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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, 2005, 2006, 2007, 2008, 2009, 2010 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.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_FORM_CONTROL_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_FORM_CONTROL_ELEMENT_H_
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/web/web_autofill_state.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/html/forms/form_associated.h"
#include "third_party/blink/renderer/core/html/forms/labelable_element.h"
#include "third_party/blink/renderer/core/html/forms/listed_element.h"
namespace blink {
class HTMLFormElement;
class ValidationMessageClient;
enum CheckValidityEventBehavior {
kCheckValidityDispatchNoEvent,
kCheckValidityDispatchInvalidEvent
};
// HTMLFormControlElement is the default implementation of
// ListedElement, and listed element implementations should use
// HTMLFormControlElement unless there is a special reason.
class CORE_EXPORT HTMLFormControlElement : public LabelableElement,
public ListedElement,
public FormAssociated {
USING_GARBAGE_COLLECTED_MIXIN(HTMLFormControlElement);
public:
~HTMLFormControlElement() override;
void Trace(blink::Visitor*) override;
String formAction() const;
void setFormAction(const AtomicString&);
String formEnctype() const;
void setFormEnctype(const AtomicString&);
String formMethod() const;
void setFormMethod(const AtomicString&);
bool FormNoValidate() const;
void Reset();
void DispatchChangeEvent();
HTMLFormElement* formOwner() const final;
bool IsDisabledFormControl() const override;
bool MatchesEnabledPseudoClass() 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; }
virtual bool IsSubmittableElement() { return true; }
virtual String ResultForDialogSubmit();
// Return true if this control type can be a submit button. This doesn't
// check |disabled|, and this doesn't check if this is the first submit
// button.
virtual bool CanBeSuccessfulSubmitButton() const { return false; }
// Return true if this control can submit a form.
// i.e. canBeSuccessfulSubmitButton() && !isDisabledFormControl().
bool IsSuccessfulSubmitButton() const;
virtual bool IsActivatedSubmit() const { return false; }
virtual void SetActivatedSubmit(bool) {}
bool willValidate() const override;
void UpdateVisibleValidationMessage();
void HideVisibleValidationMessage();
bool checkValidity(
HeapVector<Member<HTMLFormControlElement>>* unhandled_invalid_controls =
nullptr,
CheckValidityEventBehavior = kCheckValidityDispatchInvalidEvent);
bool reportValidity();
// This must be called only after the caller check the element is focusable.
void ShowValidationMessage();
bool IsValidationMessageVisible() const;
// This must be called when a validation constraint or control value is
// changed.
void SetNeedsValidityCheck();
void setCustomValidity(const String&) final;
void FindCustomValidationMessageTextDirection(const String& message,
TextDirection& message_dir,
String& sub_message,
TextDirection& sub_message_dir);
bool IsReadOnly() const;
bool IsDisabledOrReadOnly() const;
bool IsAutofocusable() const;
bool MayTriggerVirtualKeyboard() const override;
WebAutofillState GetAutofillState() const { return autofill_state_; }
bool IsAutofilled() const {
return autofill_state_ != WebAutofillState::kNotFilled;
}
void SetAutofillState(WebAutofillState = WebAutofillState::kAutofilled);
// The autofill section to which this element belongs (e.g. billing address,
// shipping address, .. .)
WebString AutofillSection() const { return autofill_section_; }
void SetAutofillSection(const WebString&);
const AtomicString& autocapitalize() const final;
static const HTMLFormControlElement* EnclosingFormControlElement(const Node*);
String NameForAutofill() const;
void CloneNonAttributePropertiesFrom(const Element&,
CloneChildrenFlag) override;
FormAssociated* ToFormAssociatedOrNull() override { return this; };
void AssociateWith(HTMLFormElement*) override;
bool BlocksFormSubmission() const { return blocks_form_submission_; }
void SetBlocksFormSubmission(bool value) { blocks_form_submission_ = value; }
unsigned UniqueRendererFormControlId() const {
return unique_renderer_form_control_id_;
}
protected:
HTMLFormControlElement(const QualifiedName& tag_name, Document&);
void AttributeChanged(const AttributeModificationParams&) override;
void ParseAttribute(const AttributeModificationParams&) override;
virtual void RequiredAttributeChanged();
void DisabledAttributeChanged() override;
void AttachLayoutTree(AttachContext&) override;
InsertionNotificationRequest InsertedInto(ContainerNode&) override;
void RemovedFrom(ContainerNode&) override;
void WillChangeForm() override;
void DidChangeForm() override;
void DidMoveToNewDocument(Document& old_document) override;
bool SupportsFocus() const override;
bool IsKeyboardFocusable() const override;
bool ShouldHaveFocusAppearance() const final;
void DispatchBlurEvent(Element* new_focused_element,
WebFocusType,
InputDeviceCapabilities* source_capabilities) override;
void DidRecalcStyle(StyleRecalcChange) override;
// This must be called any time the result of willValidate() has changed.
void SetNeedsWillValidateCheck();
virtual bool RecalcWillValidate() const;
virtual void ResetImpl() {}
virtual bool SupportsAutofocus() const;
private:
bool IsFormControlElement() const final { return true; }
bool AlwaysCreateUserAgentShadowRoot() const override { return true; }
int tabIndex() const override;
bool IsValidElement() override;
bool MatchesValidityPseudoClasses() const override;
ValidationMessageClient* GetValidationMessageClient() const;
// Requests validity recalc for the form owner, if one exists.
void FormOwnerSetNeedsValidityCheck();
// Requests validity recalc for all ancestor fieldsets, if exist.
void FieldSetAncestorsSetNeedsValidityCheck(Node*);
unsigned unique_renderer_form_control_id_;
WebString autofill_section_;
enum WebAutofillState autofill_state_;
enum DataListAncestorState { kUnknown, kInsideDataList, kNotInsideDataList };
mutable enum DataListAncestorState data_list_ancestor_state_;
bool has_validation_message_ : 1;
// The initial value of will_validate_ depends on the derived class. We can't
// initialize it with a virtual function in the constructor. will_validate_
// is not deterministic as long as will_validate_initialized_ is false.
mutable bool will_validate_initialized_ : 1;
mutable bool will_validate_ : 1;
// Cache of valid().
bool is_valid_ : 1;
bool validity_is_dirty_ : 1;
bool blocks_form_submission_ : 1;
};
inline bool IsHTMLFormControlElement(const Element& element) {
return element.IsFormControlElement();
}
DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLFormControlElement);
DEFINE_TYPE_CASTS(HTMLFormControlElement,
ListedElement,
control,
control->IsFormControlElement(),
control.IsFormControlElement());
} // namespace blink
#endif
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