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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_DOM_STORAGE_AREA_H_ | 5 #ifndef WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_ |
| 6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_ | 6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_ |
| 7 | 7 |
| 8 #include "base/file_path.h" | 8 #include "base/file_path.h" |
| 9 #include "base/gtest_prod_util.h" | 9 #include "base/gtest_prod_util.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/nullable_string16.h" | 12 #include "base/nullable_string16.h" |
| 13 #include "base/string16.h" | 13 #include "base/string16.h" |
| 14 #include "googleurl/src/gurl.h" | 14 #include "googleurl/src/gurl.h" |
| 15 #include "webkit/dom_storage/dom_storage_export.h" |
| 15 #include "webkit/dom_storage/dom_storage_types.h" | 16 #include "webkit/dom_storage/dom_storage_types.h" |
| 16 | 17 |
| 17 namespace dom_storage { | 18 namespace dom_storage { |
| 18 | 19 |
| 19 class DomStorageDatabaseAdapter; | 20 class DomStorageDatabaseAdapter; |
| 20 class DomStorageMap; | 21 class DomStorageMap; |
| 21 class DomStorageTaskRunner; | 22 class DomStorageTaskRunner; |
| 22 class SessionStorageDatabase; | 23 class SessionStorageDatabase; |
| 23 | 24 |
| 24 // Container for a per-origin Map of key/value pairs potentially | 25 // Container for a per-origin Map of key/value pairs potentially |
| 25 // backed by storage on disk and lazily commits changes to disk. | 26 // backed by storage on disk and lazily commits changes to disk. |
| 26 // See class comments for DomStorageContext for a larger overview. | 27 // See class comments for DomStorageContext for a larger overview. |
| 27 class DomStorageArea | 28 class DOM_STORAGE_EXPORT DomStorageArea |
| 28 : public base::RefCountedThreadSafe<DomStorageArea> { | 29 : public base::RefCountedThreadSafe<DomStorageArea> { |
| 29 | 30 |
| 30 public: | 31 public: |
| 31 static const FilePath::CharType kDatabaseFileExtension[]; | 32 static const FilePath::CharType kDatabaseFileExtension[]; |
| 32 static FilePath DatabaseFileNameFromOrigin(const GURL& origin); | 33 static FilePath DatabaseFileNameFromOrigin(const GURL& origin); |
| 33 static GURL OriginFromDatabaseFileName(const FilePath& file_name); | 34 static GURL OriginFromDatabaseFileName(const FilePath& file_name); |
| 34 | 35 |
| 35 // Local storage. Backed on disk if directory is nonempty. | 36 // Local storage. Backed on disk if directory is nonempty. |
| 36 DomStorageArea(const GURL& origin, | 37 DomStorageArea(const GURL& origin, |
| 37 const FilePath& directory, | 38 const FilePath& directory, |
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| 71 // Frees up memory when possible. Typically, this method returns | 72 // Frees up memory when possible. Typically, this method returns |
| 72 // the object to its just constructed state, however if uncommitted | 73 // the object to its just constructed state, however if uncommitted |
| 73 // changes are pending, it does nothing. | 74 // changes are pending, it does nothing. |
| 74 void PurgeMemory(); | 75 void PurgeMemory(); |
| 75 | 76 |
| 76 // Schedules the commit of any unsaved changes and enters a | 77 // Schedules the commit of any unsaved changes and enters a |
| 77 // shutdown state such that the value getters and setters will | 78 // shutdown state such that the value getters and setters will |
| 78 // no longer do anything. | 79 // no longer do anything. |
| 79 void Shutdown(); | 80 void Shutdown(); |
| 80 | 81 |
| 82 static void DisableCommitDelayForTesting(); |
| 83 |
| 81 private: | 84 private: |
| 82 friend class DomStorageAreaTest; | 85 friend class DomStorageAreaTest; |
| 83 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, DomStorageAreaBasics); | 86 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, DomStorageAreaBasics); |
| 84 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, BackingDatabaseOpened); | 87 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, BackingDatabaseOpened); |
| 85 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, TestDatabaseFilePath); | 88 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, TestDatabaseFilePath); |
| 86 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, CommitTasks); | 89 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, CommitTasks); |
| 87 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, CommitChangesAtShutdown); | 90 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, CommitChangesAtShutdown); |
| 88 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, DeleteOrigin); | 91 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, DeleteOrigin); |
| 89 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, PurgeMemory); | 92 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, PurgeMemory); |
| 90 FRIEND_TEST_ALL_PREFIXES(DomStorageContextTest, PersistentIds); | 93 FRIEND_TEST_ALL_PREFIXES(DomStorageContextTest, PersistentIds); |
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| 124 scoped_refptr<SessionStorageDatabase> session_storage_backing_; | 127 scoped_refptr<SessionStorageDatabase> session_storage_backing_; |
| 125 bool is_initial_import_done_; | 128 bool is_initial_import_done_; |
| 126 bool is_shutdown_; | 129 bool is_shutdown_; |
| 127 scoped_ptr<CommitBatch> commit_batch_; | 130 scoped_ptr<CommitBatch> commit_batch_; |
| 128 int commit_batches_in_flight_; | 131 int commit_batches_in_flight_; |
| 129 }; | 132 }; |
| 130 | 133 |
| 131 } // namespace dom_storage | 134 } // namespace dom_storage |
| 132 | 135 |
| 133 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_ | 136 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_ |
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