mirror of
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219 lines
8.2 KiB
Plaintext
219 lines
8.2 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "domstubs.idl"
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interface nsIDOMEventTarget;
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[ptr] native WidgetEventPtr(mozilla::WidgetEvent);
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[ptr] native DOMEventPtr(mozilla::dom::Event);
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[ptr] native IPCMessagePtr(IPC::Message);
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[ptr] native ConstIPCMessagePtr(const IPC::Message);
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[ptr] native EventTargetPtr(mozilla::dom::EventTarget);
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%{C++
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#ifdef ERROR
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#undef ERROR
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#endif
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#include "mozilla/EventForwards.h"
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class nsPresContext;
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class nsInvalidateRequestList;
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namespace IPC {
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class Message;
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}
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namespace mozilla {
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namespace dom {
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class Event;
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class EventTarget;
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} // namespace dom
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} // namespace mozilla
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%}
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/**
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* The nsIDOMEvent interface is the primary datatype for all events in
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* 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://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html and
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* http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html
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*/
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[builtinclass, uuid(f58daacf-4d1a-4002-8fd7-06b614dfbcf6)]
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interface nsIDOMEvent : nsISupports
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{
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// PhaseType
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/**
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* The event isn't being dispatched.
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*/
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const unsigned short NONE = 0;
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/**
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* The current event phase is the capturing phase.
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*/
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const unsigned short CAPTURING_PHASE = 1;
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/**
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* The event is currently being evaluated at the target EventTarget.
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*/
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const unsigned short AT_TARGET = 2;
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/**
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* The current event phase is the bubbling phase.
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*/
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const unsigned short BUBBLING_PHASE = 3;
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/**
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* The name of the event (case-insensitive). The name must be an XML
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* name.
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*/
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readonly attribute DOMString type;
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/**
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* Used to indicate the EventTarget to which the event was originally
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* dispatched.
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*/
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readonly attribute nsIDOMEventTarget target;
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/**
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* Used to indicate the EventTarget whose EventListeners are currently
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* being processed. This is particularly useful during capturing and
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* bubbling.
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*/
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readonly attribute nsIDOMEventTarget currentTarget;
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/**
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* Used to indicate which phase of event flow is currently being
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* evaluated.
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*/
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readonly attribute unsigned short eventPhase;
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/**
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* Used to indicate whether or not an event is a bubbling event. If the
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* event can bubble the value is true, else the value is false.
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*/
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readonly attribute boolean bubbles;
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/**
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* Used to indicate whether or not an event can have its default action
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* prevented. If the default action can be prevented the value is true,
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* else the value is false.
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*/
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readonly attribute boolean cancelable;
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/**
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* Used to specify the time (in milliseconds relative to the epoch) at
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* which the event was created. Due to the fact that some systems may
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* not provide this information the value of timeStamp may be not
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* available for all events. When not available, a value of 0 will be
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* returned. Examples of epoch time are the time of the system start or
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* 0:0:0 UTC 1st January 1970.
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*/
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readonly attribute DOMTimeStamp timeStamp;
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/**
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* The stopPropagation method is used prevent further propagation of an
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* event during event flow. If this method is called by any
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* EventListener the event will cease propagating through the tree. The
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* event will complete dispatch to all listeners on the current
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* EventTarget before event flow stops. This method may be used during
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* any stage of event flow.
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*/
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void stopPropagation();
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/**
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* If an event is cancelable, the preventDefault method is used to
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* signify that the event is to be canceled, meaning any default action
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* normally taken by the implementation as a result of the event will
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* not occur. If, during any stage of event flow, the preventDefault
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* method is called the event is canceled. Any default action associated
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* with the event will not occur. Calling this method for a
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* non-cancelable event has no effect. Once preventDefault has been
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* called it will remain in effect throughout the remainder of the
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* event's propagation. This method may be used during any stage of
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* event flow.
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*/
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void preventDefault();
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/**
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* The initEvent method is used to initialize the value of an Event
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* created through the DocumentEvent interface. This method may only be
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* called before the Event has been dispatched via the dispatchEvent
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* method, though it may be called multiple times during that phase if
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* necessary. If called multiple times the final invocation takes
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* precedence. If called from a subclass of Event interface only the
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* values specified in the initEvent method are modified, all other
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* attributes are left unchanged.
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*
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* @param eventTypeArg Specifies the event type. This type may be
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* any event type currently defined in this
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* specification or a new event type.. The string
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* must be an XML name.
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* Any new event type must not begin with any
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* upper, lower, or mixed case version of the
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* string "DOM". This prefix is reserved for
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* future DOM event sets. It is also strongly
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* recommended that third parties adding their
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* own events use their own prefix to avoid
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* confusion and lessen the probability of
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* conflicts with other new events.
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* @param canBubbleArg Specifies whether or not the event can bubble.
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* @param cancelableArg Specifies whether or not the event's default
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* action can be prevented.
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*/
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[notxpcom,nostdcall]
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void initEvent(in DOMString eventTypeArg,
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in boolean canBubbleArg,
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in boolean cancelableArg);
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/**
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* Used to indicate whether preventDefault() has been called for this event.
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*/
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readonly attribute boolean defaultPrevented;
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/**
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* Prevents other event listeners from being triggered and,
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* unlike Event.stopPropagation() its effect is immediate.
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*/
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void stopImmediatePropagation();
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const long ALT_MASK = 0x00000001;
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const long CONTROL_MASK = 0x00000002;
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const long SHIFT_MASK = 0x00000004;
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const long META_MASK = 0x00000008;
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/** The original target of the event, before any retargetings. */
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readonly attribute nsIDOMEventTarget originalTarget;
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/**
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* The explicit original target of the event. If the event was retargeted
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* for some reason other than an anonymous boundary crossing, this will be set
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* to the target before the retargeting occurs. For example, mouse events
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* are retargeted to their parent node when they happen over text nodes (bug
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* 185889), and in that case .target will show the parent and
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* .explicitOriginalTarget will show the text node.
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* .explicitOriginalTarget differs from .originalTarget in that it will never
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* contain anonymous content.
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*/
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readonly attribute nsIDOMEventTarget explicitOriginalTarget;
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/**
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* @deprecated Use nsIDOMEvent::defaultPrevented.
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* To be removed in bug 691151.
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*/
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boolean getPreventDefault();
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readonly attribute boolean isTrusted;
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[noscript] void duplicatePrivateData();
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[noscript] void setTarget(in nsIDOMEventTarget aTarget);
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[notxpcom] boolean IsDispatchStopped();
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[notxpcom] WidgetEventPtr GetInternalNSEvent();
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[noscript,notxpcom] void SetTrusted(in boolean aTrusted);
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[notxpcom] void Serialize(in IPCMessagePtr aMsg,
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in boolean aSerializeInterfaceType);
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[notxpcom] boolean Deserialize(in ConstIPCMessagePtr aMsg, out voidPtr aIter);
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[noscript,notxpcom] void SetOwner(in EventTargetPtr aOwner);
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[notxpcom] DOMEventPtr InternalDOMEvent();
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[noscript] void stopCrossProcessForwarding();
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};
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