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