71 lines
2.3 KiB
C++
71 lines
2.3 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef _nsNativeDragSource_h_
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#define _nsNativeDragSource_h_
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#include <OLE2.h>
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#include <OLEIDL.h>
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//class nsIDragSource;
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/*
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* nsNativeDragSource implements the IDropSource interface and gets most of its
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* behavior from the associated adapter (m_dragDrop).
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*/
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class nsNativeDragSource : public IDropSource
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{
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public: // construction, destruction
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// construct an nsNativeDragSource referencing adapter
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//nsNativeDragSource(nsIDragSource * adapter);
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nsNativeDragSource();
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~nsNativeDragSource();
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public: // IUnknown methods - see iunknown.h for documentation
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STDMETHODIMP QueryInterface(REFIID, void**);
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STDMETHODIMP_(ULONG) AddRef ();
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STDMETHODIMP_(ULONG) Release ();
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public: // IDropSource methods
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// Return DRAGDROP_S_USEDEFAULTCURSORS if this object lets OLE provide
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// default cursors, otherwise return NOERROR. This method gets called in
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// response to changes that the target makes to dEffect (DragEnter,
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// DragOver).
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STDMETHODIMP GiveFeedback (DWORD dEffect);
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// If fESC is TRUE return DRAGDROP_S_CANCEL. If the left mouse button
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// is released return DRAGDROP_S_DROP. Otherwise return NOERROR. This
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// method gets called if there is any change in the mouse or key state.
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STDMETHODIMP QueryContinueDrag (BOOL fESC, DWORD grfKeyState);
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protected:
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ULONG m_cRef; // reference count
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//nsIDragSource * mDragSource; // adapter
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//CfDragDrop * mDragSource; // adapter
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};
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#endif // _nsNativeDragSource_h_
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