchEvent>(event));
if (event.defaultHandled())
return;
}
#endif
if (is<KeyboardEvent>(event) && event.type() == eventNames().keydownEvent) {
auto shouldCallBaseEventHandler = m_inputType->handleKeydownEvent(downcast<KeyboardEvent>(event));
if (event.defaultHandled() || shouldCallBaseEventHandler == InputType::ShouldCallBaseEventHandler::No)
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() && (event.type() == eventNames().keydownEvent || event.type() == eventNames().keypressEvent);
if (callBaseClassEarly) {
HTMLTextFormControlElement::defaultEventHandler(event);
if (event.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 (event.type() == eventNames().DOMActivateEvent) {
m_inputType->handleDOMActivateEvent(event);
if (event.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 (is<KeyboardEvent>(event)) {
KeyboardEvent& keyboardEvent = downcast<KeyboardEvent>(event);
if (keyboardEvent.type() == eventNames().keypressEvent) {
m_inputType->handleKeypressEvent(keyboardEvent);
if (keyboardEvent.defaultHandled())
return;
} else if (keyboardEvent.type() == eventNames().keyupEvent) {
m_inputType->handleKeyupEvent(keyboardEvent);
if (keyboardEvent.defaultHandled())
return;
}
}
if (m_inputType->shouldSubmitImplicitly(event)) {
if (isSearchField()) {
addSearchResult();
onSearch();
}
// Form submission finishes editing, just as loss of focus does.
// If there was a change, send the event now.
if (wasChangedSinceLastFormControlChangeEvent())
dispatchFormControlChangeEvent();
// Form may never have been present, or may have been destroyed by code responding to the change event.
if (RefPtr formElement = form())
formElement->submitImplicitly(event, canTriggerImplicitSubmission());
event.setDefaultHandled();
return;
}
if (is<BeforeTextInsertedEvent>(event))
m_inputType->handleBeforeTextInsertedEvent(downcast<BeforeTextInsertedEvent>(event));
if (is<MouseEvent>(event) && event.type() == eventNames().mousedownEvent) {
m_inputType->handleMouseDownEvent(downcast<MouseEvent>(event));
if (event.defaultHandled())
return;
}
m_inputType->forwardEvent(event);
if (!callBaseClassEarly && !event.defaultHandled())
HTMLTextFormControlElement::defaultEventHandler(event);
}
bool HTMLInputElement::willRespondToMouseClickEvents()
{
if (!isDisabledFormControl())
return true;
return HTMLTextFormControlElement::willRespondToMouseClickEvents();
}
bool HTMLInputElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == srcAttr || attribute.name() == formactionAttr || HTMLTextFormControlElement::isURLAttribute(attribute);
}
String HTMLInputElement::defaultValue() const
{
return attributeWithoutSynchronization(valueAttr);
}
void HTMLInputElement::setDefaultValue(const String &value)
{
setAttributeWithoutSynchronization(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 == notFound || !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;
for (auto& splitType : acceptString.split(',')) {
String trimmedType = stripLeadingAndTrailingHTMLSpaces(splitType);
if (trimmedType.isEmpty())
continue;
if (!predicate(trimmedType))
continue;
types.append(trimmedType.convertToASCIILowercase());
}
return types;
}
Vector<String> HTMLInputElement::acceptMIMETypes()
{
return parseAcceptAttribute(attributeWithoutSynchronization(acceptAttr), isValidMIMEType);
}
Vector<String> HTMLInputElement::acceptFileExtensions()
{
return parseAcceptAttribute(attributeWithoutSynchronization(acceptAttr), isValidFileExtension);
}
String HTMLInputElement::accept() const
{
return attributeWithoutSynchronization(acceptAttr);
}
String HTMLInputElement::alt() const
{
return attributeWithoutSynchronization(altAttr);
}
unsigned HTMLInputElement::effectiveMaxLength() const
{
// The number -1 represents no maximum at all; conveniently it becomes a super-large value when converted to unsigned.
return std::min<unsigned>(maxLength(), maxEffectiveLength);
}
bool HTMLInputElement::multiple() const
{
return hasAttributeWithoutSynchronization(multipleAttr);
}
ExceptionOr<void> HTMLInputElement::setSize(unsigned size)
{
if (!size)
return Exception { IndexSizeError };
setUnsignedIntegralAttribute(sizeAttr, limitToOnlyHTMLNonNegativeNumbersGreaterThanZero(size, defaultSize));
return { };
}
URL HTMLInputElement::src() const
{
return document().completeURL(attributeWithoutSynchronization(srcAttr));
}
void HTMLInputElement::setAutoFilled(bool autoFilled)
{
if (autoFilled == m_isAutoFilled)
return;
m_isAutoFilled = autoFilled;
invalidateStyleForSubtree();
}
void HTMLInputElement::setAutoFilledAndViewable(bool autoFilledAndViewable)
{
if (autoFilledAndViewable == m_isAutoFilledAndViewable)
return;
m_isAutoFilledAndViewable = autoFilledAndViewable;
invalidateStyleForSubtree();
}
void HTMLInputElement::setAutoFilledAndObscured(bool autoFilledAndObscured)
{
if (autoFilledAndObscured == m_isAutoFilledAndObscured)
return;
m_isAutoFilledAndObscured = autoFilledAndObscured;
invalidateStyleForSubtree();
}
void HTMLInputElement::setShowAutoFillButton(AutoFillButtonType autoFillButtonType)
{
if (static_cast<uint8_t>(autoFillButtonType) == m_autoFillButtonType)
return;
m_lastAutoFillButtonType = m_autoFillButtonType;
m_autoFillButtonType = static_cast<uint8_t>(autoFillButtonType);
m_inputType->updateAutoFillButton();
updateInnerTextElementEditability();
invalidateStyleForSubtree();
}
FileList* HTMLInputElement::files()
{
return m_inputType->files();
}
void HTMLInputElement::setFiles(RefPtr<FileList>&& files, WasSetByJavaScript wasSetByJavaScript)
{
m_inputType->setFiles(WTFMove(files), wasSetByJavaScript);
}
#if ENABLE(DRAG_SUPPORT)
bool HTMLInputElement::receiveDroppedFiles(const DragData& dragData)
{
return m_inputType->receiveDroppedFiles(dragData);
}
#endif
Icon* HTMLInputElement::icon() const
{
return m_inputType->icon();
}
String HTMLInputElement::displayString() const
{
return m_inputType->displayString();
}
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::visibleValue() const
{
return m_inputType->visibleValue();
}
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 willValidate() && m_inputType->isInRange(value());
}
bool HTMLInputElement::isOutOfRange() const
{
return willValidate() && m_inputType->isOutOfRange(value());
}
bool HTMLInputElement::needsSuspensionCallback()
{
if (m_inputType->shouldResetOnDocumentActivation())
return true;
// Sensitive input elements are marked with autocomplete=off, and we want to wipe them out
// when going back; returning true here arranges for us to call reset at the time
// the page is restored. Non-empty textual default values indicate that the field
// is not really sensitive -- there's no default value for an account number --
// and we would see unexpected results if we reset to something other than blank.
bool isSensitive = m_autocomplete == Off && !(m_inputType->isTextType() && !defaultValue().isEmpty());
return isSensitive;
}
void HTMLInputElement::registerForSuspensionCallbackIfNeeded()
{
if (needsSuspensionCallback())
document().registerForDocumentSuspensionCallbacks(*this);
}
void HTMLInputElement::unregisterForSuspensionCallbackIfNeeded()
{
if (!needsSuspensionCallback())
document().unregisterForDocumentSuspensionCallbacks(*this);
}
bool HTMLInputElement::isRequiredFormControl() const
{
return m_inputType->supportsRequired() && isRequired();
}
bool HTMLInputElement::matchesReadWritePseudoClass() const
{
return m_inputType->supportsReadOnly() && !isDisabledOrReadOnly();
}
void HTMLInputElement::addSearchResult()
{
m_inputType->addSearchResult();
}
void HTMLInputElement::onSearch()
{
// The type of the input element could have changed during event handling. If we are no longer
// a search field, don't try to do search things.
if (!isSearchField())
return;
if (m_inputType)
downcast<SearchInputType>(*m_inputType.get()).stopSearchEventTimer();
dispatchEvent(Event::create(eventNames().searchEvent, Event::CanBubble::Yes, Event::IsCancelable::No));
}
void HTMLInputElement::resumeFromDocumentSuspension()
{
ASSERT(needsSuspensionCallback());
#if ENABLE(INPUT_TYPE_COLOR)
// <input type=color> uses prepareForDocumentSuspension to detach the color picker UI,
// so it should not be reset when being loaded from page cache.
if (isColorControl())
return;
#endif // ENABLE(INPUT_TYPE_COLOR)
document().postTask([inputElement = Ref { *this }] (ScriptExecutionContext&) {
inputElement->reset();
});
}
#if ENABLE(INPUT_TYPE_COLOR)
void HTMLInputElement::prepareForDocumentSuspension()
{
if (!isColorControl())
return;
m_inputType->detach();
}
#endif // ENABLE(INPUT_TYPE_COLOR)
void HTMLInputElement::willChangeForm()
{
removeFromRadioButtonGroup();
HTMLTextFormControlElement::willChangeForm();
}
void HTMLInputElement::didChangeForm()
{
addToRadioButtonGroup();
HTMLTextFormControlElement::didChangeForm();
}
Node::InsertedIntoAncestorResult HTMLInputElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
{
if (isRadioButton())
updateValidity();
HTMLTextFormControlElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
#if ENABLE(DATALIST_ELEMENT)
resetListAttributeTargetObserver();
#endif
return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
}
void HTMLInputElement::didFinishInsertingNode()
{
HTMLTextFormControlElement::didFinishInsertingNode();
if (isInTreeScope() && !form())
addToRadioButtonGroup();
#if ENABLE(DATALIST_ELEMENT)
if (isConnected() && m_hasNonEmptyList)
dataListMayHaveChanged();
#endif
}
void HTMLInputElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
{
if (removalType.treeScopeChanged && isRadioButton())
oldParentOfRemovedTree.treeScope().radioButtonGroups().removeButton(*this);
if (removalType.disconnectedFromDocument && !form())
removeFromRadioButtonGroup();
HTMLTextFormControlElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
ASSERT(!isConnected());
if (removalType.disconnectedFromDocument && !form() && isRadioButton())
updateValidity();
#if ENABLE(DATALIST_ELEMENT)
resetListAttributeTargetObserver();
#endif
}
void HTMLInputElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
{
if (imageLoader())
imageLoader()->elementDidMoveToNewDocument(oldDocument);
// Always unregister for cache callbacks when leaving a document, even if we would otherwise like to be registered
if (needsSuspensionCallback()) {
oldDocument.unregisterForDocumentSuspensionCallbacks(*this);
newDocument.registerForDocumentSuspensionCallbacks(*this);
}
#if ENABLE(TOUCH_EVENTS)
if (m_hasTouchEventHandler) {
oldDocument.didRemoveEventTargetNode(*this);
newDocument.didAddTouchEventHandler(*this);
}
#endif
HTMLTextFormControlElement::didMoveToNewDocument(oldDocument, newDocument);
}
void HTMLInputElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
{
HTMLTextFormControlElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, src());
}
bool HTMLInputElement::computeWillValidate() const
{
return m_inputType->supportsValidation() && HTMLTextFormControlElement::computeWillValidate();
}
void HTMLInputElement::requiredStateChanged()
{
HTMLTextFormControlElement::requiredStateChanged();
if (auto* buttons = radioButtonGroups())
buttons->requiredStateChanged(*this);
m_inputType->requiredStateChanged();
}
Color HTMLInputElement::valueAsColor() const
{
return m_inputType->valueAsColor();
}
void HTMLInputElement::selectColor(StringView color)
{
m_inputType->selectColor(color);
}
Vector<Color> HTMLInputElement::suggestedColors() const
{
return m_inputType->suggestedColors();
}
#if ENABLE(DATALIST_ELEMENT)
RefPtr<HTMLElement> HTMLInputElement::list() const
{
return dataList();
}
RefPtr<HTMLDataListElement> HTMLInputElement::dataList() const
{
if (!m_hasNonEmptyList)
return nullptr;
if (!m_inputType->shouldRespectListAttribute())
return nullptr;
RefPtr<Element> element = treeScope().getElementById(attributeWithoutSynchronization(listAttr));
if (!is<HTMLDataListElement>(element))
return nullptr;
return downcast<HTMLDataListElement>(element.get());
}
void HTMLInputElement::resetListAttributeTargetObserver()
{
if (isConnected()) {
if (auto& listAttrValue = attributeWithoutSynchronization(listAttr); !listAttrValue.isNull()) {
m_listAttributeTargetObserver = makeUnique<ListAttributeTargetObserver>(listAttrValue, this);
return;
}
}
m_listAttributeTargetObserver = nullptr;
}
void HTMLInputElement::dataListMayHaveChanged()
{
m_inputType->dataListMayHaveChanged();
}
bool HTMLInputElement::isFocusingWithDataListDropdown() const
{
return m_inputType->isFocusingWithDataListDropdown();
}
#endif // ENABLE(DATALIST_ELEMENT)
bool HTMLInputElement::isPresentingAttachedView() const
{
return m_inputType->isPresentingAttachedView();
}
bool HTMLInputElement::isSteppable() const
{
return m_inputType->isSteppable();
}
DateComponentsType HTMLInputElement::dateType() const
{
return m_inputType->dateType();
}
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();
}
#if ENABLE(INPUT_TYPE_COLOR)
bool HTMLInputElement::isColorControl() const
{
return m_inputType->isColorControl();
}
#endif
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::isSubmitButton() const
{
return m_inputType->isSubmitButton();
}
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->supportLabels();
}
bool HTMLInputElement::shouldAppearChecked() const
{
return checked() && m_inputType->isCheckable();
}
bool HTMLInputElement::supportsPlaceholder() const
{
return m_inputType->supportsPlaceholder();
}
void HTMLInputElement::updatePlaceholderText()
{
return m_inputType->updatePlaceholderText();
}
bool HTMLInputElement::isEmptyValue() const
{
return m_inputType->isEmptyValue();
}
void HTMLInputElement::maxLengthAttributeChanged(const AtomString& newValue)
{
unsigned oldEffectiveMaxLength = effectiveMaxLength();
internalSetMaxLength(parseHTMLNonNegativeInteger(newValue).value_or(-1));
if (oldEffectiveMaxLength != effectiveMaxLength())
updateValueIfNeeded();
// FIXME: Do we really need to do this if the effective maxLength has not changed?
invalidateStyleForSubtree();
updateValidity();
}
void HTMLInputElement::minLengthAttributeChanged(const AtomString& newValue)
{
int oldMinLength = minLength();
internalSetMinLength(parseHTMLNonNegativeInteger(newValue).value_or(-1));
if (oldMinLength != minLength())
updateValueIfNeeded();
// FIXME: Do we really need to do this if the effective minLength has not changed?
invalidateStyleForSubtree();
updateValidity();
}
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::matchesIndeterminatePseudoClass() const
{
// For input elements, matchesIndeterminatePseudoClass()
// is not equivalent to shouldAppearIndeterminate() because of radio button.
//
// A group of radio button without any checked button is indeterminate
// for the :indeterminate selector. On the other hand, RenderTheme
// currently only supports single element being indeterminate.
// Because of this, radio is indetermindate for CSS but not for render theme.
return m_inputType->matchesIndeterminatePseudoClass();
}
bool HTMLInputElement::shouldAppearIndeterminate() const
{
return m_inputType->shouldAppearIndeterminate();
}
#if ENABLE(MEDIA_CAPTURE)
MediaCaptureType HTMLInputElement::mediaCaptureType() const
{
if (!isFileUpload())
return MediaCaptureTypeNone;
auto& captureAttribute = attributeWithoutSynchronization(captureAttr);
if (captureAttribute.isNull())
return MediaCaptureTypeNone;
if (equalLettersIgnoringASCIICase(captureAttribute, "user"))
return MediaCaptureTypeUser;
return MediaCaptureTypeEnvironment;
}
#endif
bool HTMLInputElement::isInRequiredRadioButtonGroup()
{
ASSERT(isRadioButton());
if (RadioButtonGroups* buttons = radioButtonGroups())
return buttons->isInRequiredGroup(*this);
return false;
}
Vector<Ref<HTMLInputElement>> HTMLInputElement::radioButtonGroup() const
{
RadioButtonGroups* buttons = radioButtonGroups();
if (!buttons)
return { };
return buttons->groupMembers(*this);
}
RefPtr<HTMLInputElement> HTMLInputElement::checkedRadioButtonForGroup() const
{
if (checked())
return const_cast<HTMLInputElement*>(this);
auto& name = this->name();
if (RadioButtonGroups* buttons = radioButtonGroups())
return buttons->checkedButtonForGroup(name);
if (name.isEmpty())
return nullptr;
// The input is not managed by a RadioButtonGroups, we'll need to traverse the tree.
for (auto& descendant : descendantsOfType<HTMLInputElement>(rootNode())) {
if (descendant.checked() && descendant.isRadioButton() && !descendant.form() && name == descendant.name())
return &descendant;
}
return nullptr;
}
RadioButtonGroups* HTMLInputElement::radioButtonGroups() const
{
if (!isRadioButton())
return nullptr;
if (auto* formElement = form())
return &formElement->radioButtonGroups();
if (isInTreeScope())
return &treeScope().radioButtonGroups();
return nullptr;
}
inline void HTMLInputElement::addToRadioButtonGroup()
{
if (auto* buttons = radioButtonGroups())
buttons->addButton(*this);
}
inline void HTMLInputElement::removeFromRadioButtonGroup()
{
if (auto* buttons = radioButtonGroups())
buttons->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);
}
#if ENABLE(DATALIST_ELEMENT)
ListAttributeTargetObserver::ListAttributeTargetObserver(const AtomString& id, HTMLInputElement* element)
: IdTargetObserver(element->treeScope().idTargetObserverRegistry(), id)
, m_element(element)
{
}
void ListAttributeTargetObserver::idTargetChanged()
{
m_element->dataListMayHaveChanged();
}
#endif
ExceptionOr<void> HTMLInputElement::setRangeText(const String& replacement)
{
if (!m_inputType->supportsSelectionAPI())
return Exception { InvalidStateError };
return HTMLTextFormControlElement::setRangeText(replacement);
}
ExceptionOr<void> HTMLInputElement::setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode)
{
if (!m_inputType->supportsSelectionAPI())
return Exception { InvalidStateError };
return HTMLTextFormControlElement::setRangeText(replacement, start, end, selectionMode);
}
bool HTMLInputElement::shouldTruncateText(const RenderStyle& style) const
{
if (!isTextField())
return false;
return document().focusedElement() != this && style.textOverflow() == TextOverflow::Ellipsis;
}
void HTMLInputElement::invalidateStyleOnFocusChangeIfNeeded()
{
if (!isTextField())
return;
// Focus change may affect the result of shouldTruncateText().
if (auto* style = renderStyle(); style && style->textOverflow() == TextOverflow::Ellipsis)
invalidateStyleForSubtreeInternal();
}
ExceptionOr<int> HTMLInputElement::selectionStartForBindings() const
{
if (!canHaveSelection())
return Exception { TypeError };
return selectionStart();
}
ExceptionOr<void> HTMLInputElement::setSelectionStartForBindings(int start)
{
if (!canHaveSelection())
return Exception { TypeError };
setSelectionStart(start);
return { };
}
ExceptionOr<int> HTMLInputElement::selectionEndForBindings() const
{
if (!canHaveSelection())
return Exception { TypeError };
return selectionEnd();
}
ExceptionOr<void> HTMLInputElement::setSelectionEndForBindings(int end)
{
if (!canHaveSelection())
return Exception { TypeError };
setSelectionEnd(end);
return { };
}
ExceptionOr<String> HTMLInputElement::selectionDirectionForBindings() const
{
if (!canHaveSelection())
return Exception { TypeError };
return String { selectionDirection() };
}
ExceptionOr<void> HTMLInputElement::setSelectionDirectionForBindings(const String& direction)
{
if (!canHaveSelection())
return Exception { TypeError };
setSelectionDirection(direction);
return { };
}
ExceptionOr<void> HTMLInputElement::setSelectionRangeForBindings(int start, int end, const String& direction)
{
if (!canHaveSelection())
return Exception { TypeError };
setSelectionRange(start, end, direction);
return { };
}
static Ref<CSSLinearGradientValue> autoFillStrongPasswordMaskImage()
{
CSSGradientColorStopList stops {
{ CSSValuePool::singleton().createColorValue(Color::black), CSSValuePool::singleton().createValue(50, CSSUnitType::CSS_PERCENTAGE), { } },
{ CSSValuePool::singleton().createColorValue(Color::transparentBlack), CSSValuePool::singleton().createValue(100, CSSUnitType::CSS_PERCENTAGE), { } }
};
auto colorInterpolationMethod = CSSGradientColorInterpolationMethod::legacyMethod(AlphaPremultiplication::Unpremultiplied);
auto gradient = CSSLinearGradientValue::create(CSSGradientRepeat::NonRepeating, CSSGradientType::CSSLinearGradient, colorInterpolationMethod, WTFMove(stops));
gradient->setAngle(CSSValuePool::singleton().createValue(90, CSSUnitType::CSS_DEG));
gradient->resolveRGBColors();
return gradient;
}
RenderStyle HTMLInputElement::createInnerTextStyle(const RenderStyle& style)
{
auto textBlockStyle = RenderStyle::create();
textBlockStyle.inheritFrom(style);
adjustInnerTextStyle(style, textBlockStyle);
textBlockStyle.setWhiteSpace(WhiteSpace::Pre);
textBlockStyle.setOverflowWrap(OverflowWrap::Normal);
textBlockStyle.setOverflowX(Overflow::Hidden);
textBlockStyle.setOverflowY(Overflow::Hidden);
textBlockStyle.setTextOverflow(shouldTruncateText(style) ? TextOverflow::Ellipsis : TextOverflow::Clip);
textBlockStyle.setDisplay(DisplayType::Block);
if (hasAutoFillStrongPasswordButton() && !isDisabledOrReadOnly()) {
textBlockStyle.setDisplay(DisplayType::InlineBlock);
textBlockStyle.setMaxWidth(Length { 100, LengthType::Percent });
textBlockStyle.setColor(Color::black.colorWithAlphaByte(153));
textBlockStyle.setTextOverflow(TextOverflow::Clip);
textBlockStyle.setMaskImage(StyleGeneratedImage::create(autoFillStrongPasswordMaskImage()));
// A stacking context is needed for the mask.
if (textBlockStyle.hasAutoUsedZIndex())
textBlockStyle.setUsedZIndex(0);
}
// Do not allow line-height to be smaller than our default.
if (textBlockStyle.fontMetrics().lineSpacing() > style.computedLineHeight())
textBlockStyle.setLineHeight(RenderStyle::initialLineHeight());
return textBlockStyle;
}
void HTMLInputElement::capsLockStateMayHaveChanged()
{
m_inputType->capsLockStateMayHaveChanged();
}
String HTMLInputElement::resultForDialogSubmit() const
{
return m_inputType->resultForDialogSubmit();
}
String HTMLInputElement::placeholder() const
{
// According to the HTML5 specification, we need to remove CR and LF from
// the attribute value.
String attributeValue = attributeWithoutSynchronization(placeholderAttr);
return attributeValue.removeCharacters([](UChar c) {
return c == newlineCharacter || c == carriageReturn;
});
}
} // namespace