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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004-2017 Apple Inc. 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.
*
*/
#pragma once
#include "Autofill.h"
#include "FormAssociatedElement.h"
#include "LabelableElement.h"
#if ENABLE(IOS_AUTOCORRECT_AND_AUTOCAPITALIZE)
#include "Autocapitalize.h"
#endif
namespace WebCore {
class FormDataList;
class HTMLFieldSetElement;
class HTMLFormElement;
class HTMLLegendElement;
class ValidationMessage;
// HTMLFormControlElement is the default implementation of FormAssociatedElement,
// and form-associated element implementations should use HTMLFormControlElement
// unless there is a special reason.
class HTMLFormControlElement : public LabelableElement, public FormAssociatedElement {
public:
virtual ~HTMLFormControlElement();
HTMLFormElement* form() const final { return FormAssociatedElement::form(); }
WEBCORE_EXPORT String formEnctype() const;
WEBCORE_EXPORT void setFormEnctype(const String&);
WEBCORE_EXPORT String formMethod() const;
WEBCORE_EXPORT void setFormMethod(const String&);
bool formNoValidate() const;
WEBCORE_EXPORT String formAction() const;
WEBCORE_EXPORT void setFormAction(const AtomicString&);
void setAncestorDisabled(bool isDisabled);
virtual void reset() { }
bool formControlValueMatchesRenderer() const { return m_valueMatchesRenderer; }
void setFormControlValueMatchesRenderer(bool b) { m_valueMatchesRenderer = b; }
bool wasChangedSinceLastFormControlChangeEvent() const { return m_wasChangedSinceLastFormControlChangeEvent; }
void setChangedSinceLastFormControlChangeEvent(bool);
virtual void dispatchFormControlChangeEvent();
void dispatchChangeEvent();
void dispatchFormControlInputEvent();
bool isDisabledFormControl() const override;
bool isFocusable() const override;
bool isEnumeratable() const override { return false; }
bool isRequired() const;
const AtomicString& type() const { return formControlType(); }
virtual const AtomicString& formControlType() const = 0;
virtual bool canTriggerImplicitSubmission() const { return false; }
// Override in derived classes to get the encoded name=value pair for submitting.
// Return true for a successful control (see HTML4-17.13.2).
bool appendFormData(FormDataList&, bool) override { return false; }
virtual bool isSuccessfulSubmitButton() const { return false; }
virtual bool isActivatedSubmit() const { return false; }
virtual void setActivatedSubmit(bool) { }
#if ENABLE(IOS_AUTOCORRECT_AND_AUTOCAPITALIZE)
WEBCORE_EXPORT bool shouldAutocorrect() const final;
WEBCORE_EXPORT AutocapitalizeType autocapitalizeType() const final;
#endif
WEBCORE_EXPORT bool willValidate() const final;
void updateVisibleValidationMessage();
void hideVisibleValidationMessage();
WEBCORE_EXPORT bool checkValidity(Vector<RefPtr<HTMLFormControlElement>>* unhandledInvalidControls = nullptr);
bool reportValidity();
void focusAndShowValidationMessage();
// This must be called when a validation constraint or control value is changed.
void updateValidity();
void setCustomValidity(const String&) override;
bool isReadOnly() const { return m_isReadOnly; }
bool isDisabledOrReadOnly() const { return isDisabledFormControl() || m_isReadOnly; }
bool hasAutofocused() { return m_hasAutofocused; }
void setAutofocused() { m_hasAutofocused = true; }
static HTMLFormControlElement* enclosingFormControlElement(Node*);
WEBCORE_EXPORT String autocomplete() const;
WEBCORE_EXPORT void setAutocomplete(const String&);
AutofillMantle autofillMantle() const;
WEBCORE_EXPORT AutofillData autofillData() const;
using Node::ref;
using Node::deref;
protected:
HTMLFormControlElement(const QualifiedName& tagName, Document&, HTMLFormElement*);
bool disabledByAncestorFieldset() const { return m_disabledByAncestorFieldset; }
void parseAttribute(const QualifiedName&, const AtomicString&) override;
virtual void disabledAttributeChanged();
virtual void disabledStateChanged();
virtual void readOnlyAttributeChanged();
virtual void requiredAttributeChanged();
void didAttachRenderers() override;
InsertionNotificationRequest insertedInto(ContainerNode&) override;
void finishedInsertingSubtree() override;
void removedFrom(ContainerNode&) override;
void didMoveToNewDocument(Document& oldDocument) override;
bool supportsFocus() const override;
bool isKeyboardFocusable(KeyboardEvent&) const override;
bool isMouseFocusable() const override;
void didRecalcStyle(Style::Change) override;
void dispatchBlurEvent(RefPtr<Element>&& newFocusedElement) override;
// This must be called any time the result of willValidate() has changed.
void setNeedsWillValidateCheck();
virtual bool computeWillValidate() const;
bool validationMessageShadowTreeContains(const Node&) const;
void willChangeForm() override;
void didChangeForm() override;
private:
void refFormAssociatedElement() override { ref(); }
void derefFormAssociatedElement() override { deref(); }
bool matchesValidPseudoClass() const override;
bool matchesInvalidPseudoClass() const override;
bool isFormControlElement() const final { return true; }
bool alwaysCreateUserAgentShadowRoot() const override { return true; }
int tabIndex() const final;
bool isValidFormControlElement() const;
bool computeIsDisabledByFieldsetAncestor() const;
HTMLElement& asHTMLElement() final { return *this; }
const HTMLFormControlElement& asHTMLElement() const final { return *this; }
HTMLFormControlElement* asFormNamedItem() final { return this; }
std::unique_ptr<ValidationMessage> m_validationMessage;
unsigned m_disabled : 1;
unsigned m_isReadOnly : 1;
unsigned m_isRequired : 1;
unsigned m_valueMatchesRenderer : 1;
unsigned m_disabledByAncestorFieldset : 1;
enum DataListAncestorState { Unknown, InsideDataList, NotInsideDataList };
mutable unsigned m_dataListAncestorState : 2;
// The initial value of m_willValidate depends on the derived class. We can't
// initialize it with a virtual function in the constructor. m_willValidate
// is not deterministic as long as m_willValidateInitialized is false.
mutable bool m_willValidateInitialized: 1;
mutable bool m_willValidate : 1;
// Cache of validity()->valid().
// But "candidate for constraint validation" doesn't affect m_isValid.
unsigned m_isValid : 1;
unsigned m_wasChangedSinceLastFormControlChangeEvent : 1;
unsigned m_hasAutofocused : 1;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLFormControlElement)
static bool isType(const WebCore::Element& element) { return element.isFormControlElement(); }
static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
static bool isType(const WebCore::FormAssociatedElement& element) { return element.isFormControlElement(); }
SPECIALIZE_TYPE_TRAITS_END()
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