UnbindContext.h - mozsearch

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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

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* State that is passed down to UnbindToTree. */

#ifndef mozilla_dom_UnbindContext_h__

#define mozilla_dom_UnbindContext_h__

#include "mozilla/Attributes.h"

#include "nsINode.h"

namespace mozilla::dom {

struct MOZ_STACK_CLASS UnbindContext final {

  // The root of the subtree being unbound.

  nsINode& Root() const { return mRoot; }

  // Whether we're the root of the subtree being unbound.

  bool IsUnbindRoot(const nsINode* aNode) const { return &mRoot == aNode; }

  // The parent node of the subtree we're unbinding from.

  nsINode* GetOriginalSubtreeParent() const { return mOriginalParent; }

  explicit UnbindContext(nsINode& aRoot)

      : mRoot(aRoot), mOriginalParent(aRoot.GetParentNode()) {}

 private:

  nsINode& mRoot;

  nsINode* const mOriginalParent;

};

}  // namespace mozilla::dom

#endif