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133 lines
4.9 KiB
Plaintext
133 lines
4.9 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* John Bandhauer <jband@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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#include "nsIProgrammingLanguage.idl"
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/**
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* Provides information about a specific implementation class
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* @status FROZEN
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*/
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[scriptable, uuid(986c11d0-f340-11d4-9075-0010a4e73d9a)]
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interface nsIClassInfo : nsISupports
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{
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/**
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* Get an ordered list of the interface ids that instances of the class
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* promise to implement. Note that nsISupports is an implicit member
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* of any such list and need not be included.
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*
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* Should set *count = 0 and *array = null and return NS_OK if getting the
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* list is not supported.
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*/
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void getInterfaces(out PRUint32 count,
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[array, size_is(count), retval] out nsIIDPtr array);
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/**
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* Get a language mapping specific helper object that may assist in using
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* objects of this class in a specific lanaguage. For instance, if asked
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* for the helper for nsIProgrammingLanguage::JAVASCRIPT this might return
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* an object that can be QI'd into the nsIXPCScriptable interface to assist
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* XPConnect in supplying JavaScript specific behavior to callers of the
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* instance object.
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*
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* see: nsIProgrammingLanguage.idl
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*
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* Should return null if no helper available for given language.
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*/
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nsISupports getHelperForLanguage(in PRUint32 language);
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/**
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* A contract ID through which an instance of this class can be created
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* (or accessed as a service, if |flags & SINGLETON|), or null.
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*/
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readonly attribute string contractID;
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/**
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* A human readable string naming the class, or null.
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*/
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readonly attribute string classDescription;
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/**
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* A class ID through which an instance of this class can be created
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* (or accessed as a service, if |flags & SINGLETON|), or null.
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*/
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readonly attribute nsCIDPtr classID;
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/**
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* Return language type from list in nsIProgrammingLanguage
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*/
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readonly attribute PRUint32 implementationLanguage;
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/**
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* Bitflags for 'flags' attribute.
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*/
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const PRUint32 SINGLETON = 1 << 0;
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const PRUint32 THREADSAFE = 1 << 1;
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const PRUint32 MAIN_THREAD_ONLY = 1 << 2;
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const PRUint32 DOM_OBJECT = 1 << 3;
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const PRUint32 PLUGIN_OBJECT = 1 << 4;
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const PRUint32 EAGER_CLASSINFO = 1 << 5;
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/**
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* 'flags' attribute bitflag: whether objects of this type implement
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* nsIContent.
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*/
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const PRUint32 CONTENT_NODE = 1 << 6;
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// The high order bit is RESERVED for consumers of these flags.
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// No implementor of this interface should ever return flags
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// with this bit set.
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const PRUint32 RESERVED = 1 << 31;
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readonly attribute PRUint32 flags;
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/**
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* Also a class ID through which an instance of this class can be created
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* (or accessed as a service, if |flags & SINGLETON|). If the class does
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* not have a CID, it should return NS_ERROR_NOT_AVAILABLE. This attribute
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* exists so C++ callers can avoid allocating and freeing a CID, as would
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* happen if they used classID.
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*/
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[notxpcom] readonly attribute nsCID classIDNoAlloc;
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};
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