dll/win32/shell32/folders/CDesktopFolder.h

   1 /*
   2  *    Virtual Desktop Folder
   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 _CDESKTOPFOLDER_H_
  24 #define _CDESKTOPFOLDER_H_
  25
  26 class CDesktopFolder :
  27     public CComCoClass<CDesktopFolder, &CLSID_ShellDesktop>,
  28     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  29     public IShellFolder2,
  30     public IPersistFolder2,
  31     public IDropTarget,
  32     public ISFHelper
  33 {
  34     private:
  35         /* both paths are parsible from the desktop */
  36         LPWSTR sPathTarget;     /* complete path to target used for enumeration and ChangeNotify */
  37         LPITEMIDLIST pidlRoot;  /* absolute pidl */
  38
  39         UINT cfShellIDList;    /* clipboardformat for IDropTarget */
  40         BOOL fAcceptFmt;       /* flag for pending Drop */
  41         BOOL QueryDrop (DWORD dwKeyState, LPDWORD pdwEffect);
  42         void SF_RegisterClipFmt();
  43         virtual HRESULT WINAPI _GetDropTarget(LPCITEMIDLIST pidl, LPVOID *ppvOut);
  44
  45     public:
  46         CDesktopFolder();
  47         ~CDesktopFolder();
  48         HRESULT WINAPI FinalConstruct();
  49
  50         // *** IShellFolder methods ***
  51         virtual HRESULT WINAPI ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes);
  52         virtual HRESULT WINAPI EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList);
  53         virtual HRESULT WINAPI BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
  54         virtual HRESULT WINAPI BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
  55         virtual HRESULT WINAPI CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2);
  56         virtual HRESULT WINAPI CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut);
  57         virtual HRESULT WINAPI GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut);
  58         virtual HRESULT WINAPI GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut);
  59         virtual HRESULT WINAPI GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet);
  60         virtual HRESULT WINAPI SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut);
  61
  62         // *** IShellFolder2 methods ***
  63         virtual HRESULT WINAPI GetDefaultSearchGUID(GUID *pguid);
  64         virtual HRESULT WINAPI EnumSearches(IEnumExtraSearch **ppenum);
  65         virtual HRESULT WINAPI GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay);
  66         virtual HRESULT WINAPI GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags);
  67         virtual HRESULT WINAPI GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv);
  68         virtual HRESULT WINAPI GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd);
  69         virtual HRESULT WINAPI MapColumnToSCID(UINT column, SHCOLUMNID *pscid);
  70
  71         // *** IPersist methods ***
  72         virtual HRESULT WINAPI GetClassID(CLSID *lpClassId);
  73
  74         // *** IPersistFolder methods ***
  75         virtual HRESULT WINAPI Initialize(LPCITEMIDLIST pidl);
  76
  77         // *** IPersistFolder2 methods ***
  78         virtual HRESULT WINAPI GetCurFolder(LPITEMIDLIST * pidl);
  79
  80         // IDropTarget
  81         virtual HRESULT WINAPI DragEnter(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  82         virtual HRESULT WINAPI DragOver(DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  83         virtual HRESULT WINAPI DragLeave();
  84         virtual HRESULT WINAPI Drop(IDataObject *pDataObject, DWORD dwKeyState, POINTL pt, DWORD *pdwEffect);
  85
  86
  87         // *** ISFHelper methods ***
  88         virtual HRESULT WINAPI GetUniqueName(LPWSTR pwszName, UINT uLen);
  89         virtual HRESULT WINAPI AddFolder(HWND hwnd, LPCWSTR pwszName, LPITEMIDLIST *ppidlOut);
  90         virtual HRESULT WINAPI DeleteItems(UINT cidl, LPCITEMIDLIST *apidl);
  91         virtual HRESULT WINAPI CopyItems(IShellFolder *pSFFrom, UINT cidl, LPCITEMIDLIST *apidl, BOOL bCopy);
  92
  93         DECLARE_REGISTRY_RESOURCEID(IDR_SHELLDESKTOP)
  94         DECLARE_NOT_AGGREGATABLE(CDesktopFolder)
  95
  96         DECLARE_PROTECT_FINAL_CONSTRUCT()
  97
  98         BEGIN_COM_MAP(CDesktopFolder)
  99         COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
 100         COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
 101         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder, IPersistFolder)
 102         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder2, IPersistFolder2)
 103         COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
 104         COM_INTERFACE_ENTRY_IID(IID_IDropTarget, IDropTarget)
 105         COM_INTERFACE_ENTRY_IID(IID_ISFHelper, ISFHelper)
 106         END_COM_MAP()
 107 };
 108
 109 #endif /* _CDESKTOPFOLDER_H_ */