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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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/blob/deletable_file_reference.h" | 5 #include "webkit/blob/deletable_file_reference.h" |
6 | 6 |
7 #include <map> | 7 #include <map> |
8 #include "base/file_util.h" | 8 #include "base/file_util.h" |
9 #include "base/file_util_proxy.h" | 9 #include "base/file_util_proxy.h" |
10 #include "base/message_loop_proxy.h" | 10 #include "base/message_loop_proxy.h" |
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35 scoped_refptr<DeletableFileReference> DeletableFileReference::GetOrCreate( | 35 scoped_refptr<DeletableFileReference> DeletableFileReference::GetOrCreate( |
36 const FilePath& path, base::MessageLoopProxy* file_thread) { | 36 const FilePath& path, base::MessageLoopProxy* file_thread) { |
37 DCHECK(file_thread); | 37 DCHECK(file_thread); |
38 typedef std::pair<DeleteableFileMap::iterator, bool> InsertResult; | 38 typedef std::pair<DeleteableFileMap::iterator, bool> InsertResult; |
39 InsertResult result = map()->insert( | 39 InsertResult result = map()->insert( |
40 DeleteableFileMap::value_type(path, NULL)); | 40 DeleteableFileMap::value_type(path, NULL)); |
41 if (result.second == false) | 41 if (result.second == false) |
42 return scoped_refptr<DeletableFileReference>(result.first->second); | 42 return scoped_refptr<DeletableFileReference>(result.first->second); |
43 | 43 |
44 // Wasn't in the map, create a new reference and store the pointer. | 44 // Wasn't in the map, create a new reference and store the pointer. |
45 scoped_refptr<DeletableFileReference> reference = | 45 scoped_refptr<DeletableFileReference> reference( |
46 new DeletableFileReference(path, file_thread); | 46 new DeletableFileReference(path, file_thread)); |
47 result.first->second = reference.get(); | 47 result.first->second = reference.get(); |
48 return reference; | 48 return reference; |
49 } | 49 } |
50 | 50 |
51 DeletableFileReference::DeletableFileReference( | 51 DeletableFileReference::DeletableFileReference( |
52 const FilePath& path, base::MessageLoopProxy* file_thread) | 52 const FilePath& path, base::MessageLoopProxy* file_thread) |
53 : path_(path), file_thread_(file_thread) { | 53 : path_(path), file_thread_(file_thread) { |
54 DCHECK(map()->find(path_)->second == NULL); | 54 DCHECK(map()->find(path_)->second == NULL); |
55 } | 55 } |
56 | 56 |
57 DeletableFileReference::~DeletableFileReference() { | 57 DeletableFileReference::~DeletableFileReference() { |
58 DCHECK(map()->find(path_)->second == this); | 58 DCHECK(map()->find(path_)->second == this); |
59 map()->erase(path_); | 59 map()->erase(path_); |
60 base::FileUtilProxy::Delete(file_thread_, path_, false /* recursive */, NULL); | 60 base::FileUtilProxy::Delete(file_thread_, path_, false /* recursive */, NULL); |
61 } | 61 } |
62 | 62 |
63 } // namespace webkit_blob | 63 } // namespace webkit_blob |
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