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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_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 5 #ifndef WEBKIT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
| 6 #define WEBKIT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 6 #define WEBKIT_BROWSER_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/files/file_path.h" | 11 #include "base/files/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/browser/webkit_storage_browser_export.h" |
| 16 #include "webkit/common/dom_storage/dom_storage_types.h" | 17 #include "webkit/common/dom_storage/dom_storage_types.h" |
| 17 #include "webkit/storage/webkit_storage_export.h" | |
| 18 | 18 |
| 19 class GURL; | 19 class GURL; |
| 20 | 20 |
| 21 namespace leveldb { | 21 namespace leveldb { |
| 22 class DB; | 22 class DB; |
| 23 struct ReadOptions; | 23 struct ReadOptions; |
| 24 class WriteBatch; | 24 class WriteBatch; |
| 25 } // namespace leveldb | 25 } // namespace leveldb |
| 26 | 26 |
| 27 namespace dom_storage { | 27 namespace dom_storage { |
| 28 | 28 |
| 29 // SessionStorageDatabase holds the data from multiple namespaces and multiple | 29 // SessionStorageDatabase holds the data from multiple namespaces and multiple |
| 30 // origins. All DomStorageAreas for session storage share the same | 30 // origins. All DomStorageAreas for session storage share the same |
| 31 // SessionStorageDatabase. | 31 // SessionStorageDatabase. |
| 32 | 32 |
| 33 // 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 |
| 34 // ReadAreaValues and ReadNamespacesAndOrigins. Other threads are allowed to | 34 // ReadAreaValues and ReadNamespacesAndOrigins. Other threads are allowed to |
| 35 // call ReadAreaValues and ReadNamespacesAndOrigins. | 35 // call ReadAreaValues and ReadNamespacesAndOrigins. |
| 36 class WEBKIT_STORAGE_EXPORT SessionStorageDatabase : | 36 class WEBKIT_STORAGE_BROWSER_EXPORT SessionStorageDatabase : |
| 37 public base::RefCountedThreadSafe<SessionStorageDatabase> { | 37 public base::RefCountedThreadSafe<SessionStorageDatabase> { |
| 38 public: | 38 public: |
| 39 explicit SessionStorageDatabase(const base::FilePath& file_path); | 39 explicit SessionStorageDatabase(const base::FilePath& file_path); |
| 40 | 40 |
| 41 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is | 41 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is |
| 42 // assumed to be empty and any duplicate keys will be overwritten. If the | 42 // assumed to be empty and any duplicate keys will be overwritten. If the |
| 43 // database exists on disk then it will be opened. If it does not exist then | 43 // database exists on disk then it will be opened. If it does not exist then |
| 44 // it will not be created and |result| will be unmodified. | 44 // it will not be created and |result| will be unmodified. |
| 45 void ReadAreaValues(const std::string& namespace_id, | 45 void ReadAreaValues(const std::string& namespace_id, |
| 46 const GURL& origin, | 46 const GURL& origin, |
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| 196 bool db_error_; | 196 bool db_error_; |
| 197 // True if the database is in an inconsistent state. | 197 // True if the database is in an inconsistent state. |
| 198 bool is_inconsistent_; | 198 bool is_inconsistent_; |
| 199 | 199 |
| 200 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); | 200 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); |
| 201 }; | 201 }; |
| 202 | 202 |
| 203 } // namespace dom_storage | 203 } // namespace dom_storage |
| 204 | 204 |
| 205 #endif // WEBKIT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 205 #endif // WEBKIT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
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