зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
4.2 KiB
Plaintext
101 строка
4.2 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIFile;
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interface nsIMIMEInfo;
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interface nsIURI;
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%{C++
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#define NS_MIMESERVICE_CID \
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{ /* 03af31da-3109-11d3-8cd0-0060b0fc14a3 */ \
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0x03af31da, \
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0x3109, \
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0x11d3, \
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{0x8c, 0xd0, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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%}
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/**
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* The MIME service is responsible for mapping file extensions to MIME-types
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* (see RFC 2045). It also provides access to nsIMIMEInfo interfaces and
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* acts as a general convenience wrapper of nsIMIMEInfo interfaces.
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*
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* The MIME service maintains a database with a <b>one</b> MIME type <b>to many</b>
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* file extensions rule. Adding the same file extension to multiple MIME types
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* is illegal and behavior is undefined.
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*
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* @see nsIMIMEInfo
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*/
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[scriptable, main_process_scriptable_only, uuid(5b3675a1-02db-4f8f-a560-b34736635f47)]
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interface nsIMIMEService : nsISupports {
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/**
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* Retrieves an nsIMIMEInfo using both the extension
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* and the type of a file. The type is given preference
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* during the lookup. One of aMIMEType and aFileExt
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* can be an empty string. At least one of aMIMEType and aFileExt
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* must be nonempty.
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*/
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nsIMIMEInfo getFromTypeAndExtension(in ACString aMIMEType, in AUTF8String aFileExt);
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/**
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* Retrieves a ACString representation of the MIME type
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* associated with this file extension.
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*
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* @param A file extension (excluding the dot ('.')).
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* @return The MIME type, if any.
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*/
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ACString getTypeFromExtension(in AUTF8String aFileExt);
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/**
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* Retrieves a ACString representation of the MIME type
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* associated with this URI. The association is purely
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* file extension to MIME type based. No attempt to determine
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* the type via server headers or byte scanning is made.
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*
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* @param The URI the user wants MIME info on.
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* @return The MIME type, if any.
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*/
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ACString getTypeFromURI(in nsIURI aURI);
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//
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ACString getTypeFromFile(in nsIFile aFile);
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/**
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* Given a Type/Extension combination, returns the default extension
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* for this type. This may be identical to the passed-in extension.
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*
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* @param aMIMEType The Type to get information on. Must not be empty.
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* @param aFileExt File Extension. Can be empty.
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*/
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AUTF8String getPrimaryExtension(in ACString aMIMEType, in AUTF8String aFileExt);
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/*
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* Returns an nsIMIMEInfo for the provided MIME type and extension
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* obtained from an OS lookup. If no handler is found for the type and
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* extension, returns a generic nsIMIMEInfo object. The MIME type and
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* extension can be the empty string. When the type and extension don't
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* map to the same handler, the semantics/resolution are platform
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* specific. See the platform implementations for details.
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*
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* @param aType The MIME type to get handler information for.
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* @param aFileExtension The filename extension to use either alone
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* or with the MIME type to get handler information
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* for. UTF-8 encoded.
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* @param [out] aFound Out param indicating whether a MIMEInfo could
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* be found for the provided type and/or extension.
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* Set to false when neither extension nor the MIME
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* type are mapped to a handler.
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* @return A nsIMIMEInfo object. This function must return
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* a MIMEInfo object if it can allocate one. The
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* only justifiable reason for not returning one is
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* an out-of-memory error.
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*/
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nsIMIMEInfo getMIMEInfoFromOS(in ACString aType,
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in ACString aFileExtension,
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out boolean aFound);
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};
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