зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.7 KiB
C++
148 строки
4.7 KiB
C++
/* -*- 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__
|