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Side by Side Diff: webkit/browser/dom_storage/dom_storage_namespace.cc

Issue 15990007: Move dom_storage to new locations. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 7 years, 6 months ago
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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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