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87 lines
3.4 KiB
Plaintext
87 lines
3.4 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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* Olli Pettay <Olli.Pettay@helsinki.fi>
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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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%{ C++
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class nsEventChainPreVisitor;
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class nsEventChainPostVisitor;
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%}
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[ref] native nsEventChainPreVisitorRef(nsEventChainPreVisitor);
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[ref] native nsEventChainPostVisitorRef(nsEventChainPostVisitor);
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interface nsIDOMEvent;
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/**
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* The nsIChromeEventHandler
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*/
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[scriptable, uuid(a54dc626-9648-406b-bc82-b5c51b3767d7)]
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interface nsIChromeEventHandler : nsISupports
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{
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/**
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* Called before the capture phase of the event flow.
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* This is used to create the event target chain and implementations
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* should set the necessary members of nsEventChainPreVisitor.
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* At least aVisitor.mCanHandle must be set,
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* usually also aVisitor.mParentTarget if mCanHandle is PR_TRUE.
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* First one tells that this object can handle the aVisitor.mEvent event and
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* the latter one is the possible parent object for the event target chain.
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* @see nsEventDispatcher.h for more documentation about aVisitor.
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*
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* @param aVisitor the visitor object which is used to create the
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* event target chain for event dispatching.
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*
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* @note Only nsEventDispatcher should call this method.
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*/
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[noscript] void PreHandleChromeEvent(in nsEventChainPreVisitorRef aVisitor);
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/**
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* Called after the bubble phase of the system event group.
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* The default handling of the event should happen here.
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* @param aVisitor the visitor object which is used during post handling.
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*
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* @see nsEventDispatcher.h for documentation about aVisitor.
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* @note Only nsEventDispatcher should call this method.
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*/
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[noscript] void PostHandleChromeEvent(in nsEventChainPostVisitorRef aVisitor);
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};
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