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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_CONTEXT_H_ | 5 #ifndef WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ | 6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 | 10 |
11 #include "base/atomic_sequence_num.h" | 11 #include "base/atomic_sequence_num.h" |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/file_path.h" | 13 #include "base/file_path.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/observer_list.h" | 15 #include "base/observer_list.h" |
16 | 16 |
17 class FilePath; | 17 class FilePath; |
18 class GURL; | 18 class GURL; |
19 class NullableString16; | 19 class NullableString16; |
| 20 class SimpleDomStorageSystem; |
20 | 21 |
21 namespace base { | 22 namespace base { |
22 class Time; | 23 class Time; |
23 } | 24 } |
24 | 25 |
25 namespace quota { | 26 namespace quota { |
26 class SpecialStoragePolicy; | 27 class SpecialStoragePolicy; |
27 } | 28 } |
28 | 29 |
29 namespace dom_storage { | 30 namespace dom_storage { |
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95 const DomStorageArea* area, | 96 const DomStorageArea* area, |
96 const string16& key, | 97 const string16& key, |
97 const string16& old_value, | 98 const string16& old_value, |
98 const GURL& page_url); | 99 const GURL& page_url); |
99 void NotifyAreaCleared( | 100 void NotifyAreaCleared( |
100 const DomStorageArea* area, | 101 const DomStorageArea* area, |
101 const GURL& page_url); | 102 const GURL& page_url); |
102 | 103 |
103 private: | 104 private: |
104 friend class DomStorageSession; | 105 friend class DomStorageSession; |
| 106 friend class SimpleDomStorageSystem; |
105 friend class base::RefCountedThreadSafe<DomStorageContext>; | 107 friend class base::RefCountedThreadSafe<DomStorageContext>; |
106 typedef std::map<int64, scoped_refptr<DomStorageNamespace> > | 108 typedef std::map<int64, scoped_refptr<DomStorageNamespace> > |
107 StorageNamespaceMap; | 109 StorageNamespaceMap; |
108 | 110 |
109 ~DomStorageContext(); | 111 ~DomStorageContext(); |
110 | 112 |
111 // May be called on any thread. | 113 // May be called on any thread. |
112 int64 AllocateSessionId() { | 114 int64 AllocateSessionId() { |
113 return session_id_sequence_.GetNext(); | 115 return session_id_sequence_.GetNext(); |
114 } | 116 } |
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131 ObserverList<EventObserver> event_observers_; | 133 ObserverList<EventObserver> event_observers_; |
132 | 134 |
133 // We use a 32 bit identifier for per tab storage sessions. | 135 // We use a 32 bit identifier for per tab storage sessions. |
134 // At a tab per second, this range is large enough for 68 years. | 136 // At a tab per second, this range is large enough for 68 years. |
135 base::AtomicSequenceNumber session_id_sequence_; | 137 base::AtomicSequenceNumber session_id_sequence_; |
136 }; | 138 }; |
137 | 139 |
138 } // namespace dom_storage | 140 } // namespace dom_storage |
139 | 141 |
140 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ | 142 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
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