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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 | 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/file_path.h" | 14 #include "base/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 FilePath; | |
23 class NullableString16; | 22 class NullableString16; |
24 | 23 |
25 namespace base { | 24 namespace base { |
| 25 class FilePath; |
26 class Time; | 26 class Time; |
27 } | 27 } |
28 | 28 |
29 namespace quota { | 29 namespace quota { |
30 class SpecialStoragePolicy; | 30 class SpecialStoragePolicy; |
31 } | 31 } |
32 | 32 |
33 namespace dom_storage { | 33 namespace dom_storage { |
34 | 34 |
35 class DomStorageArea; | 35 class DomStorageArea; |
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79 const GURL& page_url) = 0; | 79 const GURL& page_url) = 0; |
80 virtual void OnDomStorageAreaCleared( | 80 virtual void OnDomStorageAreaCleared( |
81 const DomStorageArea* area, | 81 const DomStorageArea* area, |
82 const GURL& page_url) = 0; | 82 const GURL& page_url) = 0; |
83 | 83 |
84 protected: | 84 protected: |
85 virtual ~EventObserver() {} | 85 virtual ~EventObserver() {} |
86 }; | 86 }; |
87 | 87 |
88 DomStorageContext( | 88 DomStorageContext( |
89 const FilePath& localstorage_directory, // empty for incognito profiles | 89 const base::FilePath& localstorage_directory, // empty for incognito prof
iles |
90 const FilePath& sessionstorage_directory, // empty for incognito profiles | 90 const base::FilePath& sessionstorage_directory, // empty for incognito pr
ofiles |
91 quota::SpecialStoragePolicy* special_storage_policy, | 91 quota::SpecialStoragePolicy* special_storage_policy, |
92 DomStorageTaskRunner* task_runner); | 92 DomStorageTaskRunner* task_runner); |
93 | 93 |
94 // Returns the directory path for localStorage, or an empty directory, if | 94 // Returns the directory path for localStorage, or an empty directory, if |
95 // there is no backing on disk. | 95 // there is no backing on disk. |
96 const FilePath& localstorage_directory() { return localstorage_directory_; } | 96 const base::FilePath& localstorage_directory() { return localstorage_directory
_; } |
97 | 97 |
98 // Returns the directory path for sessionStorage, or an empty directory, if | 98 // Returns the directory path for sessionStorage, or an empty directory, if |
99 // there is no backing on disk. | 99 // there is no backing on disk. |
100 const FilePath& sessionstorage_directory() { | 100 const base::FilePath& sessionstorage_directory() { |
101 return sessionstorage_directory_; | 101 return sessionstorage_directory_; |
102 } | 102 } |
103 | 103 |
104 DomStorageTaskRunner* task_runner() const { return task_runner_; } | 104 DomStorageTaskRunner* task_runner() const { return task_runner_; } |
105 DomStorageNamespace* GetStorageNamespace(int64 namespace_id); | 105 DomStorageNamespace* GetStorageNamespace(int64 namespace_id); |
106 | 106 |
107 void GetLocalStorageUsage(std::vector<LocalStorageUsageInfo>* infos, | 107 void GetLocalStorageUsage(std::vector<LocalStorageUsageInfo>* infos, |
108 bool include_file_info); | 108 bool include_file_info); |
109 void GetSessionStorageUsage(std::vector<SessionStorageUsageInfo>* infos); | 109 void GetSessionStorageUsage(std::vector<SessionStorageUsageInfo>* infos); |
110 void DeleteLocalStorage(const GURL& origin); | 110 void DeleteLocalStorage(const GURL& origin); |
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183 void FindUnusedNamespacesInCommitSequence( | 183 void FindUnusedNamespacesInCommitSequence( |
184 const std::set<std::string>& namespace_ids_in_use, | 184 const std::set<std::string>& namespace_ids_in_use, |
185 const std::set<std::string>& protected_persistent_session_ids); | 185 const std::set<std::string>& protected_persistent_session_ids); |
186 void DeleteNextUnusedNamespace(); | 186 void DeleteNextUnusedNamespace(); |
187 void DeleteNextUnusedNamespaceInCommitSequence(); | 187 void DeleteNextUnusedNamespaceInCommitSequence(); |
188 | 188 |
189 // Collection of namespaces keyed by id. | 189 // Collection of namespaces keyed by id. |
190 StorageNamespaceMap namespaces_; | 190 StorageNamespaceMap namespaces_; |
191 | 191 |
192 // Where localstorage data is stored, maybe empty for the incognito use case. | 192 // Where localstorage data is stored, maybe empty for the incognito use case. |
193 FilePath localstorage_directory_; | 193 base::FilePath localstorage_directory_; |
194 | 194 |
195 // Where sessionstorage data is stored, maybe empty for the incognito use | 195 // Where sessionstorage data is stored, maybe empty for the incognito use |
196 // case. Always empty until the file-backed session storage feature is | 196 // case. Always empty until the file-backed session storage feature is |
197 // implemented. | 197 // implemented. |
198 FilePath sessionstorage_directory_; | 198 base::FilePath sessionstorage_directory_; |
199 | 199 |
200 // Used to schedule sequenced background tasks. | 200 // Used to schedule sequenced background tasks. |
201 scoped_refptr<DomStorageTaskRunner> task_runner_; | 201 scoped_refptr<DomStorageTaskRunner> task_runner_; |
202 | 202 |
203 // List of objects observing local storage events. | 203 // List of objects observing local storage events. |
204 ObserverList<EventObserver> event_observers_; | 204 ObserverList<EventObserver> event_observers_; |
205 | 205 |
206 // We use a 32 bit identifier for per tab storage sessions. | 206 // We use a 32 bit identifier for per tab storage sessions. |
207 // At a tab per second, this range is large enough for 68 years. | 207 // At a tab per second, this range is large enough for 68 years. |
208 base::AtomicSequenceNumber session_id_sequence_; | 208 base::AtomicSequenceNumber session_id_sequence_; |
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221 std::set<std::string> protected_persistent_session_ids_; | 221 std::set<std::string> protected_persistent_session_ids_; |
222 | 222 |
223 // Mapping between persistent namespace IDs and namespace IDs for | 223 // Mapping between persistent namespace IDs and namespace IDs for |
224 // sessionStorage. | 224 // sessionStorage. |
225 std::map<std::string, int64> persistent_namespace_id_to_namespace_id_; | 225 std::map<std::string, int64> persistent_namespace_id_to_namespace_id_; |
226 }; | 226 }; |
227 | 227 |
228 } // namespace dom_storage | 228 } // namespace dom_storage |
229 | 229 |
230 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ | 230 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_CONTEXT_H_ |
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