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94 lines
2.9 KiB
C++
94 lines
2.9 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 nsIDraggedObject_h__
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#define nsIDraggedObject_h__
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#include "nsISupports.h"
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#include "nsCoord.h"
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class nsIDragSource;
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class nsIDragTarget;
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class nsITransferable;
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class nsIFrame;
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// {8B5314B9-DB01-11d2-96CE-0060B0FB9956}
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#define NS_IDRAGGEDOBJECT_IID \
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{ 0x8b5314b9, 0xdb01, 0x11d2, { 0x96, 0xce, 0x0, 0x60, 0xb0, 0xfb, 0x99, 0x56 } }
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class nsIDraggedObject : public nsISupports {
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public:
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/**
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* Returns the image that represents the dragged data. This is uses extensively on the NeXT by drag destinations to show the
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* user what things might look like if the object were dropped.
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*
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* @param aDraggedObj the object being dragged
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* @param aX X mouse coord in destination frame
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* @param aY Y mouse coord in destination frame
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*/
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//NS_IMETHOD GetImage(nsIImage * anImage) = 0;
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/**
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* Returns the x,y offset of the dragged image from the cursor.
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*
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* @param aDraggedObj the object being dragged
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* @param aX X mouse coord in destination frame
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* @param aY Y mouse coord in destination frame
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*/
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NS_IMETHOD GetDragOffset(nscoord * aX, nscoord * aY) = 0;
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/**
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* Gets the transferable object
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*
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* @param aTransferable The transferable
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* @result NS_Ok if no errors
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*/
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NS_IMETHOD GetTransferable(nsITransferable ** aTransferable) = 0;
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/**
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* Returns the DragSource if the drag session occured in the same address space. If it source is not in the same address
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* NULL is returned.
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*
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* @param nsIDragSource The drag source
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*/
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NS_IMETHOD GetSource(nsIDragSource ** aDragSrc) = 0;
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/**
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* Returns the destination the dragged object is currently over.
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*
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* @param nsIDragTarget the destination target
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* @result Returns NULL if the destination is not in the same address space.
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*/
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NS_IMETHOD GetTarget(nsIDragTarget ** aTarget) = 0;
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/**
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* Returns the nsIFrame we are dragging into
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*
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* @param aDraggedObj the object being dragged
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* @result Returns NULL if the destination is not in the same address space.
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*/
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NS_IMETHOD GetTargetnFrame(nsIFrame ** aFrame) = 0;
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};
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#endif
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