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1 | unit RecBinUnit2 platform; |
1 | unit RecBinUnit2 platform; |
2 | 2 | ||
3 | //////////////////////////////////////////////////////////////////////////////////// |
3 | //////////////////////////////////////////////////////////////////////////////////// |
4 | // RECYCLE-BIN-UNIT V2 BY DANIEL MARSCHALL, VIATHINKSOFT // |
4 | // RECYCLE-BIN-UNIT V2 BY DANIEL MARSCHALL, VIATHINKSOFT // |
5 | // E-MAIL: info@daniel-marschall.de // |
5 | // E-MAIL: info@daniel-marschall.de // |
6 | // Web: www.daniel-marschall.de & www.viathinksoft.de // |
6 | // Web: www.daniel-marschall.de & www.viathinksoft.de // |
7 | //////////////////////////////////////////////////////////////////////////////////// |
7 | //////////////////////////////////////////////////////////////////////////////////// |
8 | // Revision: 30 JUN 2022 // |
8 | // Revision: 30 JUN 2022 // |
9 | // This unit is freeware, but please link to my website if you are using it! // |
9 | // This unit is freeware, but please link to my website if you are using it! // |
10 | //////////////////////////////////////////////////////////////////////////////////// |
10 | //////////////////////////////////////////////////////////////////////////////////// |
11 | // Successfully tested with: // |
11 | // Successfully tested with: // |
12 | // Windows 95b (without IE4 Shell Extensions) // |
12 | // Windows 95b (without IE4 Shell Extensions) // |
13 | // Windows 95b (with IE4 Shell Extensions) // |
13 | // Windows 95b (with IE4 Shell Extensions) // |
14 | // Windows 98 SE // |
14 | // Windows 98 SE // |
15 | // Windows NT4 SP6 // |
15 | // Windows NT4 SP6 // |
16 | // Windows XP SP3 // |
16 | // Windows XP SP3 // |
17 | // Windows 2000 SP4 // |
17 | // Windows 2000 SP4 // |
18 | // Windows 2003 Server EE SP1 // |
18 | // Windows 2003 Server EE SP1 // |
19 | // Windows Vista // |
19 | // Windows Vista // |
20 | // Windows 7 // |
20 | // Windows 7 // |
21 | // Windows 10 (version 1 and version 2 format) // |
21 | // Windows 10 (version 1 and version 2 format) // |
22 | // Windows 11 // |
22 | // Windows 11 // |
23 | //////////////////////////////////////////////////////////////////////////////////// |
23 | //////////////////////////////////////////////////////////////////////////////////// |
24 | 24 | ||
25 | // Delphi 7 Compatibility: (TODO: compiler switches) |
25 | // Delphi 7 Compatibility: (TODO: compiler switches) |
26 | // - Remove "static" |
26 | // - Remove "static" |
27 | // - Remove "strict" |
27 | // - Remove "strict" |
28 | // - Remove "$REGION" |
28 | // - Remove "$REGION" |
29 | 29 | ||
30 | // TODO: ReadBuffer überall try-except |
30 | // TODO: ReadBuffer überall try-except |
31 | // TODO: Always check EOF before reading anything? |
31 | // TODO: Always check EOF before reading anything? |
32 | // TODO: Don't crash when timestamp is invalid. Do something else instead. |
32 | // TODO: Don't crash when timestamp is invalid. Do something else instead. |
33 | // TODO: Is it possible to identify a Vista-file that is not named $Ixxxxxx.ext? |
33 | // TODO: Is it possible to identify a Vista-file that is not named $Ixxxxxx.ext? |
34 | // TODO: RecyclerGetInfofiles() check additionally for removable device? |
34 | // TODO: RecyclerGetInfofiles() check additionally for removable device? |
35 | // RecyclerIsValid() is false. |
35 | // RecyclerIsValid() is false. |
36 | // TODO: Make it possible to empty the recycle bin of one specific drive! |
36 | // TODO: Make it possible to empty the recycle bin of one specific drive! |
37 | // TODO: Unknown! Do you know the answer? |
37 | // TODO: Unknown! Do you know the answer? |
38 | // - How does Windows 9x/NT manage the daylight saving time (if it does)? |
38 | // - How does Windows 9x/NT manage the daylight saving time (if it does)? |
39 | // - How does Windows Vista+ react to a RECYCLER\ folder on a NTFS device? |
39 | // - How does Windows Vista+ react to a RECYCLER\ folder on a NTFS device? |
40 | // - How does Windows Vista+ react to a RECYCLED\ folder on a FAT device? ==> Win7: is ignored! |
40 | // - How does Windows Vista+ react to a RECYCLED\ folder on a FAT device? ==> Win7: is ignored! |
41 | // - How does Windows XP react to RECYCLED\ folder on a FAT device? |
41 | // - How does Windows XP react to RECYCLED\ folder on a FAT device? |
42 | // TODO: Translate all comments from German to English |
42 | // TODO: Translate all comments from German to English |
43 | // TODO: Do we need this (maybe not all drives have A: till Z:?) http://stackoverflow.com/questions/17110543/how-to-retrieve-the-disk-signature-of-all-the-disks-in-windows-using-delphi-7 |
43 | // TODO: Do we need this (maybe not all drives have A: till Z:?) http://stackoverflow.com/questions/17110543/how-to-retrieve-the-disk-signature-of-all-the-disks-in-windows-using-delphi-7 |
44 | // TODO: Add a lot of setters for system config stuff |
44 | // TODO: Add a lot of setters for system config stuff |
45 | 45 | ||
46 | // If enabled, the deletion timestamps will not be converted by the WinAPI. |
46 | // If enabled, the deletion timestamps will not be converted by the WinAPI. |
47 | {.$DEFINE FILETIME_DELPHI_CODE} |
47 | {.$DEFINE FILETIME_DELPHI_CODE} |
48 | 48 | ||
49 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, even if gpedit.msc shows "Not configured"! |
49 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, even if gpedit.msc shows "Not configured"! |
50 | {$DEFINE GroupPolicyAcceptHKLMTrick} |
50 | {$DEFINE GroupPolicyAcceptHKLMTrick} |
51 | 51 | ||
52 | interface |
52 | interface |
53 | 53 | ||
54 | uses |
54 | uses |
55 | Windows, SysUtils, Classes, ContNrs, ShellAPI, Registry, Messages, Math; |
55 | Windows, SysUtils, Classes, ContNrs, ShellAPI, Registry, Messages, Math; |
56 | 56 | ||
57 | const |
57 | const |
58 | RECBINUNIT_VERSION = '2022-06-30'; |
58 | RECBINUNIT_VERSION = '2022-06-30'; |
59 | 59 | ||
60 | RECYCLER_CLSID: TGUID = '{645FF040-5081-101B-9F08-00AA002F954E}'; |
60 | RECYCLER_CLSID: TGUID = '{645FF040-5081-101B-9F08-00AA002F954E}'; |
61 | NULL_GUID: TGUID = '{00000000-0000-0000-0000-000000000000}'; |
61 | NULL_GUID: TGUID = '{00000000-0000-0000-0000-000000000000}'; |
62 | 62 | ||
63 | type |
63 | type |
64 | EAPICallError = class(Exception); |
64 | EAPICallError = class(Exception); |
65 | EEventCategoryNotDefined = class(Exception); |
65 | EEventCategoryNotDefined = class(Exception); |
66 | EInvalidDrive = class(Exception); |
66 | EInvalidDrive = class(Exception); |
67 | 67 | ||
68 | PSHQueryRBInfo = ^TSHQueryRBInfo; |
68 | PSHQueryRBInfo = ^TSHQueryRBInfo; |
69 | TSHQueryRBInfo = packed record |
69 | TSHQueryRBInfo = packed record |
70 | cbSize : DWORD; |
70 | cbSize : DWORD; |
71 | i64Size : int64; |
71 | i64Size : int64; |
72 | i64NumItems : int64; |
72 | i64NumItems : int64; |
73 | end; |
73 | end; |
74 | 74 | ||
75 | TRbRecycleBinItem = class(TObject) |
75 | TRbRecycleBinItem = class(TObject) |
76 | strict private |
76 | strict private |
77 | function GetSource: string; |
77 | function GetSource: string; |
78 | strict protected |
78 | strict protected |
79 | FSourceAnsi: AnsiString; |
79 | FSourceAnsi: AnsiString; |
80 | FSourceUnicode: WideString; |
80 | FSourceUnicode: WideString; |
81 | FID: string; |
81 | FID: string; |
82 | FSourceDrive: Char; |
82 | FSourceDrive: Char; |
83 | FDeletionTime: TDateTime; |
83 | FDeletionTime: TDateTime; |
84 | FOriginalSize: int64; |
84 | FOriginalSize: int64; |
85 | FIndexFile: string; |
85 | FIndexFile: string; |
86 | FRemovedEntry: boolean; |
86 | FRemovedEntry: boolean; |
87 | procedure ReadFromStream(stream: TStream); virtual; abstract; |
87 | procedure ReadFromStream(stream: TStream); virtual; abstract; |
88 | function GetPhysicalFile: string; virtual; abstract; // protected, because it will be read by "property" |
88 | function GetPhysicalFile: string; virtual; abstract; // protected, because it will be read by "property" |
89 | public |
89 | public |
90 | property PhysicalFile: string read GetPhysicalFile; |
90 | property PhysicalFile: string read GetPhysicalFile; |
91 | property SourceAnsi: AnsiString read FSourceAnsi; |
91 | property SourceAnsi: AnsiString read FSourceAnsi; |
92 | property SourceUnicode: WideString read FSourceUnicode; |
92 | property SourceUnicode: WideString read FSourceUnicode; |
93 | property Source: string read GetSource; // will bei either ANSI or Unicode, depending on the Delphi version |
93 | property Source: string read GetSource; // will bei either ANSI or Unicode, depending on the Delphi version |
94 | property ID: string read FID; |
94 | property ID: string read FID; |
95 | property SourceDrive: Char read FSourceDrive; |
95 | property SourceDrive: Char read FSourceDrive; |
96 | property DeletionTime: TDateTime read FDeletionTime; |
96 | property DeletionTime: TDateTime read FDeletionTime; |
97 | property OriginalSize: int64 read FOriginalSize; |
97 | property OriginalSize: int64 read FOriginalSize; |
98 | property IndexFile: string read FIndexFile; |
98 | property IndexFile: string read FIndexFile; |
99 | property RemovedEntry: boolean read FRemovedEntry; // the file is NOT in the recycle bin anymore! |
99 | property RemovedEntry: boolean read FRemovedEntry; // the file is NOT in the recycle bin anymore! |
100 | 100 | ||
101 | // Attention: There are not an official API calls. The delete and recover |
101 | // Attention: There are no official API calls. The delete and recover |
102 | // functions might fail and/or damage the shell cache. Handle with care! |
102 | // functions might fail and/or damage the shell cache. Handle with care! |
103 | function DeleteFile: boolean; virtual; abstract; |
103 | function DeleteFile: boolean; virtual; abstract; |
104 | function RecoverFile: boolean; virtual; abstract; |
104 | function RecoverFile: boolean; virtual; abstract; |
105 | function OpenFile: boolean; virtual; abstract; |
105 | function OpenFile: boolean; virtual; abstract; |
106 | end; |
106 | end; |
107 | 107 | ||
108 | TRbInfoAItem = class(TRbRecycleBinItem) |
108 | TRbInfoAItem = class(TRbRecycleBinItem) |
109 | strict protected |
109 | strict protected |
110 | procedure ReadFromStream(stream: TStream); override; |
110 | procedure ReadFromStream(stream: TStream); override; |
111 | function GetPhysicalFile: string; override; |
111 | function GetPhysicalFile: string; override; |
112 | public |
112 | public |
113 | constructor Create(fs: TStream; AIndexFile: string); |
113 | constructor Create(fs: TStream; AIndexFile: string); |
114 | function DeleteFile: boolean; override; |
114 | function DeleteFile: boolean; override; |
115 | // TODO: function RecoverFile: boolean; override; |
115 | // TODO: function RecoverFile: boolean; override; |
116 | // TODO: function OpenFile: boolean; override; |
116 | // TODO: function OpenFile: boolean; override; |
117 | end; |
117 | end; |
118 | 118 | ||
119 | TRbInfoWItem = class(TRbRecycleBinItem) |
119 | TRbInfoWItem = class(TRbRecycleBinItem) |
120 | strict protected |
120 | strict protected |
121 | procedure ReadFromStream(stream: TStream); override; |
121 | procedure ReadFromStream(stream: TStream); override; |
122 | function GetPhysicalFile: string; override; |
122 | function GetPhysicalFile: string; override; |
123 | public |
123 | public |
124 | constructor Create(fs: TStream; AIndexFile: string); |
124 | constructor Create(fs: TStream; AIndexFile: string); |
125 | function DeleteFile: boolean; override; |
125 | function DeleteFile: boolean; override; |
126 | // TODO: function RecoverFile: boolean; override; |
126 | // TODO: function RecoverFile: boolean; override; |
127 | // TODO: function OpenFile: boolean; override; |
127 | // TODO: function OpenFile: boolean; override; |
128 | end; |
128 | end; |
129 | 129 | ||
130 | TRbVistaItem = class(TRbRecycleBinItem) |
130 | TRbVistaItem = class(TRbRecycleBinItem) |
131 | strict protected |
131 | strict protected |
132 | procedure ReadFromStream(stream: TStream); override; |
132 | procedure ReadFromStream(stream: TStream); override; |
133 | function GetPhysicalFile: string; override; |
133 | function GetPhysicalFile: string; override; |
134 | public |
134 | public |
135 | constructor Create(fs: TStream; AIndexFile, AID: string); |
135 | constructor Create(fs: TStream; AIndexFile, AID: string); |
136 | function DeleteFile: boolean; override; |
136 | function DeleteFile: boolean; override; |
137 | // TODO: function RecoverFile: boolean; override; |
137 | // TODO: function RecoverFile: boolean; override; |
138 | // TODO: function OpenFile: boolean; override; |
138 | // TODO: function OpenFile: boolean; override; |
139 | end; |
139 | end; |
140 | 140 | ||
141 | TRbRecycleBin = class(TObject) |
141 | TRbRecycleBin = class(TObject) |
142 | strict private |
142 | strict private |
143 | FFileOrDirectory: string; |
143 | FFileOrDirectory: string; |
144 | FSID: string; |
144 | FSID: string; |
145 | FTolerantReading: boolean; |
145 | FTolerantReading: boolean; |
146 | public |
146 | public |
147 | constructor Create(AFileOrDirectory: string; ASID: string=''); |
147 | constructor Create(AFileOrDirectory: string; ASID: string=''); |
148 | 148 | ||
149 | function GetItem(id: string): TRbRecycleBinItem; |
149 | function GetItem(id: string): TRbRecycleBinItem; |
150 | procedure ListItems(list: TObjectList{TRbRecycleBinItem}); |
150 | procedure ListItems(list: TObjectList{TRbRecycleBinItem}); |
151 | function CheckIndexes(slErrors: TStrings): boolean; |
151 | function CheckIndexes(slErrors: TStrings): boolean; |
152 | 152 | ||
153 | property FileOrDirectory: string read FFileOrDirectory; |
153 | property FileOrDirectory: string read FFileOrDirectory; |
154 | property SID: string read FSID; |
154 | property SID: string read FSID; |
155 | 155 | ||
156 | // Allows an index file to be read, even if an incompatible multiboot combination |
156 | // Allows an index file to be read, even if an incompatible multiboot combination |
157 | // corrupted it. Default: true. |
157 | // corrupted it. Default: true. |
158 | property TolerantReading: boolean read FTolerantReading write FTolerantReading; |
158 | property TolerantReading: boolean read FTolerantReading write FTolerantReading; |
159 | end; |
159 | end; |
160 | 160 | ||
161 | // TODO: Wie sieht es aus mit Laufwerken, die nur als Mount-Point eingebunden sind? |
161 | // TODO: Wie sieht es aus mit Laufwerken, die nur als Mount-Point eingebunden sind? |
162 | TRbDrive = class(TObject) |
162 | TRbDrive = class(TObject) |
163 | strict private |
163 | strict private |
164 | FDriveLetter: Char; |
164 | FDriveLetter: Char; |
165 | 165 | ||
166 | function OldCapacityPercent(var res: integer): boolean; // in % (0-100) |
166 | function OldCapacityPercent(var res: integer): boolean; // in % (0-100) |
167 | function NewCapacityAbsolute(var res: integer): boolean; // in MB |
167 | function NewCapacityAbsolute(var res: integer): boolean; // in MB |
168 | 168 | ||
169 | function DiskSize: integer; // in MB |
169 | function DiskSize: integer; // in MB |
170 | function DriveNumber: integer; |
170 | function DriveNumber: integer; |
171 | strict protected |
171 | strict protected |
172 | function IsFAT: boolean; |
172 | function IsFAT: boolean; |
173 | procedure CheckDriveExisting; |
173 | procedure CheckDriveExisting; |
174 | 174 | ||
175 | // will return NULL_GUID in case of an error or if it is not supported |
175 | // will return NULL_GUID in case of an error or if it is not supported |
176 | function GetVolumeGUID: TGUID; |
176 | function GetVolumeGUID: TGUID; |
177 | function GetVolumeGUIDAvailable: boolean; |
177 | function GetVolumeGUIDAvailable: boolean; |
178 | 178 | ||
179 | // TODO: get drive serial |
179 | // TODO: get drive serial |
180 | public |
180 | public |
181 | constructor Create(ADriveLetter: Char); |
181 | constructor Create(ADriveLetter: Char); |
182 | 182 | ||
183 | // Wenn UserSID='', dann werden alle Recycler gefunden |
183 | // Wenn UserSID='', dann werden alle Recycler gefunden |
184 | procedure ListRecycleBins(list: TObjectList{TRbRecycleBin}; UserSID: string=''); |
184 | procedure ListRecycleBins(list: TObjectList{TRbRecycleBin}; UserSID: string=''); |
185 | 185 | ||
186 | property DriveLetter: Char read FDriveLetter; |
186 | property DriveLetter: Char read FDriveLetter; |
187 | property VolumeGUID: TGUID read GetVolumeGUID; |
187 | property VolumeGUID: TGUID read GetVolumeGUID; |
188 | property VolumeGUIDAvailable: boolean read GetVolumeGUIDAvailable; |
188 | property VolumeGUIDAvailable: boolean read GetVolumeGUIDAvailable; |
189 | function GetAPIInfo: TSHQueryRBInfo; |
189 | function GetAPIInfo: TSHQueryRBInfo; |
190 | function GetSize: int64; |
190 | function GetSize: int64; |
191 | function GetNumItems: int64; |
191 | function GetNumItems: int64; |
192 | function IsEmpty: boolean; |
192 | function IsEmpty: boolean; |
193 | 193 | ||
194 | function GetMaxPercentUsage: Extended; // 0..1 |
194 | function GetMaxPercentUsage: Extended; // 0..1 |
195 | function GetMaxAbsoluteUsage: integer; // in MB |
195 | function GetMaxAbsoluteUsage: integer; // in MB |
196 | function GetNukeOnDelete: boolean; |
196 | function GetNukeOnDelete: boolean; |
197 | end; |
197 | end; |
198 | 198 | ||
199 | GPOLICYBOOL = (gpUndefined, gpEnabled, gpDisabled); |
199 | GPOLICYBOOL = (gpUndefined, gpEnabled, gpDisabled); |
200 | 200 | ||
201 | TRecycleBinManager = class(TObject) |
201 | TRecycleBinManager = class(TObject) |
202 | public |
202 | public |
203 | class procedure ListDrives(list: TObjectList{TRbDrive}); static; |
203 | class procedure ListDrives(list: TObjectList{TRbDrive}); static; |
204 | class function RecycleBinPossible(Drive: Char): boolean; static; |
204 | class function RecycleBinPossible(Drive: Char): boolean; static; |
205 | 205 | ||
206 | class function OwnRecyclersSize: int64; static; |
206 | class function OwnRecyclersSize: int64; static; |
207 | class function OwnRecyclersNumItems: int64; static; |
207 | class function OwnRecyclersNumItems: int64; static; |
208 | class function OwnRecyclersEmpty: boolean; static; |
208 | class function OwnRecyclersEmpty: boolean; static; |
209 | 209 | ||
210 | class function EmptyOwnRecyclers(flags: cardinal): boolean; overload; static; |
210 | class function EmptyOwnRecyclers(flags: cardinal): boolean; overload; static; |
211 | class function EmptyOwnRecyclers(sound, progress, confirmation: boolean): boolean; overload; static; |
211 | class function EmptyOwnRecyclers(sound, progress, confirmation: boolean): boolean; overload; static; |
212 | 212 | ||
213 | class function RecyclerGetCurrentIconString: string; static; |
213 | class function RecyclerGetCurrentIconString: string; static; |
214 | class function RecyclerGetDefaultIconString: string; static; |
214 | class function RecyclerGetDefaultIconString: string; static; |
215 | class function RecyclerGetEmptyIconString: string; static; |
215 | class function RecyclerGetEmptyIconString: string; static; |
216 | class function RecyclerGetFullIconString: string; static; |
216 | class function RecyclerGetFullIconString: string; static; |
217 | 217 | ||
218 | class function GetGlobalMaxPercentUsage: integer; static; // TODO: In Win Vista: absolute and not relative sizes |
218 | class function GetGlobalMaxPercentUsage: integer; static; // TODO: In Win Vista: absolute and not relative sizes |
219 | class function GetGlobalNukeOnDelete: boolean; static; |
219 | class function GetGlobalNukeOnDelete: boolean; static; |
220 | class function UsesGlobalSettings: boolean; static; |
220 | class function UsesGlobalSettings: boolean; static; |
221 | 221 | ||
222 | class function RecyclerGetName: string; static; |
222 | class function RecyclerGetName: string; static; |
223 | class function RecyclerGetInfoTip: string; static; |
223 | class function RecyclerGetInfoTip: string; static; |
224 | class function RecyclerGetIntroText: string; static; |
224 | class function RecyclerGetIntroText: string; static; |
225 | 225 | ||
226 | class function RecyclerEmptyEventGetCurrentSound: string; static; |
226 | class function RecyclerEmptyEventGetCurrentSound: string; static; |
227 | class function RecyclerEmptyEventGetDefaultSound: string; static; |
227 | class function RecyclerEmptyEventGetDefaultSound: string; static; |
228 | class function RecyclerEmptyEventGetName: string; static; |
228 | class function RecyclerEmptyEventGetName: string; static; |
229 | class function RecyclerEmptyEventGetSound(ACategory: string): string; static; |
229 | class function RecyclerEmptyEventGetSound(ACategory: string): string; static; |
230 | class procedure RecyclerEmptyEventGetSoundCategories(AStringList: TStringList); static; |
230 | class procedure RecyclerEmptyEventGetSoundCategories(AStringList: TStringList); static; |
231 | 231 | ||
232 | // TODO: In future also detect for other users |
232 | // TODO: In future also detect for other users |
233 | // TODO: Also make a setter (incl. Message to Windows Explorer?) |
233 | // TODO: Also make a setter (incl. Message to Windows Explorer?) |
234 | class function RecyclerGroupPolicyConfirmFileDelete: GPOLICYBOOL; static; |
234 | class function RecyclerGroupPolicyConfirmFileDelete: GPOLICYBOOL; static; |
235 | class function RecyclerGroupPolicyNoRecycleFiles: GPOLICYBOOL; static; |
235 | class function RecyclerGroupPolicyNoRecycleFiles: GPOLICYBOOL; static; |
236 | class function RecyclerGroupPolicyRecycleBinSize: integer; static; |
236 | class function RecyclerGroupPolicyRecycleBinSize: integer; static; |
237 | 237 | ||
238 | class function RecyclerConfirmationDialogEnabled: boolean; static; |
238 | class function RecyclerConfirmationDialogEnabled: boolean; static; |
239 | class procedure RecyclerConfirmationDialogSetEnabled(NewSetting: boolean); static; |
239 | class procedure RecyclerConfirmationDialogSetEnabled(NewSetting: boolean); static; |
240 | class function RecyclerShellStateConfirmationDialogEnabled: boolean; static; |
240 | class function RecyclerShellStateConfirmationDialogEnabled: boolean; static; |
241 | 241 | ||
242 | // Diese Funktion ist false, wenn sie z.B. unter Windows 95 ohne Internet Explorer |
242 | // Diese Funktion ist false, wenn sie z.B. unter Windows 95 ohne Internet Explorer |
243 | // 4.0 Shell Extension ausgeführt wird. Wenn abwärtskompatibler Code geschrieben |
243 | // 4.0 Shell Extension ausgeführt wird. Wenn abwärtskompatibler Code geschrieben |
244 | // werden soll, sollte RecyclerQueryFunctionAvailable() verwendet werden, da |
244 | // werden soll, sollte RecyclerQueryFunctionAvailable() verwendet werden, da |
245 | // unter Windows 95 folgende Funktionalitäten NICHT vorhanden sind: |
245 | // unter Windows 95 folgende Funktionalitäten NICHT vorhanden sind: |
246 | // - RecyclerIsEmpty |
246 | // - RecyclerIsEmpty |
247 | // - RecyclerGetNumItems |
247 | // - RecyclerGetNumItems |
248 | // - RecyclerGetSize |
248 | // - RecyclerGetSize |
249 | // - RecyclerGetAPIInfo |
249 | // - RecyclerGetAPIInfo |
250 | class function RecyclerQueryFunctionAvailable: boolean; static; |
250 | class function RecyclerQueryFunctionAvailable: boolean; static; |
251 | 251 | ||
252 | class function RecyclerAddFileOrFolder(FileOrFolder: string; confirmation: boolean=false): boolean; static; |
252 | class function RecyclerAddFileOrFolder(FileOrFolder: string; confirmation: boolean=false): boolean; static; |
253 | end; |
253 | end; |
254 | 254 | ||
255 | function GPBoolToString(value: GPOLICYBOOL): string; |
255 | function GPBoolToString(value: GPOLICYBOOL): string; |
256 | 256 | ||
257 | implementation |
257 | implementation |
258 | 258 | ||
259 | uses |
259 | uses |
260 | RecBinUnitLowLvl; |
260 | RecBinUnitLowLvl; |
261 | 261 | ||
262 | {$REGION 'WinAPI/RTL declarations'} |
262 | {$REGION 'WinAPI/RTL declarations'} |
263 | (* |
263 | (* |
264 | const |
264 | const |
265 | {$IFDEF MSWINDOWS} |
265 | {$IFDEF MSWINDOWS} |
266 | shell32 = 'shell32.dll'; |
266 | shell32 = 'shell32.dll'; |
267 | advapi32 = 'advapi32.dll'; |
267 | advapi32 = 'advapi32.dll'; |
268 | kernel32 = 'kernel32.dll'; |
268 | kernel32 = 'kernel32.dll'; |
269 | {$ENDIF} |
269 | {$ENDIF} |
270 | {$IFDEF LINUX} |
270 | {$IFDEF LINUX} |
271 | shell32 = 'libshell32.borland.so'; |
271 | shell32 = 'libshell32.borland.so'; |
272 | advapi32 = 'libwine.borland.so'; |
272 | advapi32 = 'libwine.borland.so'; |
273 | kernel32 = 'libwine.borland.so'; |
273 | kernel32 = 'libwine.borland.so'; |
274 | {$ENDIF} |
274 | {$ENDIF} |
275 | *) |
275 | *) |
276 | 276 | ||
277 | type |
277 | type |
278 | SHELLSTATE = record |
278 | SHELLSTATE = record |
279 | Flags1: DWORD; |
279 | Flags1: DWORD; |
280 | (* |
280 | (* |
281 | BOOL fShowAllObjects : 1; |
281 | BOOL fShowAllObjects : 1; |
282 | BOOL fShowExtensions : 1; |
282 | BOOL fShowExtensions : 1; |
283 | BOOL fNoConfirmRecycle : 1; |
283 | BOOL fNoConfirmRecycle : 1; |
284 | 284 | ||
285 | BOOL fShowSysFiles : 1; |
285 | BOOL fShowSysFiles : 1; |
286 | BOOL fShowCompColor : 1; |
286 | BOOL fShowCompColor : 1; |
287 | BOOL fDoubleClickInWebView : 1; |
287 | BOOL fDoubleClickInWebView : 1; |
288 | BOOL fDesktopHTML : 1; |
288 | BOOL fDesktopHTML : 1; |
289 | BOOL fWin95Classic : 1; |
289 | BOOL fWin95Classic : 1; |
290 | BOOL fDontPrettyPath : 1; |
290 | BOOL fDontPrettyPath : 1; |
291 | BOOL fShowAttribCol : 1; // No longer used, dead bit |
291 | BOOL fShowAttribCol : 1; // No longer used, dead bit |
292 | BOOL fMapNetDrvBtn : 1; |
292 | BOOL fMapNetDrvBtn : 1; |
293 | BOOL fShowInfoTip : 1; |
293 | BOOL fShowInfoTip : 1; |
294 | BOOL fHideIcons : 1; |
294 | BOOL fHideIcons : 1; |
295 | BOOL fWebView : 1; |
295 | BOOL fWebView : 1; |
296 | BOOL fFilter : 1; |
296 | BOOL fFilter : 1; |
297 | BOOL fShowSuperHidden : 1; |
297 | BOOL fShowSuperHidden : 1; |
298 | BOOL fNoNetCrawling : 1; |
298 | BOOL fNoNetCrawling : 1; |
299 | *) |
299 | *) |
300 | dwWin95Unused: DWORD; // Win95 only - no longer supported pszHiddenFileExts |
300 | dwWin95Unused: DWORD; // Win95 only - no longer supported pszHiddenFileExts |
301 | uWin95Unused: UINT; // Win95 only - no longer supported cbHiddenFileExts |
301 | uWin95Unused: UINT; // Win95 only - no longer supported cbHiddenFileExts |
302 | 302 | ||
303 | // Note: Not a typo! This is a persisted structure so we cannot use LPARAM |
303 | // Note: Not a typo! This is a persisted structure so we cannot use LPARAM |
304 | lParamSort: Integer; |
304 | lParamSort: Integer; |
305 | iSortDirection: Integer; |
305 | iSortDirection: Integer; |
306 | 306 | ||
307 | version: UINT; |
307 | version: UINT; |
308 | 308 | ||
309 | // new for win2k. need notUsed var to calc the right size of ie4 struct |
309 | // new for win2k. need notUsed var to calc the right size of ie4 struct |
310 | // FIELD_OFFSET does not work on bit fields |
310 | // FIELD_OFFSET does not work on bit fields |
311 | uNotUsed: UINT; // feel free to rename and use |
311 | uNotUsed: UINT; // feel free to rename and use |
312 | Flags2: DWORD; |
312 | Flags2: DWORD; |
313 | (* |
313 | (* |
314 | BOOL fSepProcess: 1; |
314 | BOOL fSepProcess: 1; |
315 | // new for Whistler. |
315 | // new for Whistler. |
316 | BOOL fStartPanelOn: 1; //Indicates if the Whistler StartPanel mode is ON or OFF. |
316 | BOOL fStartPanelOn: 1; //Indicates if the Whistler StartPanel mode is ON or OFF. |
317 | BOOL fShowStartPage: 1; //Indicates if the Whistler StartPage on desktop is ON or OFF. |
317 | BOOL fShowStartPage: 1; //Indicates if the Whistler StartPage on desktop is ON or OFF. |
318 | UINT fSpareFlags : 13; |
318 | UINT fSpareFlags : 13; |
319 | *) |
319 | *) |
320 | end; |
320 | end; |
321 | LPSHELLSTATE = ^SHELLSTATE; |
321 | LPSHELLSTATE = ^SHELLSTATE; |
322 | 322 | ||
323 | const |
323 | const |
324 | // Masks for the SHELLSTATE |
324 | // Masks for the SHELLSTATE |
325 | SSF_SHOWALLOBJECTS = $00000001; |
325 | SSF_SHOWALLOBJECTS = $00000001; |
326 | SSF_SHOWEXTENSIONS = $00000002; |
326 | SSF_SHOWEXTENSIONS = $00000002; |
327 | SSF_HIDDENFILEEXTS = $00000004; |
327 | SSF_HIDDENFILEEXTS = $00000004; |
328 | SSF_SERVERADMINUI = $00000004; |
328 | SSF_SERVERADMINUI = $00000004; |
329 | SSF_SHOWCOMPCOLOR = $00000008; |
329 | SSF_SHOWCOMPCOLOR = $00000008; |
330 | SSF_SORTCOLUMNS = $00000010; |
330 | SSF_SORTCOLUMNS = $00000010; |
331 | SSF_SHOWSYSFILES = $00000020; |
331 | SSF_SHOWSYSFILES = $00000020; |
332 | SSF_DOUBLECLICKINWEBVIEW = $00000080; |
332 | SSF_DOUBLECLICKINWEBVIEW = $00000080; |
333 | SSF_SHOWATTRIBCOL = $00000100; |
333 | SSF_SHOWATTRIBCOL = $00000100; |
334 | SSF_DESKTOPHTML = $00000200; |
334 | SSF_DESKTOPHTML = $00000200; |
335 | SSF_WIN95CLASSIC = $00000400; |
335 | SSF_WIN95CLASSIC = $00000400; |
336 | SSF_DONTPRETTYPATH = $00000800; |
336 | SSF_DONTPRETTYPATH = $00000800; |
337 | SSF_SHOWINFOTIP = $00002000; |
337 | SSF_SHOWINFOTIP = $00002000; |
338 | SSF_MAPNETDRVBUTTON = $00001000; |
338 | SSF_MAPNETDRVBUTTON = $00001000; |
339 | SSF_NOCONFIRMRECYCLE = $00008000; |
339 | SSF_NOCONFIRMRECYCLE = $00008000; |
340 | SSF_HIDEICONS = $00004000; |
340 | SSF_HIDEICONS = $00004000; |
341 | SSF_FILTER = $00010000; |
341 | SSF_FILTER = $00010000; |
342 | SSF_WEBVIEW = $00020000; |
342 | SSF_WEBVIEW = $00020000; |
343 | SSF_SHOWSUPERHIDDEN = $00040000; |
343 | SSF_SHOWSUPERHIDDEN = $00040000; |
344 | SSF_SEPPROCESS = $00080000; |
344 | SSF_SEPPROCESS = $00080000; |
345 | SSF_NONETCRAWLING = $00100000; |
345 | SSF_NONETCRAWLING = $00100000; |
346 | SSF_STARTPANELON = $00200000; |
346 | SSF_STARTPANELON = $00200000; |
347 | SSF_SHOWSTARTPAGE = $00400000; |
347 | SSF_SHOWSTARTPAGE = $00400000; |
348 | {$ENDREGION} |
348 | {$ENDREGION} |
349 | 349 | ||
350 | resourcestring |
350 | resourcestring |
351 | LNG_API_CALL_ERROR = 'Error while calling the API. Additional information: "%s".'; |
351 | LNG_API_CALL_ERROR = 'Error while calling the API. Additional information: "%s".'; |
352 | LNG_NOT_CALLABLE = '%s not callable'; |
352 | LNG_NOT_CALLABLE = '%s not callable'; |
353 | LNG_ERROR_CODE = '%s (Arguments: %s) returns error code %s'; |
353 | LNG_ERROR_CODE = '%s (Arguments: %s) returns error code %s'; |
354 | LNG_FILE_NOT_FOUND = 'File not found: %s'; |
354 | LNG_FILE_NOT_FOUND = 'File not found: %s'; |
355 | LNG_INVALID_INFO_FORMAT = 'Unexpected record size: %s'; |
355 | LNG_INVALID_INFO_FORMAT = 'Unexpected record size: %s'; |
356 | LNG_DRIVE_NOT_EXISTING = 'Drive %s does not exist.'; |
356 | LNG_DRIVE_NOT_EXISTING = 'Drive %s does not exist.'; |
357 | 357 | ||
358 | const |
358 | const |
359 | C_SHQueryRecycleBin = 'SHQueryRecycleBinA'; |
359 | C_SHQueryRecycleBin = 'SHQueryRecycleBinA'; |
360 | C_GetVolumeNameForVolumeMountPoint = 'GetVolumeNameForVolumeMountPointA'; |
360 | C_GetVolumeNameForVolumeMountPoint = 'GetVolumeNameForVolumeMountPointA'; |
361 | C_SHEmptyRecycleBinA = 'SHEmptyRecycleBinA'; |
361 | C_SHEmptyRecycleBinA = 'SHEmptyRecycleBinA'; |
362 | C_SHGetSettings = 'SHGetSettings'; |
362 | C_SHGetSettings = 'SHGetSettings'; |
363 | C_SHGetSetSettings = 'SHGetSetSettings'; |
363 | C_SHGetSetSettings = 'SHGetSetSettings'; |
364 | 364 | ||
365 | type |
365 | type |
366 | TSHQueryRecycleBin = function(pszRootPath: LPCTSTR; var pSHQueryRBInfo: TSHQueryRBInfo): HRESULT; stdcall; |
366 | TSHQueryRecycleBin = function(pszRootPath: LPCTSTR; var pSHQueryRBInfo: TSHQueryRBInfo): HRESULT; stdcall; |
367 | TGetVolumeNameForVolumeMountPoint = function(lpszVolumeMountPoint: LPCTSTR; lpszVolumeName: LPTSTR; cchBufferLength: DWORD): BOOL; stdcall; |
367 | TGetVolumeNameForVolumeMountPoint = function(lpszVolumeMountPoint: LPCTSTR; lpszVolumeName: LPTSTR; cchBufferLength: DWORD): BOOL; stdcall; |
368 | TSHEmptyRecycleBin = function(Wnd: HWND; pszRootPath: PChar; dwFlags: DWORD): HRESULT; stdcall; |
368 | TSHEmptyRecycleBin = function(Wnd: HWND; pszRootPath: PChar; dwFlags: DWORD): HRESULT; stdcall; |
369 | TSHGetSettings = procedure(var lpss: SHELLSTATE; dwMask: DWORD); stdcall; |
369 | TSHGetSettings = procedure(var lpss: SHELLSTATE; dwMask: DWORD); stdcall; |
370 | TSHGetSetSettings = procedure(var lpss: SHELLSTATE; dwMask: DWORD; bSet: BOOL); stdcall; |
370 | TSHGetSetSettings = procedure(var lpss: SHELLSTATE; dwMask: DWORD; bSet: BOOL); stdcall; |
371 | 371 | ||
- | 372 | procedure AnsiRemoveNulChars(var s: AnsiString); |
|
- | 373 | begin |
|
- | 374 | while (Length(s) > 0) and (s[Length(s)] = #0) do |
|
- | 375 | s := Copy(s, 1, Length(s)-1); |
|
- | 376 | end; |
|
- | 377 | ||
- | 378 | procedure UnicodeRemoveNulChars(var s: WideString); |
|
- | 379 | begin |
|
- | 380 | while (Length(s) > 0) and (s[Length(s)] = #0) do |
|
- | 381 | s := Copy(s, 1, Length(s)-1); |
|
- | 382 | end; |
|
- | 383 | ||
372 | function GetDriveGUID(driveLetter: Char; var guid: TGUID): DWORD; |
384 | function GetDriveGUID(driveLetter: Char; var guid: TGUID): DWORD; |
373 | var |
385 | var |
374 | Buffer: array[0..50] of AnsiChar; |
386 | Buffer: array[0..50] of AnsiChar; |
375 | x: string; |
387 | x: string; |
376 | PGetVolumeNameForVolumeMountPoint: TGetVolumeNameForVolumeMountPoint; |
388 | PGetVolumeNameForVolumeMountPoint: TGetVolumeNameForVolumeMountPoint; |
377 | RBHandle: THandle; |
389 | RBHandle: THandle; |
378 | begin |
390 | begin |
379 | RBHandle := LoadLibrary(kernel32); |
391 | RBHandle := LoadLibrary(kernel32); |
380 | try |
392 | try |
381 | if RBHandle <> 0 then |
393 | if RBHandle <> 0 then |
382 | begin |
394 | begin |
383 | PGetVolumeNameForVolumeMountPoint := GetProcAddress(RBHandle, C_GetVolumeNameForVolumeMountPoint); |
395 | PGetVolumeNameForVolumeMountPoint := GetProcAddress(RBHandle, C_GetVolumeNameForVolumeMountPoint); |
384 | if not Assigned(@PGetVolumeNameForVolumeMountPoint) then |
396 | if not Assigned(@PGetVolumeNameForVolumeMountPoint) then |
385 | begin |
397 | begin |
386 | result := GetLastError; |
398 | result := GetLastError; |
387 | FreeLibrary(RBHandle); |
399 | FreeLibrary(RBHandle); |
388 | RBHandle := 0; |
400 | RBHandle := 0; |
389 | end |
401 | end |
390 | else |
402 | else |
391 | begin |
403 | begin |
392 | if PGetVolumeNameForVolumeMountPoint(PAnsiChar(driveLetter+':\'), Buffer, SizeOf(Buffer)) then |
404 | if PGetVolumeNameForVolumeMountPoint(PAnsiChar(driveLetter+':\'), Buffer, SizeOf(Buffer)) then |
393 | begin |
405 | begin |
394 | x := buffer; |
406 | x := buffer; |
395 | x := copy(x, 11, 38); |
407 | x := copy(x, 11, 38); |
396 | guid := StringToGUID(x); |
408 | guid := StringToGUID(x); |
397 | result := ERROR_SUCCESS; |
409 | result := ERROR_SUCCESS; |
398 | end |
410 | end |
399 | else |
411 | else |
400 | result := GetLastError; |
412 | result := GetLastError; |
401 | end; |
413 | end; |
402 | end |
414 | end |
403 | else result := GetLastError; |
415 | else result := GetLastError; |
404 | finally |
416 | finally |
405 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
417 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
406 | end; |
418 | end; |
407 | end; |
419 | end; |
408 | 420 | ||
409 | function FileTimeToDateTime(FileTime: FILETIME): TDateTime; |
421 | function FileTimeToDateTime(FileTime: FILETIME): TDateTime; |
410 | {$IFDEF FILETIME_DELPHI_CODE} |
422 | {$IFDEF FILETIME_DELPHI_CODE} |
411 | var |
423 | var |
412 | SystemTime: TSystemTime; |
424 | SystemTime: TSystemTime; |
413 | nowUTC: TDateTime; |
425 | nowUTC: TDateTime; |
414 | gmtDifference: int64; |
426 | gmtDifference: int64; |
415 | begin |
427 | begin |
416 | GetSystemTime(SystemTime); |
428 | GetSystemTime(SystemTime); |
417 | with SystemTime do |
429 | with SystemTime do |
418 | begin |
430 | begin |
419 | // http://www.delphipraxis.net/post340194.html#34019 |
431 | // http://www.delphipraxis.net/post340194.html#34019 |
420 | nowUTC := EncodeDate(wYear, wMonth, wDay) + |
432 | nowUTC := EncodeDate(wYear, wMonth, wDay) + |
421 | EncodeTime(wHour, wMinute, wSecond, wMilliseconds); |
433 | EncodeTime(wHour, wMinute, wSecond, wMilliseconds); |
422 | end; |
434 | end; |
423 | 435 | ||
424 | gmtDifference := datetimetounix(nowUTC) - datetimetounix(Now); |
436 | gmtDifference := datetimetounix(nowUTC) - datetimetounix(Now); |
425 | 437 | ||
426 | // http://www.e-fense.com/helix/Docs/Recycler_Bin_Record_Reconstruction.pdf states: |
438 | // http://www.e-fense.com/helix/Docs/Recycler_Bin_Record_Reconstruction.pdf states: |
427 | // UnixTime = 0.0000001 * NTTime + 11644473600 |
439 | // UnixTime = 0.0000001 * NTTime + 11644473600 |
428 | // This is wrong! The correct formula is: |
440 | // This is wrong! The correct formula is: |
429 | // UnixTime = 0.0000001 * NTTime - 11644473600 + c * 3600 |
441 | // UnixTime = 0.0000001 * NTTime - 11644473600 + c * 3600 |
430 | // c = GMT-Difference (MEZ = 1) inclusive daylight saving time (+3600 seconds) |
442 | // c = GMT-Difference (MEZ = 1) inclusive daylight saving time (+3600 seconds) |
431 | result := unixtodatetime(round(0.0000001 * int64(FileTime)) - 11644473600 - gmtDifference); |
443 | result := unixtodatetime(round(0.0000001 * int64(FileTime)) - 11644473600 - gmtDifference); |
432 | {$ELSE} |
444 | {$ELSE} |
433 | var |
445 | var |
434 | LocalTime: TFileTime; |
446 | LocalTime: TFileTime; |
435 | DOSTime: Integer; |
447 | DOSTime: Integer; |
436 | begin |
448 | begin |
437 | FileTimeToLocalFileTime(FileTime, LocalTime); |
449 | FileTimeToLocalFileTime(FileTime, LocalTime); |
438 | FileTimeToDosDateTime(LocalTime, LongRec(DOSTime).Hi, LongRec(DOSTime).Lo); |
450 | FileTimeToDosDateTime(LocalTime, LongRec(DOSTime).Hi, LongRec(DOSTime).Lo); |
439 | Result := FileDateToDateTime(DOSTime); |
451 | Result := FileDateToDateTime(DOSTime); |
440 | {$ENDIF} |
452 | {$ENDIF} |
441 | end; |
453 | end; |
442 | 454 | ||
443 | function DeleteDirectory(const Name: string): boolean; |
455 | function DeleteDirectory(const Name: string): boolean; |
444 | var |
456 | var |
445 | F: TSearchRec; |
457 | F: TSearchRec; |
446 | begin |
458 | begin |
447 | result := true; |
459 | result := true; |
448 | if FindFirst(IncludeTrailingPathDelimiter(Name) + '*', faAnyFile, F) = 0 then |
460 | if FindFirst(IncludeTrailingPathDelimiter(Name) + '*', faAnyFile, F) = 0 then |
449 | begin |
461 | begin |
450 | try |
462 | try |
451 | repeat |
463 | repeat |
452 | if F.Attr and faDirectory <> 0 then |
464 | if F.Attr and faDirectory <> 0 then |
453 | begin |
465 | begin |
454 | if (F.Name <> '.') and (F.Name <> '..') then |
466 | if (F.Name <> '.') and (F.Name <> '..') then |
455 | begin |
467 | begin |
456 | result := result and DeleteDirectory(IncludeTrailingPathDelimiter(Name) + F.Name); |
468 | result := result and DeleteDirectory(IncludeTrailingPathDelimiter(Name) + F.Name); |
457 | end; |
469 | end; |
458 | end |
470 | end |
459 | else |
471 | else |
460 | begin |
472 | begin |
461 | if not DeleteFile(IncludeTrailingPathDelimiter(Name) + F.Name) then result := false; |
473 | if not DeleteFile(IncludeTrailingPathDelimiter(Name) + F.Name) then result := false; |
462 | end; |
474 | end; |
463 | until FindNext(F) <> 0; |
475 | until FindNext(F) <> 0; |
464 | finally |
476 | finally |
465 | FindClose(F); |
477 | FindClose(F); |
466 | end; |
478 | end; |
467 | if not RemoveDir(Name) then result := false; |
479 | if not RemoveDir(Name) then result := false; |
468 | end; |
480 | end; |
469 | end; |
481 | end; |
470 | 482 | ||
471 | function DriveLetterToDriveNumber(driveLetter: Char): integer; |
483 | function DriveLetterToDriveNumber(driveLetter: Char): integer; |
472 | var |
484 | var |
473 | tmp: string; |
485 | tmp: string; |
474 | begin |
486 | begin |
475 | tmp := LowerCase(driveLetter); |
487 | tmp := LowerCase(driveLetter); |
476 | result := Ord(tmp[1])-Ord('a'); |
488 | result := Ord(tmp[1])-Ord('a'); |
477 | end; |
489 | end; |
478 | 490 | ||
479 | function GetStringFromDLL(filename: string; num: integer): string; |
491 | function GetStringFromDLL(filename: string; num: integer): string; |
480 | const |
492 | const |
481 | // Source: http://www.eggheadcafe.com/forumarchives/vcmfc/sep2005/post23917443.asp |
493 | // Source: http://www.eggheadcafe.com/forumarchives/vcmfc/sep2005/post23917443.asp |
482 | MAX_BUF = 4097; // OK? |
494 | MAX_BUF = 4097; // OK? |
483 | var |
495 | var |
484 | hLib: THandle; |
496 | hLib: THandle; |
485 | buf: array[0..MAX_BUF] of char; |
497 | buf: array[0..MAX_BUF] of char; |
486 | begin |
498 | begin |
487 | hLib := LoadLibrary(PChar(filename)); |
499 | hLib := LoadLibrary(PChar(filename)); |
488 | try |
500 | try |
489 | LoadString(hLib, num, buf, sizeof(buf)); |
501 | LoadString(hLib, num, buf, sizeof(buf)); |
490 | result := buf; |
502 | result := buf; |
491 | finally |
503 | finally |
492 | FreeLibrary(hLib); |
504 | FreeLibrary(hLib); |
493 | end; |
505 | end; |
494 | end; |
506 | end; |
495 | 507 | ||
496 | function ExpandEnvStr(const szInput: string): string; |
508 | function ExpandEnvStr(const szInput: string): string; |
497 | const |
509 | const |
498 | MAXSIZE = 32768; // laut PSDK sind 32k das Maximum |
510 | MAXSIZE = 32768; // laut PSDK sind 32k das Maximum |
499 | begin |
511 | begin |
500 | // Source: http://www.delphi-library.de/topic_Umgebungsvariable+in+einem+String+aufloesen_20516,0.html |
512 | // Source: http://www.delphi-library.de/topic_Umgebungsvariable+in+einem+String+aufloesen_20516,0.html |
501 | SetLength(Result,MAXSIZE); |
513 | SetLength(Result,MAXSIZE); |
502 | SetLength(Result,ExpandEnvironmentStrings(pchar(szInput), |
514 | SetLength(Result,ExpandEnvironmentStrings(pchar(szInput), |
503 | @Result[1],length(Result))-1); //-1 um abschließendes #0 zu verwerfen |
515 | @Result[1],length(Result))-1); //-1 um abschließendes #0 zu verwerfen |
504 | end; |
516 | end; |
505 | 517 | ||
506 | function DecodeReferenceString(s: string): string; |
518 | function DecodeReferenceString(s: string): string; |
507 | var |
519 | var |
508 | dll, id, lang, cache: string; |
520 | dll, id, lang, cache: string; |
509 | sl, sl2: tstringlist; |
521 | sl, sl2: tstringlist; |
510 | begin |
522 | begin |
511 | // Beispiele |
523 | // Beispiele |
512 | // Papierkorb -- Windows 95 |
524 | // Papierkorb -- Windows 95 |
513 | // @C:\WINNT\system32\shell32.dll,-8964@1031,Papierkorb -- Windows 2000 |
525 | // @C:\WINNT\system32\shell32.dll,-8964@1031,Papierkorb -- Windows 2000 |
514 | 526 | ||
515 | if Copy(s, 1, 1) = '@' then |
527 | if Copy(s, 1, 1) = '@' then |
516 | begin |
528 | begin |
517 | // Referenz auf eine DLL |
529 | // Referenz auf eine DLL |
518 | // @<dll>,-<id>[@<lang>][,<cache>] |
530 | // @<dll>,-<id>[@<lang>][,<cache>] |
519 | 531 | ||
520 | sl := TStringList.Create; |
532 | sl := TStringList.Create; |
521 | try |
533 | try |
522 | // '@' am Anfang entfernen |
534 | // '@' am Anfang entfernen |
523 | s := Copy(s, 2, length(s)-1); |
535 | s := Copy(s, 2, length(s)-1); |
524 | 536 | ||
525 | // Nach ',' auftrennen |
537 | // Nach ',' auftrennen |
526 | // sl[0] --> dll |
538 | // sl[0] --> dll |
527 | // sl[1] --> -id@lang |
539 | // sl[1] --> -id@lang |
528 | // sl[2] --> cache |
540 | // sl[2] --> cache |
529 | sl.CommaText := s; |
541 | sl.CommaText := s; |
530 | 542 | ||
531 | if sl.Count > 2 then |
543 | if sl.Count > 2 then |
532 | begin |
544 | begin |
533 | // Das Ergebnis ist bereits im Klartext vorhanden und muss nicht extrahiert werden |
545 | // Das Ergebnis ist bereits im Klartext vorhanden und muss nicht extrahiert werden |
534 | // Ist bei Windows 2000 der Fall |
546 | // Ist bei Windows 2000 der Fall |
535 | cache := sl[2]; |
547 | cache := sl[2]; |
536 | result := cache; |
548 | result := cache; |
537 | exit; |
549 | exit; |
538 | end; |
550 | end; |
539 | 551 | ||
540 | if sl.Count > 1 then |
552 | if sl.Count > 1 then |
541 | begin |
553 | begin |
542 | dll := sl[0]; |
554 | dll := sl[0]; |
543 | 555 | ||
544 | sl2 := TStringList.Create; |
556 | sl2 := TStringList.Create; |
545 | try |
557 | try |
546 | // Nach '@' auftrennen |
558 | // Nach '@' auftrennen |
547 | // sl2[0] --> id |
559 | // sl2[0] --> id |
548 | // sl2[1] --> lang |
560 | // sl2[1] --> lang |
549 | sl2.CommaText := StringReplace(sl[1], '@', ',', [rfReplaceAll]); |
561 | sl2.CommaText := StringReplace(sl[1], '@', ',', [rfReplaceAll]); |
550 | 562 | ||
551 | id := sl2[0]; |
563 | id := sl2[0]; |
552 | 564 | ||
553 | if sl2.Count > 1 then |
565 | if sl2.Count > 1 then |
554 | begin |
566 | begin |
555 | // ToDo: In Zukunft beachten, sofern möglich |
567 | // ToDo: In Zukunft beachten, sofern möglich |
556 | lang := sl2[1]; |
568 | lang := sl2[1]; |
557 | end; |
569 | end; |
558 | 570 | ||
559 | // Umgebungsvariablen erkennen und Minuszeichen entfernen |
571 | // Umgebungsvariablen erkennen und Minuszeichen entfernen |
560 | result := GetStringFromDLL(ExpandEnvStr(dll), -StrToInt(id)); |
572 | result := GetStringFromDLL(ExpandEnvStr(dll), -StrToInt(id)); |
561 | finally |
573 | finally |
562 | sl2.Free; |
574 | sl2.Free; |
563 | end; |
575 | end; |
564 | end |
576 | end |
565 | else |
577 | else |
566 | begin |
578 | begin |
567 | // Zu wenige Informationen! |
579 | // Zu wenige Informationen! |
568 | 580 | ||
569 | result := ''; |
581 | result := ''; |
570 | end; |
582 | end; |
571 | finally |
583 | finally |
572 | sl.Free; |
584 | sl.Free; |
573 | end; |
585 | end; |
574 | end |
586 | end |
575 | else |
587 | else |
576 | begin |
588 | begin |
577 | // Kein Hinweis auf eine Referenz |
589 | // Kein Hinweis auf eine Referenz |
578 | result := s; |
590 | result := s; |
579 | end; |
591 | end; |
580 | end; |
592 | end; |
581 | 593 | ||
582 | function GPBoolToString(value: GPOLICYBOOL): string; |
594 | function GPBoolToString(value: GPOLICYBOOL): string; |
583 | begin |
595 | begin |
584 | case value of |
596 | case value of |
585 | gpUndefined: result := 'Not configured'; |
597 | gpUndefined: result := 'Not configured'; |
586 | gpEnabled: result := 'Enabled'; |
598 | gpEnabled: result := 'Enabled'; |
587 | gpDisabled: result := 'Disabled'; |
599 | gpDisabled: result := 'Disabled'; |
588 | end; |
600 | end; |
589 | end; |
601 | end; |
590 | 602 | ||
591 | { TRbRecycleBin } |
603 | { TRbRecycleBin } |
592 | 604 | ||
593 | constructor TRbRecycleBin.Create(AFileOrDirectory: string; ASID: string=''); |
605 | constructor TRbRecycleBin.Create(AFileOrDirectory: string; ASID: string=''); |
594 | begin |
606 | begin |
595 | inherited Create; |
607 | inherited Create; |
596 | 608 | ||
597 | FFileOrDirectory := AFileOrDirectory; |
609 | FFileOrDirectory := AFileOrDirectory; |
598 | FSID := ASID; |
610 | FSID := ASID; |
599 | TolerantReading := true; |
611 | TolerantReading := true; |
600 | end; |
612 | end; |
601 | 613 | ||
602 | // TODO: also a function that tests if the data files are still existing |
614 | // TODO: also a function that tests if the data files are still existing |
603 | function TRbRecycleBin.CheckIndexes(slErrors: TStrings): boolean; |
615 | function TRbRecycleBin.CheckIndexes(slErrors: TStrings): boolean; |
604 | 616 | ||
605 | procedure _Assert(assertion: boolean; msg: string; args: array of const); |
617 | procedure _Assert(assertion: boolean; msg: string; args: array of const); |
606 | begin |
618 | begin |
607 | if not assertion then |
619 | if not assertion then |
608 | begin |
620 | begin |
609 | slErrors.Add(Format(msg, args)); |
621 | slErrors.Add(Format(msg, args)); |
610 | result := false; |
622 | result := false; |
611 | end; |
623 | end; |
612 | end; |
624 | end; |
613 | 625 | ||
614 | procedure _HandleIndexFile(AFile: string); |
626 | procedure _HandleIndexFile(AFile: string); |
615 | var |
627 | var |
616 | fs: TFileStream; |
628 | fs: TFileStream; |
617 | infoHdr: TRbInfoHeader; |
629 | infoHdr: TRbInfoHeader; |
618 | resourcestring |
630 | resourcestring |
619 | LNG_IDXERR_VISTA_FILESIZE = '%s: Vista index file has wrong size'; |
631 | LNG_IDXERR_VISTA_FILESIZE = '%s: Vista index file has wrong size'; |
620 | LNG_IDXERR_INFO_RECSIZE_UNEXPECTED = '%s: record size unexpected'; |
632 | LNG_IDXERR_INFO_RECSIZE_UNEXPECTED = '%s: record size unexpected'; |
621 | LNG_IDXERR_INFO_UNEXPECTED_EOF = '%s: file size wrong'; |
633 | LNG_IDXERR_INFO_UNEXPECTED_EOF = '%s: file size wrong'; |
622 | begin |
634 | begin |
623 | fs := TFileStream.Create(AFile, fmOpenRead); |
635 | fs := TFileStream.Create(AFile, fmOpenRead); |
624 | try |
636 | try |
625 | fs.Seek(0, soFromBeginning); |
637 | fs.Seek(0, soFromBeginning); |
626 | 638 | ||
627 | if SameText(copy(ExtractFileName(AFile), 1, 2), '$I') then |
639 | if SameText(copy(ExtractFileName(AFile), 1, 2), '$I') then |
628 | begin |
640 | begin |
629 | _Assert(fs.Size = SizeOf(TRbVistaItem), LNG_IDXERR_VISTA_FILESIZE, [AFile]); |
641 | _Assert(fs.Size = SizeOf(TRbVistaItem), LNG_IDXERR_VISTA_FILESIZE, [AFile]); |
630 | end |
642 | end |
631 | else if SameText(ExtractFileName(AFile), 'INFO') or |
643 | else if SameText(ExtractFileName(AFile), 'INFO') or |
632 | SameText(ExtractFileName(AFile), 'INFO2') then |
644 | SameText(ExtractFileName(AFile), 'INFO2') then |
633 | begin |
645 | begin |
634 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
646 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
635 | _Assert((infoHdr.recordLength = SizeOf(TRbInfoRecordA)) or |
647 | _Assert((infoHdr.recordLength = SizeOf(TRbInfoRecordA)) or |
636 | (infoHdr.recordLength = SizeOf(TRbInfoRecordW)), LNG_IDXERR_INFO_RECSIZE_UNEXPECTED, [AFile]); |
648 | (infoHdr.recordLength = SizeOf(TRbInfoRecordW)), LNG_IDXERR_INFO_RECSIZE_UNEXPECTED, [AFile]); |
637 | _Assert((fs.Size-fs.Position) mod infoHdr.recordLength = 0, LNG_IDXERR_INFO_UNEXPECTED_EOF, [AFile]); |
649 | _Assert((fs.Size-fs.Position) mod infoHdr.recordLength = 0, LNG_IDXERR_INFO_UNEXPECTED_EOF, [AFile]); |
638 | // TODO: we can also check infoHdr.totalSize or infoHdr.totalEntries |
650 | // TODO: we can also check infoHdr.totalSize or infoHdr.totalEntries |
639 | end |
651 | end |
640 | else Assert(false); |
652 | else Assert(false); |
641 | 653 | ||
642 | // TODO: we could check each item for invalid stuff...? |
654 | // TODO: we could check each item for invalid stuff...? |
643 | finally |
655 | finally |
644 | FreeAndNil(fs); |
656 | FreeAndNil(fs); |
645 | end; |
657 | end; |
646 | end; |
658 | end; |
647 | 659 | ||
648 | procedure _HandleVistaDir(ADirectory: string); |
660 | procedure _HandleVistaDir(ADirectory: string); |
649 | var |
661 | var |
650 | SR: TSearchRec; |
662 | SR: TSearchRec; |
651 | begin |
663 | begin |
652 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
664 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
653 | 665 | ||
654 | if FindFirst(ADirectory + '$I*', faAnyFile, SR) = 0 then |
666 | if FindFirst(ADirectory + '$I*', faAnyFile, SR) = 0 then |
655 | begin |
667 | begin |
656 | repeat |
668 | repeat |
657 | _HandleIndexFile(ADirectory+sr.Name); |
669 | _HandleIndexFile(ADirectory+sr.Name); |
658 | until FindNext(SR) <> 0; |
670 | until FindNext(SR) <> 0; |
659 | end; |
671 | end; |
660 | FindClose(SR); |
672 | FindClose(SR); |
661 | end; |
673 | end; |
662 | 674 | ||
663 | begin |
675 | begin |
664 | result := true; |
676 | result := true; |
665 | 677 | ||
666 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
678 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
667 | begin |
679 | begin |
668 | _HandleVistaDir(FFileOrDirectory); |
680 | _HandleVistaDir(FFileOrDirectory); |
669 | 681 | ||
670 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
682 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
671 | begin |
683 | begin |
672 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
684 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
673 | end; |
685 | end; |
674 | 686 | ||
675 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
687 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
676 | begin |
688 | begin |
677 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
689 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
678 | end; |
690 | end; |
679 | end |
691 | end |
680 | else if FileExists(FFileOrDirectory) then |
692 | else if FileExists(FFileOrDirectory) then |
681 | begin |
693 | begin |
682 | _HandleIndexFile(FFileOrDirectory); |
694 | _HandleIndexFile(FFileOrDirectory); |
683 | end |
695 | end |
684 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
696 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
685 | end; |
697 | end; |
686 | 698 | ||
687 | function TRbRecycleBin.GetItem(id: string): TRbRecycleBinItem; |
699 | function TRbRecycleBin.GetItem(id: string): TRbRecycleBinItem; |
688 | 700 | ||
689 | procedure _HandleIndexFile(AFile: string); |
701 | procedure _HandleIndexFile(AFile: string); |
690 | var |
702 | var |
691 | fs: TFileStream; |
703 | fs: TFileStream; |
692 | infoHdr: TRbInfoHeader; |
704 | infoHdr: TRbInfoHeader; |
693 | testItem: TRbRecycleBinItem; |
705 | testItem: TRbRecycleBinItem; |
694 | begin |
706 | begin |
695 | fs := TFileStream.Create(AFile, fmOpenRead); |
707 | fs := TFileStream.Create(AFile, fmOpenRead); |
696 | try |
708 | try |
697 | fs.Seek(0, soFromBeginning); |
709 | fs.Seek(0, soFromBeginning); |
698 | 710 | ||
699 | if SameText(ExtractFileName(AFile), '$I'+id) then |
711 | if SameText(ExtractFileName(AFile), '$I'+id) then |
700 | begin |
712 | begin |
701 | result := TRbVistaItem.Create(fs, AFile, id); |
713 | result := TRbVistaItem.Create(fs, AFile, id); |
702 | end |
714 | end |
703 | else |
715 | else |
704 | begin |
716 | begin |
705 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
717 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
706 | case infoHdr.recordLength of |
718 | case infoHdr.recordLength of |
707 | SizeOf(TRbInfoRecordA): |
719 | SizeOf(TRbInfoRecordA): |
708 | begin |
720 | begin |
709 | while fs.Position < fs.size do |
721 | while fs.Position < fs.size do |
710 | begin |
722 | begin |
711 | testItem := TRbInfoAItem.Create(fs, AFile); |
723 | testItem := TRbInfoAItem.Create(fs, AFile); |
712 | if testItem.ID = id then |
724 | if testItem.ID = id then |
713 | begin |
725 | begin |
714 | result := testItem; |
726 | result := testItem; |
715 | break; |
727 | break; |
716 | end; |
728 | end; |
717 | end; |
729 | end; |
718 | end; |
730 | end; |
719 | SizeOf(TRbInfoRecordW): |
731 | SizeOf(TRbInfoRecordW): |
720 | begin |
732 | begin |
721 | while fs.Position < fs.size do |
733 | while fs.Position < fs.size do |
722 | begin |
734 | begin |
723 | testItem := TRbInfoWItem.Create(fs, AFile); |
735 | testItem := TRbInfoWItem.Create(fs, AFile); |
724 | if testItem.ID = id then |
736 | if testItem.ID = id then |
725 | begin |
737 | begin |
726 | result := testItem; |
738 | result := testItem; |
727 | break; |
739 | break; |
728 | end; |
740 | end; |
729 | end; |
741 | end; |
730 | end |
742 | end |
731 | else |
743 | else |
732 | begin |
744 | begin |
733 | raise Exception.CreateFmt(LNG_INVALID_INFO_FORMAT, [AFile]); |
745 | raise Exception.CreateFmt(LNG_INVALID_INFO_FORMAT, [AFile]); |
734 | end; |
746 | end; |
735 | end; |
747 | end; |
736 | end; |
748 | end; |
737 | finally |
749 | finally |
738 | FreeAndNil(fs); |
750 | FreeAndNil(fs); |
739 | end; |
751 | end; |
740 | end; |
752 | end; |
741 | 753 | ||
742 | procedure _HandleVistaDir(ADirectory: string); |
754 | procedure _HandleVistaDir(ADirectory: string); |
743 | var |
755 | var |
744 | SR: TSearchRec; |
756 | SR: TSearchRec; |
745 | fs: TFileStream; |
757 | fs: TFileStream; |
746 | id: string; |
758 | id: string; |
747 | begin |
759 | begin |
748 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
760 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
749 | 761 | ||
750 | if FileExists(ADirectory + '$I' + id) then |
762 | if FileExists(ADirectory + '$I' + id) then |
751 | begin |
763 | begin |
752 | fs := TFileStream.Create(ADirectory+sr.Name, fmOpenRead); |
764 | fs := TFileStream.Create(ADirectory+sr.Name, fmOpenRead); |
753 | try |
765 | try |
754 | fs.Seek(0, soFromBeginning); |
766 | fs.Seek(0, soFromBeginning); |
755 | result := TRbVistaItem.Create(fs, ADirectory+sr.Name, id); |
767 | result := TRbVistaItem.Create(fs, ADirectory+sr.Name, id); |
756 | finally |
768 | finally |
757 | FreeAndNil(fs); |
769 | FreeAndNil(fs); |
758 | end; |
770 | end; |
759 | end; |
771 | end; |
760 | end; |
772 | end; |
761 | 773 | ||
762 | begin |
774 | begin |
763 | result := nil; |
775 | result := nil; |
764 | 776 | ||
765 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
777 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
766 | begin |
778 | begin |
767 | _HandleVistaDir(FFileOrDirectory); |
779 | _HandleVistaDir(FFileOrDirectory); |
768 | if Assigned(result) then exit; |
780 | if Assigned(result) then exit; |
769 | 781 | ||
770 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
782 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
771 | begin |
783 | begin |
772 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
784 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
773 | if Assigned(result) then exit; |
785 | if Assigned(result) then exit; |
774 | end; |
786 | end; |
775 | 787 | ||
776 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
788 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
777 | begin |
789 | begin |
778 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
790 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
779 | if Assigned(result) then exit; |
791 | if Assigned(result) then exit; |
780 | end; |
792 | end; |
781 | end |
793 | end |
782 | else if FileExists(FFileOrDirectory) then |
794 | else if FileExists(FFileOrDirectory) then |
783 | begin |
795 | begin |
784 | _HandleIndexFile(FFileOrDirectory); |
796 | _HandleIndexFile(FFileOrDirectory); |
785 | if Assigned(result) then exit; |
797 | if Assigned(result) then exit; |
786 | end |
798 | end |
787 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
799 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
788 | end; |
800 | end; |
789 | 801 | ||
790 | procedure TRbRecycleBin.ListItems(list: TObjectList{TRbRecycleBinItem}); |
802 | procedure TRbRecycleBin.ListItems(list: TObjectList{TRbRecycleBinItem}); |
791 | 803 | ||
792 | procedure _HandleIndexFile(AFile: string); |
804 | procedure _HandleIndexFile(AFile: string); |
793 | var |
805 | var |
794 | fs: TFileStream; |
806 | fs: TFileStream; |
795 | infoHdr: TRbInfoHeader; |
807 | infoHdr: TRbInfoHeader; |
796 | testID: string; |
808 | testID: string; |
797 | wTest: TRbInfoWItem; |
809 | wTest: TRbInfoWItem; |
798 | bakPosition: int64; |
810 | bakPosition: int64; |
799 | begin |
811 | begin |
800 | fs := TFileStream.Create(AFile, fmOpenRead); |
812 | fs := TFileStream.Create(AFile, fmOpenRead); |
801 | try |
813 | try |
802 | fs.Seek(0, soFromBeginning); |
814 | fs.Seek(0, soFromBeginning); |
803 | 815 | ||
804 | if SameText(copy(ExtractFileName(AFile), 1, 2), '$I') then |
816 | if SameText(copy(ExtractFileName(AFile), 1, 2), '$I') then |
805 | begin |
817 | begin |
806 | testID := copy(testID, 3, Length(testID)-2); |
818 | testID := copy(testID, 3, Length(testID)-2); |
807 | list.Add(TRbVistaItem.Create(fs, AFile, testID)); |
819 | list.Add(TRbVistaItem.Create(fs, AFile, testID)); |
808 | end |
820 | end |
809 | else |
821 | else |
810 | begin |
822 | begin |
811 | if TolerantReading then |
823 | if TolerantReading then |
812 | begin |
824 | begin |
813 | // This is a special treatment how to recover data from an INFO/INFO2 file |
825 | // This is a special treatment how to recover data from an INFO/INFO2 file |
814 | // which was corrupted by an incompatible multiboot configuration. |
826 | // which was corrupted by an incompatible multiboot configuration. |
815 | // Example: |
827 | // Example: |
816 | // - Win95 without IE4 and WinNT4 both write into the INFO file. But Win95 appends the ANSI record and WinNT appends an Unicode record. |
828 | // - Win95 without IE4 and WinNT4 both write into the INFO file. But Win95 appends the ANSI record and WinNT appends an Unicode record. |
817 | // - Win95 with IE4 and Windows 2000/2003/XP write into the INFO2 file. But Win9x appends the ANSI record and Win2k+ appends an Unicode record. |
829 | // - Win95 with IE4 and Windows 2000/2003/XP write into the INFO2 file. But Win9x appends the ANSI record and Win2k+ appends an Unicode record. |
818 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
830 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
819 | while fs.Position < fs.size do |
831 | while fs.Position < fs.size do |
820 | begin |
832 | begin |
821 | // Can we actually read a Unicode record? |
833 | // Can we actually read a Unicode record? |
822 | if fs.Position + SizeOf(TRbInfoRecordW) <= fs.Size then |
834 | if fs.Position + SizeOf(TRbInfoRecordW) <= fs.Size then |
823 | begin |
835 | begin |
824 | // Try to read the Unicode record and check if it is valid |
836 | // Try to read the Unicode record and check if it is valid |
825 | // In case it is no Unicode record, then the Unicode part will be the |
837 | // In case it is no Unicode record, then the Unicode part will be the |
826 | // ANSI source name of the next record. In this case, we won't get |
838 | // ANSI source name of the next record. In this case, we won't get |
827 | // a ':' at the Unicode string. |
839 | // a ':' at the Unicode string. |
828 | bakPosition := fs.Position; |
840 | bakPosition := fs.Position; |
829 | wTest := TRbInfoWItem.Create(fs, AFile); |
841 | wTest := TRbInfoWItem.Create(fs, AFile); |
830 | if Copy(wTest.SourceUnicode, 2, 1) = ':' then |
842 | if Copy(wTest.SourceUnicode, 2, 1) = ':' then |
831 | begin |
843 | begin |
832 | // Yes, it is a valid Unicode record. |
844 | // Yes, it is a valid Unicode record. |
833 | list.Add(wTest); |
845 | list.Add(wTest); |
834 | end |
846 | end |
835 | else |
847 | else |
836 | begin |
848 | begin |
837 | // No, it is not a valid Unicode record. Jump back, and we need |
849 | // No, it is not a valid Unicode record. Jump back, and we need |
838 | // to assume that the following record will be a valid ANSI record. |
850 | // to assume that the following record will be a valid ANSI record. |
839 | fs.Position := bakPosition; |
851 | fs.Position := bakPosition; |
840 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
852 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
841 | end; |
853 | end; |
842 | end |
854 | end |
843 | else |
855 | else |
844 | begin |
856 | begin |
845 | // No, there is not enough space left for an Unicode record. |
857 | // No, there is not enough space left for an Unicode record. |
846 | // So we assume that the following record will be a valid ANSI record. |
858 | // So we assume that the following record will be a valid ANSI record. |
847 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
859 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
848 | end; |
860 | end; |
849 | end; |
861 | end; |
850 | end |
862 | end |
851 | else |
863 | else |
852 | begin |
864 | begin |
853 | // This is the code for non-tolerant reading of the records. |
865 | // This is the code for non-tolerant reading of the records. |
854 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
866 | fs.ReadBuffer(infoHdr, SizeOf(infoHdr)); |
855 | case infoHdr.recordLength of |
867 | case infoHdr.recordLength of |
856 | SizeOf(TRbInfoRecordA): |
868 | SizeOf(TRbInfoRecordA): |
857 | begin |
869 | begin |
858 | while fs.Position < fs.size do |
870 | while fs.Position < fs.size do |
859 | begin |
871 | begin |
860 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
872 | list.Add(TRbInfoAItem.Create(fs, AFile)); |
861 | end; |
873 | end; |
862 | end; |
874 | end; |
863 | SizeOf(TRbInfoRecordW): |
875 | SizeOf(TRbInfoRecordW): |
864 | begin |
876 | begin |
865 | while fs.Position < fs.size do |
877 | while fs.Position < fs.size do |
866 | begin |
878 | begin |
867 | list.Add(TRbInfoWItem.Create(fs, AFile)); |
879 | list.Add(TRbInfoWItem.Create(fs, AFile)); |
868 | end; |
880 | end; |
869 | end |
881 | end |
870 | else |
882 | else |
871 | begin |
883 | begin |
872 | raise Exception.CreateFmt(LNG_INVALID_INFO_FORMAT, [AFile]); |
884 | raise Exception.CreateFmt(LNG_INVALID_INFO_FORMAT, [AFile]); |
873 | end; |
885 | end; |
874 | end; |
886 | end; |
875 | end; |
887 | end; |
876 | end; |
888 | end; |
877 | finally |
889 | finally |
878 | FreeAndNil(fs); |
890 | FreeAndNil(fs); |
879 | end; |
891 | end; |
880 | end; |
892 | end; |
881 | 893 | ||
882 | procedure _HandleVistaDir(ADirectory: string); |
894 | procedure _HandleVistaDir(ADirectory: string); |
883 | var |
895 | var |
884 | SR: TSearchRec; |
896 | SR: TSearchRec; |
885 | fs: TFileStream; |
897 | fs: TFileStream; |
886 | id: string; |
898 | id: string; |
887 | begin |
899 | begin |
888 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
900 | ADirectory := IncludeTrailingPathDelimiter(ADirectory); |
889 | 901 | ||
890 | if FindFirst(ADirectory + '$I*', faAnyFile, SR) = 0 then |
902 | if FindFirst(ADirectory + '$I*', faAnyFile, SR) = 0 then |
891 | begin |
903 | begin |
892 | repeat |
904 | repeat |
893 | id := sr.Name; |
905 | id := sr.Name; |
894 | { id := ChangeFileExt(id, ''); } // Removed code: We keep the file extention as part of the ID, because we do not know if the ID is otherwise unique |
906 | { id := ChangeFileExt(id, ''); } // Removed code: We keep the file extention as part of the ID, because we do not know if the ID is otherwise unique |
895 | id := Copy(id, 3, Length(id)-2); |
907 | id := Copy(id, 3, Length(id)-2); |
896 | 908 | ||
897 | fs := TFileStream.Create(ADirectory+sr.Name, fmOpenRead); |
909 | fs := TFileStream.Create(ADirectory+sr.Name, fmOpenRead); |
898 | try |
910 | try |
899 | fs.Seek(0, soFromBeginning); |
911 | fs.Seek(0, soFromBeginning); |
900 | list.Add(TRbVistaItem.Create(fs, ADirectory+sr.Name, id)); |
912 | list.Add(TRbVistaItem.Create(fs, ADirectory+sr.Name, id)); |
901 | finally |
913 | finally |
902 | FreeAndNil(fs); |
914 | FreeAndNil(fs); |
903 | end; |
915 | end; |
904 | until FindNext(SR) <> 0; |
916 | until FindNext(SR) <> 0; |
905 | end; |
917 | end; |
906 | FindClose(SR); |
918 | FindClose(SR); |
907 | end; |
919 | end; |
908 | 920 | ||
909 | begin |
921 | begin |
910 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
922 | if DirectoryExists(FFileOrDirectory) then // Vista, as well as directories with INFO and INFO2 |
911 | begin |
923 | begin |
912 | _HandleVistaDir(FFileOrDirectory); |
924 | _HandleVistaDir(FFileOrDirectory); |
913 | 925 | ||
914 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
926 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2') then |
915 | begin |
927 | begin |
916 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
928 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO2'); |
917 | end; |
929 | end; |
918 | 930 | ||
919 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
931 | if FileExists(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO') then |
920 | begin |
932 | begin |
921 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
933 | _HandleIndexFile(IncludeTrailingPathDelimiter(FFileOrDirectory) + 'INFO'); |
922 | end; |
934 | end; |
923 | end |
935 | end |
924 | else if FileExists(FFileOrDirectory) then |
936 | else if FileExists(FFileOrDirectory) then |
925 | begin |
937 | begin |
926 | _HandleIndexFile(FFileOrDirectory); // Either INFO, or INFO2, or a single Vista index file |
938 | _HandleIndexFile(FFileOrDirectory); // Either INFO, or INFO2, or a single Vista index file |
927 | end |
939 | end |
928 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
940 | else raise Exception.CreateFmt(LNG_FILE_NOT_FOUND, [FFileOrDirectory]); |
929 | end; |
941 | end; |
930 | 942 | ||
931 | { TRbDrive } |
943 | { TRbDrive } |
932 | 944 | ||
933 | procedure TRbDrive.CheckDriveExisting; |
945 | procedure TRbDrive.CheckDriveExisting; |
934 | begin |
946 | begin |
935 | // Does the drive exist? |
947 | // Does the drive exist? |
936 | // see http://www.delphipraxis.net/post2933.html |
948 | // see http://www.delphipraxis.net/post2933.html |
937 | if not GetLogicalDrives and (1 shl DriveNumber) <> 0 then |
949 | if not GetLogicalDrives and (1 shl DriveNumber) <> 0 then |
938 | begin |
950 | begin |
939 | raise EInvalidDrive.CreateFmt(LNG_DRIVE_NOT_EXISTING, [UpperCase(FDriveLetter)+':']); |
951 | raise EInvalidDrive.CreateFmt(LNG_DRIVE_NOT_EXISTING, [UpperCase(FDriveLetter)+':']); |
940 | end; |
952 | end; |
941 | end; |
953 | end; |
942 | 954 | ||
943 | constructor TRbDrive.Create(ADriveLetter: Char); |
955 | constructor TRbDrive.Create(ADriveLetter: Char); |
944 | begin |
956 | begin |
945 | inherited Create; |
957 | inherited Create; |
946 | 958 | ||
947 | FDriveLetter := ADriveLetter; |
959 | FDriveLetter := ADriveLetter; |
948 | CheckDriveExisting; |
960 | CheckDriveExisting; |
949 | end; |
961 | end; |
950 | 962 | ||
951 | function TRbDrive.DiskSize: integer; |
963 | function TRbDrive.DiskSize: integer; |
952 | begin |
964 | begin |
953 | result := SysUtils.DiskSize(DriveNumber+1 {0 is current, 1 is A}) div (1024*1024); |
965 | result := SysUtils.DiskSize(DriveNumber+1 {0 is current, 1 is A}) div (1024*1024); |
954 | end; |
966 | end; |
955 | 967 | ||
956 | function TRbDrive.DriveNumber: integer; |
968 | function TRbDrive.DriveNumber: integer; |
957 | begin |
969 | begin |
958 | result := DriveLetterToDriveNumber(FDriveLetter); |
970 | result := DriveLetterToDriveNumber(FDriveLetter); |
959 | end; |
971 | end; |
960 | 972 | ||
961 | function TRbDrive.GetAPIInfo: TSHQueryRBInfo; |
973 | function TRbDrive.GetAPIInfo: TSHQueryRBInfo; |
962 | var |
974 | var |
963 | PSHQueryRecycleBin: TSHQueryRecycleBin; |
975 | PSHQueryRecycleBin: TSHQueryRecycleBin; |
964 | RBHandle: THandle; |
976 | RBHandle: THandle; |
965 | res: HRESULT; |
977 | res: HRESULT; |
966 | Path: string; |
978 | Path: string; |
967 | begin |
979 | begin |
968 | Path := FDriveLetter + ':\'; |
980 | Path := FDriveLetter + ':\'; |
969 | 981 | ||
970 | // Ref: http://www.delphipraxis.net/post1291.html |
982 | // Ref: http://www.delphipraxis.net/post1291.html |
971 | 983 | ||
972 | RBHandle := LoadLibrary(shell32); |
984 | RBHandle := LoadLibrary(shell32); |
973 | try |
985 | try |
974 | PSHQueryRecycleBin := nil; |
986 | PSHQueryRecycleBin := nil; |
975 | if RBHandle <> 0 then |
987 | if RBHandle <> 0 then |
976 | begin |
988 | begin |
977 | PSHQueryRecycleBin := GetProcAddress(RBHandle, C_SHQueryRecycleBin); |
989 | PSHQueryRecycleBin := GetProcAddress(RBHandle, C_SHQueryRecycleBin); |
978 | if not Assigned(@PSHQueryRecycleBin) then |
990 | if not Assigned(@PSHQueryRecycleBin) then |
979 | begin |
991 | begin |
980 | FreeLibrary(RBHandle); |
992 | FreeLibrary(RBHandle); |
981 | RBHandle := 0; |
993 | RBHandle := 0; |
982 | end; |
994 | end; |
983 | end; |
995 | end; |
984 | 996 | ||
985 | FillChar(result, SizeOf(TSHQueryRBInfo), 0); |
997 | FillChar(result, SizeOf(TSHQueryRBInfo), 0); |
986 | result.cbSize := SizeOf(TSHQueryRBInfo); |
998 | result.cbSize := SizeOf(TSHQueryRBInfo); |
987 | 999 | ||
988 | if (RBHandle <> 0) and Assigned(PSHQueryRecycleBin) then |
1000 | if (RBHandle <> 0) and Assigned(PSHQueryRecycleBin) then |
989 | begin |
1001 | begin |
990 | res := PSHQueryRecycleBin(PChar(Path), result); |
1002 | res := PSHQueryRecycleBin(PChar(Path), result); |
991 | // if Succeeded(res) then |
1003 | // if Succeeded(res) then |
992 | if res = S_OK then |
1004 | if res = S_OK then |
993 | begin |
1005 | begin |
994 | // Alles OK, unser result hat nun die gewünschten Daten. |
1006 | // Alles OK, unser result hat nun die gewünschten Daten. |
995 | end |
1007 | end |
996 | else |
1008 | else |
997 | begin |
1009 | begin |
998 | // Since Windows Vista, SHQueryRecycleBin will fail with E_FAIL (80004005) |
1010 | // Since Windows Vista, SHQueryRecycleBin will fail with E_FAIL (80004005) |
999 | // if Path is a floppy or CD drive... |
1011 | // if Path is a floppy or CD drive... |
1000 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_ERROR_CODE, [C_SHQueryRecycleBin, Path, '0x'+IntToHex(res, 2*SizeOf(HRESULT))])]); |
1012 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_ERROR_CODE, [C_SHQueryRecycleBin, Path, '0x'+IntToHex(res, 2*SizeOf(HRESULT))])]); |
1001 | end; |
1013 | end; |
1002 | end |
1014 | end |
1003 | else |
1015 | else |
1004 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHQueryRecycleBin])]); |
1016 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHQueryRecycleBin])]); |
1005 | finally |
1017 | finally |
1006 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
1018 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
1007 | end; |
1019 | end; |
1008 | end; |
1020 | end; |
1009 | 1021 | ||
1010 | function TRbDrive.GetMaxPercentUsage: Extended; |
1022 | function TRbDrive.GetMaxPercentUsage: Extended; |
1011 | var |
1023 | var |
1012 | abs: integer; // in MB |
1024 | abs: integer; // in MB |
1013 | rel: integer; // in % (0-100) |
1025 | rel: integer; // in % (0-100) |
1014 | gpSetting: integer; |
1026 | gpSetting: integer; |
1015 | const |
1027 | const |
1016 | DEFAULT_PERCENT = 10; // Windows 95 default |
1028 | DEFAULT_PERCENT = 10; // Windows 95 default |
1017 | begin |
1029 | begin |
1018 | gpSetting := TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize; |
1030 | gpSetting := TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize; |
1019 | if gpSetting <> -1 then |
1031 | if gpSetting <> -1 then |
1020 | result := gpSetting / 100 |
1032 | result := gpSetting / 100 |
1021 | else if TRecycleBinManager.UsesGlobalSettings then |
1033 | else if TRecycleBinManager.UsesGlobalSettings then |
1022 | result := TRecycleBinManager.GetGlobalMaxPercentUsage / 100 |
1034 | result := TRecycleBinManager.GetGlobalMaxPercentUsage / 100 |
1023 | else if OldCapacityPercent(rel) then |
1035 | else if OldCapacityPercent(rel) then |
1024 | begin |
1036 | begin |
1025 | result := rel / 100; |
1037 | result := rel / 100; |
1026 | end |
1038 | end |
1027 | else if NewCapacityAbsolute(abs) then |
1039 | else if NewCapacityAbsolute(abs) then |
1028 | begin |
1040 | begin |
1029 | result := abs / DiskSize; |
1041 | result := abs / DiskSize; |
1030 | end |
1042 | end |
1031 | else |
1043 | else |
1032 | begin |
1044 | begin |
1033 | result := DEFAULT_PERCENT / 100; |
1045 | result := DEFAULT_PERCENT / 100; |
1034 | end; |
1046 | end; |
1035 | end; |
1047 | end; |
1036 | 1048 | ||
1037 | function TRbDrive.GetMaxAbsoluteUsage: integer; |
1049 | function TRbDrive.GetMaxAbsoluteUsage: integer; |
1038 | var |
1050 | var |
1039 | abs: integer; // in MB |
1051 | abs: integer; // in MB |
1040 | rel: integer; // in % (0-100) |
1052 | rel: integer; // in % (0-100) |
1041 | gpSetting: integer; |
1053 | gpSetting: integer; |
1042 | const |
1054 | const |
1043 | DEFAULT_PERCENT = 10; // Windows 95 default |
1055 | DEFAULT_PERCENT = 10; // Windows 95 default |
1044 | begin |
1056 | begin |
1045 | gpSetting := TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize; |
1057 | gpSetting := TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize; |
1046 | if gpSetting <> -1 then |
1058 | if gpSetting <> -1 then |
1047 | result := Ceil(gpSetting/100 * DiskSize) |
1059 | result := Ceil(gpSetting/100 * DiskSize) |
1048 | else if TRecycleBinManager.UsesGlobalSettings then |
1060 | else if TRecycleBinManager.UsesGlobalSettings then |
1049 | result := Ceil(TRecycleBinManager.GetGlobalMaxPercentUsage/100 * DiskSize) |
1061 | result := Ceil(TRecycleBinManager.GetGlobalMaxPercentUsage/100 * DiskSize) |
1050 | else if NewCapacityAbsolute(abs) then |
1062 | else if NewCapacityAbsolute(abs) then |
1051 | begin |
1063 | begin |
1052 | result := abs; |
1064 | result := abs; |
1053 | end |
1065 | end |
1054 | else if OldCapacityPercent(rel) then |
1066 | else if OldCapacityPercent(rel) then |
1055 | begin |
1067 | begin |
1056 | result := Ceil(rel/100 * DiskSize); |
1068 | result := Ceil(rel/100 * DiskSize); |
1057 | end |
1069 | end |
1058 | else |
1070 | else |
1059 | begin |
1071 | begin |
1060 | result := Ceil(DEFAULT_PERCENT/100 * DiskSize); |
1072 | result := Ceil(DEFAULT_PERCENT/100 * DiskSize); |
1061 | end; |
1073 | end; |
1062 | end; |
1074 | end; |
1063 | 1075 | ||
1064 | function TRbDrive.OldCapacityPercent(var res: integer): boolean; |
1076 | function TRbDrive.OldCapacityPercent(var res: integer): boolean; |
1065 | var |
1077 | var |
1066 | reg: TRegistry; |
1078 | reg: TRegistry; |
1067 | purgeInfo: TRbWin95PurgeInfo; |
1079 | purgeInfo: TRbWin95PurgeInfo; |
1068 | begin |
1080 | begin |
1069 | if Win32MajorVersion >= 6 then |
1081 | if Win32MajorVersion >= 6 then |
1070 | begin |
1082 | begin |
1071 | // Only available till Windows XP |
1083 | // Only available till Windows XP |
1072 | result := false; |
1084 | result := false; |
1073 | exit; |
1085 | exit; |
1074 | end; |
1086 | end; |
1075 | 1087 | ||
1076 | result := false; |
1088 | result := false; |
1077 | 1089 | ||
1078 | reg := TRegistry.Create; |
1090 | reg := TRegistry.Create; |
1079 | try |
1091 | try |
1080 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1092 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1081 | 1093 | ||
1082 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1094 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1083 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1095 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1084 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1096 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1085 | begin |
1097 | begin |
1086 | if reg.OpenKeyReadOnly(FDriveLetter) then |
1098 | if reg.OpenKeyReadOnly(FDriveLetter) then |
1087 | begin |
1099 | begin |
1088 | if reg.ValueExists('Percent') then |
1100 | if reg.ValueExists('Percent') then |
1089 | begin |
1101 | begin |
1090 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1102 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1091 | 1103 | ||
1092 | res := reg.ReadInteger('Percent'); |
1104 | res := reg.ReadInteger('Percent'); |
1093 | result := true; |
1105 | result := true; |
1094 | end; |
1106 | end; |
1095 | end |
1107 | end |
1096 | else |
1108 | else |
1097 | begin |
1109 | begin |
1098 | if reg.ValueExists('PurgeInfo') then |
1110 | if reg.ValueExists('PurgeInfo') then |
1099 | begin |
1111 | begin |
1100 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1112 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1101 | 1113 | ||
1102 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1114 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1103 | 1115 | ||
1104 | res := purgeInfo.percentDrive[FDriveLetter]; |
1116 | res := purgeInfo.percentDrive[FDriveLetter]; |
1105 | result := true; |
1117 | result := true; |
1106 | end; |
1118 | end; |
1107 | end; |
1119 | end; |
1108 | 1120 | ||
1109 | reg.CloseKey; |
1121 | reg.CloseKey; |
1110 | end; |
1122 | end; |
1111 | finally |
1123 | finally |
1112 | reg.Free; |
1124 | reg.Free; |
1113 | end; |
1125 | end; |
1114 | end; |
1126 | end; |
1115 | 1127 | ||
1116 | function TRbDrive.NewCapacityAbsolute(var res: integer): boolean; |
1128 | function TRbDrive.NewCapacityAbsolute(var res: integer): boolean; |
1117 | var |
1129 | var |
1118 | reg: TRegistry; |
1130 | reg: TRegistry; |
1119 | begin |
1131 | begin |
1120 | if Win32MajorVersion < 6 then |
1132 | if Win32MajorVersion < 6 then |
1121 | begin |
1133 | begin |
1122 | // Only available since Windows Vista |
1134 | // Only available since Windows Vista |
1123 | result := false; |
1135 | result := false; |
1124 | exit; |
1136 | exit; |
1125 | end; |
1137 | end; |
1126 | 1138 | ||
1127 | result := false; |
1139 | result := false; |
1128 | 1140 | ||
1129 | reg := TRegistry.Create; |
1141 | reg := TRegistry.Create; |
1130 | try |
1142 | try |
1131 | reg.RootKey := HKEY_CURRENT_USER; |
1143 | reg.RootKey := HKEY_CURRENT_USER; |
1132 | 1144 | ||
1133 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume') then |
1145 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume') then |
1134 | begin |
1146 | begin |
1135 | // Windows Vista and upwards |
1147 | // Windows Vista and upwards |
1136 | if reg.OpenKeyReadOnly(GUIDToString(VolumeGUID)) then |
1148 | if reg.OpenKeyReadOnly(GUIDToString(VolumeGUID)) then |
1137 | begin |
1149 | begin |
1138 | res := reg.ReadInteger('MaxCapacity'); // in MB |
1150 | res := reg.ReadInteger('MaxCapacity'); // in MB |
1139 | result := true; |
1151 | result := true; |
1140 | end; |
1152 | end; |
1141 | reg.CloseKey; |
1153 | reg.CloseKey; |
1142 | end; |
1154 | end; |
1143 | finally |
1155 | finally |
1144 | reg.Free; |
1156 | reg.Free; |
1145 | end; |
1157 | end; |
1146 | end; |
1158 | end; |
1147 | 1159 | ||
1148 | function TRbDrive.GetNukeOnDelete: boolean; |
1160 | function TRbDrive.GetNukeOnDelete: boolean; |
1149 | var |
1161 | var |
1150 | reg: TRegistry; |
1162 | reg: TRegistry; |
1151 | purgeInfo: TRbWin95PurgeInfo; |
1163 | purgeInfo: TRbWin95PurgeInfo; |
1152 | const |
1164 | const |
1153 | RES_DEFAULT = false; // Windows 95 default |
1165 | RES_DEFAULT = false; // Windows 95 default |
1154 | begin |
1166 | begin |
1155 | if TRecycleBinManager.RecyclerGroupPolicyNoRecycleFiles = gpEnabled then |
1167 | if TRecycleBinManager.RecyclerGroupPolicyNoRecycleFiles = gpEnabled then |
1156 | result := true |
1168 | result := true |
1157 | else if TRecycleBinManager.UsesGlobalSettings then |
1169 | else if TRecycleBinManager.UsesGlobalSettings then |
1158 | result := TRecycleBinManager.GetGlobalNukeOnDelete |
1170 | result := TRecycleBinManager.GetGlobalNukeOnDelete |
1159 | else |
1171 | else |
1160 | begin |
1172 | begin |
1161 | result := RES_DEFAULT; |
1173 | result := RES_DEFAULT; |
1162 | 1174 | ||
1163 | reg := TRegistry.Create; |
1175 | reg := TRegistry.Create; |
1164 | try |
1176 | try |
1165 | reg.RootKey := HKEY_CURRENT_USER; |
1177 | reg.RootKey := HKEY_CURRENT_USER; |
1166 | 1178 | ||
1167 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume') then |
1179 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer\BitBucket\Volume') then |
1168 | begin |
1180 | begin |
1169 | // Windows Vista and upwards |
1181 | // Windows Vista and upwards |
1170 | if reg.OpenKeyReadOnly(GUIDToString(VolumeGUID)) then |
1182 | if reg.OpenKeyReadOnly(GUIDToString(VolumeGUID)) then |
1171 | begin |
1183 | begin |
1172 | result := reg.ReadBool('NukeOnDelete'); |
1184 | result := reg.ReadBool('NukeOnDelete'); |
1173 | end; |
1185 | end; |
1174 | reg.CloseKey; |
1186 | reg.CloseKey; |
1175 | end |
1187 | end |
1176 | else |
1188 | else |
1177 | begin |
1189 | begin |
1178 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1190 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1179 | 1191 | ||
1180 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1192 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1181 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1193 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1182 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1194 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1183 | begin |
1195 | begin |
1184 | if reg.OpenKeyReadOnly(FDriveLetter) then |
1196 | if reg.OpenKeyReadOnly(FDriveLetter) then |
1185 | begin |
1197 | begin |
1186 | if reg.ValueExists('NukeOnDelete') then |
1198 | if reg.ValueExists('NukeOnDelete') then |
1187 | begin |
1199 | begin |
1188 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1200 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1189 | 1201 | ||
1190 | result := reg.ReadBool('NukeOnDelete'); |
1202 | result := reg.ReadBool('NukeOnDelete'); |
1191 | end; |
1203 | end; |
1192 | end |
1204 | end |
1193 | else |
1205 | else |
1194 | begin |
1206 | begin |
1195 | if reg.ValueExists('PurgeInfo') then |
1207 | if reg.ValueExists('PurgeInfo') then |
1196 | begin |
1208 | begin |
1197 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1209 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1198 | 1210 | ||
1199 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1211 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1200 | 1212 | ||
1201 | result := ((purgeInfo.NukeOnDeleteBits shr DriveNumber) and 1) = 1; |
1213 | result := ((purgeInfo.NukeOnDeleteBits shr DriveNumber) and 1) = 1; |
1202 | end; |
1214 | end; |
1203 | end; |
1215 | end; |
1204 | 1216 | ||
1205 | reg.CloseKey; |
1217 | reg.CloseKey; |
1206 | end; |
1218 | end; |
1207 | end; |
1219 | end; |
1208 | finally |
1220 | finally |
1209 | reg.Free; |
1221 | reg.Free; |
1210 | end; |
1222 | end; |
1211 | end; |
1223 | end; |
1212 | end; |
1224 | end; |
1213 | 1225 | ||
1214 | function TRbDrive.GetNumItems: int64; |
1226 | function TRbDrive.GetNumItems: int64; |
1215 | begin |
1227 | begin |
1216 | result := GetAPIInfo.i64NumItems; |
1228 | result := GetAPIInfo.i64NumItems; |
1217 | end; |
1229 | end; |
1218 | 1230 | ||
1219 | function TRbDrive.GetSize: int64; |
1231 | function TRbDrive.GetSize: int64; |
1220 | begin |
1232 | begin |
1221 | result := GetAPIInfo.i64Size; |
1233 | result := GetAPIInfo.i64Size; |
1222 | end; |
1234 | end; |
1223 | 1235 | ||
1224 | function TRbDrive.GetVolumeGUID: TGUID; |
1236 | function TRbDrive.GetVolumeGUID: TGUID; |
1225 | begin |
1237 | begin |
1226 | if GetDriveGUID(FDriveLetter, result) <> ERROR_SUCCESS then |
1238 | if GetDriveGUID(FDriveLetter, result) <> ERROR_SUCCESS then |
1227 | begin |
1239 | begin |
1228 | result := NULL_GUID; |
1240 | result := NULL_GUID; |
1229 | end; |
1241 | end; |
1230 | end; |
1242 | end; |
1231 | 1243 | ||
1232 | function TRbDrive.GetVolumeGUIDAvailable: boolean; |
1244 | function TRbDrive.GetVolumeGUIDAvailable: boolean; |
1233 | begin |
1245 | begin |
1234 | result := not IsEqualGUID(VolumeGUID, NULL_GUID); |
1246 | result := not IsEqualGUID(VolumeGUID, NULL_GUID); |
1235 | end; |
1247 | end; |
1236 | 1248 | ||
1237 | function TRbDrive.IsEmpty: boolean; |
1249 | function TRbDrive.IsEmpty: boolean; |
1238 | begin |
1250 | begin |
1239 | result := GetNumItems = 0; |
1251 | result := GetNumItems = 0; |
1240 | end; |
1252 | end; |
1241 | 1253 | ||
1242 | function TRbDrive.IsFAT: boolean; |
1254 | function TRbDrive.IsFAT: boolean; |
1243 | var |
1255 | var |
1244 | Dummy2: DWORD; |
1256 | Dummy2: DWORD; |
1245 | Dummy3: DWORD; |
1257 | Dummy3: DWORD; |
1246 | FileSystem: array[0..MAX_PATH] of char; |
1258 | FileSystem: array[0..MAX_PATH] of char; |
1247 | VolumeName: array[0..MAX_PATH] of char; |
1259 | VolumeName: array[0..MAX_PATH] of char; |
1248 | s: string; |
1260 | s: string; |
1249 | begin |
1261 | begin |
1250 | s := FDriveLetter + DriveDelim + PathDelim; // ohne die Auslagerung in einen String kommt es zu einer AV in ntdll |
1262 | s := FDriveLetter + DriveDelim + PathDelim; // ohne die Auslagerung in einen String kommt es zu einer AV in ntdll |
1251 | GetVolumeInformation(PChar(s), VolumeName, |
1263 | GetVolumeInformation(PChar(s), VolumeName, |
1252 | SizeOf(VolumeName), nil, Dummy2, Dummy3, FileSystem, SizeOf(FileSystem)); |
1264 | SizeOf(VolumeName), nil, Dummy2, Dummy3, FileSystem, SizeOf(FileSystem)); |
1253 | result := uppercase(copy(FileSystem, 0, 3)) = 'FAT'; |
1265 | result := uppercase(copy(FileSystem, 0, 3)) = 'FAT'; |
1254 | end; |
1266 | end; |
1255 | 1267 | ||
1256 | procedure TRbDrive.ListRecycleBins(list: TObjectList{TRbRecycleBin}; UserSID: string=''); |
1268 | procedure TRbDrive.ListRecycleBins(list: TObjectList{TRbRecycleBin}; UserSID: string=''); |
1257 | 1269 | ||
1258 | procedure _AddSIDFolders(dir: string; wholeFolder: boolean); |
1270 | procedure _AddSIDFolders(dir: string; wholeFolder: boolean); |
1259 | var |
1271 | var |
1260 | SR: TSearchRec; |
1272 | SR: TSearchRec; |
1261 | begin |
1273 | begin |
1262 | dir := IncludeTrailingPathDelimiter(dir); |
1274 | dir := IncludeTrailingPathDelimiter(dir); |
1263 | if FindFirst(dir+'S-*', faAnyFile, SR) = 0 then |
1275 | if FindFirst(dir+'S-*', faAnyFile, SR) = 0 then |
1264 | begin |
1276 | begin |
1265 | try |
1277 | try |
1266 | repeat |
1278 | repeat |
1267 | if (SR.Name = '.') or (SR.Name = '..') or not DirectoryExists(dir + SR.Name) then continue; |
1279 | if (SR.Name = '.') or (SR.Name = '..') or not DirectoryExists(dir + SR.Name) then continue; |
1268 | 1280 | ||
1269 | if wholeFolder then |
1281 | if wholeFolder then |
1270 | begin |
1282 | begin |
1271 | // Vista |
1283 | // Vista |
1272 | list.Add(TRbRecycleBin.Create(dir+SR.Name, SR.Name)); |
1284 | list.Add(TRbRecycleBin.Create(dir+SR.Name, SR.Name)); |
1273 | end |
1285 | end |
1274 | else |
1286 | else |
1275 | begin |
1287 | begin |
1276 | // Win95 .. WinXP |
1288 | // Win95 .. WinXP |
1277 | if FileExists(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO2') then |
1289 | if FileExists(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO2') then |
1278 | list.Add(TRbRecycleBin.Create(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO2', SR.Name)); |
1290 | list.Add(TRbRecycleBin.Create(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO2', SR.Name)); |
1279 | if FileExists(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO') then |
1291 | if FileExists(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO') then |
1280 | list.Add(TRbRecycleBin.Create(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO', SR.Name)); |
1292 | list.Add(TRbRecycleBin.Create(IncludeTrailingPathDelimiter(dir+SR.Name) + 'INFO', SR.Name)); |
1281 | end; |
1293 | end; |
1282 | until FindNext(SR) <> 0; |
1294 | until FindNext(SR) <> 0; |
1283 | finally |
1295 | finally |
1284 | FindClose(SR); |
1296 | FindClose(SR); |
1285 | end; |
1297 | end; |
1286 | end; |
1298 | end; |
1287 | end; |
1299 | end; |
1288 | 1300 | ||
1289 | var |
1301 | var |
1290 | dir: string; |
1302 | dir: string; |
1291 | begin |
1303 | begin |
1292 | // Find recyclers from Windows Vista or higher |
1304 | // Find recyclers from Windows Vista or higher |
1293 | 1305 | ||
1294 | if IsFAT then |
1306 | if IsFAT then |
1295 | begin |
1307 | begin |
1296 | dir := FDriveLetter + DriveDelim + PathDelim + '$recycle.bin' + PathDelim; |
1308 | dir := FDriveLetter + DriveDelim + PathDelim + '$recycle.bin' + PathDelim; |
1297 | if DirectoryExists(dir) then |
1309 | if DirectoryExists(dir) then |
1298 | begin |
1310 | begin |
1299 | list.Add(TRbRecycleBin.Create(dir)); |
1311 | list.Add(TRbRecycleBin.Create(dir)); |
1300 | end; |
1312 | end; |
1301 | end |
1313 | end |
1302 | else |
1314 | else |
1303 | begin |
1315 | begin |
1304 | if UserSID <> '' then |
1316 | if UserSID <> '' then |
1305 | begin |
1317 | begin |
1306 | dir := FDriveLetter + DriveDelim + PathDelim + '$recycle.bin' + PathDelim + UserSID + PathDelim; |
1318 | dir := FDriveLetter + DriveDelim + PathDelim + '$recycle.bin' + PathDelim + UserSID + PathDelim; |
1307 | if DirectoryExists(dir) then |
1319 | if DirectoryExists(dir) then |
1308 | begin |
1320 | begin |
1309 | list.Add(TRbRecycleBin.Create(dir, UserSID)); |
1321 | list.Add(TRbRecycleBin.Create(dir, UserSID)); |
1310 | end; |
1322 | end; |
1311 | end |
1323 | end |
1312 | else |
1324 | else |
1313 | begin |
1325 | begin |
1314 | _AddSIDFolders(FDriveLetter + DriveDelim + PathDelim + '$recycle.bin', true); |
1326 | _AddSIDFolders(FDriveLetter + DriveDelim + PathDelim + '$recycle.bin', true); |
1315 | end; |
1327 | end; |
1316 | end; |
1328 | end; |
1317 | 1329 | ||
1318 | // Find recyclers from Windows before Vista |
1330 | // Find recyclers from Windows before Vista |
1319 | 1331 | ||
1320 | if IsFAT then |
1332 | if IsFAT then |
1321 | begin |
1333 | begin |
1322 | dir := FDriveLetter + DriveDelim + PathDelim + 'Recycled' + PathDelim; |
1334 | dir := FDriveLetter + DriveDelim + PathDelim + 'Recycled' + PathDelim; |
1323 | 1335 | ||
1324 | // Both "recycle bins" are possible if you have multiboot (but do overwrite themselfes if you empty them) |
1336 | // Both "recycle bins" are possible if you have multiboot (but do overwrite themselfes if you empty them) |
1325 | if FileExists(dir + 'INFO2') then |
1337 | if FileExists(dir + 'INFO2') then |
1326 | list.Add(TRbRecycleBin.Create(dir + 'INFO2')); // Windows 95 with Internet Explorer 4 Extension or higher Windows 9x versions |
1338 | list.Add(TRbRecycleBin.Create(dir + 'INFO2')); // Windows 95 with Internet Explorer 4 Extension or higher Windows 9x versions |
1327 | if FileExists(dir + 'INFO') then |
1339 | if FileExists(dir + 'INFO') then |
1328 | list.Add(TRbRecycleBin.Create(dir + 'INFO')); // Windows 95 native |
1340 | list.Add(TRbRecycleBin.Create(dir + 'INFO')); // Windows 95 native |
1329 | end |
1341 | end |
1330 | else |
1342 | else |
1331 | begin |
1343 | begin |
1332 | if UserSID <> '' then |
1344 | if UserSID <> '' then |
1333 | begin |
1345 | begin |
1334 | dir := FDriveLetter + DriveDelim + PathDelim + 'Recycler' + PathDelim + UserSID + PathDelim; |
1346 | dir := FDriveLetter + DriveDelim + PathDelim + 'Recycler' + PathDelim + UserSID + PathDelim; |
1335 | 1347 | ||
1336 | if FileExists(dir + 'INFO2') then |
1348 | if FileExists(dir + 'INFO2') then |
1337 | list.Add(TRbRecycleBin.Create(dir + 'INFO2', UserSID)); // Windows 2000+ |
1349 | list.Add(TRbRecycleBin.Create(dir + 'INFO2', UserSID)); // Windows 2000+ |
1338 | if FileExists(dir + 'INFO') then |
1350 | if FileExists(dir + 'INFO') then |
1339 | list.Add(TRbRecycleBin.Create(dir + 'INFO', UserSID)); // Windows NT 4 |
1351 | list.Add(TRbRecycleBin.Create(dir + 'INFO', UserSID)); // Windows NT 4 |
1340 | end |
1352 | end |
1341 | else |
1353 | else |
1342 | begin |
1354 | begin |
1343 | _AddSIDFolders(FDriveLetter + DriveDelim + PathDelim + 'Recycler', false); |
1355 | _AddSIDFolders(FDriveLetter + DriveDelim + PathDelim + 'Recycler', false); |
1344 | end; |
1356 | end; |
1345 | end; |
1357 | end; |
1346 | end; |
1358 | end; |
1347 | 1359 | ||
1348 | { TRbInfoAItem } |
1360 | { TRbInfoAItem } |
1349 | 1361 | ||
1350 | procedure TRbInfoAItem.ReadFromStream(stream: TStream); |
1362 | procedure TRbInfoAItem.ReadFromStream(stream: TStream); |
1351 | var |
1363 | var |
1352 | r: TRbInfoRecordA; |
1364 | r: TRbInfoRecordA; |
1353 | begin |
1365 | begin |
1354 | stream.ReadBuffer(r, SizeOf(r)); |
1366 | stream.ReadBuffer(r, SizeOf(r)); |
1355 | 1367 | ||
1356 | FSourceDrive := Chr(Ord('A') + r.sourceDrive); |
1368 | FSourceDrive := Chr(Ord('A') + r.sourceDrive); |
1357 | 1369 | ||
1358 | // Win95 with IE4 and Win2000+: |
1370 | // Win95 with IE4 and Win2000+: |
1359 | // Wenn ein Eintrag aus der INFO/INFO2 gelöscht wird, dann wird das erste Byte |
1371 | // Wenn ein Eintrag aus der INFO/INFO2 gelöscht wird, dann wird das erste Byte |
1360 | // von sourceAnsi auf Null gesetzt, damit die ganze INFO/INFO2 Datei nicht |
1372 | // von sourceAnsi auf Null gesetzt, damit die ganze INFO/INFO2 Datei nicht |
1361 | // ständig neu geschrieben werden muss (so wie es bei Win95 und WinNT4 der Fall war). |
1373 | // ständig neu geschrieben werden muss (so wie es bei Win95 und WinNT4 der Fall war). |
1362 | // Wir lesen den Eintrag trotzdem, da unsere Software ja auch zu forensischen |
1374 | // Wir lesen den Eintrag trotzdem, da unsere Software ja auch zu forensischen |
1363 | // Zwecken eingesetzt werden soll. |
1375 | // Zwecken eingesetzt werden soll. |
1364 | if r.sourceAnsi[0] = #0 then |
1376 | if r.sourceAnsi[0] = #0 then |
1365 | begin |
1377 | begin |
1366 | FRemovedEntry := true; |
1378 | FRemovedEntry := true; |
1367 | r.sourceAnsi[0] := FSourceDrive; |
1379 | r.sourceAnsi[0] := FSourceDrive; |
1368 | end; |
1380 | end; |
1369 | 1381 | ||
1370 | FSourceAnsi := r.sourceAnsi; |
1382 | FSourceAnsi := r.sourceAnsi; |
1371 | FSourceUnicode := r.sourceAnsi; // Unicode does not exist in INFO(1) structure |
1383 | FSourceUnicode := r.sourceAnsi; // Unicode does not exist in INFO(1) structure |
1372 | FID := IntToStr(r.recordNumber); |
1384 | FID := IntToStr(r.recordNumber); |
1373 | FDeletionTime := FileTimeToDateTime(r.deletionTime); |
1385 | FDeletionTime := FileTimeToDateTime(r.deletionTime); |
1374 | FOriginalSize := r.originalSize; |
1386 | FOriginalSize := r.originalSize; |
- | 1387 | ||
- | 1388 | // Remove #0 at the end. There are some bugs where #0 is added to ANSI/Unicode read paths?! (probably in the ReadVista stuff) |
|
- | 1389 | // TODO: Instead of using this workaround, fix "SourceUnicode" and "SourceAnsi" in the first place! |
|
- | 1390 | AnsiRemoveNulChars(FSourceAnsi); |
|
- | 1391 | UnicodeRemoveNulChars(FSourceUnicode); |
|
1375 | end; |
1392 | end; |
1376 | 1393 | ||
1377 | function TRbInfoAItem.DeleteFile: boolean; |
1394 | function TRbInfoAItem.DeleteFile: boolean; |
1378 | var |
1395 | var |
1379 | r: string; |
1396 | r: string; |
1380 | begin |
1397 | begin |
1381 | r := GetPhysicalFile; |
1398 | r := GetPhysicalFile; |
1382 | if DirectoryExists(r) then |
1399 | if DirectoryExists(r) then |
1383 | result := DeleteDirectory(r) // Usually, the old recycle bin does not allow folders. Just to be sure, we include the code. |
1400 | result := DeleteDirectory(r) // Usually, the old recycle bin does not allow folders. Just to be sure, we include the code. |
1384 | else |
1401 | else |
1385 | result := SysUtils.DeleteFile(r); // TODO: geht das oder gibt es zugriffsverletzung? --> Win95: Funktioniert |
1402 | result := SysUtils.DeleteFile(r); // TODO: geht das oder gibt es zugriffsverletzung? --> Win95: Funktioniert |
1386 | 1403 | ||
1387 | // TODO: nun auch den eintrag aus der INFO-Datei rausschmeißen (Datei neu schreiben) |
1404 | // TODO: nun auch den eintrag aus der INFO-Datei rausschmeißen (Datei neu schreiben) |
1388 | end; |
1405 | end; |
1389 | 1406 | ||
1390 | function TRbInfoAItem.GetPhysicalFile: string; |
1407 | function TRbInfoAItem.GetPhysicalFile: string; |
1391 | begin |
1408 | begin |
1392 | if FRemovedEntry then |
1409 | if FRemovedEntry then |
1393 | begin |
1410 | begin |
1394 | result := ''; |
1411 | result := ''; |
1395 | Exit; |
1412 | Exit; |
1396 | end; |
1413 | end; |
1397 | 1414 | ||
1398 | // e.g. C:\...\DC0.doc |
1415 | // e.g. C:\...\DC0.doc |
1399 | result := IncludeTrailingPathDelimiter(ExtractFilePath(IndexFile)) + |
1416 | result := IncludeTrailingPathDelimiter(ExtractFilePath(IndexFile)) + |
1400 | 'D' + (* SourceDrive *) SourceAnsi[1] + ID + ExtractFileExt(SourceAnsi); |
1417 | 'D' + (* SourceDrive *) SourceAnsi[1] + ID + ExtractFileExt(SourceAnsi); |
1401 | end; |
1418 | end; |
1402 | 1419 | ||
1403 | constructor TRbInfoAItem.Create(fs: TStream; AIndexFile: string); |
1420 | constructor TRbInfoAItem.Create(fs: TStream; AIndexFile: string); |
1404 | begin |
1421 | begin |
1405 | inherited Create; |
1422 | inherited Create; |
1406 | ReadFromStream(fs); |
1423 | ReadFromStream(fs); |
1407 | FIndexFile := AIndexFile; |
1424 | FIndexFile := AIndexFile; |
1408 | end; |
1425 | end; |
1409 | 1426 | ||
1410 | { TRbInfoWItem } |
1427 | { TRbInfoWItem } |
1411 | 1428 | ||
1412 | procedure TRbInfoWItem.ReadFromStream(stream: TStream); |
1429 | procedure TRbInfoWItem.ReadFromStream(stream: TStream); |
1413 | var |
1430 | var |
1414 | r: TRbInfoRecordW; |
1431 | r: TRbInfoRecordW; |
1415 | begin |
1432 | begin |
1416 | stream.ReadBuffer(r, SizeOf(r)); |
1433 | stream.ReadBuffer(r, SizeOf(r)); |
1417 | 1434 | ||
1418 | // Win95 with IE4 and Win2000+: |
1435 | // Win95 with IE4 and Win2000+: |
1419 | // Wenn ein Eintrag aus der INFO/INFO2 gelöscht wird, dann wird das erste Byte |
1436 | // Wenn ein Eintrag aus der INFO/INFO2 gelöscht wird, dann wird das erste Byte |
1420 | // von sourceAnsi auf Null gesetzt, damit die ganze INFO/INFO2 Datei nicht |
1437 | // von sourceAnsi auf Null gesetzt, damit die ganze INFO/INFO2 Datei nicht |
1421 | // ständig neu geschrieben werden muss (so wie es bei Win95 und WinNT4 der Fall war). |
1438 | // ständig neu geschrieben werden muss (so wie es bei Win95 und WinNT4 der Fall war). |
1422 | // Wir lesen den Eintrag trotzdem, da unsere Software ja auch zu forensischen |
1439 | // Wir lesen den Eintrag trotzdem, da unsere Software ja auch zu forensischen |
1423 | // Zwecken eingesetzt werden soll. |
1440 | // Zwecken eingesetzt werden soll. |
1424 | if r.sourceAnsi[0] = #0 then |
1441 | if r.sourceAnsi[0] = #0 then |
1425 | begin |
1442 | begin |
1426 | FRemovedEntry := true; |
1443 | FRemovedEntry := true; |
1427 | r.sourceAnsi[0] := AnsiChar(r.sourceUnicode[0]); |
1444 | r.sourceAnsi[0] := AnsiChar(r.sourceUnicode[0]); |
1428 | end; |
1445 | end; |
1429 | 1446 | ||
1430 | FSourceAnsi := r.sourceAnsi; |
1447 | FSourceAnsi := r.sourceAnsi; |
1431 | FSourceUnicode := r.sourceUnicode; |
1448 | FSourceUnicode := r.sourceUnicode; |
1432 | FID := IntToStr(r.recordNumber); |
1449 | FID := IntToStr(r.recordNumber); |
1433 | FSourceDrive := Chr(Ord('A') + r.sourceDrive); |
1450 | FSourceDrive := Chr(Ord('A') + r.sourceDrive); |
1434 | FDeletionTime := FileTimeToDateTime(r.deletionTime); |
1451 | FDeletionTime := FileTimeToDateTime(r.deletionTime); |
1435 | FOriginalSize := r.originalSize; |
1452 | FOriginalSize := r.originalSize; |
- | 1453 | ||
- | 1454 | // Remove #0 at the end. There are some bugs where #0 is added to ANSI/Unicode read paths?! (probably in the ReadVista stuff) |
|
- | 1455 | // TODO: Instead of using this workaround, fix "SourceUnicode" and "SourceAnsi" in the first place! |
|
- | 1456 | AnsiRemoveNulChars(FSourceAnsi); |
|
- | 1457 | UnicodeRemoveNulChars(FSourceUnicode); |
|
1436 | end; |
1458 | end; |
1437 | 1459 | ||
1438 | function TRbInfoWItem.DeleteFile: boolean; |
1460 | function TRbInfoWItem.DeleteFile: boolean; |
1439 | var |
1461 | var |
1440 | r: string; |
1462 | r: string; |
1441 | begin |
1463 | begin |
1442 | r := GetPhysicalFile; |
1464 | r := GetPhysicalFile; |
1443 | if DirectoryExists(r) then |
1465 | if DirectoryExists(r) then |
1444 | result := DeleteDirectory(r) |
1466 | result := DeleteDirectory(r) |
1445 | else |
1467 | else |
1446 | result := SysUtils.DeleteFile(r); // TODO: geht das oder gibt es zugriffsverletzung? |
1468 | result := SysUtils.DeleteFile(r); // TODO: geht das oder gibt es zugriffsverletzung? |
1447 | 1469 | ||
1448 | // TODO: nun auch den eintrag aus der INFO-Datei rausschmeißen (Erstes Byte auf 0 setzen) |
1470 | // TODO: nun auch den eintrag aus der INFO-Datei rausschmeißen (Erstes Byte auf 0 setzen) |
1449 | end; |
1471 | end; |
1450 | 1472 | ||
1451 | function TRbInfoWItem.GetPhysicalFile: string; |
1473 | function TRbInfoWItem.GetPhysicalFile: string; |
1452 | begin |
1474 | begin |
1453 | if FRemovedEntry then |
1475 | if FRemovedEntry then |
1454 | begin |
1476 | begin |
1455 | result := ''; |
1477 | result := ''; |
1456 | Exit; |
1478 | Exit; |
1457 | end; |
1479 | end; |
1458 | 1480 | ||
1459 | (* |
1481 | (* |
1460 | This is actually a bit tricky... |
1482 | This is actually a bit tricky... |
1461 | Win95 will choose the first letter of the AnsiSource name. |
1483 | Win95 will choose the first letter of the AnsiSource name. |
1462 | WinNT will choose the first letter of the UnicodeSource name. |
1484 | WinNT will choose the first letter of the UnicodeSource name. |
1463 | WinXP will choose the driveNumber member. |
1485 | WinXP will choose the driveNumber member. |
1464 | 1486 | ||
1465 | Windows XP is kinda buggy when it comes to changing a drive letter. |
1487 | Windows XP is kinda buggy when it comes to changing a drive letter. |
1466 | For example, the drive E: was changed to K: |
1488 | For example, the drive E: was changed to K: |
1467 | The drive letter is 04 (E), the Source name begins with E:\ and the physical file is De0.txt . |
1489 | The drive letter is 04 (E), the Source name begins with E:\ and the physical file is De0.txt . |
1468 | After the recycle bin is opened the first time: |
1490 | After the recycle bin is opened the first time: |
1469 | - The recycle bin will show the file origin as K:\ and not as E:\ |
1491 | - The recycle bin will show the file origin as K:\ and not as E:\ |
1470 | - The file was renamed from De0.txt to Dk0.txt |
1492 | - The file was renamed from De0.txt to Dk0.txt |
1471 | - The file can be recovered at this time |
1493 | - The file can be recovered at this time |
1472 | When the recycle bin is closed, the INFO2 file will not be corrected (which is a bug). |
1494 | When the recycle bin is closed, the INFO2 file will not be corrected (which is a bug). |
1473 | So, if you open the recycle bin again, the record will be marked |
1495 | So, if you open the recycle bin again, the record will be marked |
1474 | as deleted in the INFO file (the first byte will be set to 0), |
1496 | as deleted in the INFO file (the first byte will be set to 0), |
1475 | because Windows searches for De0.txt and doesn't find it. |
1497 | because Windows searches for De0.txt and doesn't find it. |
1476 | 1498 | ||
1477 | (This comment also applies to TRbInfoAItem.GetPhysicalFile) |
1499 | (This comment also applies to TRbInfoAItem.GetPhysicalFile) |
1478 | *) |
1500 | *) |
1479 | 1501 | ||
1480 | // e.g. C:\...\DC0.doc |
1502 | // e.g. C:\...\DC0.doc |
1481 | result := IncludeTrailingPathDelimiter(ExtractFilePath(IndexFile)) + |
1503 | result := IncludeTrailingPathDelimiter(ExtractFilePath(IndexFile)) + |
1482 | 'D' + SourceDrive (* SourceUnicode[1] *) + ID + ExtractFileExt(SourceUnicode); |
1504 | 'D' + SourceDrive (* SourceUnicode[1] *) + ID + ExtractFileExt(SourceUnicode); |
1483 | end; |
1505 | end; |
1484 | 1506 | ||
1485 | constructor TRbInfoWItem.Create(fs: TStream; AIndexFile: string); |
1507 | constructor TRbInfoWItem.Create(fs: TStream; AIndexFile: string); |
1486 | begin |
1508 | begin |
1487 | inherited Create; |
1509 | inherited Create; |
1488 | ReadFromStream(fs); |
1510 | ReadFromStream(fs); |
1489 | FIndexFile := AIndexFile; |
1511 | FIndexFile := AIndexFile; |
1490 | end; |
1512 | end; |
1491 | 1513 | ||
1492 | { TRbVistaItem } |
1514 | { TRbVistaItem } |
1493 | 1515 | ||
1494 | procedure TRbVistaItem.ReadFromStream(stream: TStream); |
1516 | procedure TRbVistaItem.ReadFromStream(stream: TStream); |
1495 | var |
1517 | var |
1496 | r1: TRbVistaRecord1; |
1518 | r1: TRbVistaRecord1; |
1497 | r2: TRbVistaRecord2Head; |
1519 | r2: TRbVistaRecord2Head; |
1498 | r2SourceUnicode: array of WideChar; |
1520 | r2SourceUnicode: array of WideChar; |
1499 | version: DWORD; |
1521 | version: DWORD; |
1500 | begin |
1522 | begin |
1501 | stream.ReadBuffer(version, SizeOf(version)); |
1523 | stream.ReadBuffer(version, SizeOf(version)); |
1502 | 1524 | ||
1503 | if version = 1 then |
1525 | if version = 1 then |
1504 | begin |
1526 | begin |
1505 | stream.Seek(0, soBeginning); |
1527 | stream.Seek(0, soBeginning); |
1506 | stream.ReadBuffer(r1, SizeOf(r1)); |
1528 | stream.ReadBuffer(r1, SizeOf(r1)); |
1507 | FSourceAnsi := AnsiString(r1.sourceUnicode); // Invalid chars are automatically converted into '?' |
1529 | FSourceAnsi := AnsiString(r1.sourceUnicode); // Invalid chars are automatically converted into '?' |
1508 | FSourceUnicode := WideString(r1.sourceUnicode); |
1530 | FSourceUnicode := WideString(r1.sourceUnicode); |
1509 | FID := ''; // will be added manually (at the constructor) |
1531 | FID := ''; // will be added manually (at the constructor) |
1510 | FSourceDrive := AnsiChar(r1.sourceUnicode[1]); |
1532 | FSourceDrive := AnsiChar(r1.sourceUnicode[1]); |
1511 | FDeletionTime := FileTimeToDateTime(r1.deletionTime); |
1533 | FDeletionTime := FileTimeToDateTime(r1.deletionTime); |
1512 | FOriginalSize := r1.originalSize; |
1534 | FOriginalSize := r1.originalSize; |
1513 | end |
1535 | end |
1514 | else if version = 2 then |
1536 | else if version = 2 then |
1515 | begin |
1537 | begin |
1516 | stream.Seek(0, soBeginning); |
1538 | stream.Seek(0, soBeginning); |
1517 | stream.ReadBuffer(r2, SizeOf(r2)); |
1539 | stream.ReadBuffer(r2, SizeOf(r2)); |
1518 | 1540 | ||
1519 | SetLength(r2SourceUnicode, 2*(r2.SourceCountChars-1)); |
1541 | SetLength(r2SourceUnicode, 2*(r2.SourceCountChars-1)); |
1520 | stream.Read(r2SourceUnicode[0], 2*(r2.sourceCountChars-1)); |
1542 | stream.Read(r2SourceUnicode[0], 2*(r2.sourceCountChars-1)); |
1521 | 1543 | ||
1522 | FSourceAnsi := AnsiString(WideString(r2sourceUnicode)); // Invalid chars are automatically converted into '?' |
1544 | FSourceAnsi := AnsiString(WideString(r2sourceUnicode)); // Invalid chars are automatically converted into '?' |
1523 | FSourceUnicode := WideString(r2sourceUnicode); |
1545 | FSourceUnicode := WideString(r2sourceUnicode); |
1524 | FID := ''; // will be added manually (at the constructor) |
1546 | FID := ''; // will be added manually (at the constructor) |
1525 | FSourceDrive := AnsiChar(r2sourceUnicode[1]); |
1547 | FSourceDrive := AnsiChar(r2sourceUnicode[1]); |
1526 | FDeletionTime := FileTimeToDateTime(r2.deletionTime); |
1548 | FDeletionTime := FileTimeToDateTime(r2.deletionTime); |
1527 | FOriginalSize := r2.originalSize; |
1549 | FOriginalSize := r2.originalSize; |
1528 | end |
1550 | end |
1529 | else |
1551 | else |
1530 | begin |
1552 | begin |
1531 | raise Exception.CreateFmt('Invalid Vista index format version %d', [version]); |
1553 | raise Exception.CreateFmt('Invalid Vista index format version %d', [version]); |
1532 | end; |
1554 | end; |
- | 1555 | ||
- | 1556 | // Remove #0 at the end. There are some bugs where #0 is added to ANSI/Unicode read paths?! (probably in the ReadVista stuff) |
|
- | 1557 | // TODO: Instead of using this workaround, fix "SourceUnicode" and "SourceAnsi" in the first place! |
|
- | 1558 | AnsiRemoveNulChars(FSourceAnsi); |
|
- | 1559 | UnicodeRemoveNulChars(FSourceUnicode); |
|
1533 | end; |
1560 | end; |
1534 | 1561 | ||
1535 | function TRbVistaItem.DeleteFile: boolean; |
1562 | function TRbVistaItem.DeleteFile: boolean; |
1536 | var |
1563 | var |
1537 | r: string; |
1564 | r: string; |
1538 | begin |
1565 | begin |
1539 | r := GetPhysicalFile; |
1566 | r := GetPhysicalFile; |
1540 | if DirectoryExists(r) then |
1567 | if DirectoryExists(r) then |
1541 | result := DeleteDirectory(r) |
1568 | result := DeleteDirectory(r) |
1542 | else |
1569 | else |
1543 | result := SysUtils.DeleteFile(r); |
1570 | result := SysUtils.DeleteFile(r); |
1544 | 1571 | ||
1545 | SysUtils.DeleteFile(FIndexFile); |
1572 | SysUtils.DeleteFile(FIndexFile); |
1546 | end; |
1573 | end; |
1547 | 1574 | ||
1548 | function TRbVistaItem.GetPhysicalFile: string; |
1575 | function TRbVistaItem.GetPhysicalFile: string; |
1549 | begin |
1576 | begin |
1550 | result := FIndexFile; |
1577 | result := FIndexFile; |
1551 | result := StringReplace(Result, '$I', '$R', [rfIgnoreCase]); |
1578 | result := StringReplace(Result, '$I', '$R', [rfIgnoreCase]); |
1552 | end; |
1579 | end; |
1553 | 1580 | ||
1554 | constructor TRbVistaItem.Create(fs: TStream; AIndexFile, AID: string); |
1581 | constructor TRbVistaItem.Create(fs: TStream; AIndexFile, AID: string); |
1555 | begin |
1582 | begin |
1556 | inherited Create; |
1583 | inherited Create; |
1557 | ReadFromStream(fs); |
1584 | ReadFromStream(fs); |
1558 | FIndexFile := AIndexFile; |
1585 | FIndexFile := AIndexFile; |
1559 | FID := AID; |
1586 | FID := AID; |
1560 | end; |
1587 | end; |
1561 | 1588 | ||
1562 | { TRecycleBinManager } |
1589 | { TRecycleBinManager } |
1563 | 1590 | ||
1564 | class function TRecycleBinManager.EmptyOwnRecyclers(flags: cardinal): boolean; |
1591 | class function TRecycleBinManager.EmptyOwnRecyclers(flags: cardinal): boolean; |
1565 | var |
1592 | var |
1566 | PSHEmptyRecycleBin: TSHEmptyRecycleBin; |
1593 | PSHEmptyRecycleBin: TSHEmptyRecycleBin; |
1567 | LibHandle: THandle; |
1594 | LibHandle: THandle; |
1568 | begin |
1595 | begin |
1569 | // Source: http://www.dsdt.info/tipps/?id=176 |
1596 | // Source: http://www.dsdt.info/tipps/?id=176 |
1570 | result := true; |
1597 | result := true; |
1571 | LibHandle := LoadLibrary(shell32); |
1598 | LibHandle := LoadLibrary(shell32); |
1572 | try |
1599 | try |
1573 | if LibHandle <> 0 then |
1600 | if LibHandle <> 0 then |
1574 | begin |
1601 | begin |
1575 | @PSHEmptyRecycleBin := GetProcAddress(LibHandle, C_SHEmptyRecycleBinA); |
1602 | @PSHEmptyRecycleBin := GetProcAddress(LibHandle, C_SHEmptyRecycleBinA); |
1576 | if @PSHEmptyRecycleBin <> nil then |
1603 | if @PSHEmptyRecycleBin <> nil then |
1577 | begin |
1604 | begin |
1578 | PSHEmptyRecycleBin(hInstance, nil, flags); |
1605 | PSHEmptyRecycleBin(hInstance, nil, flags); |
1579 | end |
1606 | end |
1580 | else |
1607 | else |
1581 | result := false; |
1608 | result := false; |
1582 | end |
1609 | end |
1583 | else |
1610 | else |
1584 | result := false; |
1611 | result := false; |
1585 | finally |
1612 | finally |
1586 | @PSHEmptyRecycleBin := nil; |
1613 | @PSHEmptyRecycleBin := nil; |
1587 | if LibHandle <> 0 then FreeLibrary(LibHandle); |
1614 | if LibHandle <> 0 then FreeLibrary(LibHandle); |
1588 | end; |
1615 | end; |
1589 | end; |
1616 | end; |
1590 | 1617 | ||
1591 | class function TRecycleBinManager.EmptyOwnRecyclers(sound, progress, confirmation: boolean): boolean; |
1618 | class function TRecycleBinManager.EmptyOwnRecyclers(sound, progress, confirmation: boolean): boolean; |
1592 | const |
1619 | const |
1593 | SHERB_NOCONFIRMATION = $00000001; |
1620 | SHERB_NOCONFIRMATION = $00000001; |
1594 | SHERB_NOPROGRESSUI = $00000002; |
1621 | SHERB_NOPROGRESSUI = $00000002; |
1595 | SHERB_NOSOUND = $00000004; |
1622 | SHERB_NOSOUND = $00000004; |
1596 | var |
1623 | var |
1597 | flags: cardinal; |
1624 | flags: cardinal; |
1598 | begin |
1625 | begin |
1599 | flags := 0; |
1626 | flags := 0; |
1600 | 1627 | ||
1601 | if not progress then |
1628 | if not progress then |
1602 | flags := flags or SHERB_NOPROGRESSUI; |
1629 | flags := flags or SHERB_NOPROGRESSUI; |
1603 | if not confirmation then |
1630 | if not confirmation then |
1604 | flags := flags or SHERB_NOCONFIRMATION; |
1631 | flags := flags or SHERB_NOCONFIRMATION; |
1605 | if not sound then |
1632 | if not sound then |
1606 | flags := flags or SHERB_NOSOUND; |
1633 | flags := flags or SHERB_NOSOUND; |
1607 | 1634 | ||
1608 | result := EmptyOwnRecyclers(flags); |
1635 | result := EmptyOwnRecyclers(flags); |
1609 | end; |
1636 | end; |
1610 | 1637 | ||
1611 | class function TRecycleBinManager.GetGlobalMaxPercentUsage: integer; |
1638 | class function TRecycleBinManager.GetGlobalMaxPercentUsage: integer; |
1612 | var |
1639 | var |
1613 | reg: TRegistry; |
1640 | reg: TRegistry; |
1614 | purgeInfo: TRbWin95PurgeInfo; |
1641 | purgeInfo: TRbWin95PurgeInfo; |
1615 | const |
1642 | const |
1616 | RES_DEFAULT = 10; // Windows 95 - Standardwert |
1643 | RES_DEFAULT = 10; // Windows 95 - Standardwert |
1617 | begin |
1644 | begin |
1618 | if Win32MajorVersion >= 6 then |
1645 | if Win32MajorVersion >= 6 then |
1619 | begin |
1646 | begin |
1620 | // Only available till Windows XP |
1647 | // Only available till Windows XP |
1621 | result := -1; |
1648 | result := -1; |
1622 | exit; |
1649 | exit; |
1623 | end; |
1650 | end; |
1624 | 1651 | ||
1625 | result := RES_DEFAULT; |
1652 | result := RES_DEFAULT; |
1626 | 1653 | ||
1627 | reg := TRegistry.Create; |
1654 | reg := TRegistry.Create; |
1628 | try |
1655 | try |
1629 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1656 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1630 | 1657 | ||
1631 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1658 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1632 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1659 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1633 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1660 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1634 | begin |
1661 | begin |
1635 | if reg.ValueExists('Percent') then |
1662 | if reg.ValueExists('Percent') then |
1636 | begin |
1663 | begin |
1637 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1664 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1638 | 1665 | ||
1639 | result := reg.ReadInteger('Percent'); |
1666 | result := reg.ReadInteger('Percent'); |
1640 | end |
1667 | end |
1641 | else if reg.ValueExists('PurgeInfo') then |
1668 | else if reg.ValueExists('PurgeInfo') then |
1642 | begin |
1669 | begin |
1643 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1670 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1644 | 1671 | ||
1645 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1672 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1646 | result := purgeInfo.percentGlobal; |
1673 | result := purgeInfo.percentGlobal; |
1647 | end; |
1674 | end; |
1648 | 1675 | ||
1649 | reg.CloseKey; |
1676 | reg.CloseKey; |
1650 | end; |
1677 | end; |
1651 | finally |
1678 | finally |
1652 | reg.Free; |
1679 | reg.Free; |
1653 | end; |
1680 | end; |
1654 | end; |
1681 | end; |
1655 | 1682 | ||
1656 | class function TRecycleBinManager.GetGlobalNukeOnDelete: boolean; |
1683 | class function TRecycleBinManager.GetGlobalNukeOnDelete: boolean; |
1657 | var |
1684 | var |
1658 | reg: TRegistry; |
1685 | reg: TRegistry; |
1659 | purgeInfo: TRbWin95PurgeInfo; |
1686 | purgeInfo: TRbWin95PurgeInfo; |
1660 | const |
1687 | const |
1661 | RES_DEFAULT = false; // Windows 95 - Standardwert |
1688 | RES_DEFAULT = false; // Windows 95 - Standardwert |
1662 | begin |
1689 | begin |
1663 | if Win32MajorVersion >= 6 then |
1690 | if Win32MajorVersion >= 6 then |
1664 | begin |
1691 | begin |
1665 | // Only available till Windows XP |
1692 | // Only available till Windows XP |
1666 | result := false; |
1693 | result := false; |
1667 | exit; |
1694 | exit; |
1668 | end; |
1695 | end; |
1669 | 1696 | ||
1670 | result := RES_DEFAULT; |
1697 | result := RES_DEFAULT; |
1671 | 1698 | ||
1672 | reg := TRegistry.Create; |
1699 | reg := TRegistry.Create; |
1673 | try |
1700 | try |
1674 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1701 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1675 | 1702 | ||
1676 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1703 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1677 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1704 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1678 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1705 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1679 | begin |
1706 | begin |
1680 | if reg.ValueExists('NukeOnDelete') then |
1707 | if reg.ValueExists('NukeOnDelete') then |
1681 | begin |
1708 | begin |
1682 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1709 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1683 | 1710 | ||
1684 | result := reg.ReadBool('NukeOnDelete'); |
1711 | result := reg.ReadBool('NukeOnDelete'); |
1685 | end |
1712 | end |
1686 | else if reg.ValueExists('PurgeInfo') then |
1713 | else if reg.ValueExists('PurgeInfo') then |
1687 | begin |
1714 | begin |
1688 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1715 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1689 | 1716 | ||
1690 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1717 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1691 | result := (purgeInfo.NukeOnDeleteBits and $8000000) = $8000000; // bit 27 |
1718 | result := (purgeInfo.NukeOnDeleteBits and $8000000) = $8000000; // bit 27 |
1692 | end; |
1719 | end; |
1693 | 1720 | ||
1694 | reg.CloseKey; |
1721 | reg.CloseKey; |
1695 | end; |
1722 | end; |
1696 | finally |
1723 | finally |
1697 | reg.Free; |
1724 | reg.Free; |
1698 | end; |
1725 | end; |
1699 | end; |
1726 | end; |
1700 | 1727 | ||
1701 | (* TODO: |
1728 | (* TODO: |
1702 | There are more registry values (found in WinXP): |
1729 | There are more registry values (found in WinXP): |
1703 | 1730 | ||
1704 | BitBucket\<driveletter> |
1731 | BitBucket\<driveletter> |
1705 | VolumeSerialNumber |
1732 | VolumeSerialNumber |
1706 | IsUnicode |
1733 | IsUnicode |
1707 | 1734 | ||
1708 | *) |
1735 | *) |
1709 | 1736 | ||
1710 | class function TRecycleBinManager.UsesGlobalSettings: boolean; |
1737 | class function TRecycleBinManager.UsesGlobalSettings: boolean; |
1711 | var |
1738 | var |
1712 | reg: TRegistry; |
1739 | reg: TRegistry; |
1713 | purgeInfo: TRbWin95PurgeInfo; |
1740 | purgeInfo: TRbWin95PurgeInfo; |
1714 | const |
1741 | const |
1715 | RES_DEFAULT = true; // Windows 95 - Standardwert |
1742 | RES_DEFAULT = true; // Windows 95 - Standardwert |
1716 | begin |
1743 | begin |
1717 | if Win32MajorVersion >= 6 then |
1744 | if Win32MajorVersion >= 6 then |
1718 | begin |
1745 | begin |
1719 | // Only available till Windows XP |
1746 | // Only available till Windows XP |
1720 | result := false; |
1747 | result := false; |
1721 | exit; |
1748 | exit; |
1722 | end; |
1749 | end; |
1723 | 1750 | ||
1724 | result := RES_DEFAULT; |
1751 | result := RES_DEFAULT; |
1725 | 1752 | ||
1726 | reg := TRegistry.Create; |
1753 | reg := TRegistry.Create; |
1727 | try |
1754 | try |
1728 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1755 | reg.RootKey := HKEY_LOCAL_MACHINE; |
1729 | 1756 | ||
1730 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1757 | // Im Auslieferungszustand von Windows 95 ist dieser Schlüssel nicht vorhanden. |
1731 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1758 | // Er wird bei der ersten Änderung der Papierkorb-Einstellungen erstellt. |
1732 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1759 | if reg.OpenKeyReadOnly('SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket') then |
1733 | begin |
1760 | begin |
1734 | if reg.ValueExists('UseGlobalSettings') then |
1761 | if reg.ValueExists('UseGlobalSettings') then |
1735 | begin |
1762 | begin |
1736 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1763 | // Windows 2000 - Informationen liegen aufgeschlüsselt in der Registry |
1737 | 1764 | ||
1738 | result := reg.ReadBool('UseGlobalSettings'); |
1765 | result := reg.ReadBool('UseGlobalSettings'); |
1739 | end |
1766 | end |
1740 | else if reg.ValueExists('PurgeInfo') then |
1767 | else if reg.ValueExists('PurgeInfo') then |
1741 | begin |
1768 | begin |
1742 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1769 | // Windows 95 - Kodierte Informationen liegen in PurgeInfo |
1743 | 1770 | ||
1744 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1771 | reg.ReadBinaryData('PurgeInfo', purgeInfo, SizeOf(purgeInfo)); |
1745 | result := purgeInfo.bGlobalSettings; |
1772 | result := purgeInfo.bGlobalSettings; |
1746 | end; |
1773 | end; |
1747 | 1774 | ||
1748 | reg.CloseKey; |
1775 | reg.CloseKey; |
1749 | end; |
1776 | end; |
1750 | finally |
1777 | finally |
1751 | reg.Free; |
1778 | reg.Free; |
1752 | end; |
1779 | end; |
1753 | end; |
1780 | end; |
1754 | 1781 | ||
1755 | class procedure TRecycleBinManager.ListDrives(list: TObjectList{TRbDrive}); |
1782 | class procedure TRecycleBinManager.ListDrives(list: TObjectList{TRbDrive}); |
1756 | var |
1783 | var |
1757 | drive: Char; |
1784 | drive: Char; |
1758 | begin |
1785 | begin |
1759 | for drive := 'A' to 'Z' do |
1786 | for drive := 'A' to 'Z' do |
1760 | if RecycleBinPossible(drive) then |
1787 | if RecycleBinPossible(drive) then |
1761 | list.Add(TRbDrive.Create(drive)); |
1788 | list.Add(TRbDrive.Create(drive)); |
1762 | end; |
1789 | end; |
1763 | 1790 | ||
1764 | class function TRecycleBinManager.OwnRecyclersEmpty: boolean; |
1791 | class function TRecycleBinManager.OwnRecyclersEmpty: boolean; |
1765 | var |
1792 | var |
1766 | drives: TObjectList; |
1793 | drives: TObjectList; |
1767 | i: integer; |
1794 | i: integer; |
1768 | begin |
1795 | begin |
1769 | result := true; |
1796 | result := true; |
1770 | 1797 | ||
1771 | drives := TObjectList.Create(true); |
1798 | drives := TObjectList.Create(true); |
1772 | try |
1799 | try |
1773 | ListDrives(drives); |
1800 | ListDrives(drives); |
1774 | for i := 0 to drives.Count - 1 do |
1801 | for i := 0 to drives.Count - 1 do |
1775 | begin |
1802 | begin |
1776 | result := result and TRbDrive(drives.Items[i]).IsEmpty; |
1803 | result := result and TRbDrive(drives.Items[i]).IsEmpty; |
1777 | if not result then break; |
1804 | if not result then break; |
1778 | end; |
1805 | end; |
1779 | finally |
1806 | finally |
1780 | drives.Free; |
1807 | drives.Free; |
1781 | end; |
1808 | end; |
1782 | end; |
1809 | end; |
1783 | 1810 | ||
1784 | class function TRecycleBinManager.OwnRecyclersNumItems: int64; |
1811 | class function TRecycleBinManager.OwnRecyclersNumItems: int64; |
1785 | var |
1812 | var |
1786 | drives: TObjectList; |
1813 | drives: TObjectList; |
1787 | i: integer; |
1814 | i: integer; |
1788 | begin |
1815 | begin |
1789 | result := 0; |
1816 | result := 0; |
1790 | 1817 | ||
1791 | drives := TObjectList.Create(true); |
1818 | drives := TObjectList.Create(true); |
1792 | try |
1819 | try |
1793 | ListDrives(drives); |
1820 | ListDrives(drives); |
1794 | for i := 0 to drives.Count - 1 do |
1821 | for i := 0 to drives.Count - 1 do |
1795 | begin |
1822 | begin |
1796 | result := result + TRbDrive(drives.Items[i]).GetNumItems; |
1823 | result := result + TRbDrive(drives.Items[i]).GetNumItems; |
1797 | end; |
1824 | end; |
1798 | finally |
1825 | finally |
1799 | drives.Free; |
1826 | drives.Free; |
1800 | end; |
1827 | end; |
1801 | end; |
1828 | end; |
1802 | 1829 | ||
1803 | class function TRecycleBinManager.OwnRecyclersSize: int64; |
1830 | class function TRecycleBinManager.OwnRecyclersSize: int64; |
1804 | var |
1831 | var |
1805 | drives: TObjectList; |
1832 | drives: TObjectList; |
1806 | i: integer; |
1833 | i: integer; |
1807 | begin |
1834 | begin |
1808 | result := 0; |
1835 | result := 0; |
1809 | 1836 | ||
1810 | drives := TObjectList.Create(true); |
1837 | drives := TObjectList.Create(true); |
1811 | try |
1838 | try |
1812 | ListDrives(drives); |
1839 | ListDrives(drives); |
1813 | for i := 0 to drives.Count - 1 do |
1840 | for i := 0 to drives.Count - 1 do |
1814 | begin |
1841 | begin |
1815 | result := result + TRbDrive(drives.Items[i]).GetSize; |
1842 | result := result + TRbDrive(drives.Items[i]).GetSize; |
1816 | end; |
1843 | end; |
1817 | finally |
1844 | finally |
1818 | drives.Free; |
1845 | drives.Free; |
1819 | end; |
1846 | end; |
1820 | end; |
1847 | end; |
1821 | 1848 | ||
1822 | class function TRecycleBinManager.RecycleBinPossible(Drive: Char): boolean; |
1849 | class function TRecycleBinManager.RecycleBinPossible(Drive: Char): boolean; |
1823 | var |
1850 | var |
1824 | typ: Integer; |
1851 | typ: Integer; |
1825 | begin |
1852 | begin |
1826 | // Does the drive exist? |
1853 | // Does the drive exist? |
1827 | // see http://www.delphipraxis.net/post2933.html |
1854 | // see http://www.delphipraxis.net/post2933.html |
1828 | result := GetLogicalDrives and (1 shl DriveLetterToDriveNumber(Drive)) <> 0; |
1855 | result := GetLogicalDrives and (1 shl DriveLetterToDriveNumber(Drive)) <> 0; |
1829 | if not result then exit; |
1856 | if not result then exit; |
1830 | 1857 | ||
1831 | // Is it a fixed drive? (Only they can have recycle bins) |
1858 | // Is it a fixed drive? (Only they can have recycle bins) |
1832 | // TODO: is that correct, or can also have other drive types have recyclers? |
1859 | // TODO: is that correct, or can also have other drive types have recyclers? |
1833 | typ := GetDriveType(PChar(Drive + ':\')); |
1860 | typ := GetDriveType(PChar(Drive + ':\')); |
1834 | result := typ = DRIVE_FIXED; |
1861 | result := typ = DRIVE_FIXED; |
1835 | end; |
1862 | end; |
1836 | 1863 | ||
1837 | class function TRecycleBinManager.RecyclerGetCurrentIconString: string; |
1864 | class function TRecycleBinManager.RecyclerGetCurrentIconString: string; |
1838 | begin |
1865 | begin |
1839 | if OwnRecyclersEmpty then |
1866 | if OwnRecyclersEmpty then |
1840 | result := RecyclerGetEmptyIconString |
1867 | result := RecyclerGetEmptyIconString |
1841 | else |
1868 | else |
1842 | result := RecyclerGetFullIconString; |
1869 | result := RecyclerGetFullIconString; |
1843 | end; |
1870 | end; |
1844 | 1871 | ||
1845 | class function TRecycleBinManager.RecyclerGetDefaultIconString: string; |
1872 | class function TRecycleBinManager.RecyclerGetDefaultIconString: string; |
1846 | var |
1873 | var |
1847 | reg: TRegistry; |
1874 | reg: TRegistry; |
1848 | begin |
1875 | begin |
1849 | // Please note: The "default" icon is not always the icon of the |
1876 | // Please note: The "default" icon is not always the icon of the |
1850 | // current recycle bin in its current state (full, empty) |
1877 | // current recycle bin in its current state (full, empty) |
1851 | // At Windows 95b, the registry value actually did change every time the |
1878 | // At Windows 95b, the registry value actually did change every time the |
1852 | // recycle bin state did change, but at Windows 2000 I could not see any |
1879 | // recycle bin state did change, but at Windows 2000 I could not see any |
1853 | // update, even after reboot. So, the registry value is possible fixed as |
1880 | // update, even after reboot. So, the registry value is possible fixed as |
1854 | // default = empty on newer OS versions. |
1881 | // default = empty on newer OS versions. |
1855 | 1882 | ||
1856 | reg := TRegistry.Create; |
1883 | reg := TRegistry.Create; |
1857 | try |
1884 | try |
1858 | reg.RootKey := HKEY_CLASSES_ROOT; |
1885 | reg.RootKey := HKEY_CLASSES_ROOT; |
1859 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1886 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1860 | begin |
1887 | begin |
1861 | result := reg.ReadString(''); |
1888 | result := reg.ReadString(''); |
1862 | reg.CloseKey; |
1889 | reg.CloseKey; |
1863 | end; |
1890 | end; |
1864 | finally |
1891 | finally |
1865 | reg.Free; |
1892 | reg.Free; |
1866 | end; |
1893 | end; |
1867 | end; |
1894 | end; |
1868 | 1895 | ||
1869 | class function TRecycleBinManager.RecyclerGetEmptyIconString: string; |
1896 | class function TRecycleBinManager.RecyclerGetEmptyIconString: string; |
1870 | var |
1897 | var |
1871 | reg: TRegistry; |
1898 | reg: TRegistry; |
1872 | begin |
1899 | begin |
1873 | reg := TRegistry.Create; |
1900 | reg := TRegistry.Create; |
1874 | try |
1901 | try |
1875 | reg.RootKey := HKEY_CLASSES_ROOT; |
1902 | reg.RootKey := HKEY_CLASSES_ROOT; |
1876 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1903 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1877 | begin |
1904 | begin |
1878 | result := reg.ReadString('Empty'); |
1905 | result := reg.ReadString('Empty'); |
1879 | reg.CloseKey; |
1906 | reg.CloseKey; |
1880 | end; |
1907 | end; |
1881 | finally |
1908 | finally |
1882 | reg.Free; |
1909 | reg.Free; |
1883 | end; |
1910 | end; |
1884 | end; |
1911 | end; |
1885 | 1912 | ||
1886 | class function TRecycleBinManager.RecyclerGetFullIconString: string; |
1913 | class function TRecycleBinManager.RecyclerGetFullIconString: string; |
1887 | var |
1914 | var |
1888 | reg: TRegistry; |
1915 | reg: TRegistry; |
1889 | begin |
1916 | begin |
1890 | reg := TRegistry.Create; |
1917 | reg := TRegistry.Create; |
1891 | try |
1918 | try |
1892 | reg.RootKey := HKEY_CLASSES_ROOT; |
1919 | reg.RootKey := HKEY_CLASSES_ROOT; |
1893 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1920 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)+'\DefaultIcon') then |
1894 | begin |
1921 | begin |
1895 | result := reg.ReadString('Full'); |
1922 | result := reg.ReadString('Full'); |
1896 | reg.CloseKey; |
1923 | reg.CloseKey; |
1897 | end; |
1924 | end; |
1898 | finally |
1925 | finally |
1899 | reg.Free; |
1926 | reg.Free; |
1900 | end; |
1927 | end; |
1901 | end; |
1928 | end; |
1902 | 1929 | ||
1903 | class function TRecycleBinManager.RecyclerGetInfoTip: string; |
1930 | class function TRecycleBinManager.RecyclerGetInfoTip: string; |
1904 | var |
1931 | var |
1905 | reg: TRegistry; |
1932 | reg: TRegistry; |
1906 | begin |
1933 | begin |
1907 | // Not available in some older versions of Windows |
1934 | // Not available in some older versions of Windows |
1908 | 1935 | ||
1909 | reg := TRegistry.Create; |
1936 | reg := TRegistry.Create; |
1910 | try |
1937 | try |
1911 | reg.RootKey := HKEY_CLASSES_ROOT; |
1938 | reg.RootKey := HKEY_CLASSES_ROOT; |
1912 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1939 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1913 | begin |
1940 | begin |
1914 | result := reg.ReadString('InfoTip'); |
1941 | result := reg.ReadString('InfoTip'); |
1915 | result := DecodeReferenceString(result); |
1942 | result := DecodeReferenceString(result); |
1916 | 1943 | ||
1917 | reg.CloseKey; |
1944 | reg.CloseKey; |
1918 | end; |
1945 | end; |
1919 | finally |
1946 | finally |
1920 | reg.Free; |
1947 | reg.Free; |
1921 | end; |
1948 | end; |
1922 | end; |
1949 | end; |
1923 | 1950 | ||
1924 | class function TRecycleBinManager.RecyclerGetIntroText: string; |
1951 | class function TRecycleBinManager.RecyclerGetIntroText: string; |
1925 | var |
1952 | var |
1926 | reg: TRegistry; |
1953 | reg: TRegistry; |
1927 | begin |
1954 | begin |
1928 | // Not available in some older versions of Windows |
1955 | // Not available in some older versions of Windows |
1929 | 1956 | ||
1930 | reg := TRegistry.Create; |
1957 | reg := TRegistry.Create; |
1931 | try |
1958 | try |
1932 | reg.RootKey := HKEY_CLASSES_ROOT; |
1959 | reg.RootKey := HKEY_CLASSES_ROOT; |
1933 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1960 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1934 | begin |
1961 | begin |
1935 | result := reg.ReadString('IntroText'); |
1962 | result := reg.ReadString('IntroText'); |
1936 | result := DecodeReferenceString(result); |
1963 | result := DecodeReferenceString(result); |
1937 | 1964 | ||
1938 | reg.CloseKey; |
1965 | reg.CloseKey; |
1939 | end; |
1966 | end; |
1940 | finally |
1967 | finally |
1941 | reg.Free; |
1968 | reg.Free; |
1942 | end; |
1969 | end; |
1943 | end; |
1970 | end; |
1944 | 1971 | ||
1945 | class function TRecycleBinManager.RecyclerGetName: string; |
1972 | class function TRecycleBinManager.RecyclerGetName: string; |
1946 | var |
1973 | var |
1947 | reg: TRegistry; |
1974 | reg: TRegistry; |
1948 | begin |
1975 | begin |
1949 | // Windows 95b: |
1976 | // Windows 95b: |
1950 | // Change of CLSID\{645FF040-5081-101B-9F08-00AA002F954E} will change the desktop name of the recycle bin. |
1977 | // Change of CLSID\{645FF040-5081-101B-9F08-00AA002F954E} will change the desktop name of the recycle bin. |
1951 | 1978 | ||
1952 | // Windows 2000: If LocalizedString is available, the 3rd argument will be parsed |
1979 | // Windows 2000: If LocalizedString is available, the 3rd argument will be parsed |
1953 | // (if the third argument will removed, it will be read out from the DLL resource string automatically) |
1980 | // (if the third argument will removed, it will be read out from the DLL resource string automatically) |
1954 | 1981 | ||
1955 | reg := TRegistry.Create; |
1982 | reg := TRegistry.Create; |
1956 | try |
1983 | try |
1957 | reg.RootKey := HKEY_CLASSES_ROOT; |
1984 | reg.RootKey := HKEY_CLASSES_ROOT; |
1958 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1985 | if reg.OpenKeyReadOnly('CLSID\'+GUIDToString(RECYCLER_CLSID)) then |
1959 | begin |
1986 | begin |
1960 | if reg.ValueExists('LocalizedString') then |
1987 | if reg.ValueExists('LocalizedString') then |
1961 | begin |
1988 | begin |
1962 | result := reg.ReadString('LocalizedString'); |
1989 | result := reg.ReadString('LocalizedString'); |
1963 | result := DecodeReferenceString(result); |
1990 | result := DecodeReferenceString(result); |
1964 | end |
1991 | end |
1965 | else |
1992 | else |
1966 | begin |
1993 | begin |
1967 | result := reg.ReadString(''); |
1994 | result := reg.ReadString(''); |
1968 | end; |
1995 | end; |
1969 | 1996 | ||
1970 | reg.CloseKey; |
1997 | reg.CloseKey; |
1971 | end; |
1998 | end; |
1972 | finally |
1999 | finally |
1973 | reg.Free; |
2000 | reg.Free; |
1974 | end; |
2001 | end; |
1975 | end; |
2002 | end; |
1976 | 2003 | ||
1977 | class function TRecycleBinManager.RecyclerEmptyEventGetName: string; |
2004 | class function TRecycleBinManager.RecyclerEmptyEventGetName: string; |
1978 | var |
2005 | var |
1979 | reg: TRegistry; |
2006 | reg: TRegistry; |
1980 | begin |
2007 | begin |
1981 | reg := TRegistry.Create; |
2008 | reg := TRegistry.Create; |
1982 | try |
2009 | try |
1983 | reg.RootKey := HKEY_CURRENT_USER; |
2010 | reg.RootKey := HKEY_CURRENT_USER; |
1984 | if reg.OpenKeyReadOnly('AppEvents\EventLabels\EmptyRecycleBin') then |
2011 | if reg.OpenKeyReadOnly('AppEvents\EventLabels\EmptyRecycleBin') then |
1985 | begin |
2012 | begin |
1986 | result := reg.ReadString(''); |
2013 | result := reg.ReadString(''); |
1987 | reg.CloseKey; |
2014 | reg.CloseKey; |
1988 | end; |
2015 | end; |
1989 | finally |
2016 | finally |
1990 | reg.Free; |
2017 | reg.Free; |
1991 | end; |
2018 | end; |
1992 | end; |
2019 | end; |
1993 | 2020 | ||
1994 | class function TRecycleBinManager.RecyclerEmptyEventGetCurrentSound: string; |
2021 | class function TRecycleBinManager.RecyclerEmptyEventGetCurrentSound: string; |
1995 | begin |
2022 | begin |
1996 | result := RecyclerEmptyEventGetSound('.Current'); |
2023 | result := RecyclerEmptyEventGetSound('.Current'); |
1997 | end; |
2024 | end; |
1998 | 2025 | ||
1999 | class function TRecycleBinManager.RecyclerEmptyEventGetDefaultSound: string; |
2026 | class function TRecycleBinManager.RecyclerEmptyEventGetDefaultSound: string; |
2000 | begin |
2027 | begin |
2001 | result := RecyclerEmptyEventGetSound('.Default'); |
2028 | result := RecyclerEmptyEventGetSound('.Default'); |
2002 | end; |
2029 | end; |
2003 | 2030 | ||
2004 | class procedure TRecycleBinManager.RecyclerEmptyEventGetSoundCategories(AStringList: TStringList); |
2031 | class procedure TRecycleBinManager.RecyclerEmptyEventGetSoundCategories(AStringList: TStringList); |
2005 | var |
2032 | var |
2006 | reg: TRegistry; |
2033 | reg: TRegistry; |
2007 | begin |
2034 | begin |
2008 | reg := TRegistry.Create; |
2035 | reg := TRegistry.Create; |
2009 | try |
2036 | try |
2010 | reg.RootKey := HKEY_CURRENT_USER; |
2037 | reg.RootKey := HKEY_CURRENT_USER; |
2011 | if reg.OpenKeyReadOnly('AppEvents\Schemes\Apps\Explorer\EmptyRecycleBin') then |
2038 | if reg.OpenKeyReadOnly('AppEvents\Schemes\Apps\Explorer\EmptyRecycleBin') then |
2012 | begin |
2039 | begin |
2013 | reg.GetKeyNames(AStringList); |
2040 | reg.GetKeyNames(AStringList); |
2014 | reg.CloseKey; |
2041 | reg.CloseKey; |
2015 | end; |
2042 | end; |
2016 | finally |
2043 | finally |
2017 | reg.Free; |
2044 | reg.Free; |
2018 | end; |
2045 | end; |
2019 | end; |
2046 | end; |
2020 | 2047 | ||
2021 | class function TRecycleBinManager.RecyclerEmptyEventGetSound(ACategory: string): string; |
2048 | class function TRecycleBinManager.RecyclerEmptyEventGetSound(ACategory: string): string; |
2022 | var |
2049 | var |
2023 | reg: TRegistry; |
2050 | reg: TRegistry; |
2024 | resourcestring |
2051 | resourcestring |
2025 | LNG_SND_EVENT_CAT_ERROR = 'The category "%s" is not available for the notification event "%s".'; |
2052 | LNG_SND_EVENT_CAT_ERROR = 'The category "%s" is not available for the notification event "%s".'; |
2026 | begin |
2053 | begin |
2027 | // Outputs an filename or empty string for no sound defined. |
2054 | // Outputs an filename or empty string for no sound defined. |
2028 | 2055 | ||
2029 | reg := TRegistry.Create; |
2056 | reg := TRegistry.Create; |
2030 | try |
2057 | try |
2031 | reg.RootKey := HKEY_CURRENT_USER; |
2058 | reg.RootKey := HKEY_CURRENT_USER; |
2032 | if reg.OpenKeyReadOnly('AppEvents\Schemes\Apps\Explorer\EmptyRecycleBin') then |
2059 | if reg.OpenKeyReadOnly('AppEvents\Schemes\Apps\Explorer\EmptyRecycleBin') then |
2033 | begin |
2060 | begin |
2034 | if reg.OpenKeyReadOnly(ACategory) then |
2061 | if reg.OpenKeyReadOnly(ACategory) then |
2035 | begin |
2062 | begin |
2036 | result := reg.ReadString(''); |
2063 | result := reg.ReadString(''); |
2037 | reg.CloseKey; |
2064 | reg.CloseKey; |
2038 | end |
2065 | end |
2039 | else |
2066 | else |
2040 | raise EEventCategoryNotDefined.CreateFmt(LNG_SND_EVENT_CAT_ERROR, [ACategory, 'EmptyRecycleBin']); |
2067 | raise EEventCategoryNotDefined.CreateFmt(LNG_SND_EVENT_CAT_ERROR, [ACategory, 'EmptyRecycleBin']); |
2041 | reg.CloseKey; |
2068 | reg.CloseKey; |
2042 | end; |
2069 | end; |
2043 | finally |
2070 | finally |
2044 | reg.Free; |
2071 | reg.Free; |
2045 | end; |
2072 | end; |
2046 | end; |
2073 | end; |
2047 | 2074 | ||
2048 | class function TRecycleBinManager.RecyclerQueryFunctionAvailable: boolean; |
2075 | class function TRecycleBinManager.RecyclerQueryFunctionAvailable: boolean; |
2049 | var |
2076 | var |
2050 | RBHandle: THandle; |
2077 | RBHandle: THandle; |
2051 | SHQueryRecycleBin: TSHQueryRecycleBin; |
2078 | SHQueryRecycleBin: TSHQueryRecycleBin; |
2052 | begin |
2079 | begin |
2053 | // Windows 95 without Internet Explorer 4 has no SHQueryRecycleBinA. |
2080 | // Windows 95 without Internet Explorer 4 has no SHQueryRecycleBinA. |
2054 | RBHandle := LoadLibrary(shell32); |
2081 | RBHandle := LoadLibrary(shell32); |
2055 | try |
2082 | try |
2056 | if RBHandle <> 0 then |
2083 | if RBHandle <> 0 then |
2057 | begin |
2084 | begin |
2058 | SHQueryRecycleBin := GetProcAddress(RBHandle, C_SHQueryRecycleBin); |
2085 | SHQueryRecycleBin := GetProcAddress(RBHandle, C_SHQueryRecycleBin); |
2059 | if not Assigned(@SHQueryRecycleBin) then |
2086 | if not Assigned(@SHQueryRecycleBin) then |
2060 | begin |
2087 | begin |
2061 | FreeLibrary(RBHandle); |
2088 | FreeLibrary(RBHandle); |
2062 | RBHandle := 0; |
2089 | RBHandle := 0; |
2063 | end; |
2090 | end; |
2064 | end; |
2091 | end; |
2065 | 2092 | ||
2066 | result := RBHandle <> 0; |
2093 | result := RBHandle <> 0; |
2067 | finally |
2094 | finally |
2068 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2095 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2069 | end; |
2096 | end; |
2070 | end; |
2097 | end; |
2071 | 2098 | ||
2072 | class function TRecycleBinManager.RecyclerAddFileOrFolder(FileOrFolder: string; confirmation: boolean=false): boolean; |
2099 | class function TRecycleBinManager.RecyclerAddFileOrFolder(FileOrFolder: string; confirmation: boolean=false): boolean; |
2073 | var |
2100 | var |
2074 | Operation: TSHFileOpStruct; |
2101 | Operation: TSHFileOpStruct; |
2075 | begin |
2102 | begin |
2076 | // Template: http://www.dsdt.info/tipps/?id=116 |
2103 | // Template: http://www.dsdt.info/tipps/?id=116 |
2077 | with Operation do |
2104 | with Operation do |
2078 | begin |
2105 | begin |
2079 | Wnd := hInstance; // OK? |
2106 | Wnd := hInstance; // OK? |
2080 | wFunc := FO_DELETE; |
2107 | wFunc := FO_DELETE; |
2081 | pFrom := PChar(FileOrFolder + #0); |
2108 | pFrom := PChar(FileOrFolder + #0); |
2082 | pTo := nil; |
2109 | pTo := nil; |
2083 | fFlags := FOF_ALLOWUNDO; |
2110 | fFlags := FOF_ALLOWUNDO; |
2084 | if not confirmation then fFlags := fFlags or FOF_NOCONFIRMATION; |
2111 | if not confirmation then fFlags := fFlags or FOF_NOCONFIRMATION; |
2085 | end; |
2112 | end; |
2086 | Result := SHFileOperation(Operation) = 0; |
2113 | Result := SHFileOperation(Operation) = 0; |
2087 | end; |
2114 | end; |
2088 | 2115 | ||
2089 | class function TRecycleBinManager.RecyclerGroupPolicyNoRecycleFiles: GPOLICYBOOL; |
2116 | class function TRecycleBinManager.RecyclerGroupPolicyNoRecycleFiles: GPOLICYBOOL; |
2090 | var |
2117 | var |
2091 | reg: TRegistry; |
2118 | reg: TRegistry; |
2092 | begin |
2119 | begin |
2093 | result := gpUndefined; |
2120 | result := gpUndefined; |
2094 | 2121 | ||
2095 | reg := TRegistry.Create; |
2122 | reg := TRegistry.Create; |
2096 | try |
2123 | try |
2097 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2124 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2098 | // even if gpedit.msc shows "Not configured"! |
2125 | // even if gpedit.msc shows "Not configured"! |
2099 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2126 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2100 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2127 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2101 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2128 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2102 | begin |
2129 | begin |
2103 | if reg.ValueExists('NoRecycleFiles') then |
2130 | if reg.ValueExists('NoRecycleFiles') then |
2104 | begin |
2131 | begin |
2105 | if reg.ReadBool('NoRecycleFiles') then |
2132 | if reg.ReadBool('NoRecycleFiles') then |
2106 | result := gpEnabled |
2133 | result := gpEnabled |
2107 | else |
2134 | else |
2108 | result := gpDisabled; |
2135 | result := gpDisabled; |
2109 | Exit; |
2136 | Exit; |
2110 | end; |
2137 | end; |
2111 | reg.CloseKey; |
2138 | reg.CloseKey; |
2112 | end; |
2139 | end; |
2113 | {$ENDIF} |
2140 | {$ENDIF} |
2114 | 2141 | ||
2115 | reg.RootKey := HKEY_CURRENT_USER; |
2142 | reg.RootKey := HKEY_CURRENT_USER; |
2116 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2143 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2117 | begin |
2144 | begin |
2118 | if reg.ValueExists('NoRecycleFiles') then |
2145 | if reg.ValueExists('NoRecycleFiles') then |
2119 | begin |
2146 | begin |
2120 | if reg.ReadBool('NoRecycleFiles') then |
2147 | if reg.ReadBool('NoRecycleFiles') then |
2121 | result := gpEnabled |
2148 | result := gpEnabled |
2122 | else |
2149 | else |
2123 | result := gpDisabled; |
2150 | result := gpDisabled; |
2124 | end; |
2151 | end; |
2125 | reg.CloseKey; |
2152 | reg.CloseKey; |
2126 | end; |
2153 | end; |
2127 | finally |
2154 | finally |
2128 | reg.Free; |
2155 | reg.Free; |
2129 | end; |
2156 | end; |
2130 | end; |
2157 | end; |
2131 | 2158 | ||
2132 | class function TRecycleBinManager.RecyclerGroupPolicyConfirmFileDelete: GPOLICYBOOL; |
2159 | class function TRecycleBinManager.RecyclerGroupPolicyConfirmFileDelete: GPOLICYBOOL; |
2133 | var |
2160 | var |
2134 | reg: TRegistry; |
2161 | reg: TRegistry; |
2135 | begin |
2162 | begin |
2136 | result := gpUndefined; |
2163 | result := gpUndefined; |
2137 | reg := TRegistry.Create; |
2164 | reg := TRegistry.Create; |
2138 | try |
2165 | try |
2139 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2166 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2140 | // even if gpedit.msc shows "Not configured"! |
2167 | // even if gpedit.msc shows "Not configured"! |
2141 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2168 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2142 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2169 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2143 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2170 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2144 | begin |
2171 | begin |
2145 | if reg.ValueExists('ConfirmFileDelete') then |
2172 | if reg.ValueExists('ConfirmFileDelete') then |
2146 | begin |
2173 | begin |
2147 | if reg.ReadBool('ConfirmFileDelete') then |
2174 | if reg.ReadBool('ConfirmFileDelete') then |
2148 | result := gpEnabled |
2175 | result := gpEnabled |
2149 | else |
2176 | else |
2150 | result := gpDisabled; |
2177 | result := gpDisabled; |
2151 | Exit; |
2178 | Exit; |
2152 | end; |
2179 | end; |
2153 | reg.CloseKey; |
2180 | reg.CloseKey; |
2154 | end; |
2181 | end; |
2155 | {$ENDIF} |
2182 | {$ENDIF} |
2156 | 2183 | ||
2157 | reg.RootKey := HKEY_CURRENT_USER; |
2184 | reg.RootKey := HKEY_CURRENT_USER; |
2158 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2185 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2159 | begin |
2186 | begin |
2160 | if reg.ValueExists('ConfirmFileDelete') then |
2187 | if reg.ValueExists('ConfirmFileDelete') then |
2161 | begin |
2188 | begin |
2162 | if reg.ReadBool('ConfirmFileDelete') then |
2189 | if reg.ReadBool('ConfirmFileDelete') then |
2163 | result := gpEnabled |
2190 | result := gpEnabled |
2164 | else |
2191 | else |
2165 | result := gpDisabled; |
2192 | result := gpDisabled; |
2166 | end; |
2193 | end; |
2167 | reg.CloseKey; |
2194 | reg.CloseKey; |
2168 | end; |
2195 | end; |
2169 | finally |
2196 | finally |
2170 | reg.Free; |
2197 | reg.Free; |
2171 | end; |
2198 | end; |
2172 | end; |
2199 | end; |
2173 | 2200 | ||
2174 | class function TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize: integer; |
2201 | class function TRecycleBinManager.RecyclerGroupPolicyRecycleBinSize: integer; |
2175 | var |
2202 | var |
2176 | reg: TRegistry; |
2203 | reg: TRegistry; |
2177 | begin |
2204 | begin |
2178 | result := -1; |
2205 | result := -1; |
2179 | reg := TRegistry.Create; |
2206 | reg := TRegistry.Create; |
2180 | try |
2207 | try |
2181 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2208 | // If a value is set in HKEY_LOCAL_MACHINE, it will be prefered, |
2182 | // even if gpedit.msc shows "Not configured"! |
2209 | // even if gpedit.msc shows "Not configured"! |
2183 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2210 | {$IFDEF GroupPolicyAcceptHKLMTrick} |
2184 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2211 | reg.RootKey := HKEY_LOCAL_MACHINE; |
2185 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2212 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2186 | begin |
2213 | begin |
2187 | if reg.ValueExists('RecycleBinSize') then |
2214 | if reg.ValueExists('RecycleBinSize') then |
2188 | begin |
2215 | begin |
2189 | result := reg.ReadInteger('RecycleBinSize'); |
2216 | result := reg.ReadInteger('RecycleBinSize'); |
2190 | Exit; |
2217 | Exit; |
2191 | end; |
2218 | end; |
2192 | reg.CloseKey; |
2219 | reg.CloseKey; |
2193 | end; |
2220 | end; |
2194 | {$ENDIF} |
2221 | {$ENDIF} |
2195 | 2222 | ||
2196 | reg.RootKey := HKEY_CURRENT_USER; |
2223 | reg.RootKey := HKEY_CURRENT_USER; |
2197 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2224 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Policies\Explorer') then |
2198 | begin |
2225 | begin |
2199 | if reg.ValueExists('RecycleBinSize') then |
2226 | if reg.ValueExists('RecycleBinSize') then |
2200 | begin |
2227 | begin |
2201 | result := reg.ReadInteger('RecycleBinSize'); |
2228 | result := reg.ReadInteger('RecycleBinSize'); |
2202 | end; |
2229 | end; |
2203 | reg.CloseKey; |
2230 | reg.CloseKey; |
2204 | end; |
2231 | end; |
2205 | finally |
2232 | finally |
2206 | reg.Free; |
2233 | reg.Free; |
2207 | end; |
2234 | end; |
2208 | end; |
2235 | end; |
2209 | 2236 | ||
2210 | class function TRecycleBinManager.RecyclerConfirmationDialogEnabled: boolean; |
2237 | class function TRecycleBinManager.RecyclerConfirmationDialogEnabled: boolean; |
2211 | var |
2238 | var |
2212 | gp: GPOLICYBOOL; |
2239 | gp: GPOLICYBOOL; |
2213 | begin |
2240 | begin |
2214 | gp := RecyclerGroupPolicyConfirmFileDelete; |
2241 | gp := RecyclerGroupPolicyConfirmFileDelete; |
2215 | if gp <> gpUndefined then |
2242 | if gp <> gpUndefined then |
2216 | begin |
2243 | begin |
2217 | result := gp = gpEnabled; |
2244 | result := gp = gpEnabled; |
2218 | end |
2245 | end |
2219 | else |
2246 | else |
2220 | begin |
2247 | begin |
2221 | result := RecyclerShellStateConfirmationDialogEnabled; |
2248 | result := RecyclerShellStateConfirmationDialogEnabled; |
2222 | end; |
2249 | end; |
2223 | end; |
2250 | end; |
2224 | 2251 | ||
2225 | class function TRecycleBinManager.RecyclerShellStateConfirmationDialogEnabled: boolean; |
2252 | class function TRecycleBinManager.RecyclerShellStateConfirmationDialogEnabled: boolean; |
2226 | var |
2253 | var |
2227 | lpss: SHELLSTATE; |
2254 | lpss: SHELLSTATE; |
2228 | bNoConfirmRecycle: boolean; |
2255 | bNoConfirmRecycle: boolean; |
2229 | 2256 | ||
2230 | PSHGetSettings: TSHGetSettings; |
2257 | PSHGetSettings: TSHGetSettings; |
2231 | RBHandle: THandle; |
2258 | RBHandle: THandle; |
2232 | 2259 | ||
2233 | reg: TRegistry; |
2260 | reg: TRegistry; |
2234 | rbuf: array[0..255] of byte; |
2261 | rbuf: array[0..255] of byte; |
2235 | begin |
2262 | begin |
2236 | PSHGetSettings := nil; |
2263 | PSHGetSettings := nil; |
2237 | result := false; // Avoid warning message |
2264 | result := false; // Avoid warning message |
2238 | 2265 | ||
2239 | RBHandle := LoadLibrary(shell32); |
2266 | RBHandle := LoadLibrary(shell32); |
2240 | try |
2267 | try |
2241 | if RBHandle <> 0 then |
2268 | if RBHandle <> 0 then |
2242 | begin |
2269 | begin |
2243 | PSHGetSettings := GetProcAddress(RBHandle, C_SHGetSettings); |
2270 | PSHGetSettings := GetProcAddress(RBHandle, C_SHGetSettings); |
2244 | if not Assigned(@PSHGetSettings) then |
2271 | if not Assigned(@PSHGetSettings) then |
2245 | begin |
2272 | begin |
2246 | FreeLibrary(RBHandle); |
2273 | FreeLibrary(RBHandle); |
2247 | RBHandle := 0; |
2274 | RBHandle := 0; |
2248 | end; |
2275 | end; |
2249 | end; |
2276 | end; |
2250 | 2277 | ||
2251 | if (RBHandle <> 0) and Assigned(PSHGetSettings) then |
2278 | if (RBHandle <> 0) and Assigned(PSHGetSettings) then |
2252 | begin |
2279 | begin |
2253 | ZeroMemory(@lpss, SizeOf(lpss)); |
2280 | ZeroMemory(@lpss, SizeOf(lpss)); |
2254 | PSHGetSettings(lpss, SSF_NOCONFIRMRECYCLE); |
2281 | PSHGetSettings(lpss, SSF_NOCONFIRMRECYCLE); |
2255 | bNoConfirmRecycle := (lpss.Flags1 and 4) = 4; // fNoConfirmRecycle |
2282 | bNoConfirmRecycle := (lpss.Flags1 and 4) = 4; // fNoConfirmRecycle |
2256 | 2283 | ||
2257 | result := not bNoConfirmRecycle; |
2284 | result := not bNoConfirmRecycle; |
2258 | end |
2285 | end |
2259 | else |
2286 | else |
2260 | begin |
2287 | begin |
2261 | reg := TRegistry.Create; |
2288 | reg := TRegistry.Create; |
2262 | try |
2289 | try |
2263 | // API function call failed. Probably because Windows is too old. |
2290 | // API function call failed. Probably because Windows is too old. |
2264 | // Try to read out from registry. |
2291 | // Try to read out from registry. |
2265 | // The 3rd bit of the 5th byte of "ShellState" is the value |
2292 | // The 3rd bit of the 5th byte of "ShellState" is the value |
2266 | // of "fNoConfirmRecycle". |
2293 | // of "fNoConfirmRecycle". |
2267 | 2294 | ||
2268 | reg.RootKey := HKEY_CURRENT_USER; |
2295 | reg.RootKey := HKEY_CURRENT_USER; |
2269 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer') then |
2296 | if reg.OpenKeyReadOnly('Software\Microsoft\Windows\CurrentVersion\Explorer') then |
2270 | begin |
2297 | begin |
2271 | ZeroMemory(@rbuf, SizeOf(rbuf)); |
2298 | ZeroMemory(@rbuf, SizeOf(rbuf)); |
2272 | reg.ReadBinaryData('ShellState', rbuf, SizeOf(rbuf)); |
2299 | reg.ReadBinaryData('ShellState', rbuf, SizeOf(rbuf)); |
2273 | 2300 | ||
2274 | // Lese 3tes Bit vom 5ten Byte |
2301 | // Lese 3tes Bit vom 5ten Byte |
2275 | bNoConfirmRecycle := ((rbuf[4] and 4) = 4); |
2302 | bNoConfirmRecycle := ((rbuf[4] and 4) = 4); |
2276 | result := not bNoConfirmRecycle; |
2303 | result := not bNoConfirmRecycle; |
2277 | 2304 | ||
2278 | reg.CloseKey; |
2305 | reg.CloseKey; |
2279 | end |
2306 | end |
2280 | else |
2307 | else |
2281 | begin |
2308 | begin |
2282 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHGetSettings])]); |
2309 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHGetSettings])]); |
2283 | end; |
2310 | end; |
2284 | finally |
2311 | finally |
2285 | reg.Free; |
2312 | reg.Free; |
2286 | end; |
2313 | end; |
2287 | end; |
2314 | end; |
2288 | finally |
2315 | finally |
2289 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2316 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2290 | end; |
2317 | end; |
2291 | end; |
2318 | end; |
2292 | 2319 | ||
2293 | class procedure TRecycleBinManager.RecyclerConfirmationDialogSetEnabled(NewSetting: boolean); |
2320 | class procedure TRecycleBinManager.RecyclerConfirmationDialogSetEnabled(NewSetting: boolean); |
2294 | var |
2321 | var |
2295 | lpss: SHELLSTATE; |
2322 | lpss: SHELLSTATE; |
2296 | 2323 | ||
2297 | PSHGetSetSettings: TSHGetSetSettings; |
2324 | PSHGetSetSettings: TSHGetSetSettings; |
2298 | RBHandle: THandle; |
2325 | RBHandle: THandle; |
2299 | 2326 | ||
2300 | reg: TRegistry; |
2327 | reg: TRegistry; |
2301 | rbuf: array[0..255] of byte; |
2328 | rbuf: array[0..255] of byte; |
2302 | 2329 | ||
2303 | dwResult: DWORD; |
2330 | dwResult: DWORD; |
2304 | begin |
2331 | begin |
2305 | PSHGetSetSettings := nil; |
2332 | PSHGetSetSettings := nil; |
2306 | 2333 | ||
2307 | RBHandle := LoadLibrary(shell32); |
2334 | RBHandle := LoadLibrary(shell32); |
2308 | try |
2335 | try |
2309 | if RBHandle <> 0 then |
2336 | if RBHandle <> 0 then |
2310 | begin |
2337 | begin |
2311 | PSHGetSetSettings := GetProcAddress(RBHandle, C_SHGetSetSettings); |
2338 | PSHGetSetSettings := GetProcAddress(RBHandle, C_SHGetSetSettings); |
2312 | if not Assigned(@PSHGetSetSettings) then |
2339 | if not Assigned(@PSHGetSetSettings) then |
2313 | begin |
2340 | begin |
2314 | FreeLibrary(RBHandle); |
2341 | FreeLibrary(RBHandle); |
2315 | RBHandle := 0; |
2342 | RBHandle := 0; |
2316 | end; |
2343 | end; |
2317 | end; |
2344 | end; |
2318 | 2345 | ||
2319 | if (RBHandle <> 0) and Assigned(PSHGetSetSettings) then |
2346 | if (RBHandle <> 0) and Assigned(PSHGetSetSettings) then |
2320 | begin |
2347 | begin |
2321 | ZeroMemory(@lpss, SizeOf(lpss)); |
2348 | ZeroMemory(@lpss, SizeOf(lpss)); |
2322 | 2349 | ||
2323 | PSHGetSetSettings(lpss, SSF_NOCONFIRMRECYCLE, false); // Get |
2350 | PSHGetSetSettings(lpss, SSF_NOCONFIRMRECYCLE, false); // Get |
2324 | 2351 | ||
2325 | // Set 3rd bit equal to NewSetting |
2352 | // Set 3rd bit equal to NewSetting |
2326 | if NewSetting then |
2353 | if NewSetting then |
2327 | lpss.Flags1 := lpss.Flags1 or $00000004 |
2354 | lpss.Flags1 := lpss.Flags1 or $00000004 |
2328 | else |
2355 | else |
2329 | lpss.Flags1 := lpss.Flags1 and $FFFFFFFB; |
2356 | lpss.Flags1 := lpss.Flags1 and $FFFFFFFB; |
2330 | 2357 | ||
2331 | PSHGetSetSettings(lpss, SSF_NOCONFIRMRECYCLE, true); // Set |
2358 | PSHGetSetSettings(lpss, SSF_NOCONFIRMRECYCLE, true); // Set |
2332 | 2359 | ||
2333 | SendMessageTimeout ( |
2360 | SendMessageTimeout ( |
2334 | HWND_BROADCAST, WM_SETTINGCHANGE, |
2361 | HWND_BROADCAST, WM_SETTINGCHANGE, |
2335 | 0, lParam (pChar ('ShellState')), |
2362 | 0, lParam (pChar ('ShellState')), |
2336 | SMTO_ABORTIFHUNG, 5000, dwResult |
2363 | SMTO_ABORTIFHUNG, 5000, dwResult |
2337 | ); |
2364 | ); |
2338 | end |
2365 | end |
2339 | else |
2366 | else |
2340 | begin |
2367 | begin |
2341 | reg := TRegistry.Create; |
2368 | reg := TRegistry.Create; |
2342 | try |
2369 | try |
2343 | // API function call failed. Probably because Windows is too old. |
2370 | // API function call failed. Probably because Windows is too old. |
2344 | // Try to read out from registry. |
2371 | // Try to read out from registry. |
2345 | // The 3rd bit of the 5th byte of "ShellState" is the value |
2372 | // The 3rd bit of the 5th byte of "ShellState" is the value |
2346 | // of "fNoConfirmRecycle". |
2373 | // of "fNoConfirmRecycle". |
2347 | 2374 | ||
2348 | reg.RootKey := HKEY_CURRENT_USER; |
2375 | reg.RootKey := HKEY_CURRENT_USER; |
2349 | if reg.OpenKey('Software\Microsoft\Windows\CurrentVersion\Explorer', false) then |
2376 | if reg.OpenKey('Software\Microsoft\Windows\CurrentVersion\Explorer', false) then |
2350 | begin |
2377 | begin |
2351 | ZeroMemory(@rbuf, SizeOf(rbuf)); |
2378 | ZeroMemory(@rbuf, SizeOf(rbuf)); |
2352 | 2379 | ||
2353 | reg.ReadBinaryData('ShellState', rbuf, SizeOf(rbuf)); // Get |
2380 | reg.ReadBinaryData('ShellState', rbuf, SizeOf(rbuf)); // Get |
2354 | 2381 | ||
2355 | // Set 3rd bit equal to NewSetting |
2382 | // Set 3rd bit equal to NewSetting |
2356 | if NewSetting then |
2383 | if NewSetting then |
2357 | rbuf[4] := rbuf[4] or $04 |
2384 | rbuf[4] := rbuf[4] or $04 |
2358 | else |
2385 | else |
2359 | rbuf[4] := rbuf[4] and $FB; |
2386 | rbuf[4] := rbuf[4] and $FB; |
2360 | 2387 | ||
2361 | reg.WriteBinaryData('ShellState', rbuf, SizeOf(rbuf)); // Set |
2388 | reg.WriteBinaryData('ShellState', rbuf, SizeOf(rbuf)); // Set |
2362 | 2389 | ||
2363 | SendMessageTimeout ( |
2390 | SendMessageTimeout ( |
2364 | HWND_BROADCAST, WM_SETTINGCHANGE, |
2391 | HWND_BROADCAST, WM_SETTINGCHANGE, |
2365 | 0, lParam (pChar ('ShellState')), |
2392 | 0, lParam (pChar ('ShellState')), |
2366 | SMTO_ABORTIFHUNG, 5000, dwResult |
2393 | SMTO_ABORTIFHUNG, 5000, dwResult |
2367 | ); |
2394 | ); |
2368 | 2395 | ||
2369 | reg.CloseKey; |
2396 | reg.CloseKey; |
2370 | end |
2397 | end |
2371 | else |
2398 | else |
2372 | begin |
2399 | begin |
2373 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHGetSetSettings])]); |
2400 | raise EAPICallError.CreateFmt(LNG_API_CALL_ERROR, [Format(LNG_NOT_CALLABLE, [C_SHGetSetSettings])]); |
2374 | end; |
2401 | end; |
2375 | finally |
2402 | finally |
2376 | reg.Free; |
2403 | reg.Free; |
2377 | end; |
2404 | end; |
2378 | end; |
2405 | end; |
2379 | finally |
2406 | finally |
2380 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2407 | if RBHandle <> 0 then FreeLibrary(RBHandle); |
2381 | end; |
2408 | end; |
2382 | end; |
2409 | end; |
2383 | 2410 | ||
2384 | { TRbRecycleBinItem } |
2411 | { TRbRecycleBinItem } |
2385 | 2412 | ||
2386 | function TRbRecycleBinItem.GetSource: string; |
2413 | function TRbRecycleBinItem.GetSource: string; |
2387 | begin |
2414 | begin |
2388 | {$IFDEF UNICODE} |
2415 | {$IFDEF UNICODE} |
2389 | result := SourceUnicode; |
2416 | result := SourceUnicode; |
2390 | {$ELSE} |
2417 | {$ELSE} |
2391 | result := SourceAnsi; |
2418 | result := SourceAnsi; |
2392 | {$ENDIF} |
2419 | {$ENDIF} |
2393 | - | ||
2394 | // Remove #0 at the end. There are some bugs where #0 is added to ANSI/Unicode read paths?! (probably in the ReadVista stuff) |
- | |
2395 | // TODO: Instead of using this workaround, fix "SourceUnicode" and "SourceAnsi"! |
- | |
2396 | while (Length(result) > 0) and (result[Length(result)] = #0) do |
- | |
2397 | result := Copy(result, 1, Length(result)-1); |
- | |
2398 | end; |
2420 | end; |
2399 | 2421 | ||
2400 | end. |
2422 | end. |
2401 | 2423 |