indexed_db_factory.h revision 7dbb3d5cf0c15f500944d211057644d6a2f37371 
1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
6#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
7
8#include <map>
9#include <set>
10
11#include "base/basictypes.h"
12#include "base/files/file_path.h"
13#include "base/memory/ref_counted.h"
14#include "base/memory/weak_ptr.h"
15#include "base/strings/string16.h"
16#include "content/browser/indexed_db/indexed_db_callbacks.h"
17#include "content/browser/indexed_db/indexed_db_database_callbacks.h"
18#include "content/browser/indexed_db/indexed_db_factory.h"
19#include "content/common/content_export.h"
20
21namespace content {
22
23class IndexedDBBackingStore;
24class IndexedDBDatabase;
25
26class CONTENT_EXPORT IndexedDBFactory
27    : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBFactory>) {
28 public:
29  IndexedDBFactory();
30
31  // Notifications from weak pointers.
32  void RemoveIDBDatabaseBackend(const string16& unique_identifier);
33
34  void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks,
35                        const std::string& origin_identifier,
36                        const base::FilePath& data_directory);
37  void Open(const string16& name,
38            int64 version,
39            int64 transaction_id,
40            scoped_refptr<IndexedDBCallbacks> callbacks,
41            scoped_refptr<IndexedDBDatabaseCallbacks> database_callbacks,
42            const std::string& origin_identifier,
43            const base::FilePath& data_directory);
44
45  void DeleteDatabase(const string16& name,
46                      scoped_refptr<IndexedDBCallbacks> callbacks,
47                      const std::string& origin_identifier,
48                      const base::FilePath& data_directory);
49
50 protected:
51  friend class base::RefCounted<IndexedDBFactory>;
52
53  virtual ~IndexedDBFactory();
54
55  scoped_refptr<IndexedDBBackingStore> OpenBackingStore(
56      const std::string& origin_identifier,
57      const base::FilePath& data_directory,
58      WebKit::WebIDBCallbacks::DataLoss* data_loss);
59
60 private:
61  typedef std::map<string16, scoped_refptr<IndexedDBDatabase> >
62      IndexedDBDatabaseMap;
63  IndexedDBDatabaseMap database_backend_map_;
64
65  typedef std::map<std::string, base::WeakPtr<IndexedDBBackingStore> >
66      IndexedDBBackingStoreMap;
67  IndexedDBBackingStoreMap backing_store_map_;
68
69  std::set<scoped_refptr<IndexedDBBackingStore> > session_only_backing_stores_;
70};
71
72}  // namespace content
73
74#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
75