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comparison: netwerk/base/public/nsIStreamListener.idl
netwerk/base/public/nsIStreamListener.idl
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- 6474c204b198
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsIRequestObserver.idl" | |
| 7 | |
| 8 interface nsIInputStream; | |
| 9 | |
| 10 /** | |
| 11 * nsIStreamListener | |
| 12 */ | |
| 13 [scriptable, uuid(3b4c8a77-76ba-4610-b316-678c73a3b88c)] | |
| 14 interface nsIStreamListener : nsIRequestObserver | |
| 15 { | |
| 16 /** | |
| 17 * Called when the next chunk of data (corresponding to the request) may | |
| 18 * be read without blocking the calling thread. The onDataAvailable impl | |
| 19 * must read exactly |aCount| bytes of data before returning. | |
| 20 * | |
| 21 * @param aRequest request corresponding to the source of the data | |
| 22 * @param aContext user defined context | |
| 23 * @param aInputStream input stream containing the data chunk | |
| 24 * @param aOffset | |
| 25 * Number of bytes that were sent in previous onDataAvailable calls | |
| 26 * for this request. In other words, the sum of all previous count | |
| 27 * parameters. | |
| 28 * @param aCount number of bytes available in the stream | |
| 29 * | |
| 30 * NOTE: The aInputStream parameter must implement readSegments. | |
| 31 * | |
| 32 * An exception thrown from onDataAvailable has the side-effect of | |
| 33 * causing the request to be canceled. | |
| 34 */ | |
| 35 void onDataAvailable(in nsIRequest aRequest, | |
| 36 in nsISupports aContext, | |
| 37 in nsIInputStream aInputStream, | |
| 38 in unsigned long long aOffset, | |
| 39 in unsigned long aCount); | |
| 40 }; |
