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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#include "mozilla/dom/HTMLDetailsElement.h"
#include "mozilla/dom/HTMLDetailsElementBinding.h"
#include "mozilla/dom/HTMLUnknownElement.h"
#include "mozilla/Preferences.h"
// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Details) to add pref check.
nsGenericHTMLElement*
NS_NewHTMLDetailsElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser)
{
if (!mozilla::dom::HTMLDetailsElement::IsDetailsEnabled()) {
return new mozilla::dom::HTMLUnknownElement(aNodeInfo);
}
return new mozilla::dom::HTMLDetailsElement(aNodeInfo);
}
namespace mozilla {
namespace dom {
/* static */ bool
HTMLDetailsElement::IsDetailsEnabled()
{
static bool isDetailsEnabled = false;
static bool added = false;
if (!added) {
Preferences::AddBoolVarCache(&isDetailsEnabled,
"dom.details_element.enabled");
added = true;
}
return isDetailsEnabled;
}
HTMLDetailsElement::~HTMLDetailsElement()
{
}
NS_IMPL_ELEMENT_CLONE(HTMLDetailsElement)
nsIContent*
HTMLDetailsElement::GetFirstSummary() const
{
// XXX: Bug 1245032: Might want to cache the first summary element.
for (nsIContent* child = nsINode::GetFirstChild();
child;
child = child->GetNextSibling()) {
if (child->IsHTMLElement(nsGkAtoms::summary)) {
return child;
}
}
return nullptr;
}
nsChangeHint
HTMLDetailsElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
int32_t aModType) const
{
nsChangeHint hint =
nsGenericHTMLElement::GetAttributeChangeHint(aAttribute, aModType);
if (aAttribute == nsGkAtoms::open) {
hint |= nsChangeHint_ReconstructFrame;
}
return hint;
}
nsresult
HTMLDetailsElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsAttrValueOrString* aValue, bool aNotify)
{
if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::open) {
bool setOpen = aValue != nullptr;
if (Open() != setOpen) {
if (mToggleEventDispatcher) {
mToggleEventDispatcher->Cancel();
}
// According to the html spec, a 'toggle' event is a simple event which
// does not bubble.
mToggleEventDispatcher =
new AsyncEventDispatcher(this, NS_LITERAL_STRING("toggle"), false);
mToggleEventDispatcher->PostDOMEvent();
}
}
return nsGenericHTMLElement::BeforeSetAttr(aNameSpaceID, aName, aValue,
aNotify);
}
void
HTMLDetailsElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
{
if (mToggleEventDispatcher == aEvent) {
mToggleEventDispatcher = nullptr;
}
}
JSObject*
HTMLDetailsElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLDetailsElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
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