toolkit/components/antitracking/bouncetrackingprotection/PromiseNativeWrapper.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "PromiseNativeWrapper.h"
   6
   7 namespace mozilla {
   8
   9 NS_IMPL_ISUPPORTS0(PromiseNativeWrapper);
  10
  11 RefPtr<GenericNonExclusivePromise>
  12 PromiseNativeWrapper::ConvertJSPromiseToMozPromise(
  13     const RefPtr<dom::Promise>& jsPromise) {
  14   MozPromiseHolder<GenericNonExclusivePromise> holder;
  15   RefPtr<GenericNonExclusivePromise> mozPromise = holder.Ensure(__func__);
  16
  17   // The handler will resolve mozPromise once jsPromise resolves.
  18   RefPtr<PromiseNativeWrapper> handler =
  19       new PromiseNativeWrapper(std::move(holder));
  20   jsPromise->AppendNativeHandler(handler);
  21
  22   return mozPromise.forget();
  23 }
  24
  25 }  // namespace mozilla