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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_HOST_H_ | 5 #ifndef WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_HOST_H_ |
6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_HOST_H_ | 6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_HOST_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/nullable_string16.h" | 11 #include "base/strings/nullable_string16.h" |
12 #include "base/strings/string16.h" | 12 #include "base/strings/string16.h" |
13 #include "webkit/common/dom_storage/dom_storage_types.h" | 13 #include "webkit/common/dom_storage/dom_storage_types.h" |
14 #include "webkit/storage/webkit_storage_export.h" | 14 #include "webkit/storage/webkit_storage_export.h" |
15 | 15 |
16 class GURL; | 16 class GURL; |
17 | 17 |
18 namespace dom_storage { | 18 namespace dom_storage { |
19 | 19 |
20 class DomStorageContext; | 20 class DomStorageContext; |
21 class DomStorageHost; | 21 class DomStorageHost; |
22 class DomStorageNamespace; | 22 class DomStorageNamespace; |
23 class DomStorageArea; | 23 class DomStorageArea; |
24 | 24 |
25 // One instance is allocated in the main process for each client process. | 25 // One instance is allocated in the main process for each client process. |
26 // Used by DomStorageMessageFilter in Chrome and by SimpleDomStorage in DRT. | 26 // Used by DomStorageMessageFilter in Chrome and by SimpleDomStorage in DRT. |
27 // This class is single threaded, and performs blocking file reads/writes, | 27 // This class is single threaded, and performs blocking file reads/writes, |
28 // so it shouldn't be used on chrome's IO thread. | 28 // so it shouldn't be used on chrome's IO thread. |
29 // See class comments for DomStorageContext for a larger overview. | 29 // See class comments for DomStorageContext for a larger overview. |
30 class WEBKIT_STORAGE_EXPORT DomStorageHost { | 30 class WEBKIT_STORAGE_EXPORT DomStorageHost { |
31 public: | 31 public: |
32 explicit DomStorageHost(DomStorageContext* context); | 32 explicit DomStorageHost(DomStorageContext* context); |
33 ~DomStorageHost(); | 33 ~DomStorageHost(); |
34 | 34 |
35 bool OpenStorageArea(int connection_id, int namespace_id, | 35 bool OpenStorageArea(int connection_id, int namespace_id, |
36 const GURL& origin); | 36 const GURL& origin); |
37 void CloseStorageArea(int connection_id); | 37 void CloseStorageArea(int connection_id); |
38 bool ExtractAreaValues(int connection_id, ValuesMap* map); | 38 bool ExtractAreaValues(int connection_id, ValuesMap* map); |
39 unsigned GetAreaLength(int connection_id); | 39 unsigned GetAreaLength(int connection_id); |
40 NullableString16 GetAreaKey(int connection_id, unsigned index); | 40 base::NullableString16 GetAreaKey(int connection_id, unsigned index); |
41 NullableString16 GetAreaItem(int connection_id, const base::string16& key); | 41 base::NullableString16 GetAreaItem(int connection_id, |
| 42 const base::string16& key); |
42 bool SetAreaItem(int connection_id, const base::string16& key, | 43 bool SetAreaItem(int connection_id, const base::string16& key, |
43 const base::string16& value, const GURL& page_url, | 44 const base::string16& value, const GURL& page_url, |
44 NullableString16* old_value); | 45 base::NullableString16* old_value); |
45 bool RemoveAreaItem(int connection_id, const base::string16& key, | 46 bool RemoveAreaItem(int connection_id, const base::string16& key, |
46 const GURL& page_url, | 47 const GURL& page_url, |
47 base::string16* old_value); | 48 base::string16* old_value); |
48 bool ClearArea(int connection_id, const GURL& page_url); | 49 bool ClearArea(int connection_id, const GURL& page_url); |
49 bool HasAreaOpen(int namespace_id, const GURL& origin) const; | 50 bool HasAreaOpen(int namespace_id, const GURL& origin) const; |
50 | 51 |
51 private: | 52 private: |
52 // Struct to hold references needed for areas that are open | 53 // Struct to hold references needed for areas that are open |
53 // within our associated client process. | 54 // within our associated client process. |
54 struct NamespaceAndArea { | 55 struct NamespaceAndArea { |
55 scoped_refptr<DomStorageNamespace> namespace_; | 56 scoped_refptr<DomStorageNamespace> namespace_; |
56 scoped_refptr<DomStorageArea> area_; | 57 scoped_refptr<DomStorageArea> area_; |
57 NamespaceAndArea(); | 58 NamespaceAndArea(); |
58 ~NamespaceAndArea(); | 59 ~NamespaceAndArea(); |
59 }; | 60 }; |
60 typedef std::map<int, NamespaceAndArea > AreaMap; | 61 typedef std::map<int, NamespaceAndArea > AreaMap; |
61 | 62 |
62 DomStorageArea* GetOpenArea(int connection_id); | 63 DomStorageArea* GetOpenArea(int connection_id); |
63 DomStorageNamespace* GetNamespace(int connection_id); | 64 DomStorageNamespace* GetNamespace(int connection_id); |
64 | 65 |
65 scoped_refptr<DomStorageContext> context_; | 66 scoped_refptr<DomStorageContext> context_; |
66 AreaMap connections_; | 67 AreaMap connections_; |
67 }; | 68 }; |
68 | 69 |
69 } // namespace dom_storage | 70 } // namespace dom_storage |
70 | 71 |
71 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_HOST_H_ | 72 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_HOST_H_ |
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