xpcom/ds/nsIWindowsRegKey.idl

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "nsISupports.idl"
michael@0 8
michael@0 9 native HKEY(HKEY);
michael@0 10
michael@0 11 /**
michael@0 12 * This interface is designed to provide scriptable access to the Windows
michael@0 13 * registry system ("With Great Power Comes Great Responsibility"). The
michael@0 14 * interface represents a single key in the registry.
michael@0 15 *
michael@0 16 * This interface is highly Win32 specific.
michael@0 17 */
michael@0 18 [scriptable, uuid(2555b930-d64f-437e-9be7-0a2cb252c1f4)]
michael@0 19 interface nsIWindowsRegKey : nsISupports
michael@0 20 {
michael@0 21 /**
michael@0 22 * Root keys. The values for these keys correspond to the values from
michael@0 23 * WinReg.h in the MS Platform SDK. The ROOT_KEY_ prefix corresponds to the
michael@0 24 * HKEY_ prefix in the MS Platform SDK.
michael@0 25 *
michael@0 26 * This interface is not restricted to using only these root keys.
michael@0 27 */
michael@0 28 const unsigned long ROOT_KEY_CLASSES_ROOT = 0x80000000;
michael@0 29 const unsigned long ROOT_KEY_CURRENT_USER = 0x80000001;
michael@0 30 const unsigned long ROOT_KEY_LOCAL_MACHINE = 0x80000002;
michael@0 31
michael@0 32 /**
michael@0 33 * Values for the mode parameter passed to the open and create methods.
michael@0 34 * The values defined here correspond to the REGSAM values defined in
michael@0 35 * WinNT.h in the MS Platform SDK, where ACCESS_ is replaced with KEY_.
michael@0 36 *
michael@0 37 * This interface is not restricted to using only these access types.
michael@0 38 */
michael@0 39 const unsigned long ACCESS_BASIC = 0x00020000;
michael@0 40 const unsigned long ACCESS_QUERY_VALUE = 0x00000001;
michael@0 41 const unsigned long ACCESS_SET_VALUE = 0x00000002;
michael@0 42 const unsigned long ACCESS_CREATE_SUB_KEY = 0x00000004;
michael@0 43 const unsigned long ACCESS_ENUMERATE_SUB_KEYS = 0x00000008;
michael@0 44 const unsigned long ACCESS_NOTIFY = 0x00000010;
michael@0 45 const unsigned long ACCESS_READ = ACCESS_BASIC |
michael@0 46 ACCESS_QUERY_VALUE |
michael@0 47 ACCESS_ENUMERATE_SUB_KEYS |
michael@0 48 ACCESS_NOTIFY;
michael@0 49 const unsigned long ACCESS_WRITE = ACCESS_BASIC |
michael@0 50 ACCESS_SET_VALUE |
michael@0 51 ACCESS_CREATE_SUB_KEY;
michael@0 52 const unsigned long ACCESS_ALL = ACCESS_READ |
michael@0 53 ACCESS_WRITE;
michael@0 54 const unsigned long WOW64_32 = 0x00000200;
michael@0 55 const unsigned long WOW64_64 = 0x00000100;
michael@0 56
michael@0 57
michael@0 58 /**
michael@0 59 * Values for the type of a registry value. The numeric values of these
michael@0 60 * constants are taken directly from WinNT.h in the MS Platform SDK.
michael@0 61 * The Microsoft documentation should be consulted for the exact meaning of
michael@0 62 * these value types.
michael@0 63 *
michael@0 64 * This interface is somewhat restricted to using only these value types.
michael@0 65 * There is no method that is directly equivalent to RegQueryValueEx or
michael@0 66 * RegSetValueEx. In particular, this interface does not support the
michael@0 67 * REG_MULTI_SZ and REG_EXPAND_SZ value types. It is still possible to
michael@0 68 * enumerate values that have other types (i.e., getValueType may return a
michael@0 69 * type not defined below).
michael@0 70 */
michael@0 71 const unsigned long TYPE_NONE = 0; // REG_NONE
michael@0 72 const unsigned long TYPE_STRING = 1; // REG_SZ
michael@0 73 const unsigned long TYPE_BINARY = 3; // REG_BINARY
michael@0 74 const unsigned long TYPE_INT = 4; // REG_DWORD
michael@0 75 const unsigned long TYPE_INT64 = 11; // REG_QWORD
michael@0 76
michael@0 77 /**
michael@0 78 * This attribute exposes the native HKEY and is available to provide C++
michael@0 79 * consumers with the flexibility of making other Windows registry API calls
michael@0 80 * that are not exposed via this interface.
michael@0 81 *
michael@0 82 * It is possible to initialize this object by setting an HKEY on it. In
michael@0 83 * that case, it is the responsibility of the consumer setting the HKEY to
michael@0 84 * ensure that it is a valid HKEY.
michael@0 85 *
michael@0 86 * WARNING: Setting the key does not close the old key.
michael@0 87 */
michael@0 88 [noscript] attribute HKEY key;
michael@0 89
michael@0 90 /**
michael@0 91 * This method closes the key. If the key is already closed, then this
michael@0 92 * method does nothing.
michael@0 93 */
michael@0 94 void close();
michael@0 95
michael@0 96 /**
michael@0 97 * This method opens an existing key. This method fails if the key
michael@0 98 * does not exist.
michael@0 99 *
michael@0 100 * NOTE: On 32-bit Windows, it is valid to pass any HKEY as the rootKey
michael@0 101 * parameter of this function. However, for compatibility with 64-bit
michael@0 102 * Windows, that usage should probably be avoided in favor of openChild.
michael@0 103 *
michael@0 104 * @param rootKey
michael@0 105 * A root key defined above or any valid HKEY on 32-bit Windows.
michael@0 106 * @param relPath
michael@0 107 * A relative path from the given root key.
michael@0 108 * @param mode
michael@0 109 * Access mode, which is a bit-wise OR of the ACCESS_ values defined
michael@0 110 * above.
michael@0 111 */
michael@0 112 void open(in unsigned long rootKey, in AString relPath, in unsigned long mode);
michael@0 113
michael@0 114 /**
michael@0 115 * This method opens an existing key or creates a new key.
michael@0 116 *
michael@0 117 * NOTE: On 32-bit Windows, it is valid to pass any HKEY as the rootKey
michael@0 118 * parameter of this function. However, for compatibility with 64-bit
michael@0 119 * Windows, that usage should probably be avoided in favor of createChild.
michael@0 120 *
michael@0 121 * @param rootKey
michael@0 122 * A root key defined above or any valid HKEY on 32-bit Windows.
michael@0 123 * @param relPath
michael@0 124 * A relative path from the given root key.
michael@0 125 * @param mode
michael@0 126 * Access mode, which is a bit-wise OR of the ACCESS_ values defined
michael@0 127 * above.
michael@0 128 */
michael@0 129 void create(in unsigned long rootKey, in AString relPath, in unsigned long mode);
michael@0 130
michael@0 131 /**
michael@0 132 * This method opens a subkey relative to this key. This method fails if the
michael@0 133 * key does not exist.
michael@0 134 *
michael@0 135 * @return nsIWindowsRegKey for the newly opened subkey.
michael@0 136 */
michael@0 137 nsIWindowsRegKey openChild(in AString relPath, in unsigned long mode);
michael@0 138
michael@0 139 /**
michael@0 140 * This method opens or creates a subkey relative to this key.
michael@0 141 *
michael@0 142 * @return nsIWindowsRegKey for the newly opened or created subkey.
michael@0 143 */
michael@0 144 nsIWindowsRegKey createChild(in AString relPath, in unsigned long mode);
michael@0 145
michael@0 146 /**
michael@0 147 * This attribute returns the number of child keys.
michael@0 148 */
michael@0 149 readonly attribute unsigned long childCount;
michael@0 150
michael@0 151 /**
michael@0 152 * This method returns the name of the n'th child key.
michael@0 153 *
michael@0 154 * @param index
michael@0 155 * The index of the requested child key.
michael@0 156 */
michael@0 157 AString getChildName(in unsigned long index);
michael@0 158
michael@0 159 /**
michael@0 160 * This method checks to see if the key has a child by the given name.
michael@0 161 *
michael@0 162 * @param name
michael@0 163 * The name of the requested child key.
michael@0 164 */
michael@0 165 boolean hasChild(in AString name);
michael@0 166
michael@0 167 /**
michael@0 168 * This attribute returns the number of values under this key.
michael@0 169 */
michael@0 170 readonly attribute unsigned long valueCount;
michael@0 171
michael@0 172 /**
michael@0 173 * This method returns the name of the n'th value under this key.
michael@0 174 *
michael@0 175 * @param index
michael@0 176 * The index of the requested value.
michael@0 177 */
michael@0 178 AString getValueName(in unsigned long index);
michael@0 179
michael@0 180 /**
michael@0 181 * This method checks to see if the key has a value by the given name.
michael@0 182 *
michael@0 183 * @param name
michael@0 184 * The name of the requested value.
michael@0 185 */
michael@0 186 boolean hasValue(in AString name);
michael@0 187
michael@0 188 /**
michael@0 189 * This method removes a child key and all of its values. This method will
michael@0 190 * fail if the key has any children of its own.
michael@0 191 *
michael@0 192 * @param relPath
michael@0 193 * The relative path from this key to the key to be removed.
michael@0 194 */
michael@0 195 void removeChild(in AString relPath);
michael@0 196
michael@0 197 /**
michael@0 198 * This method removes the value with the given name.
michael@0 199 *
michael@0 200 * @param name
michael@0 201 * The name of the value to be removed.
michael@0 202 */
michael@0 203 void removeValue(in AString name);
michael@0 204
michael@0 205 /**
michael@0 206 * This method returns the type of the value with the given name. The return
michael@0 207 * value is one of the "TYPE_" constants defined above.
michael@0 208 *
michael@0 209 * @param name
michael@0 210 * The name of the value to query.
michael@0 211 */
michael@0 212 unsigned long getValueType(in AString name);
michael@0 213
michael@0 214 /**
michael@0 215 * This method reads the string contents of the named value as a Unicode
michael@0 216 * string.
michael@0 217 *
michael@0 218 * @param name
michael@0 219 * The name of the value to query. This parameter can be the empty
michael@0 220 * string to request the key's default value.
michael@0 221 */
michael@0 222 AString readStringValue(in AString name);
michael@0 223
michael@0 224 /**
michael@0 225 * This method reads the integer contents of the named value.
michael@0 226 *
michael@0 227 * @param name
michael@0 228 * The name of the value to query.
michael@0 229 */
michael@0 230 unsigned long readIntValue(in AString name);
michael@0 231
michael@0 232 /**
michael@0 233 * This method reads the 64-bit integer contents of the named value.
michael@0 234 *
michael@0 235 * @param name
michael@0 236 * The name of the value to query.
michael@0 237 */
michael@0 238 unsigned long long readInt64Value(in AString name);
michael@0 239
michael@0 240 /**
michael@0 241 * This method reads the binary contents of the named value under this key.
michael@0 242 *
michael@0 243 * JavaScript callers should take care with the result of this method since
michael@0 244 * it will be byte-expanded to form a JS string. (The binary data will be
michael@0 245 * treated as an ISO-Latin-1 character string, which it is not).
michael@0 246 *
michael@0 247 * @param name
michael@0 248 * The name of the value to query.
michael@0 249 */
michael@0 250 ACString readBinaryValue(in AString name);
michael@0 251
michael@0 252 /**
michael@0 253 * This method writes the unicode string contents of the named value. The
michael@0 254 * value will be created if it does not already exist.
michael@0 255 *
michael@0 256 * @param name
michael@0 257 * The name of the value to modify. This parameter can be the empty
michael@0 258 * string to modify the key's default value.
michael@0 259 * @param data
michael@0 260 * The data for the value to modify.
michael@0 261 */
michael@0 262 void writeStringValue(in AString name, in AString data);
michael@0 263
michael@0 264 /**
michael@0 265 * This method writes the integer contents of the named value. The value
michael@0 266 * will be created if it does not already exist.
michael@0 267 *
michael@0 268 * @param name
michael@0 269 * The name of the value to modify.
michael@0 270 * @param data
michael@0 271 * The data for the value to modify.
michael@0 272 */
michael@0 273 void writeIntValue(in AString name, in unsigned long data);
michael@0 274
michael@0 275 /**
michael@0 276 * This method writes the 64-bit integer contents of the named value. The
michael@0 277 * value will be created if it does not already exist.
michael@0 278 *
michael@0 279 * @param name
michael@0 280 * The name of the value to modify.
michael@0 281 * @param data
michael@0 282 * The data for the value to modify.
michael@0 283 */
michael@0 284 void writeInt64Value(in AString name, in unsigned long long data);
michael@0 285
michael@0 286 /**
michael@0 287 * This method writes the binary contents of the named value. The value will
michael@0 288 * be created if it does not already exist.
michael@0 289 *
michael@0 290 * JavaScript callers should take care with the value passed to this method
michael@0 291 * since it will be truncated from a JS string (unicode) to a ISO-Latin-1
michael@0 292 * string. (The binary data will be treated as an ISO-Latin-1 character
michael@0 293 * string, which it is not). So, JavaScript callers should only pass
michael@0 294 * character values in the range \u0000 to \u00FF, or else data loss will
michael@0 295 * occur.
michael@0 296 *
michael@0 297 * @param name
michael@0 298 * The name of the value to modify.
michael@0 299 * @param data
michael@0 300 * The data for the value to modify.
michael@0 301 */
michael@0 302 void writeBinaryValue(in AString name, in ACString data);
michael@0 303
michael@0 304 /**
michael@0 305 * This method starts watching the key to see if any of its values have
michael@0 306 * changed. The key must have been opened with mode including ACCESS_NOTIFY.
michael@0 307 * If recurse is true, then this key and any of its descendant keys are
michael@0 308 * watched. Otherwise, only this key is watched.
michael@0 309 *
michael@0 310 * @param recurse
michael@0 311 * Indicates whether or not to also watch child keys.
michael@0 312 */
michael@0 313 void startWatching(in boolean recurse);
michael@0 314
michael@0 315 /**
michael@0 316 * This method stops any watching of the key initiated by a call to
michael@0 317 * startWatching. This method does nothing if the key is not being watched.
michael@0 318 */
michael@0 319 void stopWatching();
michael@0 320
michael@0 321 /**
michael@0 322 * This method returns true if the key is being watched for changes (i.e.,
michael@0 323 * if startWatching() was called).
michael@0 324 */
michael@0 325 boolean isWatching();
michael@0 326
michael@0 327 /**
michael@0 328 * This method returns true if the key has changed and false otherwise.
michael@0 329 * This method will always return false if startWatching was not called.
michael@0 330 */
michael@0 331 boolean hasChanged();
michael@0 332 };

mercurial