зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.2 KiB
C++
47 строки
1.2 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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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#include "TagUtils.h"
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#include "mozilla/dom/Promise.h"
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namespace mozilla {
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namespace dom {
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namespace nfc {
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bool
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TagUtils::IsTechSupported(const MozNFCTag& aTag,
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const NFCTechType& aTechnology)
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{
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ErrorResult rv;
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Nullable<nsTArray<NFCTechType>> techList;
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aTag.GetTechList(techList, rv);
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ENSURE_SUCCESS(rv, false);
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return !techList.IsNull() && techList.Value().Contains(aTechnology);
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}
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already_AddRefed<Promise>
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TagUtils::Transceive(MozNFCTag* aTag,
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const NFCTechType& aTechnology,
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const Uint8Array& aCommand,
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ErrorResult& aRv)
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{
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ErrorResult rv;
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aCommand.ComputeLengthAndData();
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RefPtr<Promise> promise = aTag->Transceive(aTechnology, aCommand, rv);
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if (rv.Failed()) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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return promise.forget();
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}
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} // namespace nfc
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} // namespace dom
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} // namespace mozilla
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