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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
#include "mozilla/dom/HTMLTemplateElement.h"
#include "mozilla/dom/HTMLTemplateElementBinding.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/NameSpaceConstants.h"
#include "mozilla/dom/ShadowRootBinding.h"
#include "nsGenericHTMLElement.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsAtom.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Template)
namespace mozilla::dom {
static constexpr nsAttrValue::EnumTable kShadowRootModeTable[] = {
{"open", ShadowRootMode::Open},
{"closed", ShadowRootMode::Closed},
{nullptr, {}}};
const nsAttrValue::EnumTable* kShadowRootModeDefault = &kShadowRootModeTable[2];
HTMLTemplateElement::HTMLTemplateElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {
SetHasWeirdParserInsertionMode();
Document* contentsOwner = OwnerDoc()->GetTemplateContentsOwner();
if (!contentsOwner) {
MOZ_CRASH("There should always be a template contents owner.");
}
mContent = contentsOwner->CreateDocumentFragment();
mContent->SetHost(this);
}
HTMLTemplateElement::~HTMLTemplateElement() {
if (mContent && mContent->GetHost() == this) {
mContent->SetHost(nullptr);
}
}
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(HTMLTemplateElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLTemplateElement)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLTemplateElement,
nsGenericHTMLElement)
if (tmp->mContent) {
if (tmp->mContent->GetHost() == tmp) {
tmp->mContent->SetHost(nullptr);
}
tmp->mContent = nullptr;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLTemplateElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_ELEMENT_CLONE(HTMLTemplateElement)
JSObject* HTMLTemplateElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLTemplateElement_Binding::Wrap(aCx, this, aGivenProto);
}
void HTMLTemplateElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify) {
if (aNamespaceID == kNameSpaceID_None && aName == nsGkAtoms::shadowrootmode &&
aValue && aValue->Type() == nsAttrValue::ValueType::eEnum &&
!mShadowRootMode.isSome()) {
mShadowRootMode.emplace(
static_cast<ShadowRootMode>(aValue->GetEnumValue()));
}
nsGenericHTMLElement::AfterSetAttr(aNamespaceID, aName, aValue, aOldValue,
aMaybeScriptedPrincipal, aNotify);
}
bool HTMLTemplateElement::ParseAttribute(int32_t aNamespaceID,
nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aNamespaceID == kNameSpaceID_None &&
aAttribute == nsGkAtoms::shadowrootmode) {
return aResult.ParseEnumValue(aValue, kShadowRootModeTable, false, nullptr);
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
void HTMLTemplateElement::SetHTMLUnsafe(const nsAString& aHTML) {
RefPtr<DocumentFragment> content = mContent;
nsContentUtils::SetHTMLUnsafe(content, this, aHTML);
}
} // namespace mozilla::dom