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-rw-r--r--dom/html/HTMLTemplateElement.cpp110
1 files changed, 110 insertions, 0 deletions
diff --git a/dom/html/HTMLTemplateElement.cpp b/dom/html/HTMLTemplateElement.cpp
new file mode 100644
index 0000000000..2a608f1c50
--- /dev/null
+++ b/dom/html/HTMLTemplateElement.cpp
@@ -0,0 +1,110 @@
+/* -*- 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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#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