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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 #include "webkit/dom_storage/dom_storage_namespace.h" | 5 #include "webkit/browser/dom_storage/dom_storage_namespace.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "webkit/dom_storage/dom_storage_area.h" | 11 #include "webkit/browser/dom_storage/dom_storage_area.h" |
12 #include "webkit/dom_storage/dom_storage_task_runner.h" | 12 #include "webkit/browser/dom_storage/dom_storage_task_runner.h" |
13 #include "webkit/dom_storage/dom_storage_types.h" | 13 #include "webkit/browser/dom_storage/session_storage_database.h" |
14 #include "webkit/dom_storage/session_storage_database.h" | 14 #include "webkit/common/dom_storage/dom_storage_types.h" |
15 | 15 |
16 namespace dom_storage { | 16 namespace dom_storage { |
17 | 17 |
18 DomStorageNamespace::DomStorageNamespace( | 18 DomStorageNamespace::DomStorageNamespace( |
19 const base::FilePath& directory, | 19 const base::FilePath& directory, |
20 DomStorageTaskRunner* task_runner) | 20 DomStorageTaskRunner* task_runner) |
21 : namespace_id_(kLocalStorageNamespaceId), | 21 : namespace_id_(kLocalStorageNamespaceId), |
22 directory_(directory), | 22 directory_(directory), |
23 task_runner_(task_runner) { | 23 task_runner_(task_runner) { |
24 } | 24 } |
25 | 25 |
26 DomStorageNamespace::DomStorageNamespace( | 26 DomStorageNamespace::DomStorageNamespace( |
27 int64 namespace_id, | 27 int64 namespace_id, |
28 const std::string& persistent_namespace_id, | 28 const std::string& persistent_namespace_id, |
29 SessionStorageDatabase* session_storage_database, | 29 SessionStorageDatabase* session_storage_database, |
30 DomStorageTaskRunner* task_runner) | 30 DomStorageTaskRunner* task_runner) |
31 : namespace_id_(namespace_id), | 31 : namespace_id_(namespace_id), |
32 persistent_namespace_id_(persistent_namespace_id), | 32 persistent_namespace_id_(persistent_namespace_id), |
33 task_runner_(task_runner), | 33 task_runner_(task_runner), |
34 session_storage_database_(session_storage_database) { | 34 session_storage_database_(session_storage_database) { |
35 DCHECK_NE(kLocalStorageNamespaceId, namespace_id); | 35 DCHECK_NE(kLocalStorageNamespaceId, namespace_id); |
36 } | 36 } |
37 | 37 |
38 DomStorageNamespace::~DomStorageNamespace() { | 38 DomStorageNamespace::~DomStorageNamespace() { |
39 } | 39 } |
40 | 40 |
41 DomStorageArea* DomStorageNamespace::OpenStorageArea(const GURL& origin) { | 41 DomStorageArea* DomStorageNamespace::OpenStorageArea(const GURL& origin) { |
42 if (AreaHolder* holder = GetAreaHolder(origin)) { | 42 if (AreaHolder* holder = GetAreaHolder(origin)) { |
43 ++(holder->open_count_); | 43 ++(holder->open_count_); |
44 return holder->area_; | 44 return holder->area_.get(); |
45 } | 45 } |
46 DomStorageArea* area; | 46 DomStorageArea* area; |
47 if (namespace_id_ == kLocalStorageNamespaceId) { | 47 if (namespace_id_ == kLocalStorageNamespaceId) { |
48 area = new DomStorageArea(origin, directory_, task_runner_); | 48 area = new DomStorageArea(origin, directory_, task_runner_.get()); |
49 } else { | 49 } else { |
50 area = new DomStorageArea(namespace_id_, persistent_namespace_id_, origin, | 50 area = new DomStorageArea( |
51 session_storage_database_, task_runner_); | 51 namespace_id_, persistent_namespace_id_, origin, |
| 52 session_storage_database_.get(), task_runner_.get()); |
52 } | 53 } |
53 areas_[origin] = AreaHolder(area, 1); | 54 areas_[origin] = AreaHolder(area, 1); |
54 return area; | 55 return area; |
55 } | 56 } |
56 | 57 |
57 void DomStorageNamespace::CloseStorageArea(DomStorageArea* area) { | 58 void DomStorageNamespace::CloseStorageArea(DomStorageArea* area) { |
58 AreaHolder* holder = GetAreaHolder(area->origin()); | 59 AreaHolder* holder = GetAreaHolder(area->origin()); |
59 DCHECK(holder); | 60 DCHECK(holder); |
60 DCHECK_EQ(holder->area_.get(), area); | 61 DCHECK_EQ(holder->area_.get(), area); |
61 --(holder->open_count_); | 62 --(holder->open_count_); |
62 // TODO(michaeln): Clean up areas that aren't needed in memory anymore. | 63 // TODO(michaeln): Clean up areas that aren't needed in memory anymore. |
63 // The in-process-webkit based impl didn't do this either, but would be nice. | 64 // The in-process-webkit based impl didn't do this either, but would be nice. |
64 } | 65 } |
65 | 66 |
66 DomStorageArea* DomStorageNamespace::GetOpenStorageArea(const GURL& origin) { | 67 DomStorageArea* DomStorageNamespace::GetOpenStorageArea(const GURL& origin) { |
67 AreaHolder* holder = GetAreaHolder(origin); | 68 AreaHolder* holder = GetAreaHolder(origin); |
68 if (holder && holder->open_count_) | 69 if (holder && holder->open_count_) |
69 return holder->area_; | 70 return holder->area_.get(); |
70 return NULL; | 71 return NULL; |
71 } | 72 } |
72 | 73 |
73 DomStorageNamespace* DomStorageNamespace::Clone( | 74 DomStorageNamespace* DomStorageNamespace::Clone( |
74 int64 clone_namespace_id, | 75 int64 clone_namespace_id, |
75 const std::string& clone_persistent_namespace_id) { | 76 const std::string& clone_persistent_namespace_id) { |
76 DCHECK_NE(kLocalStorageNamespaceId, namespace_id_); | 77 DCHECK_NE(kLocalStorageNamespaceId, namespace_id_); |
77 DCHECK_NE(kLocalStorageNamespaceId, clone_namespace_id); | 78 DCHECK_NE(kLocalStorageNamespaceId, clone_namespace_id); |
78 DomStorageNamespace* clone = new DomStorageNamespace( | 79 DomStorageNamespace* clone = new DomStorageNamespace( |
79 clone_namespace_id, clone_persistent_namespace_id, | 80 clone_namespace_id, clone_persistent_namespace_id, |
80 session_storage_database_, task_runner_); | 81 session_storage_database_.get(), task_runner_.get()); |
81 AreaMap::const_iterator it = areas_.begin(); | 82 AreaMap::const_iterator it = areas_.begin(); |
82 // Clone the in-memory structures. | 83 // Clone the in-memory structures. |
83 for (; it != areas_.end(); ++it) { | 84 for (; it != areas_.end(); ++it) { |
84 DomStorageArea* area = it->second.area_->ShallowCopy( | 85 DomStorageArea* area = it->second.area_->ShallowCopy( |
85 clone_namespace_id, clone_persistent_namespace_id); | 86 clone_namespace_id, clone_persistent_namespace_id); |
86 clone->areas_[it->first] = AreaHolder(area, 0); | 87 clone->areas_[it->first] = AreaHolder(area, 0); |
87 } | 88 } |
88 // And clone the on-disk structures, too. | 89 // And clone the on-disk structures, too. |
89 if (session_storage_database_) { | 90 if (session_storage_database_.get()) { |
90 task_runner_->PostShutdownBlockingTask( | 91 task_runner_->PostShutdownBlockingTask( |
91 FROM_HERE, | 92 FROM_HERE, |
92 DomStorageTaskRunner::COMMIT_SEQUENCE, | 93 DomStorageTaskRunner::COMMIT_SEQUENCE, |
93 base::Bind(base::IgnoreResult(&SessionStorageDatabase::CloneNamespace), | 94 base::Bind(base::IgnoreResult(&SessionStorageDatabase::CloneNamespace), |
94 session_storage_database_.get(), persistent_namespace_id_, | 95 session_storage_database_.get(), persistent_namespace_id_, |
95 clone_persistent_namespace_id)); | 96 clone_persistent_namespace_id)); |
96 } | 97 } |
97 return clone; | 98 return clone; |
98 } | 99 } |
99 | 100 |
100 void DomStorageNamespace::DeleteLocalStorageOrigin(const GURL& origin) { | 101 void DomStorageNamespace::DeleteLocalStorageOrigin(const GURL& origin) { |
101 DCHECK(!session_storage_database_.get()); | 102 DCHECK(!session_storage_database_.get()); |
102 AreaHolder* holder = GetAreaHolder(origin); | 103 AreaHolder* holder = GetAreaHolder(origin); |
103 if (holder) { | 104 if (holder) { |
104 holder->area_->DeleteOrigin(); | 105 holder->area_->DeleteOrigin(); |
105 return; | 106 return; |
106 } | 107 } |
107 if (!directory_.empty()) { | 108 if (!directory_.empty()) { |
108 scoped_refptr<DomStorageArea> area = | 109 scoped_refptr<DomStorageArea> area = |
109 new DomStorageArea(origin, directory_, task_runner_); | 110 new DomStorageArea(origin, directory_, task_runner_.get()); |
110 area->DeleteOrigin(); | 111 area->DeleteOrigin(); |
111 } | 112 } |
112 } | 113 } |
113 | 114 |
114 void DomStorageNamespace::DeleteSessionStorageOrigin(const GURL& origin) { | 115 void DomStorageNamespace::DeleteSessionStorageOrigin(const GURL& origin) { |
115 DomStorageArea* area = OpenStorageArea(origin); | 116 DomStorageArea* area = OpenStorageArea(origin); |
116 area->FastClear(); | 117 area->FastClear(); |
117 CloseStorageArea(area); | 118 CloseStorageArea(area); |
118 } | 119 } |
119 | 120 |
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177 | 178 |
178 DomStorageNamespace::AreaHolder::AreaHolder( | 179 DomStorageNamespace::AreaHolder::AreaHolder( |
179 DomStorageArea* area, int count) | 180 DomStorageArea* area, int count) |
180 : area_(area), open_count_(count) { | 181 : area_(area), open_count_(count) { |
181 } | 182 } |
182 | 183 |
183 DomStorageNamespace::AreaHolder::~AreaHolder() { | 184 DomStorageNamespace::AreaHolder::~AreaHolder() { |
184 } | 185 } |
185 | 186 |
186 } // namespace dom_storage | 187 } // namespace dom_storage |
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