247 lines
8.8 KiB
C++
247 lines
8.8 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004-2018 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "Autofill.h"
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#include "FormAssociatedElement.h"
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#include "LabelableElement.h"
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#if ENABLE(AUTOCAPITALIZE)
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#include "Autocapitalize.h"
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#endif
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namespace WebCore {
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class DOMFormData;
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class HTMLFieldSetElement;
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class HTMLFormElement;
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class HTMLLegendElement;
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class ValidationMessage;
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// HTMLFormControlElement is the default implementation of FormAssociatedElement,
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// and form-associated element implementations should use HTMLFormControlElement
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// unless there is a special reason.
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class HTMLFormControlElement : public LabelableElement, public FormAssociatedElement {
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WTF_MAKE_ISO_ALLOCATED(HTMLFormControlElement);
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friend class DelayedUpdateValidityScope;
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public:
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virtual ~HTMLFormControlElement();
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HTMLFormElement* form() const final { return FormAssociatedElement::form(); }
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WEBCORE_EXPORT String formEnctype() const;
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WEBCORE_EXPORT void setFormEnctype(const String&);
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WEBCORE_EXPORT String formMethod() const;
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WEBCORE_EXPORT void setFormMethod(const String&);
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bool formNoValidate() const;
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WEBCORE_EXPORT String formAction() const;
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WEBCORE_EXPORT void setFormAction(const AtomString&);
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void setAncestorDisabled(bool isDisabled);
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virtual void reset() { }
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bool formControlValueMatchesRenderer() const { return m_valueMatchesRenderer; }
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void setFormControlValueMatchesRenderer(bool b) { m_valueMatchesRenderer = b; }
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bool wasChangedSinceLastFormControlChangeEvent() const { return m_wasChangedSinceLastFormControlChangeEvent; }
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void setChangedSinceLastFormControlChangeEvent(bool);
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virtual void dispatchFormControlChangeEvent();
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void dispatchChangeEvent();
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void dispatchFormControlInputEvent();
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bool isDisabledFormControl() const final { return m_disabled || m_disabledByAncestorFieldset; }
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bool isEnumeratable() const override { return false; }
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bool isRequired() const;
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const AtomString& type() const { return formControlType(); }
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virtual const AtomString& formControlType() const = 0;
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virtual bool canTriggerImplicitSubmission() const { return false; }
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// Override in derived classes to get the encoded name=value pair for submitting.
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// Return true for a successful control (see HTML4-17.13.2).
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bool appendFormData(DOMFormData&, bool) override { return false; }
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virtual bool isSuccessfulSubmitButton() const { return false; }
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virtual bool isActivatedSubmit() const { return false; }
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virtual void setActivatedSubmit(bool) { }
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#if ENABLE(AUTOCORRECT)
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WEBCORE_EXPORT bool shouldAutocorrect() const final;
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#endif
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#if ENABLE(AUTOCAPITALIZE)
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WEBCORE_EXPORT AutocapitalizeType autocapitalizeType() const final;
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#endif
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// "willValidate" means "is a candidate for constraint validation".
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WEBCORE_EXPORT bool willValidate() const final;
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void updateVisibleValidationMessage();
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void hideVisibleValidationMessage();
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WEBCORE_EXPORT bool checkValidity(Vector<RefPtr<HTMLFormControlElement>>* unhandledInvalidControls = nullptr);
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bool reportValidity();
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void focusAndShowValidationMessage();
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bool isShowingValidationMessage() const;
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WEBCORE_EXPORT bool isFocusingWithValidationMessage() const;
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// This must be called when a validation constraint or control value is changed.
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void updateValidity();
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void setCustomValidity(const String&) override;
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bool isReadOnly() const { return m_isReadOnly; }
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bool isDisabledOrReadOnly() const { return isDisabledFormControl() || m_isReadOnly; }
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bool hasAutofocused() { return m_hasAutofocused; }
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void setAutofocused() { m_hasAutofocused = true; }
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WEBCORE_EXPORT String autocomplete() const;
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WEBCORE_EXPORT void setAutocomplete(const String&);
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AutofillMantle autofillMantle() const;
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WEBCORE_EXPORT AutofillData autofillData() const;
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virtual bool isSubmitButton() const { return false; }
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virtual String resultForDialogSubmit() const { return attributeWithoutSynchronization(HTMLNames::valueAttr); }
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using Node::ref;
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using Node::deref;
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protected:
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HTMLFormControlElement(const QualifiedName& tagName, Document&, HTMLFormElement*);
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bool disabledByAncestorFieldset() const { return m_disabledByAncestorFieldset; }
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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virtual void disabledAttributeChanged();
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virtual void disabledStateChanged();
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virtual void readOnlyStateChanged();
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virtual void requiredStateChanged();
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void didAttachRenderers() override;
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InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
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void didFinishInsertingNode() override;
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void removedFromAncestor(RemovalType, ContainerNode&) override;
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void didMoveToNewDocument(Document& oldDocument, Document& newDocument) override;
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bool supportsFocus() const override;
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bool isKeyboardFocusable(KeyboardEvent*) const override;
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bool isMouseFocusable() const override;
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void didRecalcStyle(Style::Change) override;
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void dispatchBlurEvent(RefPtr<Element>&& newFocusedElement) override;
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// This must be called any time the result of willValidate() has changed.
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void updateWillValidateAndValidity();
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virtual bool computeWillValidate() const;
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bool validationMessageShadowTreeContains(const Node&) const;
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void willChangeForm() override;
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void didChangeForm() override;
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private:
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void refFormAssociatedElement() override { ref(); }
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void derefFormAssociatedElement() override { deref(); }
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bool matchesValidPseudoClass() const override;
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bool matchesInvalidPseudoClass() const override;
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bool isFormControlElement() const final { return true; }
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bool isValidFormControlElement() const;
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bool computeIsDisabledByFieldsetAncestor() const;
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void startDelayingUpdateValidity() { ++m_delayedUpdateValidityCount; }
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void endDelayingUpdateValidity();
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HTMLElement& asHTMLElement() final { return *this; }
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const HTMLFormControlElement& asHTMLElement() const final { return *this; }
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FormNamedItem* asFormNamedItem() final { return this; }
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FormAssociatedElement* asFormAssociatedElement() final { return this; }
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bool needsMouseFocusableQuirk() const;
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std::unique_ptr<ValidationMessage> m_validationMessage;
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unsigned m_delayedUpdateValidityCount { 0 };
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bool m_isFocusingWithValidationMessage { false };
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unsigned m_disabled : 1;
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unsigned m_isReadOnly : 1;
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unsigned m_isRequired : 1;
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unsigned m_valueMatchesRenderer : 1;
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unsigned m_disabledByAncestorFieldset : 1;
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enum DataListAncestorState { Unknown, InsideDataList, NotInsideDataList };
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mutable unsigned m_dataListAncestorState : 2;
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// The initial value of m_willValidate depends on the derived class. We can't
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// initialize it with a virtual function in the constructor. m_willValidate
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// is not deterministic as long as m_willValidateInitialized is false.
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mutable bool m_willValidateInitialized: 1;
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mutable bool m_willValidate : 1;
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// Cache of validity()->valid().
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// But "candidate for constraint validation" doesn't affect m_isValid.
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unsigned m_isValid : 1;
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unsigned m_wasChangedSinceLastFormControlChangeEvent : 1;
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unsigned m_hasAutofocused : 1;
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};
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class DelayedUpdateValidityScope {
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public:
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DelayedUpdateValidityScope(HTMLFormControlElement& element)
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: m_element(element)
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{
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m_element.startDelayingUpdateValidity();
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}
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~DelayedUpdateValidityScope()
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{
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m_element.endDelayingUpdateValidity();
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}
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private:
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HTMLFormControlElement& m_element;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLFormControlElement)
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static bool isType(const WebCore::Element& element) { return element.isFormControlElement(); }
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static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
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static bool isType(const WebCore::FormAssociatedElement& element) { return element.isFormControlElement(); }
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SPECIALIZE_TYPE_TRAITS_END()
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