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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 5 #ifndef CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
| 6 #define CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 6 #define CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <map> | 10 #include <map> |
| 9 #include <string> | 11 #include <string> |
| 10 | 12 |
| 11 #include "base/files/file_path.h" | 13 #include "base/files/file_path.h" |
| 14 #include "base/macros.h" |
| 12 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 13 #include "base/memory/scoped_ptr.h" | 16 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/synchronization/lock.h" | 17 #include "base/synchronization/lock.h" |
| 15 #include "content/common/content_export.h" | 18 #include "content/common/content_export.h" |
| 16 #include "content/common/dom_storage/dom_storage_types.h" | 19 #include "content/common/dom_storage/dom_storage_types.h" |
| 17 #include "third_party/leveldatabase/src/include/leveldb/status.h" | 20 #include "third_party/leveldatabase/src/include/leveldb/status.h" |
| 18 | 21 |
| 19 class GURL; | 22 class GURL; |
| 20 | 23 |
| 21 namespace leveldb { | 24 namespace leveldb { |
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| 151 // be empty. | 154 // be empty. |
| 152 bool ReadMap(const std::string& map_id, | 155 bool ReadMap(const std::string& map_id, |
| 153 const leveldb::ReadOptions& options, | 156 const leveldb::ReadOptions& options, |
| 154 DOMStorageValuesMap* result, | 157 DOMStorageValuesMap* result, |
| 155 bool only_keys); | 158 bool only_keys); |
| 156 // Writes |values| into the map |map_id|. | 159 // Writes |values| into the map |map_id|. |
| 157 void WriteValuesToMap(const std::string& map_id, | 160 void WriteValuesToMap(const std::string& map_id, |
| 158 const DOMStorageValuesMap& values, | 161 const DOMStorageValuesMap& values, |
| 159 leveldb::WriteBatch* batch); | 162 leveldb::WriteBatch* batch); |
| 160 | 163 |
| 161 bool GetMapRefCount(const std::string& map_id, int64* ref_count); | 164 bool GetMapRefCount(const std::string& map_id, int64_t* ref_count); |
| 162 bool IncreaseMapRefCount(const std::string& map_id, | 165 bool IncreaseMapRefCount(const std::string& map_id, |
| 163 leveldb::WriteBatch* batch); | 166 leveldb::WriteBatch* batch); |
| 164 // Decreases the ref count of a map by |decrease|. If the ref count goes to 0, | 167 // Decreases the ref count of a map by |decrease|. If the ref count goes to 0, |
| 165 // deletes the map. | 168 // deletes the map. |
| 166 bool DecreaseMapRefCount(const std::string& map_id, | 169 bool DecreaseMapRefCount(const std::string& map_id, |
| 167 int decrease, | 170 int decrease, |
| 168 leveldb::WriteBatch* batch); | 171 leveldb::WriteBatch* batch); |
| 169 | 172 |
| 170 // Deletes all values in |map_id|. | 173 // Deletes all values in |map_id|. |
| 171 bool ClearMap(const std::string& map_id, leveldb::WriteBatch* batch); | 174 bool ClearMap(const std::string& map_id, leveldb::WriteBatch* batch); |
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| 205 // The number of database operations in progress. We need this so that we can | 208 // The number of database operations in progress. We need this so that we can |
| 206 // delete an inconsistent database at the right moment. | 209 // delete an inconsistent database at the right moment. |
| 207 int operation_count_; | 210 int operation_count_; |
| 208 | 211 |
| 209 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); | 212 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); |
| 210 }; | 213 }; |
| 211 | 214 |
| 212 } // namespace content | 215 } // namespace content |
| 213 | 216 |
| 214 #endif // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ | 217 #endif // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ |
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