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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_HTMLOptionElement_h__
#define mozilla_dom_HTMLOptionElement_h__
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "mozilla/dom/HTMLFormElement.h"
namespace mozilla {
namespace dom {
class HTMLSelectElement;
class HTMLOptionElement final : public nsGenericHTMLElement {
public:
explicit HTMLOptionElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
static already_AddRefed<HTMLOptionElement> Option(
const GlobalObject& aGlobal, const nsAString& aText,
const Optional<nsAString>& aValue, bool aDefaultSelected, bool aSelected,
ErrorResult& aError);
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLOptionElement, option)
// nsISupports
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLOptionElement, nsGenericHTMLElement)
using mozilla::dom::Element::GetText;
bool Selected() const { return mIsSelected; }
void SetSelected(bool aValue);
void SetSelectedChanged(bool aValue) { mSelectedChanged = aValue; }
virtual nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
int32_t aModType) const override;
virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
void SetSelectedInternal(bool aValue, bool aNotify);
/**
* This callback is called by an optgroup on all its option elements whenever
* its disabled state is changed so that option elements can know their
* disabled state might have changed.
*/
void OptGroupDisabledChanged(bool aNotify);
/**
* Check our disabled content attribute and optgroup's (if it exists) disabled
* state to decide whether our disabled flag should be toggled.
*/
void UpdateDisabledState(bool aNotify);
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent = true) override;
// nsIContent
virtual EventStates IntrinsicState() const override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
nsresult CopyInnerTo(mozilla::dom::Element* aDest);
bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
void SetDisabled(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
}
HTMLFormElement* GetForm();
void GetRenderedLabel(nsAString& aLabel) {
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::label, aLabel) ||
aLabel.IsEmpty()) {
GetText(aLabel);
}
}
void GetLabel(DOMString& aLabel) {
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::label, aLabel)) {
GetText(aLabel);
}
}
void SetLabel(const nsAString& aLabel, ErrorResult& aError) {
SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
}
bool DefaultSelected() const {
return HasAttr(kNameSpaceID_None, nsGkAtoms::selected);
}
void SetDefaultSelected(bool aValue, ErrorResult& aRv) {
SetHTMLBoolAttr(nsGkAtoms::selected, aValue, aRv);
}
void GetValue(nsAString& aValue) {
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::value, aValue)) {
GetText(aValue);
}
}
void SetValue(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
}
void GetText(nsAString& aText);
void SetText(const nsAString& aText, ErrorResult& aRv);
int32_t Index();
protected:
virtual ~HTMLOptionElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
/**
* Get the select content element that contains this option, this
* intentionally does not return nsresult, all we care about is if
* there's a select associated with this option or not.
*/
HTMLSelectElement* GetSelect();
bool mSelectedChanged;
bool mIsSelected;
// True only while we're under the SetOptionsSelectedByIndex call when our
// "selected" attribute is changing and mSelectedChanged is false.
bool mIsInSetDefaultSelected;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLOptionElement_h__