gecko-dev/dom/public/coreEvents/nsIDOMDragListener.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIDOMDragListener_h__
#define nsIDOMDragListener_h__
#include "nsIDOMEvent.h"
#include "nsIDOMEventListener.h"
/*
* Mouse up/down/move event listener
*
*/
#define NS_IDOMDRAGLISTENER_IID \
{ /* 6b8b25d0-ded5-11d1-bd85-00805f8ae3f4 */ \
0x6b8b25d0, 0xded5, 0x11d1, \
{0xbd, 0x85, 0x00, 0x80, 0x5f, 0x8a, 0xe3, 0xf4} }
class nsIDOMDragListener : public nsIDOMEventListener {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOMDRAGLISTENER_IID)
/**
* Processes a drag enter event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
virtual nsresult DragEnter(nsIDOMEvent* aMouseEvent) = 0;
/**
* Processes a drag over event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
virtual nsresult DragOver(nsIDOMEvent* aMouseEvent) = 0;
/**
* Processes a drag Exit event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
virtual nsresult DragExit(nsIDOMEvent* aMouseEvent) = 0;
/**
* Processes a drag drop event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
virtual nsresult DragDrop(nsIDOMEvent* aMouseEvent) = 0;
/**
* Processes a drag gesture event
* @param aMouseEvent @see nsIDOMEvent.h
* @returns whether the event was consumed or ignored. @see nsresult
*/
virtual nsresult DragGesture(nsIDOMEvent* aMouseEvent) = 0;
};
#endif // nsIDOMDragListener_h__