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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 "webkit/browser/fileapi/isolated_context.h" | 5 #include "webkit/browser/fileapi/isolated_context.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/rand_util.h" | 10 #include "base/rand_util.h" |
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34 } | 34 } |
35 name.append(1, path.value()[i]); | 35 name.append(1, path.value()[i]); |
36 } | 36 } |
37 return name; | 37 return name; |
38 #else | 38 #else |
39 return FILE_PATH_LITERAL("<root>"); | 39 return FILE_PATH_LITERAL("<root>"); |
40 #endif | 40 #endif |
41 } | 41 } |
42 | 42 |
43 bool IsSinglePathIsolatedFileSystem(FileSystemType type) { | 43 bool IsSinglePathIsolatedFileSystem(FileSystemType type) { |
44 switch (type) { | 44 DCHECK_NE(kFileSystemTypeUnknown, type); |
45 // As of writing dragged file system is the only filesystem | 45 // As of writing dragged file system is the only filesystem which could have |
46 // which could have multiple top-level paths. | 46 // multiple top-level paths. |
47 case kFileSystemTypeDragged: | 47 return type != kFileSystemTypeDragged; |
48 return false; | |
49 | |
50 case kFileSystemTypeUnknown: | |
51 NOTREACHED(); | |
52 return true; | |
53 | |
54 default: | |
55 return true; | |
56 } | |
57 NOTREACHED(); | |
58 return true; | |
59 } | 48 } |
60 | 49 |
61 static base::LazyInstance<IsolatedContext>::Leaky g_isolated_context = | 50 static base::LazyInstance<IsolatedContext>::Leaky g_isolated_context = |
62 LAZY_INSTANCE_INITIALIZER; | 51 LAZY_INSTANCE_INITIALIZER; |
63 | 52 |
64 } // namespace | 53 } // namespace |
65 | 54 |
66 IsolatedContext::FileInfoSet::FileInfoSet() {} | 55 IsolatedContext::FileInfoSet::FileInfoSet() {} |
67 IsolatedContext::FileInfoSet::~FileInfoSet() {} | 56 IsolatedContext::FileInfoSet::~FileInfoSet() {} |
68 | 57 |
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470 uint32 random_data[4]; | 459 uint32 random_data[4]; |
471 std::string id; | 460 std::string id; |
472 do { | 461 do { |
473 base::RandBytes(random_data, sizeof(random_data)); | 462 base::RandBytes(random_data, sizeof(random_data)); |
474 id = base::HexEncode(random_data, sizeof(random_data)); | 463 id = base::HexEncode(random_data, sizeof(random_data)); |
475 } while (instance_map_.find(id) != instance_map_.end()); | 464 } while (instance_map_.find(id) != instance_map_.end()); |
476 return id; | 465 return id; |
477 } | 466 } |
478 | 467 |
479 } // namespace fileapi | 468 } // namespace fileapi |
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