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Side by Side Diff: content/browser/dom_storage/dom_storage_database.h

Issue 22297005: Move webkit/{browser,common}/dom_storage into content/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 4 months ago
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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_DOM_STORAGE_DATABASE_H_ 5 #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_H_
6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_H_ 6 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_H_
7 7
8 #include <map> 8 #include <map>
9 9
10 #include "base/files/file_path.h" 10 #include "base/files/file_path.h"
11 #include "base/gtest_prod_util.h" 11 #include "base/gtest_prod_util.h"
12 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
13 #include "base/strings/nullable_string16.h" 13 #include "base/strings/nullable_string16.h"
14 #include "base/strings/string16.h" 14 #include "base/strings/string16.h"
15 #include "content/common/content_export.h"
16 #include "content/common/dom_storage/dom_storage_types.h"
15 #include "sql/connection.h" 17 #include "sql/connection.h"
16 #include "webkit/browser/webkit_storage_browser_export.h"
17 #include "webkit/common/dom_storage/dom_storage_types.h"
18 18
19 namespace dom_storage { 19 namespace content {
20 20
21 // Represents a SQLite based backing for DOM storage data. This 21 // Represents a SQLite based backing for DOM storage data. This
22 // class is designed to be used on a single thread. 22 // class is designed to be used on a single thread.
23 class WEBKIT_STORAGE_BROWSER_EXPORT DomStorageDatabase { 23 class CONTENT_EXPORT DOMStorageDatabase {
24 public: 24 public:
25 static base::FilePath GetJournalFilePath(const base::FilePath& database_path); 25 static base::FilePath GetJournalFilePath(const base::FilePath& database_path);
26 26
27 explicit DomStorageDatabase(const base::FilePath& file_path); 27 explicit DOMStorageDatabase(const base::FilePath& file_path);
28 virtual ~DomStorageDatabase(); // virtual for unit testing 28 virtual ~DOMStorageDatabase(); // virtual for unit testing
29 29
30 // Reads all the key, value pairs stored in the database and returns 30 // Reads all the key, value pairs stored in the database and returns
31 // them. |result| is assumed to be empty and any duplicate keys will 31 // them. |result| is assumed to be empty and any duplicate keys will
32 // be overwritten. If the database exists on disk then it will be 32 // be overwritten. If the database exists on disk then it will be
33 // opened. If it does not exist then it will not be created and 33 // opened. If it does not exist then it will not be created and
34 // |result| will be unmodified. 34 // |result| will be unmodified.
35 void ReadAllValues(ValuesMap* result); 35 void ReadAllValues(DOMStorageValuesMap* result);
36 36
37 // Updates the backing database. Will remove all keys before updating 37 // Updates the backing database. Will remove all keys before updating
38 // the database if |clear_all_first| is set. Then all entries in 38 // the database if |clear_all_first| is set. Then all entries in
39 // |changes| will be examined - keys mapped to a null NullableString16 39 // |changes| will be examined - keys mapped to a null NullableString16
40 // will be removed and all others will be inserted/updated as appropriate. 40 // will be removed and all others will be inserted/updated as appropriate.
41 bool CommitChanges(bool clear_all_first, const ValuesMap& changes); 41 bool CommitChanges(bool clear_all_first, const DOMStorageValuesMap& changes);
42 42
43 // Simple getter for the path we were constructed with. 43 // Simple getter for the path we were constructed with.
44 const base::FilePath& file_path() const { return file_path_; } 44 const base::FilePath& file_path() const { return file_path_; }
45 45
46 protected: 46 protected:
47 // Constructor that uses an in-memory sqlite database, for testing. 47 // Constructor that uses an in-memory sqlite database, for testing.
48 DomStorageDatabase(); 48 DOMStorageDatabase();
49 49
50 private: 50 private:
51 friend class LocalStorageDatabaseAdapter; 51 friend class LocalStorageDatabaseAdapter;
52 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, SimpleOpenAndClose); 52 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, SimpleOpenAndClose);
53 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, TestLazyOpenIsLazy); 53 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, TestLazyOpenIsLazy);
54 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, TestDetectSchemaVersion); 54 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, TestDetectSchemaVersion);
55 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, 55 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest,
56 TestLazyOpenUpgradesDatabase); 56 TestLazyOpenUpgradesDatabase);
57 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, SimpleWriteAndReadBack); 57 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, SimpleWriteAndReadBack);
58 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, WriteWithClear); 58 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, WriteWithClear);
59 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, 59 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest,
60 UpgradeFromV1ToV2WithData); 60 UpgradeFromV1ToV2WithData);
61 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, TestSimpleRemoveOneValue); 61 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest, TestSimpleRemoveOneValue);
62 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, 62 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest,
63 TestCanOpenAndReadWebCoreDatabase); 63 TestCanOpenAndReadWebCoreDatabase);
64 FRIEND_TEST_ALL_PREFIXES(DomStorageDatabaseTest, 64 FRIEND_TEST_ALL_PREFIXES(DOMStorageDatabaseTest,
65 TestCanOpenFileThatIsNotADatabase); 65 TestCanOpenFileThatIsNotADatabase);
66 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, BackingDatabaseOpened); 66 FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, BackingDatabaseOpened);
67 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, CommitTasks); 67 FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, CommitTasks);
68 FRIEND_TEST_ALL_PREFIXES(DomStorageAreaTest, PurgeMemory); 68 FRIEND_TEST_ALL_PREFIXES(DOMStorageAreaTest, PurgeMemory);
69 69
70 enum SchemaVersion { 70 enum SchemaVersion {
71 INVALID, 71 INVALID,
72 V1, 72 V1,
73 V2 73 V2
74 }; 74 };
75 75
76 // Open the database at file_path_ if it exists already and creates it if 76 // Open the database at file_path_ if it exists already and creates it if
77 // |create_if_needed| is true. 77 // |create_if_needed| is true.
78 // Ensures we are at the correct database version and creates or updates 78 // Ensures we are at the correct database version and creates or updates
(...skipping 28 matching lines...) Expand all
107 void Init(); 107 void Init();
108 108
109 // Path to the database on disk. 109 // Path to the database on disk.
110 const base::FilePath file_path_; 110 const base::FilePath file_path_;
111 scoped_ptr<sql::Connection> db_; 111 scoped_ptr<sql::Connection> db_;
112 bool failed_to_open_; 112 bool failed_to_open_;
113 bool tried_to_recreate_; 113 bool tried_to_recreate_;
114 bool known_to_be_empty_; 114 bool known_to_be_empty_;
115 }; 115 };
116 116
117 } // namespace dom_storage 117 } // namespace content
118 118
119 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_H_ 119 #endif // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_H_
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