зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.8 KiB
Plaintext
69 строки
2.8 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
interface nsITransport;
|
|
interface nsIInputStream;
|
|
interface nsIOutputStream;
|
|
|
|
/**
|
|
* This service read/writes a stream on a background thread.
|
|
*
|
|
* Use this service to transform any blocking stream (e.g., file stream)
|
|
* into a fully asynchronous stream that can be read/written without
|
|
* blocking the main thread.
|
|
*/
|
|
[scriptable, uuid(5e0adf7d-9785-45c3-a193-04f25a75da8f)]
|
|
interface nsIStreamTransportService : nsISupports
|
|
{
|
|
/**
|
|
* CreateInputTransport
|
|
*
|
|
* @param aStream
|
|
* The input stream that will be read on a background thread.
|
|
* This stream must implement "blocking" stream semantics.
|
|
* @param aStartOffset
|
|
* The input stream will be read starting from this offset. Pass
|
|
* -1 to read from the current stream offset. NOTE: this parameter
|
|
* is ignored if the stream does not support nsISeekableStream.
|
|
* @param aReadLimit
|
|
* This parameter limits the number of bytes that will be read from
|
|
* the input stream. Pass -1 to read everything.
|
|
* @param aCloseWhenDone
|
|
* Specify this flag to have the input stream closed once its
|
|
* contents have been completely read.
|
|
*
|
|
* @return nsITransport instance.
|
|
*/
|
|
nsITransport createInputTransport(in nsIInputStream aStream,
|
|
in long long aStartOffset,
|
|
in long long aReadLimit,
|
|
in boolean aCloseWhenDone);
|
|
|
|
/**
|
|
* CreateOutputTransport
|
|
*
|
|
* @param aStream
|
|
* The output stream that will be written to on a background thread.
|
|
* This stream must implement "blocking" stream semantics.
|
|
* @param aStartOffset
|
|
* The output stream will be written starting at this offset. Pass
|
|
* -1 to write to the current stream offset. NOTE: this parameter
|
|
* is ignored if the stream does not support nsISeekableStream.
|
|
* @param aWriteLimit
|
|
* This parameter limits the number of bytes that will be written to
|
|
* the output stream. Pass -1 for unlimited writing.
|
|
* @param aCloseWhenDone
|
|
* Specify this flag to have the output stream closed once its
|
|
* contents have been completely written.
|
|
*
|
|
* @return nsITransport instance.
|
|
*/
|
|
nsITransport createOutputTransport(in nsIOutputStream aStream,
|
|
in long long aStartOffset,
|
|
in long long aWriteLimit,
|
|
in boolean aCloseWhenDone);
|
|
};
|