dll/win32/shell32/filedefext.h

   1 /*
   2  * Provides default file shell extension
   3  *
   4  * Copyright 2012 Rafal Harabien
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef _FILE_DEF_EXT_H_
  22 #define _FILE_DEF_EXT_H_
  23
  24 class CFileVersionInfo
  25 {
  26     private:
  27         PVOID m_pInfo;
  28         WORD m_wLang, m_wCode;
  29         WCHAR m_wszLang[64];
  30
  31         typedef struct _LANGANDCODEPAGE_
  32         {
  33             WORD wLang;
  34             WORD wCode;
  35         } LANGANDCODEPAGE, *LPLANGANDCODEPAGE;
  36
  37     public:
  38         inline CFileVersionInfo():
  39             m_pInfo(NULL), m_wLang(0), m_wCode(0)
  40         {
  41             m_wszLang[0] = L'\0';
  42         }
  43
  44         inline ~CFileVersionInfo()
  45         {
  46             if (m_pInfo)
  47                 HeapFree(GetProcessHeap(), 0, m_pInfo);
  48         }
  49
  50         BOOL Load(LPCWSTR pwszPath);
  51         LPCWSTR GetString(LPCWSTR pwszName);
  52         VS_FIXEDFILEINFO *GetFixedInfo();
  53         LPCWSTR GetLangName();
  54 };
  55
  56 class CFileDefExt :
  57         public CComCoClass<CFileDefExt, &CLSID_ShellFileDefExt>,
  58         public CComObjectRootEx<CComMultiThreadModelNoCS>,
  59         public IShellExtInit,
  60         public IContextMenu,
  61         public IShellPropSheetExt,
  62         public IObjectWithSite
  63 {
  64 private:
  65     VOID InitOpensWithField(HWND hwndDlg);
  66     BOOL InitFileType(HWND hwndDlg);
  67     BOOL InitFilePath(HWND hwndDlg);
  68     static BOOL GetFileTimeString(LPFILETIME lpFileTime, LPWSTR pwszResult, UINT cchResult);
  69     BOOL InitFileAttr(HWND hwndDlg);
  70     BOOL InitGeneralPage(HWND hwndDlg);
  71     BOOL SetVersionLabel(HWND hwndDlg, DWORD idCtrl, LPCWSTR pwszName);
  72     BOOL AddVersionString(HWND hwndDlg, LPCWSTR pwszName);
  73     BOOL InitVersionPage(HWND hwndDlg);
  74     static INT_PTR CALLBACK GeneralPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
  75         static INT_PTR CALLBACK VersionPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
  76         BOOL CountFolderAndFiles(LPWSTR pwszBuf, UINT cchBufMax);
  77
  78         WCHAR m_wszPath[MAX_PATH];
  79         CFileVersionInfo m_VerInfo;
  80         BOOL m_bDir;
  81
  82         DWORD m_cFiles;
  83     DWORD m_cFolders;
  84     ULARGE_INTEGER m_DirSize;
  85
  86 public:
  87         CFileDefExt();
  88         ~CFileDefExt();
  89
  90         // IShellExtInit
  91         virtual HRESULT STDMETHODCALLTYPE Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID);
  92
  93     // IContextMenu
  94         virtual HRESULT WINAPI QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags);
  95         virtual HRESULT WINAPI InvokeCommand(LPCMINVOKECOMMANDINFO lpici);
  96         virtual HRESULT WINAPI GetCommandString(UINT_PTR idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax);
  97
  98         // IShellPropSheetExt
  99         virtual HRESULT WINAPI AddPages(LPFNADDPROPSHEETPAGE pfnAddPage, LPARAM lParam);
 100         virtual HRESULT WINAPI ReplacePage(UINT uPageID, LPFNADDPROPSHEETPAGE pfnReplacePage, LPARAM lParam);
 101
 102     // IObjectWithSite
 103         virtual HRESULT WINAPI SetSite(IUnknown *punk);
 104         virtual HRESULT WINAPI GetSite(REFIID iid, void **ppvSite);
 105
 106 DECLARE_REGISTRY_RESOURCEID(IDR_FILEDEFEXT)
 107 DECLARE_NOT_AGGREGATABLE(CFileDefExt)
 108
 109 DECLARE_PROTECT_FINAL_CONSTRUCT()
 110
 111 BEGIN_COM_MAP(CFileDefExt)
 112         COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
 113         COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
 114         COM_INTERFACE_ENTRY_IID(IID_IShellPropSheetExt, IShellPropSheetExt)
 115         COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
 116 END_COM_MAP()
 117 };
 118
 119 #endif // _FILE_DEF_EXT_H_