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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ | 5 #ifndef CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ |
6 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ | 6 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/hash_tables.h" | 9 #include "base/hash_tables.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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24 // Only to be used on the WebKit thread. | 24 // Only to be used on the WebKit thread. |
25 class DOMStorageNamespace { | 25 class DOMStorageNamespace { |
26 public: | 26 public: |
27 static DOMStorageNamespace* CreateLocalStorageNamespace( | 27 static DOMStorageNamespace* CreateLocalStorageNamespace( |
28 DOMStorageContext* dom_storage_context, const FilePath& data_dir_path); | 28 DOMStorageContext* dom_storage_context, const FilePath& data_dir_path); |
29 static DOMStorageNamespace* CreateSessionStorageNamespace( | 29 static DOMStorageNamespace* CreateSessionStorageNamespace( |
30 DOMStorageContext* dom_storage_context, int64 namespace_id); | 30 DOMStorageContext* dom_storage_context, int64 namespace_id); |
31 | 31 |
32 ~DOMStorageNamespace(); | 32 ~DOMStorageNamespace(); |
33 | 33 |
34 DOMStorageArea* GetStorageArea(const string16& origin); | 34 DOMStorageArea* GetStorageArea(const string16& origin, |
| 35 bool allow_permanent_storage); |
35 DOMStorageNamespace* Copy(int64 clone_namespace_id); | 36 DOMStorageNamespace* Copy(int64 clone_namespace_id); |
36 | 37 |
37 void PurgeMemory(); | 38 void PurgeMemory(); |
38 | 39 |
39 const DOMStorageContext* dom_storage_context() const { | 40 const DOMStorageContext* dom_storage_context() const { |
40 return dom_storage_context_; | 41 return dom_storage_context_; |
41 } | 42 } |
42 int64 id() const { return id_; } | 43 int64 id() const { return id_; } |
43 const WebKit::WebString& data_dir_path() const { return data_dir_path_; } | 44 const WebKit::WebString& data_dir_path() const { return data_dir_path_; } |
44 DOMStorageType dom_storage_type() const { return dom_storage_type_; } | 45 DOMStorageType dom_storage_type() const { return dom_storage_type_; } |
45 | 46 |
46 // Creates a WebStorageArea for the given origin. This should only be called | 47 // Creates a WebStorageArea for the given origin. This should only be called |
47 // by an owned DOMStorageArea. | 48 // by an owned DOMStorageArea. |
48 WebKit::WebStorageArea* CreateWebStorageArea(const string16& origin); | 49 WebKit::WebStorageArea* CreateWebStorageArea(const string16& origin); |
49 | 50 |
50 private: | 51 private: |
51 // Called by the static factory methods above. | 52 // Called by the static factory methods above. |
52 DOMStorageNamespace(DOMStorageContext* dom_storage_context, | 53 DOMStorageNamespace(DOMStorageContext* dom_storage_context, |
53 int64 id, | 54 int64 id, |
54 const WebKit::WebString& data_dir_path, | 55 const WebKit::WebString& data_dir_path, |
55 DOMStorageType storage_type); | 56 DOMStorageType storage_type); |
56 | 57 |
57 // Creates the underlying WebStorageNamespace on demand. | 58 // Creates the underlying WebStorageNamespace on demand. |
58 void CreateWebStorageNamespaceIfNecessary(); | 59 void CreateWebStorageNamespaceIfNecessary(); |
59 | 60 |
| 61 // Helpers for creating DOMStorageAreas. |
| 62 DOMStorageArea* GetExistingStorageArea(const string16& origin); |
| 63 DOMStorageArea* CreateStorageArea(const string16& origin); |
| 64 |
60 // All the storage areas we own. | 65 // All the storage areas we own. |
61 typedef base::hash_map<string16, DOMStorageArea*> OriginToStorageAreaMap; | 66 typedef base::hash_map<string16, DOMStorageArea*> OriginToStorageAreaMap; |
62 OriginToStorageAreaMap origin_to_storage_area_; | 67 OriginToStorageAreaMap origin_to_storage_area_; |
63 | 68 |
64 // The DOMStorageContext that owns us. | 69 // The DOMStorageContext that owns us. |
65 DOMStorageContext* dom_storage_context_; | 70 DOMStorageContext* dom_storage_context_; |
66 | 71 |
67 // The WebKit storage namespace we manage. | 72 // The WebKit storage namespace we manage. |
68 scoped_ptr<WebKit::WebStorageNamespace> storage_namespace_; | 73 scoped_ptr<WebKit::WebStorageNamespace> storage_namespace_; |
69 | 74 |
70 // Our id. Unique to our parent WebKitContext class. | 75 // Our id. Unique to our parent WebKitContext class. |
71 int64 id_; | 76 int64 id_; |
72 | 77 |
73 // The path used to create us, so we can recreate our WebStorageNamespace on | 78 // The path used to create us, so we can recreate our WebStorageNamespace on |
74 // demand. | 79 // demand. |
75 WebKit::WebString data_dir_path_; | 80 WebKit::WebString data_dir_path_; |
76 | 81 |
77 // SessionStorage vs. LocalStorage. | 82 // SessionStorage vs. LocalStorage. |
78 const DOMStorageType dom_storage_type_; | 83 const DOMStorageType dom_storage_type_; |
79 | 84 |
| 85 // A LocalStorage namespace holds a pointer to a session-only LocalStorage |
| 86 // namespace. NULL if this DOMStorageNamespace is a SessionStorage, or a |
| 87 // session-only LocalStorage, or a LocalStorage associated with an off the |
| 88 // record profile. |
| 89 scoped_ptr<DOMStorageNamespace> session_only_local_storage_; |
| 90 |
80 DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageNamespace); | 91 DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageNamespace); |
81 }; | 92 }; |
82 | 93 |
83 #endif // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ | 94 #endif // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_NAMESPACE_H_ |
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