nsNodeSupportsWeakRefTearoff.h

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/* 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 nsNodeSupportsWeakRefTearoff_h_

#define nsNodeSupportsWeakRefTearoff_h_

#include "nsCOMPtr.h"

#include "nsCycleCollectionParticipant.h"

#include "nsIWeakReference.h"

class nsINode;

/**

 * Tearoff to use for nodes to implement nsISupportsWeakReference

*/

class nsNodeSupportsWeakRefTearoff final : public nsISupportsWeakReference {

 public:

  explicit nsNodeSupportsWeakRefTearoff(nsINode* aNode) : mNode(aNode) {}

  // nsISupports

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS_FINAL

  // nsISupportsWeakReference

  NS_DECL_NSISUPPORTSWEAKREFERENCE

  NS_DECL_CYCLE_COLLECTION_CLASS(nsNodeSupportsWeakRefTearoff)

 private:

  ~nsNodeSupportsWeakRefTearoff() = default;

  nsCOMPtr<nsINode> mNode;

};

#endif  // nsNodeSupportsWeakRefTearoff_h_