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70 lines
2.9 KiB
Plaintext
70 lines
2.9 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 the Mozilla XTF project.
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*
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* The Initial Developer of the Original Code is
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* Alex Fritze.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex@croczilla.com> (original author)
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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interface nsIAtom;
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[scriptable, uuid(72152f7f-7e8d-43fd-8477-3f29ae8d240d)]
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interface nsIXTFAttributeHandler : nsISupports
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{
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// If 'false' the given attribute will be handled by the wrapper.
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// Namespaced attributes will always be handled by the wrapper. The
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// set of attributes handled by the attribute handler should remain
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// constant for its complete lifetime.
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boolean handlesAttribute(in nsIAtom name);
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void setAttribute(in nsIAtom name, in AString newValue);
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void removeAttribute(in nsIAtom name);
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// If the attribute 'name' is unknown the implementation should mark
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// the returned string as being 'null' (i.e. return 'null' in JS;
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// call SetIsVoid(PR_TRUE) in C++) rather than throw an exception.
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// A 'void' result will be translated into the attribute missing
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// by the wrapper. An empty result will be translated into
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// the attribute having no value.
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AString getAttribute(in nsIAtom name);
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boolean hasAttribute(in nsIAtom name);
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unsigned long getAttributeCount();
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// note that this method should return an *atom* not a string.
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nsIAtom getAttributeNameAt(in unsigned long index);
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};
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