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41 lines
1.6 KiB
Plaintext
41 lines
1.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "nsIRequestObserver.idl"
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interface nsIInputStream;
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/**
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* nsIStreamListener
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*/
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[scriptable, uuid(3b4c8a77-76ba-4610-b316-678c73a3b88c)]
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interface nsIStreamListener : nsIRequestObserver
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{
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/**
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* Called when the next chunk of data (corresponding to the request) may
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* be read without blocking the calling thread. The onDataAvailable impl
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* must read exactly |aCount| bytes of data before returning.
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*
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* @param aRequest request corresponding to the source of the data
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* @param aContext user defined context
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* @param aInputStream input stream containing the data chunk
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* @param aOffset
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* Number of bytes that were sent in previous onDataAvailable calls
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* for this request. In other words, the sum of all previous count
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* parameters.
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* @param aCount number of bytes available in the stream
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*
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* NOTE: The aInputStream parameter must implement readSegments.
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*
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* An exception thrown from onDataAvailable has the side-effect of
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* causing the request to be canceled.
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*/
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void onDataAvailable(in nsIRequest aRequest,
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in nsISupports aContext,
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in nsIInputStream aInputStream,
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in unsigned long long aOffset,
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in unsigned long aCount);
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};
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