1 files changed, 113 insertions, 0 deletions
diff --git a/dom/base/DocumentFragment.h b/dom/base/DocumentFragment.h
new file mode 100644
index 0000000000..bde299e63a
--- /dev/null
+++ b/dom/base/DocumentFragment.h
@@ -0,0 +1,113 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_DocumentFragment_h__
+#define mozilla_dom_DocumentFragment_h__
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/BorrowedAttrInfo.h"
+#include "mozilla/dom/FragmentOrElement.h"
+#include "nsStringFwd.h"
+
+// XXX Avoid including this here by moving function bodies to the cpp file.
+#include "mozilla/dom/Element.h"
+
+class nsAtom;
+class nsIContent;
+
+namespace mozilla::dom {
+
+class Document;
+class Element;
+
+class DocumentFragment : public FragmentOrElement {
+ private:
+  void Init() {
+    MOZ_ASSERT(mNodeInfo->NodeType() == DOCUMENT_FRAGMENT_NODE &&
+                   mNodeInfo->Equals(nsGkAtoms::documentFragmentNodeName,
+                                     kNameSpaceID_None),
+               "Bad NodeType in aNodeInfo");
+  }
+
+ public:
+  using FragmentOrElement::GetFirstChild;
+  using nsINode::QuerySelector;
+  using nsINode::QuerySelectorAll;
+  // Make sure bindings can see our superclass' protected GetElementById method.
+  using nsINode::GetElementById;
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DocumentFragment, FragmentOrElement)
+
+  explicit DocumentFragment(already_AddRefed<dom::NodeInfo>&& aNodeInfo)
+      : FragmentOrElement(std::move(aNodeInfo)), mHost(nullptr) {
+    Init();
+  }
+
+  explicit DocumentFragment(nsNodeInfoManager* aNodeInfoManager)
+      : FragmentOrElement(aNodeInfoManager->GetNodeInfo(
+            nsGkAtoms::documentFragmentNodeName, nullptr, kNameSpaceID_None,
+            DOCUMENT_FRAGMENT_NODE)),
+        mHost(nullptr) {
+    Init();
+  }
+
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+
+  virtual bool IsNodeOfType(uint32_t aFlags) const override;
+
+  nsresult BindToTree(BindContext&, nsINode& aParent) override {
+    NS_ASSERTION(false, "Trying to bind a fragment to a tree");
+    return NS_ERROR_NOT_IMPLEMENTED;
+  }
+
+  virtual void UnbindFromTree(bool aNullParent) override {
+    NS_ASSERTION(false, "Trying to unbind a fragment from a tree");
+  }
+
+  virtual Element* GetNameSpaceElement() override { return nullptr; }
+
+  Element* GetHost() const { return mHost; }
+
+  void SetHost(Element* aHost) { mHost = aHost; }
+
+  void GetInnerHTML(nsAString& aInnerHTML) { GetMarkup(false, aInnerHTML); }
+  void SetInnerHTML(const nsAString& aInnerHTML, ErrorResult& aError) {
+    SetInnerHTMLInternal(aInnerHTML, aError);
+  }
+
+  static already_AddRefed<DocumentFragment> Constructor(
+      const GlobalObject& aGlobal, ErrorResult& aRv);
+
+#ifdef MOZ_DOM_LIST
+  virtual void List(FILE* out, int32_t aIndent) const override;
+  virtual void DumpContent(FILE* out, int32_t aIndent,
+                           bool aDumpAll) const override;
+#endif
+
+ protected:
+  virtual ~DocumentFragment() = default;
+
+  nsresult Clone(dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
+  RefPtr<Element> mHost;
+};
+
+}  // namespace mozilla::dom
+
+inline mozilla::dom::DocumentFragment* nsINode::AsDocumentFragment() {
+  MOZ_ASSERT(IsDocumentFragment());
+  return static_cast<mozilla::dom::DocumentFragment*>(this);
+}
+
+inline const mozilla::dom::DocumentFragment* nsINode::AsDocumentFragment()
+    const {
+  MOZ_ASSERT(IsDocumentFragment());
+  return static_cast<const mozilla::dom::DocumentFragment*>(this);
+}
+
+#endif  // mozilla_dom_DocumentFragment_h__