forked from mirrors/gecko-dev
83 lines
2.6 KiB
C++
83 lines
2.6 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 nsAsyncStreamCopier_h__
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#define nsAsyncStreamCopier_h__
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#include "nsIAsyncStreamCopier.h"
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#include "nsIAsyncStreamCopier2.h"
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#include "mozilla/Mutex.h"
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#include "nsStreamUtils.h"
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#include "nsCOMPtr.h"
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class nsIRequestObserver;
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//-----------------------------------------------------------------------------
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class nsAsyncStreamCopier final : public nsIAsyncStreamCopier,
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nsIAsyncStreamCopier2
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIREQUEST
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NS_DECL_NSIASYNCSTREAMCOPIER
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// nsIAsyncStreamCopier2
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// We declare it by hand instead of NS_DECL_NSIASYNCSTREAMCOPIER2
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// as nsIAsyncStreamCopier2 duplicates methods of nsIAsyncStreamCopier
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NS_IMETHOD Init(nsIInputStream *aSource,
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nsIOutputStream *aSink,
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nsIEventTarget *aTarget,
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uint32_t aChunkSize,
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bool aCloseSource,
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bool aCloseSink) override;
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nsAsyncStreamCopier();
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//-------------------------------------------------------------------------
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// these methods may be called on any thread
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bool IsComplete(nsresult *status = nullptr);
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void Complete(nsresult status);
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private:
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virtual ~nsAsyncStreamCopier();
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nsresult InitInternal(nsIInputStream *source,
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nsIOutputStream *sink,
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nsIEventTarget *target,
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uint32_t chunkSize,
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bool closeSource,
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bool closeSink);
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static void OnAsyncCopyComplete(void *, nsresult);
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void AsyncCopyInternal();
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nsresult ApplyBufferingPolicy();
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nsIRequest* AsRequest();
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nsCOMPtr<nsIInputStream> mSource;
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nsCOMPtr<nsIOutputStream> mSink;
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nsCOMPtr<nsIRequestObserver> mObserver;
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nsCOMPtr<nsIEventTarget> mTarget;
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nsCOMPtr<nsISupports> mCopierCtx;
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mozilla::Mutex mLock;
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nsAsyncCopyMode mMode;
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uint32_t mChunkSize;
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nsresult mStatus;
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bool mIsPending;
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bool mCloseSource;
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bool mCloseSink;
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bool mShouldSniffBuffering;
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friend class ProceedWithAsyncCopy;
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friend class AsyncApplyBufferingPolicyEvent;
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};
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#endif // !nsAsyncStreamCopier_h__
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