1 /*
2  * Trash virtual folder support. The trashing engine is implemented in trash.c
3  *
4  * Copyright (C) 2006 Mikolaj Zalewski
5  * Copyright (C) 2009 Andrew Hill
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 #ifndef _SHFLDR_RECYCLEBIN_H_
23 #define _SHFLDR_RECYCLEBIN_H_
24 
25 BOOL TRASH_CanTrashFile(LPCWSTR wszPath);
26 BOOL TRASH_TrashFile(LPCWSTR wszPath);
27 HRESULT CRecyclerDropTarget_CreateInstance(REFIID riid, LPVOID * ppvOut);
28 
29 class CRecycleBin :
30     public CComCoClass<CRecycleBin, &CLSID_RecycleBin>,
31     public CComObjectRootEx<CComMultiThreadModelNoCS>,
32     public IShellFolder2,
33     public IPersistFolder2,
34     public IContextMenu,
35     public IShellPropSheetExt,
36     public IShellExtInit
37 {
38     private:
39         LPITEMIDLIST pidl;
40         INT iIdEmpty;
41         BOOL RecycleBinIsEmpty();
42 
43     public:
44         CRecycleBin();
45         ~CRecycleBin();
46 
47         // IPersistFolder
48         virtual HRESULT WINAPI GetClassID(CLSID *pClassID);
49         virtual HRESULT WINAPI Initialize(PCIDLIST_ABSOLUTE pidl);
50 
51         // IPersistFolder2
52         virtual HRESULT WINAPI GetCurFolder(PIDLIST_ABSOLUTE * pidl);
53 
54         // IShellFolder
55         virtual HRESULT WINAPI ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes);
56         virtual HRESULT WINAPI EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList);
57         virtual HRESULT WINAPI BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
58         virtual HRESULT WINAPI BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
59         virtual HRESULT WINAPI CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2);
60         virtual HRESULT WINAPI CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut);
61         virtual HRESULT WINAPI GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut);
62         virtual HRESULT WINAPI GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut);
63         virtual HRESULT WINAPI GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet);
64         virtual HRESULT WINAPI SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut);
65 
66         // IShellFolder2
67         virtual HRESULT WINAPI GetDefaultSearchGUID(GUID *pguid);
68         virtual HRESULT WINAPI EnumSearches(IEnumExtraSearch **ppenum);
69         virtual HRESULT WINAPI GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay);
70         virtual HRESULT WINAPI GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags);
71         virtual HRESULT WINAPI GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv);
72         virtual HRESULT WINAPI GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd);
73         virtual HRESULT WINAPI MapColumnToSCID(UINT column, SHCOLUMNID *pscid);
74 
75         // IContextMenu
76         virtual HRESULT WINAPI QueryContextMenu(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
77         virtual HRESULT WINAPI InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi);
78         virtual HRESULT WINAPI GetCommandString(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen);
79 
80         // IShellPropSheetExt
81         virtual HRESULT WINAPI AddPages(LPFNSVADDPROPSHEETPAGE pfnAddPage, LPARAM lParam);
82         virtual HRESULT WINAPI ReplacePage(EXPPS uPageID, LPFNSVADDPROPSHEETPAGE pfnReplaceWith, LPARAM lParam);
83 
84         // IShellExtInit
85         virtual HRESULT STDMETHODCALLTYPE Initialize(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID);
86 
87         DECLARE_REGISTRY_RESOURCEID(IDR_RECYCLEBIN)
88         DECLARE_NOT_AGGREGATABLE(CRecycleBin)
89 
90         DECLARE_PROTECT_FINAL_CONSTRUCT()
91 
92         BEGIN_COM_MAP(CRecycleBin)
93         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder, IPersistFolder)
94         COM_INTERFACE_ENTRY_IID(IID_IPersistFolder2, IPersistFolder2)
95         COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
96         COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
97         COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
98         COM_INTERFACE_ENTRY_IID(IID_IShellPropSheetExt, IShellPropSheetExt)
99         COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
100         END_COM_MAP()
101 };
102 
103 #endif /* _SHFLDR_RECYCLEBIN_H_ */
104