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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ | 5 #ifndef CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ |
| 6 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ | 6 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <map> | 9 #include <map> |
| 10 #include <set> | 10 #include <set> |
| 11 | 11 |
| 12 #include "base/file_path.h" | 12 #include "base/file_path.h" |
| 13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 14 #include "base/string16.h" | 14 #include "base/string16.h" |
| 15 #include "base/time.h" | 15 #include "base/time.h" |
| 16 | 16 |
| 17 class DOMStorageArea; | 17 class DOMStorageArea; |
| 18 class DOMStorageMessageFilter; | 18 class DOMStorageMessageFilter; |
| 19 class DOMStorageNamespace; | 19 class DOMStorageNamespace; |
| 20 class WebKitContext; | 20 class WebKitContext; |
| 21 | 21 |
| 22 namespace quota { | 22 namespace quota { |
| 23 class SpecialStoragePolicy; | 23 class SpecialStoragePolicy; |
| 24 } | 24 } |
| 25 | 25 |
| 26 // This is owned by WebKitContext and is all the dom storage information that's | 26 // This is owned by WebKitContext and is all the dom storage information that's |
| 27 // shared by all the DOMStorageMessageFilters that share the same profile. The | 27 // shared by all the DOMStorageMessageFilters that share the same browser |
| 28 // specifics of responsibilities are fairly well documented here and in | 28 // context. The specifics of responsibilities are fairly well documented here |
| 29 // StorageNamespace and StorageArea. Everything is only to be accessed on the | 29 // and in StorageNamespace and StorageArea. Everything is only to be accessed |
| 30 // WebKit thread unless noted otherwise. | 30 // on the WebKit thread unless noted otherwise. |
| 31 // | 31 // |
| 32 // NOTE: Virtual methods facilitate mocking functions for testing. | 32 // NOTE: Virtual methods facilitate mocking functions for testing. |
| 33 class DOMStorageContext { | 33 class DOMStorageContext { |
| 34 public: | 34 public: |
| 35 DOMStorageContext(WebKitContext* webkit_context, | 35 DOMStorageContext(WebKitContext* webkit_context, |
| 36 quota::SpecialStoragePolicy* special_storage_policy); | 36 quota::SpecialStoragePolicy* special_storage_policy); |
| 37 virtual ~DOMStorageContext(); | 37 virtual ~DOMStorageContext(); |
| 38 | 38 |
| 39 // Invalid storage id. No storage session will ever report this value. | 39 // Invalid storage id. No storage session will ever report this value. |
| 40 // Used in DOMStorageMessageFilter::OnStorageAreaId when coping with | 40 // Used in DOMStorageMessageFilter::OnStorageAreaId when coping with |
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| 129 // IDs allocated on the IO thread are negative and count down. This allows us | 129 // IDs allocated on the IO thread are negative and count down. This allows us |
| 130 // to allocate unique IDs on both without any locking. All storage area ids | 130 // to allocate unique IDs on both without any locking. All storage area ids |
| 131 // are allocated on the WebKit thread. | 131 // are allocated on the WebKit thread. |
| 132 int64 last_storage_area_id_; | 132 int64 last_storage_area_id_; |
| 133 int64 last_session_storage_namespace_id_on_ui_thread_; | 133 int64 last_session_storage_namespace_id_on_ui_thread_; |
| 134 int64 last_session_storage_namespace_id_on_io_thread_; | 134 int64 last_session_storage_namespace_id_on_io_thread_; |
| 135 | 135 |
| 136 // True if the destructor should delete its files. | 136 // True if the destructor should delete its files. |
| 137 bool clear_local_state_on_exit_; | 137 bool clear_local_state_on_exit_; |
| 138 | 138 |
| 139 // Path where the profile data is stored. | 139 // Path where the browser context data is stored. |
| 140 // TODO(pastarmovj): Keep in mind that unlike indexed db data_path_ variable | 140 // TODO(pastarmovj): Keep in mind that unlike indexed db data_path_ variable |
| 141 // this one still has to point to the upper level dir because of the | 141 // this one still has to point to the upper level dir because of the |
| 142 // MigrateLocalStorageDirectory function. Once this function disappears we can | 142 // MigrateLocalStorageDirectory function. Once this function disappears we can |
| 143 // make it point directly to the dom storage path. | 143 // make it point directly to the dom storage path. |
| 144 FilePath data_path_; | 144 FilePath data_path_; |
| 145 | 145 |
| 146 // All the DOMStorageMessageFilters that are attached to us. ONLY USE ON THE | 146 // All the DOMStorageMessageFilters that are attached to us. ONLY USE ON THE |
| 147 // IO THREAD! | 147 // IO THREAD! |
| 148 MessageFilterSet message_filter_set_; | 148 MessageFilterSet message_filter_set_; |
| 149 | 149 |
| 150 // Maps ids to StorageAreas. We do NOT own these objects. StorageNamespace | 150 // Maps ids to StorageAreas. We do NOT own these objects. StorageNamespace |
| 151 // (which does own them) will notify us when we should remove the entries. | 151 // (which does own them) will notify us when we should remove the entries. |
| 152 typedef std::map<int64, DOMStorageArea*> StorageAreaMap; | 152 typedef std::map<int64, DOMStorageArea*> StorageAreaMap; |
| 153 StorageAreaMap storage_area_map_; | 153 StorageAreaMap storage_area_map_; |
| 154 | 154 |
| 155 // Maps ids to StorageNamespaces. We own these objects. | 155 // Maps ids to StorageNamespaces. We own these objects. |
| 156 typedef std::map<int64, DOMStorageNamespace*> StorageNamespaceMap; | 156 typedef std::map<int64, DOMStorageNamespace*> StorageNamespaceMap; |
| 157 StorageNamespaceMap storage_namespace_map_; | 157 StorageNamespaceMap storage_namespace_map_; |
| 158 | 158 |
| 159 scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_; | 159 scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_; |
| 160 | 160 |
| 161 DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageContext); | 161 DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageContext); |
| 162 }; | 162 }; |
| 163 | 163 |
| 164 #endif // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ | 164 #endif // CONTENT_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_ |
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