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Rev | Author | Line No. | Line |
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2 | daniel-mar | 1 | unit ShellEraseMain; |
2 | |||
3 | interface |
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4 | |||
5 | uses |
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6 | ComServ, SysUtils, ShellAPI, Windows, Registry, ActiveX, ComObj, ShlObj, |
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7 | Graphics, classes, inifiles; |
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8 | |||
9 | const |
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10 | GUID_TDFKontextMenuShellExt: TGUID = '{6B422248-BB90-4682-A128-F088E99AB520}'; |
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11 | |||
12 | type |
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13 | TDFKontextMenuShellExt = class(TComObject, IShellExtInit, IContextMenu) |
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14 | protected |
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15 | function IShellExtInit.Initialize = SEInitialize; |
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16 | function SEInitialize(pidlFolder: PItemIDList; lpdobj: IDataObject; hKeyProgID: HKEY): HResult; stdcall; |
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17 | function QueryContextMenu(Menu: HMENU; indexMenu, idCmdFirst, idCmdLast, uflags: UINT): HResult; stdcall; |
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18 | function InvokeCommand(var lpici: TCMInvokeCommandInfo): HResult; stdcall; |
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19 | function GetCommandString(idCmd, uType: UINT; pwReserved: PUINT; pszName: LPSTR; cchMax: UINT): HResult; stdcall; |
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20 | end; |
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21 | |||
22 | implementation |
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23 | |||
24 | var |
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25 | hBmp: TBitmap; |
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26 | handle: hwnd; |
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27 | vsl: tstringlist; |
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28 | path: string; |
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29 | langini: TIniFile; |
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30 | |||
31 | type |
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32 | TDFKontextMenuShellExtFactory = class(TComObjectFactory) |
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33 | public |
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34 | procedure UpdateRegistry(Register: boolean); override; |
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35 | end; |
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36 | |||
37 | function TDFKontextMenuShellExt.GetCommandString(idCmd, uType: UINT; pwReserved: PUINT; |
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38 | pszName: LPSTR; cchMax: UINT): HResult; |
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39 | begin |
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40 | try |
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41 | if (idCmd = 0) then |
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42 | begin |
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43 | if (uType = GCS_HELPTEXT) then |
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44 | StrCopy(pszName, pchar(langini.ReadString('ShlErase', 'openwith', '?'))); |
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45 | |||
46 | Result := NOERROR; |
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47 | end |
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48 | else |
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49 | Result := E_INVALIDARG; |
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50 | except |
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51 | Result := E_UNEXPECTED; |
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52 | end; |
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53 | end; |
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54 | |||
55 | procedure ProcessMessages(hWnd: DWORD); |
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56 | var |
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57 | Msg: TMsg; |
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58 | begin |
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59 | while PeekMessage(Msg, hWnd, 0, 0, PM_REMOVE) do |
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60 | begin |
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61 | TranslateMessage(Msg); |
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62 | DispatchMessage(Msg); |
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63 | end; |
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64 | end; |
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65 | |||
66 | function ExecuteWithExitCode(filename, params, dir: string): integer; |
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67 | var |
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68 | proc_info: TProcessInformation; |
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69 | startinfo: TStartupInfo; |
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70 | ExitCode: longword; |
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71 | begin |
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72 | FillChar(proc_info, sizeof(TProcessInformation), 0); |
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73 | FillChar(startinfo, sizeof(TStartupInfo), 0); |
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74 | startinfo.cb := sizeof(TStartupInfo); |
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75 | |||
76 | if CreateProcess(nil, pchar(Format('"%s" %s', [filename, TrimRight(pchar(params))])), nil, |
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77 | nil, false, NORMAL_PRIORITY_CLASS, nil, pchar(path), |
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78 | startinfo, proc_info) <> False then |
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79 | begin |
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80 | // WaitForSingleObject(proc_info.hProcess, INFINITE); |
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81 | while WaitForSingleObject(proc_info.hProcess, 0) = WAIT_TIMEOUT do |
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82 | begin |
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83 | ProcessMessages(0); |
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84 | Sleep(50); |
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85 | end; |
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86 | GetExitCodeProcess(proc_info.hProcess, ExitCode); |
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87 | CloseHandle(proc_info.hThread); |
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88 | CloseHandle(proc_info.hProcess); |
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89 | result := ExitCode; |
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90 | end |
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91 | else |
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92 | begin |
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93 | result := -1; |
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94 | end; |
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95 | end; |
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96 | |||
97 | function TDFKontextMenuShellExt.InvokeCommand(var lpici: TCMInvokeCommandInfo): HResult; |
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98 | var |
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99 | i, res: integer; |
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100 | fehler: boolean; |
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101 | begin |
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102 | Result := E_FAIL; |
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103 | if (HiWord(Integer(lpici.lpVerb)) <> 0) then |
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104 | Exit; |
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105 | |||
106 | if not (LoWord(lpici.lpVerb) in [0, 1, 2]) then |
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107 | begin |
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108 | Result := E_INVALIDARG; |
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109 | Exit; |
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110 | end; |
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111 | |||
112 | res := Messagebox(handle, pchar(langini.ReadString('ShlErase', 'sicherheitsfrage', '?')), pchar(langini.ReadString('ShlErase', 'sicherheitsfragecaption', '?')), MB_ICONQUESTION or MB_YESNO); |
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113 | |||
114 | if res = ID_YES then |
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115 | begin |
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116 | if not fileexists(path+'Coder.exe') then |
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117 | Messagebox(handle, pchar(langini.ReadString('ShlErase', 'codermissing', '?')), pchar(langini.ReadString('ShlErase', 'error', '?')), MB_ICONERROR or MB_OK) |
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118 | else |
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119 | begin |
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120 | fehler := false; |
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121 | for i := 0 to vsl.count-1 do |
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122 | begin |
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123 | // ShellExecute(handle, 'open', PChar(path+'Coder.exe'), PChar('"'+vsl.Strings[i]+'" /e /notsilent'), pchar(path), SW_NORMAL); |
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124 | if ExecuteWithExitCode(path+'Coder.exe', '"'+vsl.Strings[i]+'" /e', path) = 8 then |
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125 | fehler := true; |
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126 | end; |
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127 | if fehler then |
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128 | MessageBox(handle, pchar(langini.ReadString('ShlErase', 'delerror', '?')), pchar(langini.ReadString('ShlErase', 'error', '?')), MB_OK + MB_ICONERROR) |
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129 | else |
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130 | MessageBox(handle, pchar(langini.ReadString('ShlErase', 'delok', '?')), pchar(langini.ReadString('ShlErase', 'information', '?')), MB_OK + MB_ICONINFORMATION); |
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131 | end; |
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132 | end; |
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133 | |||
134 | Result := NOERROR; |
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135 | end; |
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136 | |||
137 | function TDFKontextMenuShellExt.QueryContextMenu(Menu: HMENU; indexMenu, |
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138 | idCmdFirst, idCmdLast, uflags: UINT): HResult; |
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139 | begin |
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140 | Result := 0; |
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141 | |||
142 | if ((uFlags and $0000000F) = CMF_NORMAL) or |
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143 | ((uFlags and CMF_EXPLORE) <> 0) or |
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144 | ((uFlags and CMF_VERBSONLY <> 0)) then |
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145 | begin |
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146 | InsertMenu(Menu, indexMenu, MF_STRING or MF_BYPOSITION, idCmdFirst, pchar(langini.readstring('ShlErase', 'context', '?'))); |
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147 | |||
148 | if hBmp.Handle <> 0 then |
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149 | SetMenuItemBitmaps(Menu, indexMenu, MF_BYPOSITION, hBmp.Handle, hBmp.Handle); |
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150 | |||
151 | Result := 1; |
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152 | end; |
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153 | end; |
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154 | |||
155 | function TDFKontextMenuShellExt.SEInitialize(pidlFolder: PItemIDList; |
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156 | lpdobj: IDataObject; hKeyProgID: HKEY): HResult; |
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157 | var |
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158 | StgMedium: TStgMedium; |
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159 | FormatEtc: TFormatEtc; |
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160 | FFileName: array[0..MAX_PATH] of Char; |
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161 | i: Integer; |
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162 | begin |
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163 | if (lpdobj = nil) then |
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164 | begin |
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165 | Result := E_INVALIDARG; |
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166 | Exit; |
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167 | end; |
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168 | |||
169 | with FormatEtc do |
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170 | begin |
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171 | cfFormat := CF_HDROP; |
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172 | ptd := nil; |
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173 | dwAspect := DVASPECT_CONTENT; |
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174 | lindex := -1; |
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175 | tymed := TYMED_HGLOBAL; |
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176 | end; |
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177 | |||
178 | Result := lpdobj.GetData(FormatEtc, StgMedium); |
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179 | if Failed(Result) then |
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180 | Exit; |
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181 | |||
182 | vsl := tstringlist.Create; |
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183 | |||
184 | vSL.Clear; |
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185 | for i := 0 to DragQueryFile(StgMedium.hGlobal, $FFFFFFFF, nil, 0) - 1 do |
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186 | begin |
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187 | DragQueryFile(StgMedium.hGlobal, i, FFileName, SizeOf(FFileName)); |
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188 | vSl.Add(FFileName); |
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189 | end; |
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190 | |||
191 | ReleaseStgMedium(StgMedium); |
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192 | Result := NOERROR; |
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193 | end; |
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194 | |||
195 | procedure TDFKontextMenuShellExtFactory.UpdateRegistry(Register: boolean); |
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196 | var |
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197 | ClassID: string; |
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198 | begin |
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199 | ClassID := GUIDToString(GUID_TDFKontextMenuShellExt); |
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200 | |||
201 | if Register then |
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202 | begin |
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203 | inherited UpdateRegistry(Register); |
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204 | |||
205 | CreateRegKey('Folder\shellex', '', ''); |
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206 | CreateRegKey('Folder\shellex\ContextMenuHandlers', '', ''); |
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207 | CreateRegKey('Folder\shellex\ContextMenuHandlers\(De)Coder-Erase', '', ClassID); |
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208 | |||
209 | CreateRegKey('*\shellex', '', ''); |
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210 | CreateRegKey('*\shellex\ContextMenuHandlers', '', ''); |
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211 | CreateRegKey('*\shellex\ContextMenuHandlers\(De)Coder-Erase', '', ClassID); |
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212 | |||
213 | if (Win32Platform = VER_PLATFORM_WIN32_NT) then |
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214 | with TRegistry.Create do |
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215 | try |
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216 | RootKey := HKEY_LOCAL_MACHINE; |
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217 | OpenKey('SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved', True); |
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218 | WriteString(ClassID, '(De)Coder-Erase'); |
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219 | CloseKey; |
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220 | finally |
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221 | Free; |
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222 | end; |
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223 | end |
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224 | else |
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225 | begin |
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226 | DeleteRegKey('Folder\shellex\ContextMenuHandlers\(De)Coder-Erase'); |
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227 | DeleteRegKey('Folder\shellex\ContextMenuHandlers'); |
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228 | DeleteRegKey('Folder\shellex'); |
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229 | |||
230 | DeleteRegKey('*\shellex\ContextMenuHandlers\(De)Coder-Erase'); |
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231 | DeleteRegKey('*\shellex\ContextMenuHandlers'); |
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232 | DeleteRegKey('*\shellex'); |
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233 | |||
234 | if (Win32Platform = VER_PLATFORM_WIN32_NT) then |
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235 | with TRegistry.Create do |
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236 | try |
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237 | RootKey := HKEY_LOCAL_MACHINE; |
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238 | OpenKey('SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved', True); |
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239 | DeleteValue(ClassID); |
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240 | CloseKey; |
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241 | finally |
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242 | Free; |
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243 | end; |
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244 | |||
245 | inherited UpdateRegistry(Register); |
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246 | end; |
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247 | end; |
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248 | |||
249 | initialization |
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250 | // Initialisierung |
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251 | TDFKontextMenuShellExtFactory.Create(ComServer, TDFKontextMenuShellExt, GUID_TDFKontextMenuShellExt, |
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252 | '', '(De)Coder Eraser', ciMultiInstance, tmApartment); |
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253 | hBmp := TBitmap.Create; |
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254 | hBmp.LoadFromResourceName(hInstance, 'KONTEXTICON'); |
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255 | |||
256 | path := ''; |
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257 | |||
258 | // Pfad ermitteln |
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259 | with TRegistry.Create do |
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260 | try |
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261 | RootKey := HKEY_CURRENT_USER; |
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262 | OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\(De)Coder_is1'); |
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263 | path := ReadString('InstallLocation'); |
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264 | CloseKey; |
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265 | if path = '' then |
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266 | begin |
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267 | RootKey := HKEY_LOCAL_MACHINE; |
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268 | OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\(De)Coder_is1'); |
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269 | path := ReadString('InstallLocation'); |
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270 | CloseKey; |
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271 | end; |
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272 | finally |
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273 | free; |
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274 | end; |
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275 | |||
276 | // Language.ini öffnen |
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277 | langini := TIniFile.Create(path+'Language.ini'); |
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278 | |||
279 | finalization |
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280 | hBmp.Free; |
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281 | langini.Free; |
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282 | end. |
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283 |