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         STDMETHOD(GetClassID)(CLSID *pClassID) override;
49         STDMETHOD(Initialize)(PCIDLIST_ABSOLUTE pidl) override;
50 
51         // IPersistFolder2
52         STDMETHOD(GetCurFolder)(PIDLIST_ABSOLUTE * pidl) override;
53 
54         // IShellFolder
55         STDMETHOD(ParseDisplayName)(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes) override;
56         STDMETHOD(EnumObjects)(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList) override;
57         STDMETHOD(BindToObject)(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override;
58         STDMETHOD(BindToStorage)(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override;
59         STDMETHOD(CompareIDs)(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2) override;
60         STDMETHOD(CreateViewObject)(HWND hwndOwner, REFIID riid, LPVOID *ppvOut) override;
61         STDMETHOD(GetAttributesOf)(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut) override;
62         STDMETHOD(GetUIObjectOf)(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut) override;
63         STDMETHOD(GetDisplayNameOf)(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet) override;
64         STDMETHOD(SetNameOf)(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut) override;
65 
66         // IShellFolder2
67         STDMETHOD(GetDefaultSearchGUID)(GUID *pguid) override;
68         STDMETHOD(EnumSearches)(IEnumExtraSearch **ppenum) override;
69         STDMETHOD(GetDefaultColumn)(DWORD dwRes, ULONG *pSort, ULONG *pDisplay) override;
70         STDMETHOD(GetDefaultColumnState)(UINT iColumn, DWORD *pcsFlags) override;
71         STDMETHOD(GetDetailsEx)(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv) override;
72         STDMETHOD(GetDetailsOf)(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd) override;
73         STDMETHOD(MapColumnToSCID)(UINT column, SHCOLUMNID *pscid) override;
74 
75         // IContextMenu
76         STDMETHOD(QueryContextMenu)(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags) override;
77         STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO lpcmi) override;
78         STDMETHOD(GetCommandString)(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen) override;
79 
80         // IShellPropSheetExt
81         STDMETHOD(AddPages)(LPFNSVADDPROPSHEETPAGE pfnAddPage, LPARAM lParam) override;
82         STDMETHOD(ReplacePage)(EXPPS uPageID, LPFNSVADDPROPSHEETPAGE pfnReplaceWith, LPARAM lParam) override;
83 
84         // IShellExtInit
85         STDMETHOD(Initialize)(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID) override;
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