reactos/dll/win32/shell32/droptargets/CFSDropTarget.h

   1 /*
   2  * file system folder drop target
   3  *
   4  * Copyright 1997             Marcus Meissner
   5  * Copyright 1998, 1999, 2002 Juergen Schmied
   6  * Copyright 2009             Andrew Hill
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifndef _CFSDROPTARGET_H_
  24 #define _CFSDROPTARGET_H_
  25
  26 class CFSDropTarget :
  27     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  28     public IDropTarget
  29 {
  30     private:
  31         UINT cfShellIDList;    /* clipboardformat for IDropTarget */
  32         BOOL fAcceptFmt;       /* flag for pending Drop */
  33         LPWSTR sPathTarget;
  34
  35         BOOL QueryDrop (DWORD dwKeyState, LPDWORD pdwEffect);
  36         virtual HRESULT WINAPI _DoDrop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  37         virtual HRESULT WINAPI CopyItems(IShellFolder *pSFFrom, UINT cidl, LPCITEMIDLIST *apidl, BOOL bCopy);
  38         BOOL GetUniqueFileName(LPWSTR pwszBasePath, LPCWSTR pwszExt, LPWSTR pwszTarget, BOOL bShortcut);
  39         static DWORD WINAPI _DoDropThreadProc(LPVOID lpParameter);
  40
  41     public:
  42         CFSDropTarget();
  43         ~CFSDropTarget();
  44         HRESULT WINAPI Initialize(LPWSTR PathTarget);
  45
  46         // IDropTarget
  47         virtual HRESULT WINAPI DragEnter(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  48         virtual HRESULT WINAPI DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  49         virtual HRESULT WINAPI DragLeave();
  50         virtual HRESULT WINAPI Drop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  51
  52         DECLARE_NOT_AGGREGATABLE(CFSDropTarget)
  53
  54         DECLARE_PROTECT_FINAL_CONSTRUCT()
  55
  56         BEGIN_COM_MAP(CFSDropTarget)
  57         COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
  58         END_COM_MAP()
  59
  60 };
  61
  62 struct _DoDropData {
  63     CFSDropTarget *This;
  64     IStream *pStream;
  65     DWORD dwKeyState;
  66     POINTL pt;
  67     DWORD pdwEffect;
  68 };
  69
  70 HRESULT CFSDropTarget_CreateInstance(LPWSTR sPathTarget, REFIID riid, LPVOID * ppvOut);
  71
  72 #endif /* _CFSFOLDER_H_ */