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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ | 5 #ifndef WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ |
6 #define WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ | 6 #define WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/hash_tables.h" | 11 #include "base/hash_tables.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/process.h" | 13 #include "base/process.h" |
14 #include "webkit/blob/blob_data.h" | 14 #include "webkit/blob/blob_data.h" |
15 #include "webkit/storage/webkit_storage_export.h" | 15 #include "webkit/storage/webkit_storage_export.h" |
16 | 16 |
17 class GURL; | 17 class GURL; |
18 class FilePath; | |
19 | 18 |
20 namespace base { | 19 namespace base { |
| 20 class FilePath; |
21 class Time; | 21 class Time; |
22 } | 22 } |
23 | 23 |
24 namespace webkit_blob { | 24 namespace webkit_blob { |
25 | 25 |
26 // This class handles the logistics of blob Storage within the browser process. | 26 // This class handles the logistics of blob Storage within the browser process. |
27 class WEBKIT_STORAGE_EXPORT BlobStorageController { | 27 class WEBKIT_STORAGE_EXPORT BlobStorageController { |
28 public: | 28 public: |
29 BlobStorageController(); | 29 BlobStorageController(); |
30 ~BlobStorageController(); | 30 ~BlobStorageController(); |
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41 friend class ViewBlobInternalsJob; | 41 friend class ViewBlobInternalsJob; |
42 | 42 |
43 typedef base::hash_map<std::string, scoped_refptr<BlobData> > BlobMap; | 43 typedef base::hash_map<std::string, scoped_refptr<BlobData> > BlobMap; |
44 typedef std::map<BlobData*, int> BlobDataUsageMap; | 44 typedef std::map<BlobData*, int> BlobDataUsageMap; |
45 | 45 |
46 void AppendStorageItems(BlobData* target_blob_data, | 46 void AppendStorageItems(BlobData* target_blob_data, |
47 BlobData* src_blob_data, | 47 BlobData* src_blob_data, |
48 uint64 offset, | 48 uint64 offset, |
49 uint64 length); | 49 uint64 length); |
50 void AppendFileItem(BlobData* target_blob_data, | 50 void AppendFileItem(BlobData* target_blob_data, |
51 const FilePath& file_path, uint64 offset, uint64 length, | 51 const base::FilePath& file_path, uint64 offset, |
| 52 uint64 length, |
52 const base::Time& expected_modification_time); | 53 const base::Time& expected_modification_time); |
53 void AppendFileSystemFileItem( | 54 void AppendFileSystemFileItem( |
54 BlobData* target_blob_data, | 55 BlobData* target_blob_data, |
55 const GURL& url, uint64 offset, uint64 length, | 56 const GURL& url, uint64 offset, uint64 length, |
56 const base::Time& expected_modification_time); | 57 const base::Time& expected_modification_time); |
57 | 58 |
58 bool RemoveFromMapHelper(BlobMap* map, const GURL& url); | 59 bool RemoveFromMapHelper(BlobMap* map, const GURL& url); |
59 | 60 |
60 void IncrementBlobDataUsage(BlobData* blob_data); | 61 void IncrementBlobDataUsage(BlobData* blob_data); |
61 // Returns true if no longer in use. | 62 // Returns true if no longer in use. |
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72 // Multiple urls can refer to the same blob data, this map keeps track of | 73 // Multiple urls can refer to the same blob data, this map keeps track of |
73 // how many urls refer to a BlobData. | 74 // how many urls refer to a BlobData. |
74 BlobDataUsageMap blob_data_usage_count_; | 75 BlobDataUsageMap blob_data_usage_count_; |
75 | 76 |
76 DISALLOW_COPY_AND_ASSIGN(BlobStorageController); | 77 DISALLOW_COPY_AND_ASSIGN(BlobStorageController); |
77 }; | 78 }; |
78 | 79 |
79 } // namespace webkit_blob | 80 } // namespace webkit_blob |
80 | 81 |
81 #endif // WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ | 82 #endif // WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_ |
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