| /* |
| * 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 HTMLFormControlElement_h |
| #define HTMLFormControlElement_h |
| |
| #include "core/html/FormAssociatedElement.h" |
| #include "core/html/LabelableElement.h" |
| |
| namespace blink { |
| |
| class FormDataList; |
| class HTMLFormElement; |
| class ValidationMessageClient; |
| |
| enum CheckValidityEventBehavior { CheckValidityDispatchNoEvent, CheckValidityDispatchInvalidEvent }; |
| |
| // 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 { |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLFormControlElement); |
| |
| public: |
| virtual ~HTMLFormControlElement(); |
| virtual void trace(Visitor*) override; |
| |
| String formEnctype() const; |
| void setFormEnctype(const AtomicString&); |
| String formMethod() const; |
| void setFormMethod(const AtomicString&); |
| bool formNoValidate() const; |
| |
| void ancestorDisabledStateWasChanged(); |
| |
| void reset(); |
| |
| bool wasChangedSinceLastFormControlChangeEvent() const { return m_wasChangedSinceLastFormControlChangeEvent; } |
| void setChangedSinceLastFormControlChangeEvent(bool); |
| |
| virtual void dispatchFormControlChangeEvent(); |
| void dispatchChangeEvent(); |
| void dispatchFormControlInputEvent(); |
| |
| virtual HTMLFormElement* formOwner() const override final; |
| |
| virtual bool isDisabledFormControl() const override; |
| |
| virtual 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). |
| virtual bool appendFormData(FormDataList&, bool) override { return false; } |
| virtual String resultForDialogSubmit(); |
| |
| virtual bool canBeSuccessfulSubmitButton() const { return false; } |
| bool isSuccessfulSubmitButton() const; |
| virtual bool isActivatedSubmit() const { return false; } |
| virtual void setActivatedSubmit(bool) { } |
| |
| virtual bool willValidate() const override; |
| |
| void updateVisibleValidationMessage(); |
| void hideVisibleValidationMessage(); |
| bool checkValidity(WillBeHeapVector<RefPtrWillBeMember<HTMLFormControlElement>>* unhandledInvalidControls = 0, CheckValidityEventBehavior = CheckValidityDispatchInvalidEvent); |
| bool reportValidity(); |
| // This must be called only after the caller check the element is focusable. |
| void showValidationMessage(); |
| // This must be called when a validation constraint or control value is changed. |
| void setNeedsValidityCheck(); |
| virtual void setCustomValidity(const String&) override final; |
| void findCustomValidationMessageTextDirection(const String& message, TextDirection &messageDir, String& subMessage, TextDirection& subMessageDir); |
| |
| bool isReadOnly() const { return m_isReadOnly; } |
| bool isDisabledOrReadOnly() const { return isDisabledFormControl() || m_isReadOnly; } |
| |
| bool isAutofocusable() const; |
| |
| bool isAutofilled() const { return m_isAutofilled; } |
| void setAutofilled(bool = true); |
| |
| static HTMLFormControlElement* enclosingFormControlElement(Node*); |
| |
| String nameForAutofill() const; |
| |
| virtual void setFocus(bool flag) override; |
| |
| #if !ENABLE(OILPAN) |
| using Node::ref; |
| using Node::deref; |
| #endif |
| |
| protected: |
| HTMLFormControlElement(const QualifiedName& tagName, Document&, HTMLFormElement*); |
| |
| virtual void parseAttribute(const QualifiedName&, const AtomicString&) override; |
| virtual void requiredAttributeChanged(); |
| virtual void disabledAttributeChanged(); |
| virtual void attach(const AttachContext& = AttachContext()) override; |
| virtual InsertionNotificationRequest insertedInto(ContainerNode*) override; |
| virtual void removedFrom(ContainerNode*) override; |
| virtual void willChangeForm() override; |
| virtual void didChangeForm() override; |
| virtual void didMoveToNewDocument(Document& oldDocument) override; |
| |
| virtual bool supportsFocus() const override; |
| virtual bool isKeyboardFocusable() const override; |
| virtual bool shouldShowFocusRingOnMouseFocus() const; |
| virtual bool shouldHaveFocusAppearance() const override final; |
| virtual void dispatchBlurEvent(Element* newFocusedElement) override; |
| virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType) override; |
| virtual void willCallDefaultEventHandler(const Event&) override final; |
| |
| virtual void didRecalcStyle(StyleRecalcChange) override final; |
| |
| // 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: |
| #if !ENABLE(OILPAN) |
| virtual void refFormAssociatedElement() override final { ref(); } |
| virtual void derefFormAssociatedElement() override final { deref(); } |
| #endif |
| |
| virtual bool isFormControlElement() const override final { return true; } |
| virtual bool alwaysCreateUserAgentShadowRoot() const override { return true; } |
| |
| virtual short tabIndex() const override final; |
| |
| virtual bool isDefaultButtonForForm() const override final; |
| virtual bool isValidElement() override; |
| virtual bool matchesValidityPseudoClasses() const override; |
| void updateAncestorDisabledState() const; |
| |
| bool isValidationMessageVisible() const; |
| ValidationMessageClient* validationMessageClient() 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*); |
| |
| bool m_disabled : 1; |
| bool m_isAutofilled : 1; |
| bool m_isReadOnly : 1; |
| bool m_isRequired : 1; |
| bool m_hasValidationMessage : 1; |
| |
| enum AncestorDisabledState { AncestorDisabledStateUnknown, AncestorDisabledStateEnabled, AncestorDisabledStateDisabled }; |
| mutable AncestorDisabledState m_ancestorDisabledState; |
| enum DataListAncestorState { Unknown, InsideDataList, NotInsideDataList }; |
| mutable enum DataListAncestorState m_dataListAncestorState; |
| |
| // 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 valid(). |
| // But "candidate for constraint validation" doesn't affect m_isValid. |
| bool m_isValid : 1; |
| |
| bool m_wasChangedSinceLastFormControlChangeEvent : 1; |
| bool m_wasFocusedByMouse : 1; |
| }; |
| |
| inline bool isHTMLFormControlElement(const Element& element) |
| { |
| return element.isFormControlElement(); |
| } |
| |
| DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLFormControlElement); |
| DEFINE_TYPE_CASTS(HTMLFormControlElement, FormAssociatedElement, control, control->isFormControlElement(), control.isFormControlElement()); |
| |
| } // namespace |
| |
| #endif |