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71 lines
2.4 KiB
C++
71 lines
2.4 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 nsIEventStateManager_h__
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#define nsIEventStateManager_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 nsIContent;
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class nsIPresContext;
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class nsIDOMEvent;
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class nsIFrame;
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class nsIView;
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/*
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* Event listener manager interface.
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*/
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#define NS_IEVENTSTATEMANAGER_IID \
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{ /* 80a98c80-2036-11d2-bd89-00805f8ae3f4 */ \
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0x80a98c80, 0x2036, 0x11d2, \
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{0xbd, 0x89, 0x00, 0x80, 0x5f, 0x8a, 0xe3, 0xf4} }
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class nsIEventStateManager : public nsISupports {
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public:
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NS_IMETHOD PreHandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus& aStatus) = 0;
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NS_IMETHOD PostHandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus& aStatus,
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nsIView* aView) = 0;
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NS_IMETHOD SetPresContext(nsIPresContext* aPresContext) = 0;
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NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame) = 0;
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NS_IMETHOD GetEventTarget(nsIFrame **aFrame) = 0;
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NS_IMETHOD GetContentState(nsIContent *aContent, PRInt32& aState) = 0;
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NS_IMETHOD SetContentState(nsIContent *aContent, PRInt32 aState) = 0;
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};
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#define NS_EVENT_STATE_UNSPECIFIED 0x0000
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#define NS_EVENT_STATE_ACTIVE 0x0001 // mouse is down on content
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#define NS_EVENT_STATE_FOCUS 0x0002 // content has focus
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#define NS_EVENT_STATE_HOVER 0x0004 // mouse is hovering over content
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#define NS_EVENT_STATE_DRAGOVER 0x0008 // drag is hovering over content
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#endif // nsIEventStateManager_h__
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