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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/path_service.h" | 5 #include "base/path_service.h" |
| 6 | 6 |
| 7 #if defined(OS_WIN) | 7 #if defined(OS_WIN) |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 #include <shellapi.h> | 9 #include <shellapi.h> |
| 10 #include <shlobj.h> | 10 #include <shlobj.h> |
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| 226 | 226 |
| 227 base::AutoLock scoped_lock(path_data->lock); | 227 base::AutoLock scoped_lock(path_data->lock); |
| 228 if (!path_data->cache_disabled) | 228 if (!path_data->cache_disabled) |
| 229 path_data->cache[key] = path; | 229 path_data->cache[key] = path; |
| 230 | 230 |
| 231 return true; | 231 return true; |
| 232 } | 232 } |
| 233 | 233 |
| 234 // static | 234 // static |
| 235 bool PathService::Override(int key, const FilePath& path) { | 235 bool PathService::Override(int key, const FilePath& path) { |
| 236 // Just call the full function with true for the value of |create|. | 236 // Just call the full function with true for the value of |create|, and |
| 237 return OverrideAndCreateIfNeeded(key, path, true); | 237 // assume that |path| may not be absolute yet. |
| 238 return OverrideAndCreateIfNeeded(key, path, false, true); |
| 238 } | 239 } |
| 239 | 240 |
| 240 // static | 241 // static |
| 241 bool PathService::OverrideAndCreateIfNeeded(int key, | 242 bool PathService::OverrideAndCreateIfNeeded(int key, |
| 242 const FilePath& path, | 243 const FilePath& path, |
| 244 bool is_absolute, |
| 243 bool create) { | 245 bool create) { |
| 244 PathData* path_data = GetPathData(); | 246 PathData* path_data = GetPathData(); |
| 245 DCHECK(path_data); | 247 DCHECK(path_data); |
| 246 DCHECK_GT(key, base::DIR_CURRENT) << "invalid path key"; | 248 DCHECK_GT(key, base::DIR_CURRENT) << "invalid path key"; |
| 247 | 249 |
| 248 FilePath file_path = path; | 250 FilePath file_path = path; |
| 249 | 251 |
| 250 // For some locations this will fail if called from inside the sandbox there- | 252 // For some locations this will fail if called from inside the sandbox there- |
| 251 // fore we protect this call with a flag. | 253 // fore we protect this call with a flag. |
| 252 if (create) { | 254 if (create) { |
| 253 // Make sure the directory exists. We need to do this before we translate | 255 // Make sure the directory exists. We need to do this before we translate |
| 254 // this to the absolute path because on POSIX, MakeAbsoluteFilePath fails | 256 // this to the absolute path because on POSIX, MakeAbsoluteFilePath fails |
| 255 // if called on a non-existent path. | 257 // if called on a non-existent path. |
| 256 if (!base::PathExists(file_path) && | 258 if (!base::PathExists(file_path) && |
| 257 !base::CreateDirectory(file_path)) | 259 !base::CreateDirectory(file_path)) |
| 258 return false; | 260 return false; |
| 259 } | 261 } |
| 260 | 262 |
| 261 // We need to have an absolute path. | 263 // We need to have an absolute path. |
| 262 file_path = MakeAbsoluteFilePath(file_path); | 264 if (!is_absolute) { |
| 263 if (file_path.empty()) | 265 file_path = MakeAbsoluteFilePath(file_path); |
| 264 return false; | 266 if (file_path.empty()) |
| 267 return false; |
| 268 } |
| 269 DCHECK(file_path.IsAbsolute()); |
| 265 | 270 |
| 266 base::AutoLock scoped_lock(path_data->lock); | 271 base::AutoLock scoped_lock(path_data->lock); |
| 267 | 272 |
| 268 // Clear the cache now. Some of its entries could have depended | 273 // Clear the cache now. Some of its entries could have depended |
| 269 // on the value we are overriding, and are now out of sync with reality. | 274 // on the value we are overriding, and are now out of sync with reality. |
| 270 path_data->cache.clear(); | 275 path_data->cache.clear(); |
| 271 | 276 |
| 272 path_data->overrides[key] = file_path; | 277 path_data->overrides[key] = file_path; |
| 273 | 278 |
| 274 return true; | 279 return true; |
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| 327 | 332 |
| 328 // static | 333 // static |
| 329 void PathService::DisableCache() { | 334 void PathService::DisableCache() { |
| 330 PathData* path_data = GetPathData(); | 335 PathData* path_data = GetPathData(); |
| 331 DCHECK(path_data); | 336 DCHECK(path_data); |
| 332 | 337 |
| 333 base::AutoLock scoped_lock(path_data->lock); | 338 base::AutoLock scoped_lock(path_data->lock); |
| 334 path_data->cache.clear(); | 339 path_data->cache.clear(); |
| 335 path_data->cache_disabled = true; | 340 path_data->cache_disabled = true; |
| 336 } | 341 } |
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