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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/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" |
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| 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(namespace_id_, |
| 51 session_storage_database_, task_runner_); | 51 persistent_namespace_id_, |
| 52 origin, |
| 53 session_storage_database_.get(), |
| 54 task_runner_.get()); |
| 52 } | 55 } |
| 53 areas_[origin] = AreaHolder(area, 1); | 56 areas_[origin] = AreaHolder(area, 1); |
| 54 return area; | 57 return area; |
| 55 } | 58 } |
| 56 | 59 |
| 57 void DomStorageNamespace::CloseStorageArea(DomStorageArea* area) { | 60 void DomStorageNamespace::CloseStorageArea(DomStorageArea* area) { |
| 58 AreaHolder* holder = GetAreaHolder(area->origin()); | 61 AreaHolder* holder = GetAreaHolder(area->origin()); |
| 59 DCHECK(holder); | 62 DCHECK(holder); |
| 60 DCHECK_EQ(holder->area_.get(), area); | 63 DCHECK_EQ(holder->area_.get(), area); |
| 61 --(holder->open_count_); | 64 --(holder->open_count_); |
| 62 // TODO(michaeln): Clean up areas that aren't needed in memory anymore. | 65 // 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. | 66 // The in-process-webkit based impl didn't do this either, but would be nice. |
| 64 } | 67 } |
| 65 | 68 |
| 66 DomStorageArea* DomStorageNamespace::GetOpenStorageArea(const GURL& origin) { | 69 DomStorageArea* DomStorageNamespace::GetOpenStorageArea(const GURL& origin) { |
| 67 AreaHolder* holder = GetAreaHolder(origin); | 70 AreaHolder* holder = GetAreaHolder(origin); |
| 68 if (holder && holder->open_count_) | 71 if (holder && holder->open_count_) |
| 69 return holder->area_; | 72 return holder->area_.get(); |
| 70 return NULL; | 73 return NULL; |
| 71 } | 74 } |
| 72 | 75 |
| 73 DomStorageNamespace* DomStorageNamespace::Clone( | 76 DomStorageNamespace* DomStorageNamespace::Clone( |
| 74 int64 clone_namespace_id, | 77 int64 clone_namespace_id, |
| 75 const std::string& clone_persistent_namespace_id) { | 78 const std::string& clone_persistent_namespace_id) { |
| 76 DCHECK_NE(kLocalStorageNamespaceId, namespace_id_); | 79 DCHECK_NE(kLocalStorageNamespaceId, namespace_id_); |
| 77 DCHECK_NE(kLocalStorageNamespaceId, clone_namespace_id); | 80 DCHECK_NE(kLocalStorageNamespaceId, clone_namespace_id); |
| 78 DomStorageNamespace* clone = new DomStorageNamespace( | 81 DomStorageNamespace* clone = |
| 79 clone_namespace_id, clone_persistent_namespace_id, | 82 new DomStorageNamespace(clone_namespace_id, |
| 80 session_storage_database_, task_runner_); | 83 clone_persistent_namespace_id, |
| 84 session_storage_database_.get(), |
| 85 task_runner_.get()); |
| 81 AreaMap::const_iterator it = areas_.begin(); | 86 AreaMap::const_iterator it = areas_.begin(); |
| 82 // Clone the in-memory structures. | 87 // Clone the in-memory structures. |
| 83 for (; it != areas_.end(); ++it) { | 88 for (; it != areas_.end(); ++it) { |
| 84 DomStorageArea* area = it->second.area_->ShallowCopy( | 89 DomStorageArea* area = it->second.area_->ShallowCopy( |
| 85 clone_namespace_id, clone_persistent_namespace_id); | 90 clone_namespace_id, clone_persistent_namespace_id); |
| 86 clone->areas_[it->first] = AreaHolder(area, 0); | 91 clone->areas_[it->first] = AreaHolder(area, 0); |
| 87 } | 92 } |
| 88 // And clone the on-disk structures, too. | 93 // And clone the on-disk structures, too. |
| 89 if (session_storage_database_) { | 94 if (session_storage_database_.get()) { |
| 90 task_runner_->PostShutdownBlockingTask( | 95 task_runner_->PostShutdownBlockingTask( |
| 91 FROM_HERE, | 96 FROM_HERE, |
| 92 DomStorageTaskRunner::COMMIT_SEQUENCE, | 97 DomStorageTaskRunner::COMMIT_SEQUENCE, |
| 93 base::Bind(base::IgnoreResult(&SessionStorageDatabase::CloneNamespace), | 98 base::Bind(base::IgnoreResult(&SessionStorageDatabase::CloneNamespace), |
| 94 session_storage_database_.get(), persistent_namespace_id_, | 99 session_storage_database_.get(), |
| 100 persistent_namespace_id_, |
| 95 clone_persistent_namespace_id)); | 101 clone_persistent_namespace_id)); |
| 96 } | 102 } |
| 97 return clone; | 103 return clone; |
| 98 } | 104 } |
| 99 | 105 |
| 100 void DomStorageNamespace::DeleteLocalStorageOrigin(const GURL& origin) { | 106 void DomStorageNamespace::DeleteLocalStorageOrigin(const GURL& origin) { |
| 101 DCHECK(!session_storage_database_.get()); | 107 DCHECK(!session_storage_database_.get()); |
| 102 AreaHolder* holder = GetAreaHolder(origin); | 108 AreaHolder* holder = GetAreaHolder(origin); |
| 103 if (holder) { | 109 if (holder) { |
| 104 holder->area_->DeleteOrigin(); | 110 holder->area_->DeleteOrigin(); |
| 105 return; | 111 return; |
| 106 } | 112 } |
| 107 if (!directory_.empty()) { | 113 if (!directory_.empty()) { |
| 108 scoped_refptr<DomStorageArea> area = | 114 scoped_refptr<DomStorageArea> area = |
| 109 new DomStorageArea(origin, directory_, task_runner_); | 115 new DomStorageArea(origin, directory_, task_runner_.get()); |
| 110 area->DeleteOrigin(); | 116 area->DeleteOrigin(); |
| 111 } | 117 } |
| 112 } | 118 } |
| 113 | 119 |
| 114 void DomStorageNamespace::DeleteSessionStorageOrigin(const GURL& origin) { | 120 void DomStorageNamespace::DeleteSessionStorageOrigin(const GURL& origin) { |
| 115 DomStorageArea* area = OpenStorageArea(origin); | 121 DomStorageArea* area = OpenStorageArea(origin); |
| 116 area->FastClear(); | 122 area->FastClear(); |
| 117 CloseStorageArea(area); | 123 CloseStorageArea(area); |
| 118 } | 124 } |
| 119 | 125 |
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| 177 | 183 |
| 178 DomStorageNamespace::AreaHolder::AreaHolder( | 184 DomStorageNamespace::AreaHolder::AreaHolder( |
| 179 DomStorageArea* area, int count) | 185 DomStorageArea* area, int count) |
| 180 : area_(area), open_count_(count) { | 186 : area_(area), open_count_(count) { |
| 181 } | 187 } |
| 182 | 188 |
| 183 DomStorageNamespace::AreaHolder::~AreaHolder() { | 189 DomStorageNamespace::AreaHolder::~AreaHolder() { |
| 184 } | 190 } |
| 185 | 191 |
| 186 } // namespace dom_storage | 192 } // namespace dom_storage |
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