/usr/share/idl/thunderbird/nsIContentSniffer.idl is in thunderbird-dev 1:52.8.0-1~deb8u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | /* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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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