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 IContextMenuCB
32 {
33     private:
34         /* both paths are parsible from the desktop */
35         CComPtr<IShellFolder2> m_DesktopFSFolder;
36         CComPtr<IShellFolder2> m_SharedDesktopFSFolder;
37         CComPtr<IShellFolder2> m_regFolder;
38 
39         LPWSTR sPathTarget;     /* complete path to target used for enumeration and ChangeNotify */
40         LPITEMIDLIST pidlRoot;  /* absolute pidl */
41 
42         HRESULT _GetSFFromPidl(LPCITEMIDLIST pidl, IShellFolder2** psf);
43 
44     public:
45         CDesktopFolder();
46         ~CDesktopFolder();
47         HRESULT WINAPI FinalConstruct();
48 
49         // *** IShellFolder methods ***
50         virtual HRESULT WINAPI ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes);
51         virtual HRESULT WINAPI EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList);
52         virtual HRESULT WINAPI BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
53         virtual HRESULT WINAPI BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
54         virtual HRESULT WINAPI CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2);
55         virtual HRESULT WINAPI CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut);
56         virtual HRESULT WINAPI GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut);
57         virtual HRESULT WINAPI GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut);
58         virtual HRESULT WINAPI GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet);
59         virtual HRESULT WINAPI SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut);
60 
61         // *** IShellFolder2 methods ***
62         virtual HRESULT WINAPI GetDefaultSearchGUID(GUID *pguid);
63         virtual HRESULT WINAPI EnumSearches(IEnumExtraSearch **ppenum);
64         virtual HRESULT WINAPI GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay);
65         virtual HRESULT WINAPI GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags);
66         virtual HRESULT WINAPI GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv);
67         virtual HRESULT WINAPI GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd);
68         virtual HRESULT WINAPI MapColumnToSCID(UINT column, SHCOLUMNID *pscid);
69 
70         // *** IPersist methods ***
71         virtual HRESULT WINAPI GetClassID(CLSID *lpClassId);
72 
73         // *** IPersistFolder methods ***
74         virtual HRESULT WINAPI Initialize(LPCITEMIDLIST pidl);
75 
76         // *** IPersistFolder2 methods ***
77         virtual HRESULT WINAPI GetCurFolder(LPITEMIDLIST * pidl);
78 
79         // IContextMenuCB
80         virtual HRESULT WINAPI CallBack(IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam);
81 
82         DECLARE_REGISTRY_RESOURCEID(IDR_SHELLDESKTOP)
83         DECLARE_CENTRAL_INSTANCE_NOT_AGGREGATABLE(CDesktopFolder)
84 
85         DECLARE_PROTECT_FINAL_CONSTRUCT()
86 
87         BEGIN_COM_MAP(CDesktopFolder)
88         COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
89         COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
90         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder, IPersistFolder)
91         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder2, IPersistFolder2)
92         COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
93         END_COM_MAP()
94 };
95 
96 #endif /* _CDESKTOPFOLDER_H_ */
97