xref: /reactos/dll/win32/shell32/CNewMenu.h (revision 49b2b1da)
1 /*
2  * provides new shell item service
3  *
4  * Copyright 2007 Johannes Anderwald (johannes.anderwald@reactos.org)
5  * Copyright 2009 Andrew Hill
6  * Copyright 2012 Rafal Harabien
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 _SHV_ITEM_NEW_H_
24 #define _SHV_ITEM_NEW_H_
25 
26 const WCHAR ShellNewKey[] = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Discardable\\PostSetup\\ShellNew";
27 
28 class CNewMenu :
29     public CComCoClass<CNewMenu, &CLSID_NewMenu>,
30     public CComObjectRootEx<CComMultiThreadModelNoCS>,
31     public IObjectWithSite,
32     public IContextMenu3,
33     public IShellExtInit
34 {
35 private:
36     enum SHELLNEW_TYPE
37     {
38         SHELLNEW_TYPE_INVALID = -1,
39         SHELLNEW_TYPE_COMMAND = 1,
40         SHELLNEW_TYPE_DATA = 2,
41         SHELLNEW_TYPE_FILENAME = 4,
42         SHELLNEW_TYPE_NULLFILE = 8
43     };
44 
45     struct SHELLNEW_ITEM
46     {
47         SHELLNEW_TYPE Type;
48         LPWSTR pwszExt;
49         PBYTE pData;
50         ULONG cbData;
51         LPWSTR pwszDesc;
52         HICON hIcon;
53         SHELLNEW_ITEM *pNext;
54     };
55 
56     LPITEMIDLIST m_pidlFolder;
57     SHELLNEW_ITEM *m_pItems;
58     SHELLNEW_ITEM *m_pLinkItem; // Points to the link handler item in the m_pItems list.
59     CComPtr<IUnknown> m_pSite;
60     HMENU m_hSubMenu;
61     UINT m_idCmdFirst, m_idCmdFolder, m_idCmdLink;
62     BOOL m_bCustomIconFolder, m_bCustomIconLink;
63     HICON m_hIconFolder, m_hIconLink;
64 
65     SHELLNEW_ITEM *LoadItem(LPCWSTR pwszExt);
66     void UnloadItem(SHELLNEW_ITEM *pItem);
67     void UnloadAllItems();
68     BOOL CacheItems();
69     BOOL LoadCachedItems();
70     BOOL LoadAllItems();
71     UINT InsertShellNewItems(HMENU hMenu, UINT idFirst, UINT idMenu);
72     SHELLNEW_ITEM *FindItemFromIdOffset(UINT IdOffset);
73     HRESULT CreateNewFolder(LPCMINVOKECOMMANDINFO lpici);
74     HRESULT CreateNewItem(SHELLNEW_ITEM *pItem, LPCMINVOKECOMMANDINFO lpcmi);
75     HRESULT SelectNewItem(LONG wEventId, UINT uFlags, LPWSTR pszName, BOOL bRename);
76     HRESULT NewItemByCommand(SHELLNEW_ITEM *pItem, LPCWSTR wszPath);
77     HRESULT NewItemByNonCommand(SHELLNEW_ITEM *pItem, LPWSTR wszName,
78                                 DWORD cchNameMax, LPCWSTR wszPath);
79 
80 public:
81     CNewMenu();
82     ~CNewMenu();
83 
84     // IObjectWithSite
85     STDMETHOD(SetSite)(IUnknown *pUnkSite) override;
86     STDMETHOD(GetSite)(REFIID riid, void **ppvSite) override;
87 
88     // IContextMenu
89     STDMETHOD(QueryContextMenu)(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags) override;
90     STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO lpcmi) override;
91     STDMETHOD(GetCommandString)(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen) override;
92 
93     // IContextMenu3
94     STDMETHOD(HandleMenuMsg2)(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *plResult) override;
95 
96     // IContextMenu2
97     STDMETHOD(HandleMenuMsg)(UINT uMsg, WPARAM wParam, LPARAM lParam) override;
98 
99     // IShellExtInit
100     STDMETHOD(Initialize)(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID) override;
101 
102 DECLARE_REGISTRY_RESOURCEID(IDR_NEWMENU)
103 DECLARE_NOT_AGGREGATABLE(CNewMenu)
104 
105 DECLARE_PROTECT_FINAL_CONSTRUCT()
106 
107 BEGIN_COM_MAP(CNewMenu)
108     COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
109     COM_INTERFACE_ENTRY_IID(IID_IContextMenu3, IContextMenu3)
110     COM_INTERFACE_ENTRY_IID(IID_IContextMenu2, IContextMenu2)
111     COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
112     COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
113 END_COM_MAP()
114 };
115 
116 #endif /* _SHV_ITEM_NEW_H_ */
117