зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.4 KiB
C++
75 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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/HTMLDetailsElement.h"
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#include "mozilla/dom/HTMLDetailsElementBinding.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Details)
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namespace mozilla {
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namespace dom {
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HTMLDetailsElement::~HTMLDetailsElement() = default;
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NS_IMPL_ELEMENT_CLONE(HTMLDetailsElement)
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nsIContent* HTMLDetailsElement::GetFirstSummary() const {
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// XXX: Bug 1245032: Might want to cache the first summary element.
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for (nsIContent* child = nsINode::GetFirstChild(); child;
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child = child->GetNextSibling()) {
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if (child->IsHTMLElement(nsGkAtoms::summary)) {
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return child;
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}
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}
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return nullptr;
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}
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nsChangeHint HTMLDetailsElement::GetAttributeChangeHint(
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const nsAtom* aAttribute, int32_t aModType) const {
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nsChangeHint hint =
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nsGenericHTMLElement::GetAttributeChangeHint(aAttribute, aModType);
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if (aAttribute == nsGkAtoms::open) {
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hint |= nsChangeHint_ReconstructFrame;
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}
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return hint;
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}
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nsresult HTMLDetailsElement::BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) {
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if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::open) {
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bool setOpen = aValue != nullptr;
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if (Open() != setOpen) {
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if (mToggleEventDispatcher) {
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mToggleEventDispatcher->Cancel();
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}
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// According to the html spec, a 'toggle' event is a simple event which
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// does not bubble.
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mToggleEventDispatcher =
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new AsyncEventDispatcher(this, u"toggle"_ns, CanBubble::eNo);
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mToggleEventDispatcher->PostDOMEvent();
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}
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}
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return nsGenericHTMLElement::BeforeSetAttr(aNameSpaceID, aName, aValue,
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aNotify);
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}
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void HTMLDetailsElement::AsyncEventRunning(AsyncEventDispatcher* aEvent) {
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if (mToggleEventDispatcher == aEvent) {
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mToggleEventDispatcher = nullptr;
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}
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}
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JSObject* HTMLDetailsElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLDetailsElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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