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 ResolveValueT, bool IsExclusive>
  17 class ResolvableNormalOriginOp : public NormalOriginOperationBase {
  18  public:
  19   NS_INLINE_DECL_REFCOUNTING(ResolvableNormalOriginOp, override)
  20
  21   using PromiseType = MozPromise<ResolveValueT, nsresult, IsExclusive>;
  22
  23   RefPtr<PromiseType> OnResults() {
  24     AssertIsOnOwningThread();
  25
  26     return mPromiseHolder.Ensure(__func__);
  27   }
  28
  29  protected:
  30   ResolvableNormalOriginOp(MovingNotNull<RefPtr<QuotaManager>> aQuotaManager,
  31                            const char* aName)
  32       : NormalOriginOperationBase(std::move(aQuotaManager), aName) {
  33     AssertIsOnOwningThread();
  34   }
  35
  36   virtual ~ResolvableNormalOriginOp() = default;
  37
  38   virtual ResolveValueT GetResolveValue() = 0;
  39
  40  private:
  41   void SendResults() override {
  42     if (Canceled()) {
  43       mResultCode = NS_ERROR_FAILURE;
  44     }
  45
  46     if (NS_SUCCEEDED(mResultCode)) {
  47       mPromiseHolder.ResolveIfExists(GetResolveValue(), __func__);
  48     } else {
  49       mPromiseHolder.RejectIfExists(mResultCode, __func__);
  50     }
  51   }
  52
  53   MozPromiseHolder<PromiseType> mPromiseHolder;
  54 };
  55
  56 }  // namespace mozilla::dom::quota
  57
  58 #endif  // DOM_QUOTA_RESOLVABLENORMALORIGINOP_H_