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57 lines
2.0 KiB
Plaintext
57 lines
2.0 KiB
Plaintext
/* -*- Mode: C; tab-width: 2; 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 "nsISupports.idl"
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interface nsIURI;
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/**
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* This interface provides a way to stream data to the web browser. This allows
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* loading of data from sources which can not be accessed using URIs and
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* nsIWebNavigation.
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*/
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[scriptable, uuid(86d02f0e-219b-4cfc-9c88-bd98d2cce0b8)]
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interface nsIWebBrowserStream : nsISupports
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{
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/**
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* Prepare to load a stream of data. When this function returns successfully,
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* it must be paired by a call to closeStream.
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*
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* @param aBaseURI
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* The base URI of the data. Must not be null. Relative
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* URIs will be resolved relative to this URI.
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* @param aContentType
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* ASCII string giving the content type of the data. If rendering
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* content of this type is not supported, this method fails.
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* This string may include a charset declaration, for example:
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* text/html;charset=ISO-8859-1
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*
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* @throw NS_ERROR_NOT_AVAILABLE
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* The requested content type is not supported.
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* @throw NS_ERROR_IN_PROGRESS
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* openStream was called twice without an intermediate closeStream.
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*/
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void openStream(in nsIURI aBaseURI, in ACString aContentType);
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/**
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* Append data to this stream.
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* @param aData The data to append
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* @param aLen Length of the data to append.
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*
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* @note To append more than 4 GB of data, call this method multiple times.
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*/
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void appendToStream([const, array, size_is(aLen)] in octet aData,
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in unsigned long aLen);
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/**
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* Notifies the browser that all the data has been appended. This may notify
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* the user that the browser is "done loading" in some form.
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*
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* @throw NS_ERROR_UNEXPECTED
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* This method was called without a preceding openStream.
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*/
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void closeStream();
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};
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