dom/quota/ResolvableNormalOriginOp.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 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 DOM_QUOTA_RESOLVABLENORMALORIGINOP_H_
   8 #define DOM_QUOTA_RESOLVABLENORMALORIGINOP_H_
   9
  10 #include "NormalOriginOperationBase.h"
  11
  12 #include "mozilla/MozPromise.h"
  13
  14 namespace mozilla::dom::quota {
  15
  16 template <typename T>
  17 class ResolvableNormalOriginOp : public NormalOriginOperationBase {
  18  public:
  19   using PromiseType = MozPromise<T, nsresult, false>;
  20
  21   RefPtr<PromiseType> OnResults() {
  22     AssertIsOnOwningThread();
  23
  24     return mPromiseHolder.Ensure(__func__);
  25   }
  26
  27  protected:
  28   ResolvableNormalOriginOp(MovingNotNull<RefPtr<QuotaManager>> aQuotaManager,
  29                            const char* aName)
  30       : NormalOriginOperationBase(std::move(aQuotaManager), aName) {
  31     AssertIsOnOwningThread();
  32   }
  33
  34   virtual ~ResolvableNormalOriginOp() = default;
  35
  36   virtual T GetResolveValue() = 0;
  37
  38  private:
  39   void SendResults() override {
  40 #ifdef DEBUG
  41     NoteActorDestroyed();
  42 #endif
  43
  44     if (NS_SUCCEEDED(mResultCode)) {
  45       mPromiseHolder.ResolveIfExists(GetResolveValue(), __func__);
  46     } else {
  47       mPromiseHolder.RejectIfExists(mResultCode, __func__);
  48     }
  49   }
  50
  51   MozPromiseHolder<PromiseType> mPromiseHolder;
  52 };
  53
  54 }  // namespace mozilla::dom::quota
  55
  56 #endif  // DOM_QUOTA_RESOLVABLENORMALORIGINOP_H_