gecko-dev/widget/public/nsIFormatConverter.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* 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"),
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#include "nsISupports.idl"
#include "nsISupportsArray.idl"
[scriptable, uuid(948A0023-E3A7-11d2-96CF-0060B0FB9956)]
interface nsIFormatConverter : nsISupports
{
/**
* Get the list of the "input" data flavors (mime types as nsISupportsCString),
* in otherwords, the flavors that this converter can convert "from" (the
* incoming data to the converter).
*/
nsISupportsArray getInputDataFlavors ( ) ;
/**
* Get the list of the "output" data flavors (mime types as nsISupportsCString),
* in otherwords, the flavors that this converter can convert "to" (the
* outgoing data to the converter).
*
* @param aDataFlavorList fills list with supported flavors
*/
nsISupportsArray getOutputDataFlavors ( ) ;
/**
* Determines whether a converion from one flavor to another is supported
*
* @param aFromFormatConverter flavor to convert from
* @param aFromFormatConverter flavor to convert to
*/
boolean canConvert ( in string aFromDataFlavor, in string aToDataFlavor ) ;
/**
* Converts from one flavor to another.
*
* @param aFromFormatConverter flavor to convert from
* @param aFromFormatConverter flavor to convert to (destination own the memory)
* @returns returns NS_OK if it was converted
*/
void convert ( in string aFromDataFlavor, in nsISupports aFromData, in unsigned long aDataLen,
in string aToDataFlavor, out nsISupports aToData, out unsigned long aDataToLen ) ;
};
%{ C++
%}