зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
3.3 KiB
C++
109 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIEventListenerManager_h__
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#define nsIEventListenerManager_h__
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#include "nsGUIEvent.h"
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#include "nsISupports.h"
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#include "nsVoidArray.h"
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class nsIPresContext;
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class nsIDOMEventListener;
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class nsIScriptObjectOwner;
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/*
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* Event listener manager interface.
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*/
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#define NS_IEVENTLISTENERMANAGER_IID \
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{ /* cd91bcf0-ded9-11d1-bd85-00805f8ae3f4 */ \
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0xcd91bcf0, 0xded9, 0x11d1, \
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{0xbd, 0x85, 0x00, 0x80, 0x5f, 0x8a, 0xe3, 0xf4} }
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class nsIEventListenerManager : public nsISupports {
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public:
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/**
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* Retrieves events listeners of all types.
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* @param
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*/
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virtual nsresult GetEventListeners(nsVoidArray **aListeners, const nsIID& aIID) = 0;
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/**
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* Sets events listeners of all types.
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* @param an event listener
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*/
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virtual nsresult AddEventListener(nsIDOMEventListener *aListener, const nsIID& aIID) = 0;
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/**
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* Creates a script event listener for the given script object with name mName and function
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* content mFunc.
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* @param an event listener
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*/
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virtual nsresult AddScriptEventListener(nsIScriptContext*aContext, nsIScriptObjectOwner *aScriptObjectOwner,
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nsIAtom *aName, const nsString& aFunc, REFNSIID aIID) = 0;
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/**
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* Registers an event listners which already exists on the given script object with the event
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* listener manager.
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* @param an event listener
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*/
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virtual nsresult RegisterScriptEventListener(nsIScriptContext *aContext, nsIScriptObjectOwner *aScriptObjectOwner,
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REFNSIID aIID) = 0;
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/**
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* Removes events listeners of all types.
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* @param an event listener
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*/
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virtual nsresult RemoveEventListener(nsIDOMEventListener *aListener, const nsIID& aIID) = 0;
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/**
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* Causes a check for event listeners and processing by them if they exist.
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* @param an event listener
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*/
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virtual nsresult HandleEvent(nsIPresContext& aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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nsEventStatus& aEventStatus) = 0;
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/**
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* Captures all events designated for descendant objects at the current level.
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* @param an event listener
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*/
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virtual nsresult CaptureEvent(nsIDOMEventListener *aListener) = 0;
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/**
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* Releases all events designated for descendant objects at the current level.
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* @param an event listener
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*/
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virtual nsresult ReleaseEvent(nsIDOMEventListener *aListener) = 0;
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};
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extern NS_HTML nsresult NS_NewEventListenerManager(nsIEventListenerManager** aInstancePtrResult);
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#endif // nsIEventListenerManager_h__
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