Emilio Cobos Álvarez
b9a0d71900
Make nsIHTMLCollection the first base for nsContentList and co, since it's needed for WebIDL bindings to work properly and shouldn't change behavior in practice. Move the handling of selected option and validity to HTMLSelectElement's mutation observer. Differential Revision: https://phabricator.services.mozilla.com/D295818
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLOptGroupElement.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/dom/HTMLOptGroupElementBinding.h"
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#include "mozilla/dom/HTMLSelectElement.h"
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#include "nsGkAtoms.h"
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#include "nsIFrame.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(OptGroup)
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namespace mozilla::dom {
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/**
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* The implementation of <optgroup>
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*/
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HTMLOptGroupElement::HTMLOptGroupElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: nsGenericHTMLElement(std::move(aNodeInfo)) {
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// We start off enabled
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AddStatesSilently(ElementState::ENABLED);
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}
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HTMLOptGroupElement::~HTMLOptGroupElement() = default;
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NS_IMPL_ELEMENT_CLONE(HTMLOptGroupElement)
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void HTMLOptGroupElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
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aVisitor.mCanHandle = false;
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nsGenericHTMLElement::GetEventTargetParent(aVisitor);
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}
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HTMLSelectElement* HTMLOptGroupElement::GetSelect() const {
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return HTMLSelectElement::FromNodeOrNull(GetParentNode());
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}
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void HTMLOptGroupElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) {
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if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::disabled) {
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ElementState disabledStates;
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if (aValue) {
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disabledStates |= ElementState::DISABLED;
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} else {
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disabledStates |= ElementState::ENABLED;
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}
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ElementState oldDisabledStates = State() & ElementState::DISABLED_STATES;
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ElementState changedStates = disabledStates ^ oldDisabledStates;
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if (!changedStates.IsEmpty()) {
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ToggleStates(changedStates, aNotify);
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// All our children <option> have their :disabled state depending on our
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// disabled attribute. We should make sure their state is updated.
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for (nsIContent* child = nsINode::GetFirstChild(); child;
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child = child->GetNextSibling()) {
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if (auto optElement = HTMLOptionElement::FromNode(child)) {
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optElement->OptGroupDisabledChanged(true);
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}
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}
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}
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}
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return nsGenericHTMLElement::AfterSetAttr(
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aNameSpaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
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}
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JSObject* HTMLOptGroupElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLOptGroupElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace mozilla::dom
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