gecko/embedding/browser/webBrowser/nsIWebBrowserStream.idl

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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001, 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Marco Pesenti Gritti <marco@gnome.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface nsIURI;
/**
* This interface provides a way to stream data to the web browser. This allows
* loading of data from sources which can not be accessed using URIs and
* nsIWebNavigation.
*/
[scriptable, uuid(86d02f0e-219b-4cfc-9c88-bd98d2cce0b8)]
interface nsIWebBrowserStream : nsISupports
{
/**
* Prepare to load a stream of data. When this function returns successfully,
* it must be paired by a call to closeStream.
*
* @param aBaseURI
* The base URI of the data. Must not be null. Relative
* URIs will be resolved relative to this URI.
* @param aContentType
* ASCII string giving the content type of the data. If rendering
* content of this type is not supported, this method fails.
* This string may include a charset declaration, for example:
* text/html;charset=ISO-8859-1
*
* @throw NS_ERROR_NOT_AVAILABLE
* The requested content type is not supported.
* @throw NS_ERROR_IN_PROGRESS
* openStream was called twice without an intermediate closeStream.
*/
void openStream(in nsIURI aBaseURI, in ACString aContentType);
/**
* Append data to this stream.
* @param aData The data to append
* @param aLen Length of the data to append.
*
* @note To append more than 4 GB of data, call this method multiple times.
*/
void appendToStream([const, array, size_is(aLen)] in octet aData,
in unsigned long aLen);
/**
* Notifies the browser that all the data has been appended. This may notify
* the user that the browser is "done loading" in some form.
*
* @throw NS_ERROR_UNEXPECTED
* This method was called without a preceding openStream.
*/
void closeStream();
};