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Mercurial (d1ed7de67f5a)

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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 mozilla_dom_DataStoreCursor_h
#define mozilla_dom_DataStoreCursor_h

#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"

class nsPIDOMWindow;

namespace mozilla {

class ErrorResult;

namespace dom {

class Promise;
class DataStore;
class GlobalObject;
class DataStoreCursorImpl;

class DataStoreCursor MOZ_FINAL : public nsISupports
{
public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_CLASS(DataStoreCursor)

  // WebIDL (internal functions)

  static already_AddRefed<DataStoreCursor> Constructor(GlobalObject& aGlobal,
                                                       ErrorResult& aRv);

  JSObject* WrapObject(JSContext *aCx);

  // WebIDL (public APIs)

  already_AddRefed<DataStore> GetStore(ErrorResult& aRv);

  already_AddRefed<Promise> Next(ErrorResult& aRv);

  void Close(ErrorResult& aRv);

  // This internal function (ChromeOnly) is aimed to make the DataStoreCursor
  // keep a reference to the DataStoreCursorImpl which really implements the
  // API's logic in JS.
  void SetDataStoreCursorImpl(DataStoreCursorImpl& aCursor);

private:
  ~DataStoreCursor() {}
  nsRefPtr<DataStoreCursorImpl> mCursor;
};

} //namespace dom
} //namespace mozilla

#endif