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--HG-- rename : js/xpconnect/tests/mochitest/test_bug462428.html => dom/bindings/test/test_lookupGetter.html
348 lines
15 KiB
Plaintext
348 lines
15 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 mozilla.org code.
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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) 2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Tom Pixley <joki@netscape.com> (original author)
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* Johnny Stenback <jst@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 "domstubs.idl"
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%{C++
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#include "nsEvent.h"
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#include "mozilla/dom/bindings/Nullable.h"
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using mozilla::dom::bindings::Nullable;
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class nsPresContext;
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class nsEventChainPreVisitor;
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class nsEventChainPostVisitor;
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struct JSContext;
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class nsEventListenerManager;
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%}
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/**
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* The nsIDOMEventTarget interface is the interface implemented by all
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* event targets in the Document Object Model.
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*
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* For more information on this interface please see
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* http://www.w3.org/TR/DOM-Level-2-Events/
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*/
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[ref] native nsEventChainPreVisitorRef(nsEventChainPreVisitor);
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[ref] native nsEventChainPostVisitorRef(nsEventChainPostVisitor);
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[ptr] native nsEventPtr(nsEvent);
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[ptr] native nsPresContextPtr(nsPresContext);
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[ptr] native nsEventStatusPtr(nsEventStatus);
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[ptr] native JSContextPtr(JSContext);
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[ptr] native nsEventListenerManagerPtr(nsEventListenerManager);
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interface nsIScriptContext;
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interface nsIDOMEventListener;
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interface nsIDOMEvent;
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[scriptable, builtinclass, uuid(8e375931-298d-4d0a-9cb4-5668f0cdc5a8)]
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interface nsIDOMEventTarget : nsISupports
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{
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/**
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* This method allows the registration of event listeners on the event target.
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* If an EventListener is added to an EventTarget while it is processing an
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* event, it will not be triggered by the current actions but may be
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* triggered during a later stage of event flow, such as the bubbling phase.
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*
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* If multiple identical EventListeners are registered on the same
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* EventTarget with the same parameters the duplicate instances are
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* discarded. They do not cause the EventListener to be called twice
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* and since they are discarded they do not need to be removed with the
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* removeEventListener method.
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*
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* @param type The event type for which the user is registering
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* @param listener The listener parameter takes an interface
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* implemented by the user which contains the methods
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* to be called when the event occurs.
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* @param useCapture If true, useCapture indicates that the user
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* wishes to initiate capture. After initiating
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* capture, all events of the specified type will be
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* dispatched to the registered EventListener before
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* being dispatched to any EventTargets beneath them
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* in the tree. Events which are bubbling upward
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* through the tree will not trigger an
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* EventListener designated to use capture.
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* @param wantsUntrusted If false, the listener will not receive any
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* untrusted events (see above), if true, the
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* listener will receive events whether or not
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* they're trusted
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*/
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[optional_argc] void addEventListener(in DOMString type,
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in nsIDOMEventListener listener,
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[optional] in boolean useCapture,
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[optional] in boolean wantsUntrusted);
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/**
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* addSystemEventListener() adds an event listener of aType to the system
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* group. Typically, core code should use system group for listening to
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* content (i.e., non-chrome) element's events. If core code uses
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* nsIDOMEventTarget::AddEventListener for a content node, it means
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* that the listener cannot listen the event when web content calls
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* stopPropagation() of the event.
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*
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* @param aType An event name you're going to handle.
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* @param aListener An event listener.
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* @param aUseCapture TRUE if you want to listen the event in capturing
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* phase. Otherwise, FALSE.
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* @param aWantsUntrusted TRUE if you want to handle untrusted events.
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* Otherwise, FALSE.
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* @return NS_OK if succeed. Otherwise, NS_ERROR_*.
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*/
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[noscript, optional_argc] void addSystemEventListener(
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in DOMString type,
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in nsIDOMEventListener listener,
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[optional] in boolean aUseCapture,
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[optional] in boolean aWantsUntrusted);
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%{C++
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// non-virtual so it won't affect the vtable
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nsresult AddEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture)
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{
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return AddEventListener(aType, aListener, aUseCapture, PR_FALSE, 1);
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}
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// non-virtual so it won't affect the vtable
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nsresult AddEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture,
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bool aWantsUntrusted)
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{
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return AddEventListener(aType, aListener, aUseCapture, aWantsUntrusted, 2);
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}
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// non-virtual so it won't affect the vtable
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nsresult AddSystemEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture)
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{
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return AddSystemEventListener(aType, aListener, aUseCapture, PR_FALSE, 1);
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}
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// non-virtual so it won't affect the vtable
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nsresult AddSystemEventListener(const nsAString& aType,
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nsIDOMEventListener* aListener,
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bool aUseCapture,
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bool aWantsUntrusted)
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{
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return AddSystemEventListener(aType, aListener, aUseCapture,
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aWantsUntrusted, 2);
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}
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%}
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/**
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* This method allows the removal of event listeners from the event
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* target. If an EventListener is removed from an EventTarget while it
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* is processing an event, it will not be triggered by the current actions.
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* EventListeners can never be invoked after being removed.
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* Calling removeEventListener with arguments which do not identify any
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* currently registered EventListener on the EventTarget has no effect.
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*
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* @param type Specifies the event type of the EventListener being
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* removed.
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* @param listener The EventListener parameter indicates the
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* EventListener to be removed.
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* @param useCapture Specifies whether the EventListener being
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* removed was registered as a capturing listener or
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* not. If a listener was registered twice, one with
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* capture and one without, each must be removed
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* separately. Removal of a capturing listener does
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* not affect a non-capturing version of the same
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* listener, and vice versa.
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*/
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void removeEventListener(in DOMString type,
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in nsIDOMEventListener listener,
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[optional] in boolean useCapture);
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/**
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* removeSystemEventListener() should be used if you have used
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* addSystemEventListener().
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*/
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[noscript] void removeSystemEventListener(
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in DOMString type,
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in nsIDOMEventListener listener,
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[optional] in boolean aUseCapture);
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/**
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* This method allows the dispatch of events into the implementations
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* event model. Events dispatched in this manner will have the same
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* capturing and bubbling behavior as events dispatched directly by the
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* implementation. The target of the event is the EventTarget on which
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* dispatchEvent is called.
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*
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* @param evt Specifies the event type, behavior, and contextual
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* information to be used in processing the event.
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* @return Indicates whether any of the listeners which handled the
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* event called preventDefault. If preventDefault was called
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* the value is false, else the value is true.
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* @throws INVALID_STATE_ERR: Raised if the Event's type was
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* not specified by initializing the event before
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* dispatchEvent was called. Specification of the Event's
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* type as null or an empty string will also trigger this
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* exception.
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*/
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boolean dispatchEvent(in nsIDOMEvent evt)
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raises(DOMException);
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/**
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* Returns the nsPIDOMEventTarget object which should be used as the target
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* of DOMEvents.
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* Usually |this| is returned, but for example global object returns
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* the outer object.
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*/
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[notxpcom, nostdcall] nsIDOMEventTarget GetTargetForDOMEvent();
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/**
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* Returns the nsPIDOMEventTarget object which should be used as the target
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* of the event and when constructing event target chain.
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* Usually |this| is returned, but for example global object returns
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* the inner object.
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*/
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[notxpcom, nostdcall] nsIDOMEventTarget GetTargetForEventTargetChain();
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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, nostdcall]
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void PreHandleEvent(in nsEventChainPreVisitorRef aVisitor);
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/**
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* If nsEventChainPreVisitor.mWantsWillHandleEvent is set PR_TRUE,
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* called just before possible event handlers on this object will be called.
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*/
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[noscript, nostdcall]
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void WillHandleEvent(in nsEventChainPostVisitorRef 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, nostdcall]
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void PostHandleEvent(in nsEventChainPostVisitorRef aVisitor);
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/**
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* Dispatch an event.
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* @param aEvent the event that is being dispatched.
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* @param aDOMEvent the event that is being dispatched, use if you want to
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* dispatch nsIDOMEvent, not only nsEvent.
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* @param aPresContext the current presentation context, can be nsnull.
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* @param aEventStatus the status returned from the function, can be nsnull.
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*
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* @note If both aEvent and aDOMEvent are used, aEvent must be the internal
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* event of the aDOMEvent.
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*
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* If aDOMEvent is not nsnull (in which case aEvent can be nsnull) it is used
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* for dispatching, otherwise aEvent is used.
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*
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* @deprecated This method is here just until all the callers outside Gecko
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* have been converted to use nsIDOMEventTarget::dispatchEvent.
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*/
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[noscript, nostdcall]
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void DispatchDOMEvent(in nsEventPtr aEvent,
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in nsIDOMEvent aDOMEvent,
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in nsPresContextPtr aPresContext,
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in nsEventStatusPtr aEventStatus);
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/**
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* Get the event listener manager, the guy you talk to to register for events
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* on this node.
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* @param aMayCreate If PR_FALSE, returns a listener manager only if
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* one already exists.
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*/
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[notxpcom, nostdcall]
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nsEventListenerManagerPtr GetListenerManager(in boolean aMayCreate);
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/**
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* Get the script context in which the event handlers should be run.
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* May return null.
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* @note Caller *must* check the value of aRv.
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*/
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[notxpcom, nostdcall]
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nsIScriptContext GetContextForEventHandlers(out nsresult aRv);
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/**
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* If the method above returns null, but a success code, this method
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* is called.
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*/
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[notxpcom, nostdcall] JSContextPtr GetJSContextForEventHandlers();
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};
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%{C++
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typedef nsIDOMEventTarget nsPIDOMEventTarget;
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#define NS_IMPL_DOMTARGET_DEFAULTS(_class) \
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nsPIDOMEventTarget* _class::GetTargetForDOMEvent() { return this; } \
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nsPIDOMEventTarget* _class::GetTargetForEventTargetChain() { return this; } \
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nsresult _class::WillHandleEvent(nsEventChainPostVisitor& aVisitor) { return NS_OK; } \
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JSContext* _class::GetJSContextForEventHandlers() { return nsnull; }
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#define NS_IMPL_REMOVE_SYSTEM_EVENT_LISTENER(aClass) \
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NS_IMETHODIMP \
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aClass::RemoveSystemEventListener(const nsAString& aType, \
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nsIDOMEventListener *aListener, \
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bool aUseCapture) \
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{ \
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nsEventListenerManager* listenerManager = GetListenerManager(false); \
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if (!listenerManager) { \
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return NS_OK; \
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} \
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PRUint32 flags = NS_EVENT_FLAG_SYSTEM_EVENT; \
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flags |= aUseCapture ? NS_EVENT_FLAG_CAPTURE : NS_EVENT_FLAG_BUBBLE; \
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listenerManager->RemoveEventListenerByType(aListener, aType, flags); \
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return NS_OK; \
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}
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%}
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