44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_PromiseNativeWrapper_h__
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#define mozilla_PromiseNativeWrapper_h__
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#include "mozilla/MozPromise.h"
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#include "mozilla/dom/Promise.h"
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#include "nsISupports.h"
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#include "mozilla/dom/PromiseNativeHandler.h"
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namespace mozilla {
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// Helper for wrapping JS promises in MozPromise so they can be handled from C++
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// side.
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class PromiseNativeWrapper : public dom::PromiseNativeHandler {
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public:
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NS_DECL_ISUPPORTS
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explicit PromiseNativeWrapper(
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MozPromiseHolder<GenericNonExclusivePromise>&& aHolder)
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: mHolder(std::move(aHolder)) {}
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void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
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ErrorResult& aRv) override {
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mHolder.Resolve(true, __func__);
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}
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void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
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ErrorResult& aRv) override {
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mHolder.Reject(NS_ERROR_FAILURE, __func__);
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}
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static RefPtr<GenericNonExclusivePromise> ConvertJSPromiseToMozPromise(
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const RefPtr<dom::Promise>& jsPromise);
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private:
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~PromiseNativeWrapper() = default;
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MozPromiseHolder<GenericNonExclusivePromise> mHolder;
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};
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} // namespace mozilla
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#endif
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