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-rw-r--r--dom/html/HTMLOptionElement.h134
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diff --git a/dom/html/HTMLOptionElement.h b/dom/html/HTMLOptionElement.h
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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::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 State().HasState(ElementState::CHECKED); }
+ void SetSelected(bool aValue);
+
+ void SetSelectedChanged(bool aValue) { mSelectedChanged = aValue; }
+
+ nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
+ int32_t aModType) const override;
+
+ void BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
+ const nsAttrValue* aValue, bool aNotify) override;
+ void 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);
+
+ nsresult BindToTree(BindContext&, nsINode& aParent) override;
+ void UnbindFromTree(bool aNullParent = true) override;
+
+ 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(nsGkAtoms::label, aLabel) || aLabel.IsEmpty()) {
+ GetText(aLabel);
+ }
+ }
+
+ void GetLabel(nsAString& aLabel) {
+ if (!GetAttr(nsGkAtoms::label, aLabel)) {
+ GetText(aLabel);
+ }
+ }
+ void SetLabel(const nsAString& aLabel, ErrorResult& aError) {
+ SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
+ }
+
+ bool DefaultSelected() const { return HasAttr(nsGkAtoms::selected); }
+ void SetDefaultSelected(bool aValue, ErrorResult& aRv) {
+ SetHTMLBoolAttr(nsGkAtoms::selected, aValue, aRv);
+ }
+
+ void GetValue(nsAString& aValue) {
+ if (!GetAttr(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();
+
+ JSObject* WrapNode(JSContext*, 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 = false;
+
+ // True only while we're under the SetOptionsSelectedByIndex call when our
+ // "selected" attribute is changing and mSelectedChanged is false.
+ bool mIsInSetDefaultSelected = false;
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_HTMLOptionElement_h__