xref: /reactos/dll/shellext/ntobjshex/regfolder.h (revision f986527d) 
1 /*
2  * PROJECT:     ReactOS shell extensions
3  * LICENSE:     GPL - See COPYING in the top level directory
4  * FILE:        dll/shellext/ntobjshex/regfolder.h
5  * PURPOSE:     NT Object Namespace shell extension
6  * PROGRAMMERS: David Quintana <gigaherz@gmail.com>
7  */
8 #pragma once
9 
10 extern const GUID CLSID_RegistryFolder;
11 
12 class CRegistryFolderExtractIcon :
13     public CComObjectRootEx<CComMultiThreadModelNoCS>,
14     public IExtractIconW
15 {
16     PCIDLIST_ABSOLUTE m_pcidlFolder;
17     PCITEMID_CHILD    m_pcidlChild;
18 
19 public:
20     CRegistryFolderExtractIcon();
21 
22     virtual ~CRegistryFolderExtractIcon();
23 
24     HRESULT Initialize(LPCWSTR ntPath, PCIDLIST_ABSOLUTE parent, UINT cidl, PCUITEMID_CHILD_ARRAY apidl);
25 
26     virtual HRESULT STDMETHODCALLTYPE GetIconLocation(
27         UINT uFlags,
28         LPWSTR szIconFile,
29         UINT cchMax,
30         INT *piIndex,
31         UINT *pwFlags);
32 
33     virtual HRESULT STDMETHODCALLTYPE Extract(
34         LPCWSTR pszFile,
35         UINT nIconIndex,
36         HICON *phiconLarge,
37         HICON *phiconSmall,
38         UINT nIconSize);
39 
40     DECLARE_NOT_AGGREGATABLE(CRegistryFolderExtractIcon)
41     DECLARE_PROTECT_FINAL_CONSTRUCT()
42 
43     BEGIN_COM_MAP(CRegistryFolderExtractIcon)
44         COM_INTERFACE_ENTRY_IID(IID_IExtractIconW, IExtractIconW)
45     END_COM_MAP()
46 
47 };
48 
49 class CRegistryFolder :
50     public CComCoClass<CRegistryFolder, &CLSID_RegistryFolder>,
51     public CCommonFolder<CRegistryFolder, RegPidlEntry, CRegistryFolderExtractIcon>
52 {
53     HKEY m_hRoot;
54 
55 public:
56     DECLARE_REGISTRY_RESOURCEID(IDR_REGISTRYFOLDER)
57 
58     CRegistryFolder();
59     virtual ~CRegistryFolder();
60 
61     // IShellFolder
62     virtual HRESULT STDMETHODCALLTYPE EnumObjects(
63         HWND hwndOwner,
64         SHCONTF grfFlags,
65         IEnumIDList **ppenumIDList);
66 
67 protected:
68     virtual HRESULT STDMETHODCALLTYPE InternalBindToObject(
69         PWSTR path,
70         const RegPidlEntry * info,
71         LPITEMIDLIST first,
72         LPCITEMIDLIST rest,
73         LPITEMIDLIST fullPidl,
74         LPBC pbcReserved,
75         IShellFolder** ppsfChild);
76 
77 public:
78     virtual HRESULT STDMETHODCALLTYPE GetDefaultColumnState(
79         UINT iColumn,
80         SHCOLSTATEF *pcsFlags);
81 
82     virtual HRESULT STDMETHODCALLTYPE GetDetailsEx(
83         LPCITEMIDLIST pidl,
84         const SHCOLUMNID *pscid,
85         VARIANT *pv);
86 
87     virtual HRESULT STDMETHODCALLTYPE GetDetailsOf(
88         LPCITEMIDLIST pidl,
89         UINT iColumn,
90         SHELLDETAILS *psd);
91 
92     virtual HRESULT STDMETHODCALLTYPE MapColumnToSCID(
93         UINT iColumn,
94         SHCOLUMNID *pscid);
95 
96     // IPersistFolder
97     virtual HRESULT STDMETHODCALLTYPE Initialize(PCIDLIST_ABSOLUTE pidl);
98 
99     // Internal
100     virtual HRESULT STDMETHODCALLTYPE Initialize(PCIDLIST_ABSOLUTE pidl, PCWSTR ntPath, HKEY hRoot);
101 
102 protected:
103     virtual HRESULT STDMETHODCALLTYPE CompareIDs(LPARAM lParam, const RegPidlEntry * first, const RegPidlEntry * second);
104     virtual ULONG STDMETHODCALLTYPE ConvertAttributes(const RegPidlEntry * entry, PULONG inMask);
105     virtual BOOL STDMETHODCALLTYPE IsFolder(const RegPidlEntry * info);
106 
107     virtual HRESULT GetInfoFromPidl(LPCITEMIDLIST pcidl, const RegPidlEntry ** pentry);
108 
109     HRESULT FormatValueData(DWORD contentType, PVOID td, DWORD contentsLength, PCWSTR * strContents);
110 
111     HRESULT FormatContentsForDisplay(const RegPidlEntry * info, HKEY rootKey, LPCWSTR ntPath, PCWSTR * strContents);
112 };
113