/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* 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 nsIFile; interface nsIMIMEInfo; interface nsIURI; %{C++ #define NS_MIMESERVICE_CID \ { /* 03af31da-3109-11d3-8cd0-0060b0fc14a3 */ \ 0x03af31da, \ 0x3109, \ 0x11d3, \ {0x8c, 0xd0, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \ } %} /** * The MIME service is responsible for mapping file extensions to MIME-types * (see RFC 2045). It also provides access to nsIMIMEInfo interfaces and * acts as a general convenience wrapper of nsIMIMEInfo interfaces. * * The MIME service maintains a database with a <b>one</b> MIME type <b>to many</b> * file extensions rule. Adding the same file extension to multiple MIME types * is illegal and behavior is undefined. * * @see nsIMIMEInfo */ [scriptable, main_process_scriptable_only, uuid(5b3675a1-02db-4f8f-a560-b34736635f47)] interface nsIMIMEService : nsISupports { /** * Retrieves an nsIMIMEInfo using both the extension * and the type of a file. The type is given preference * during the lookup. One of aMIMEType and aFileExt * can be an empty string. At least one of aMIMEType and aFileExt * must be nonempty. */ nsIMIMEInfo getFromTypeAndExtension(in ACString aMIMEType, in AUTF8String aFileExt); /** * Retrieves a ACString representation of the MIME type * associated with this file extension. * * @param A file extension (excluding the dot ('.')). * @return The MIME type, if any. */ ACString getTypeFromExtension(in AUTF8String aFileExt); /** * Retrieves a ACString representation of the MIME type * associated with this URI. The association is purely * file extension to MIME type based. No attempt to determine * the type via server headers or byte scanning is made. * * @param The URI the user wants MIME info on. * @return The MIME type, if any. */ ACString getTypeFromURI(in nsIURI aURI); // ACString getTypeFromFile(in nsIFile aFile); /** * Given a Type/Extension combination, returns the default extension * for this type. This may be identical to the passed-in extension. * * @param aMIMEType The Type to get information on. Must not be empty. * @param aFileExt File Extension. Can be empty. */ AUTF8String getPrimaryExtension(in ACString aMIMEType, in AUTF8String aFileExt); };