66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/* -*- 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 "fs/FileSystemAsyncCopy.h"
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#include "fs/FileSystemConstants.h"
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#include "mozilla/MozPromise.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/quota/QuotaCommon.h"
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#include "mozilla/dom/quota/ResultExtensions.h"
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namespace mozilla::dom::fs {
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nsresult AsyncCopy(nsIInputStream* aSource, nsIOutputStream* aSink,
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nsISerialEventTarget* aIOTarget, const nsAsyncCopyMode aMode,
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const bool aCloseSource, const bool aCloseSink,
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std::function<void(uint32_t)>&& aProgressCallback,
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MoveOnlyFunction<void(nsresult)>&& aCompleteCallback) {
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struct CallbackClosure {
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CallbackClosure(std::function<void(uint32_t)>&& aProgressCallback,
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MoveOnlyFunction<void(nsresult)>&& aCompleteCallback) {
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mProgressCallbackWrapper = MakeUnique<std::function<void(uint32_t)>>(
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[progressCallback = std::move(aProgressCallback)](uint32_t count) {
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progressCallback(count);
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});
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mCompleteCallbackWrapper = MakeUnique<MoveOnlyFunction<void(nsresult)>>(
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[completeCallback =
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std::move(aCompleteCallback)](nsresult rv) mutable {
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auto callback = std::move(completeCallback);
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callback(rv);
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});
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}
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UniquePtr<std::function<void(uint32_t)>> mProgressCallbackWrapper;
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UniquePtr<MoveOnlyFunction<void(nsresult)>> mCompleteCallbackWrapper;
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};
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auto* callbackClosure = new CallbackClosure(std::move(aProgressCallback),
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std::move(aCompleteCallback));
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QM_TRY(
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MOZ_TO_RESULT(NS_AsyncCopy(
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aSource, aSink, aIOTarget, aMode, kStreamCopyBlockSize,
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[](void* aClosure, nsresult aRv) {
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auto* callbackClosure = static_cast<CallbackClosure*>(aClosure);
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(*callbackClosure->mCompleteCallbackWrapper)(aRv);
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delete callbackClosure;
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},
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callbackClosure, aCloseSource, aCloseSink, /* aCopierCtx */ nullptr,
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[](void* aClosure, uint32_t aCount) {
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auto* callbackClosure = static_cast<CallbackClosure*>(aClosure);
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(*callbackClosure->mProgressCallbackWrapper)(aCount);
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})),
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[callbackClosure](nsresult rv) {
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delete callbackClosure;
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return rv;
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});
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return NS_OK;
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}
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} // namespace mozilla::dom::fs
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