dom/html/PlayPromise.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 sts=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 __PlayPromise_h__
   8 #define __PlayPromise_h__
   9
  10 #include "mozilla/dom/Promise.h"
  11 #include "mozilla/Telemetry.h"
  12
  13 namespace mozilla::dom {
  14
  15 // Decorates a DOM Promise to report telemetry as to whether it was resolved
  16 // or rejected and why.
  17 class PlayPromise : public Promise {
  18  public:
  19   static already_AddRefed<PlayPromise> Create(nsIGlobalObject* aGlobal,
  20                                               ErrorResult& aRv);
  21
  22   using PlayPromiseArr = nsTArray<RefPtr<PlayPromise>>;
  23   static void ResolvePromisesWithUndefined(const PlayPromiseArr& aPromises);
  24   static void RejectPromises(const PlayPromiseArr& aPromises, nsresult aError);
  25
  26   ~PlayPromise();
  27   void MaybeResolveWithUndefined();
  28   void MaybeReject(nsresult aReason);
  29
  30  private:
  31   explicit PlayPromise(nsIGlobalObject* aGlobal);
  32   bool mFulfilled = false;
  33 };
  34
  35 }  // namespace mozilla::dom
  36
  37 #endif  // __PlayPromise_h__