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60 lines
2.1 KiB
Plaintext
60 lines
2.1 KiB
Plaintext
/* 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 "nsIRequest.idl"
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interface nsIInputStream;
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interface nsIOutputStream;
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interface nsIRequestObserver;
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interface nsIEventTarget;
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[scriptable, uuid(a5b2decf-4ede-4801-8b38-e5fe5db46bf2)]
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interface nsIAsyncStreamCopier2 : nsIRequest
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{
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/**
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* Initialize the stream copier.
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*
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* If neither the source nor the sink are buffered, buffering will
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* be automatically added to the sink.
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*
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*
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* @param aSource
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* contains the data to be copied.
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* @param aSink
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* specifies the destination for the data.
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* @param aTarget
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* specifies the thread on which the copy will occur. a null value
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* is permitted and will cause the copy to occur on an unspecified
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* background thread.
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* @param aChunkSize
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* specifies how many bytes to read/write at a time. this controls
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* the granularity of the copying. it should match the segment size
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* of the "buffered" streams involved.
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* @param aCloseSource
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* true if aSource should be closed after copying (this is generally
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* the desired behavior).
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* @param aCloseSink
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* true if aSink should be closed after copying (this is generally
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* the desired behavior).
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*/
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void init(in nsIInputStream aSource,
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in nsIOutputStream aSink,
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in nsIEventTarget aTarget,
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in unsigned long aChunkSize,
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in boolean aCloseSource,
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in boolean aCloseSink);
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/**
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* asyncCopy triggers the start of the copy. The observer will be notified
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* when the copy completes.
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*
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* @param aObserver
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* receives notifications.
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* @param aObserverContext
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* passed to observer methods.
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*/
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void asyncCopy(in nsIRequestObserver aObserver,
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in nsISupports aObserverContext);
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};
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