зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.4 KiB
C++
83 строки
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 nsIDragService_h__
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#define nsIDragService_h__
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#include "nsISupports.h"
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class nsIDragSession;
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class nsITransferable;
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class nsISupportsArray;
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class nsIRegion;
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// {8B5314BB-DB01-11d2-96CE-0060B0FB9956}
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#define NS_IDRAGSERVICE_IID \
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{ 0x8b5314bb, 0xdb01, 0x11d2, { 0x96, 0xce, 0x0, 0x60, 0xb0, 0xfb, 0x99, 0x56 } }
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#define DRAGDROP_ACTION_NONE 0x0000
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#define DRAGDROP_ACTION_COPY 0x0001
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#define DRAGDROP_ACTION_MOVE 0x0002
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#define DRAGDROP_ACTION_LINK 0x0004
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class nsIDragService : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IDRAGSERVICE_IID; return iid; }
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/**
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* Starts a modal drag session with an array of transaferables
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*
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* @param an array of transferables to be dragged
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*/
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NS_IMETHOD InvokeDragSession (nsISupportsArray * anArrayTransferables, nsIRegion * aRegion, PRUint32 aActionType) = 0;
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/**
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* Starts a modal drag session with a single transferable
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*
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* @param aTransferable the transferable to be dragged
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*/
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NS_IMETHOD InvokeDragSessionSingle (nsITransferable * aTransferable, nsIRegion * aRegion, PRUint32 aActionType) = 0;
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/**
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* Returns the current Drag Session
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*
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* @param aSession the current drag session
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*/
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NS_IMETHOD GetCurrentSession (nsIDragSession ** aSession) = 0;
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/**
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* Tells the Drag Service to start a drag sessiojn, this is called when
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* an external drag occurs
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*
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*/
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NS_IMETHOD StartDragSession () = 0;
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/**
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* Tells the Drag Service to end a drag sessiojn, this is called when
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* an external drag occurs
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*
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*/
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NS_IMETHOD EndDragSession () = 0;
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};
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#endif
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