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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_CONTEXT_H_ | 5 #ifndef WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ | 6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/atomic_sequence_num.h" | 12 #include "base/atomic_sequence_num.h" |
13 #include "base/basictypes.h" | 13 #include "base/basictypes.h" |
14 #include "base/files/file_path.h" | 14 #include "base/files/file_path.h" |
15 #include "base/gtest_prod_util.h" | 15 #include "base/gtest_prod_util.h" |
16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
17 #include "base/observer_list.h" | 17 #include "base/observer_list.h" |
18 #include "base/time.h" | 18 #include "base/time.h" |
19 #include "googleurl/src/gurl.h" | 19 #include "googleurl/src/gurl.h" |
20 #include "webkit/storage/webkit_storage_export.h" | 20 #include "webkit/storage/webkit_storage_export.h" |
21 | 21 |
22 class NullableString16; | |
23 | |
24 namespace base { | 22 namespace base { |
25 class FilePath; | 23 class FilePath; |
| 24 class NullableString16; |
26 class Time; | 25 class Time; |
27 } | 26 } |
28 | 27 |
29 namespace quota { | 28 namespace quota { |
30 class SpecialStoragePolicy; | 29 class SpecialStoragePolicy; |
31 } | 30 } |
32 | 31 |
33 namespace dom_storage { | 32 namespace dom_storage { |
34 | 33 |
35 class DomStorageArea; | 34 class DomStorageArea; |
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63 : public base::RefCountedThreadSafe<DomStorageContext> { | 62 : public base::RefCountedThreadSafe<DomStorageContext> { |
64 public: | 63 public: |
65 // An interface for observing Local and Session Storage events on the | 64 // An interface for observing Local and Session Storage events on the |
66 // background thread. | 65 // background thread. |
67 class EventObserver { | 66 class EventObserver { |
68 public: | 67 public: |
69 virtual void OnDomStorageItemSet( | 68 virtual void OnDomStorageItemSet( |
70 const DomStorageArea* area, | 69 const DomStorageArea* area, |
71 const base::string16& key, | 70 const base::string16& key, |
72 const base::string16& new_value, | 71 const base::string16& new_value, |
73 const NullableString16& old_value, // may be null on initial insert | 72 const base::NullableString16& old_value, // may be null on initial inse
rt |
74 const GURL& page_url) = 0; | 73 const GURL& page_url) = 0; |
75 virtual void OnDomStorageItemRemoved( | 74 virtual void OnDomStorageItemRemoved( |
76 const DomStorageArea* area, | 75 const DomStorageArea* area, |
77 const base::string16& key, | 76 const base::string16& key, |
78 const base::string16& old_value, | 77 const base::string16& old_value, |
79 const GURL& page_url) = 0; | 78 const GURL& page_url) = 0; |
80 virtual void OnDomStorageAreaCleared( | 79 virtual void OnDomStorageAreaCleared( |
81 const DomStorageArea* area, | 80 const DomStorageArea* area, |
82 const GURL& page_url) = 0; | 81 const GURL& page_url) = 0; |
83 | 82 |
84 protected: | 83 protected: |
85 virtual ~EventObserver() {} | 84 virtual ~EventObserver() {} |
86 }; | 85 }; |
87 | 86 |
88 DomStorageContext( | 87 DomStorageContext( |
89 const base::FilePath& localstorage_directory, // empty for incognito prof
iles | 88 const base::FilePath& localstorage_directory, // empty for incognito prof
iles |
90 const base::FilePath& sessionstorage_directory, // empty for incognito pr
ofiles | 89 const base::FilePath& sessionstorage_directory, // empty for incognito pr
ofiles |
91 quota::SpecialStoragePolicy* special_storage_policy, | 90 quota::SpecialStoragePolicy* special_storage_policy, |
92 DomStorageTaskRunner* task_runner); | 91 DomStorageTaskRunner* task_runner); |
93 | 92 |
94 // Returns the directory path for localStorage, or an empty directory, if | 93 // Returns the directory path for localStorage, or an empty directory, if |
95 // there is no backing on disk. | 94 // there is no backing on disk. |
96 const base::FilePath& localstorage_directory() { return localstorage_directory
_; } | 95 const base::FilePath& localstorage_directory() { |
| 96 return localstorage_directory_; |
| 97 } |
97 | 98 |
98 // Returns the directory path for sessionStorage, or an empty directory, if | 99 // Returns the directory path for sessionStorage, or an empty directory, if |
99 // there is no backing on disk. | 100 // there is no backing on disk. |
100 const base::FilePath& sessionstorage_directory() { | 101 const base::FilePath& sessionstorage_directory() { |
101 return sessionstorage_directory_; | 102 return sessionstorage_directory_; |
102 } | 103 } |
103 | 104 |
104 DomStorageTaskRunner* task_runner() const { return task_runner_.get(); } | 105 DomStorageTaskRunner* task_runner() const { return task_runner_.get(); } |
105 DomStorageNamespace* GetStorageNamespace(int64 namespace_id); | 106 DomStorageNamespace* GetStorageNamespace(int64 namespace_id); |
106 | 107 |
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126 // this method has been called. | 127 // this method has been called. |
127 void Shutdown(); | 128 void Shutdown(); |
128 | 129 |
129 // Methods to add, remove, and notify EventObservers. | 130 // Methods to add, remove, and notify EventObservers. |
130 void AddEventObserver(EventObserver* observer); | 131 void AddEventObserver(EventObserver* observer); |
131 void RemoveEventObserver(EventObserver* observer); | 132 void RemoveEventObserver(EventObserver* observer); |
132 void NotifyItemSet( | 133 void NotifyItemSet( |
133 const DomStorageArea* area, | 134 const DomStorageArea* area, |
134 const base::string16& key, | 135 const base::string16& key, |
135 const base::string16& new_value, | 136 const base::string16& new_value, |
136 const NullableString16& old_value, | 137 const base::NullableString16& old_value, |
137 const GURL& page_url); | 138 const GURL& page_url); |
138 void NotifyItemRemoved( | 139 void NotifyItemRemoved( |
139 const DomStorageArea* area, | 140 const DomStorageArea* area, |
140 const base::string16& key, | 141 const base::string16& key, |
141 const base::string16& old_value, | 142 const base::string16& old_value, |
142 const GURL& page_url); | 143 const GURL& page_url); |
143 void NotifyAreaCleared( | 144 void NotifyAreaCleared( |
144 const DomStorageArea* area, | 145 const DomStorageArea* area, |
145 const GURL& page_url); | 146 const GURL& page_url); |
146 | 147 |
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221 std::set<std::string> protected_persistent_session_ids_; | 222 std::set<std::string> protected_persistent_session_ids_; |
222 | 223 |
223 // Mapping between persistent namespace IDs and namespace IDs for | 224 // Mapping between persistent namespace IDs and namespace IDs for |
224 // sessionStorage. | 225 // sessionStorage. |
225 std::map<std::string, int64> persistent_namespace_id_to_namespace_id_; | 226 std::map<std::string, int64> persistent_namespace_id_to_namespace_id_; |
226 }; | 227 }; |
227 | 228 |
228 } // namespace dom_storage | 229 } // namespace dom_storage |
229 | 230 |
230 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ | 231 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
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