Blob Blame History Raw
/* -*- 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_domcursor_h__
#define mozilla_dom_domcursor_h__

#include "nsIDOMDOMCursor.h"
#include "DOMRequest.h"
#include "nsCycleCollectionParticipant.h"
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"

namespace mozilla {
namespace dom {

class DOMCursor : public DOMRequest, public nsIDOMDOMCursor {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIDOMDOMCURSOR
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DOMCursor, DOMRequest)

  DOMCursor(nsPIDOMWindowInner* aWindow, nsICursorContinueCallback* aCallback);
  DOMCursor(nsIGlobalObject* aGlobal, nsICursorContinueCallback* aCallback);

  virtual JSObject* WrapObject(JSContext* aCx,
                               JS::Handle<JSObject*> aGivenProto) override;

  bool Done() const { return mFinished; }
  virtual void Continue(ErrorResult& aRv);

  void Reset();
  void FireDone();

 protected:
  ~DOMCursor() {}

 private:
  DOMCursor() = delete;
  // Calling Then() on DOMCursor is a mistake, since the DOMCursor object
  // should not have a .then() method from JS' point of view.
  already_AddRefed<mozilla::dom::Promise> Then(JSContext* aCx,
                                               AnyCallback* aResolveCallback,
                                               AnyCallback* aRejectCallback,
                                               ErrorResult& aRv) = delete;

  nsCOMPtr<nsICursorContinueCallback> mCallback;
  bool mFinished;
};

}  // namespace dom
}  // namespace mozilla

#endif /* mozilla_dom_domcursor_h__ */