/usr/share/idl/firefox/nsIContentSniffer.idl is in firefox-dev 11.0+build1-0ubuntu4.
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* 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 necko content sniffer interface.
*
* The Initial Developer of the Original Code is
* Christian Biesinger <cbiesinger@web.de>.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* 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"),
* 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 nsIRequest;
/**
* Content sniffer interface. Components implementing this interface can
* determine a MIME type from a chunk of bytes.
*/
[scriptable, uuid(a5772d1b-fc63-495e-a169-96e8d3311af0)]
interface nsIContentSniffer : nsISupports
{
/**
* Given a chunk of data, determines a MIME type. Information from the given
* request may be used in order to make a better decision.
*
* @param aRequest The request where this data came from. May be null.
* @param aData Data to check
* @param aLength Length of the data
*
* @return The content type
*
* @throw NS_ERROR_NOT_AVAILABLE if no MIME type could be determined.
*
* @note Implementations should consider the request read-only. Especially,
* they should not attempt to set the content type property that subclasses of
* nsIRequest might offer.
*/
ACString getMIMETypeFromContent(in nsIRequest aRequest,
[const,array,size_is(aLength)] in octet aData,
in unsigned long aLength);
};
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