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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 #ifndef WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 5 #ifndef WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
6 #define WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 6 #define WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/file_path.h" | 11 #include "base/file_path.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
15 #include "third_party/leveldatabase/src/include/leveldb/status.h" | 15 #include "third_party/leveldatabase/src/include/leveldb/status.h" |
| 16 #include "webkit/dom_storage/dom_storage_export.h" |
16 #include "webkit/dom_storage/dom_storage_types.h" | 17 #include "webkit/dom_storage/dom_storage_types.h" |
17 | 18 |
18 class GURL; | 19 class GURL; |
19 | 20 |
20 namespace leveldb { | 21 namespace leveldb { |
21 class DB; | 22 class DB; |
22 struct ReadOptions; | 23 struct ReadOptions; |
23 class WriteBatch; | 24 class WriteBatch; |
24 } // namespace leveldb | 25 } // namespace leveldb |
25 | 26 |
26 namespace dom_storage { | 27 namespace dom_storage { |
27 | 28 |
28 // SessionStorageDatabase holds the data from multiple namespaces and multiple | 29 // SessionStorageDatabase holds the data from multiple namespaces and multiple |
29 // origins. All DomStorageAreas for session storage share the same | 30 // origins. All DomStorageAreas for session storage share the same |
30 // SessionStorageDatabase. | 31 // SessionStorageDatabase. |
31 | 32 |
32 // Only one thread is allowed to call the public functions other than | 33 // Only one thread is allowed to call the public functions other than |
33 // ReadAreaValues. Other threads area allowed to call ReadAreaValues. | 34 // ReadAreaValues. Other threads area allowed to call ReadAreaValues. |
34 class SessionStorageDatabase : | 35 class DOM_STORAGE_EXPORT SessionStorageDatabase : |
35 public base::RefCountedThreadSafe<SessionStorageDatabase> { | 36 public base::RefCountedThreadSafe<SessionStorageDatabase> { |
36 public: | 37 public: |
37 explicit SessionStorageDatabase(const FilePath& file_path); | 38 explicit SessionStorageDatabase(const FilePath& file_path); |
38 | 39 |
39 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is | 40 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is |
40 // assumed to be empty and any duplicate keys will be overwritten. If the | 41 // assumed to be empty and any duplicate keys will be overwritten. If the |
41 // database exists on disk then it will be opened. If it does not exist then | 42 // database exists on disk then it will be opened. If it does not exist then |
42 // it will not be created and |result| will be unmodified. | 43 // it will not be created and |result| will be unmodified. |
43 void ReadAreaValues(const std::string& namespace_id, | 44 void ReadAreaValues(const std::string& namespace_id, |
44 const GURL& origin, | 45 const GURL& origin, |
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197 bool db_error_; | 198 bool db_error_; |
198 // True if the database is in an inconsistent state. | 199 // True if the database is in an inconsistent state. |
199 bool is_inconsistent_; | 200 bool is_inconsistent_; |
200 | 201 |
201 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); | 202 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); |
202 }; | 203 }; |
203 | 204 |
204 } // namespace dom_storage | 205 } // namespace dom_storage |
205 | 206 |
206 #endif // WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 207 #endif // WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
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