dom/base/DOMCursor.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_domcursor_h__
   8 #define mozilla_dom_domcursor_h__
   9
  10 #include "nsIDOMDOMCursor.h"
  11 #include "DOMRequest.h"
  12 #include "nsCycleCollectionParticipant.h"
  13 #include "nsCOMPtr.h"
  14 #include "mozilla/Attributes.h"
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class DOMCursor : public DOMRequest
  20                 , public nsIDOMDOMCursor
  21 {
  22 public:
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_NSIDOMDOMCURSOR
  25   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DOMCursor,
  26                                            DOMRequest)
  27
  28   DOMCursor(nsPIDOMWindow* aWindow, nsICursorContinueCallback *aCallback);
  29
  30   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  31
  32   bool Done() const
  33   {
  34     return mFinished;
  35   }
  36   virtual void Continue(ErrorResult& aRv);
  37
  38   void Reset();
  39   void FireDone();
  40
  41 protected:
  42   ~DOMCursor() {}
  43
  44 private:
  45   DOMCursor() = delete;
  46   // Calling Then() on DOMCursor is a mistake, since the DOMCursor object
  47   // should not have a .then() method from JS' point of view.
  48   already_AddRefed<mozilla::dom::Promise>
  49   Then(JSContext* aCx, AnyCallback* aResolveCallback,
  50        AnyCallback* aRejectCallback, ErrorResult& aRv) = delete;
  51
  52   nsCOMPtr<nsICursorContinueCallback> mCallback;
  53   bool mFinished;
  54 };
  55
  56 } // namespace dom
  57 } // namespace mozilla
  58
  59 #endif /* mozilla_dom_domcursor_h__ */