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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 // Chromium settings and storage represent user-selected preferences and | 5 // Chromium settings and storage represent user-selected preferences and |
6 // information and MUST not be extracted, overwritten or modified except | 6 // information and MUST not be extracted, overwritten or modified except |
7 // through Chromium defined APIs. | 7 // through Chromium defined APIs. |
8 | 8 |
9 #ifndef COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ | 9 #ifndef COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ |
10 #define COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ | 10 #define COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/callback_forward.h" | 13 #include "base/callback_forward.h" |
14 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
15 #include "base/files/file_path.h" | 15 #include "base/files/file_path.h" |
16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
17 #include "base/memory/ref_counted_delete_on_message_loop.h" | 17 #include "base/memory/ref_counted_delete_on_message_loop.h" |
18 #include "base/memory/scoped_ptr.h" | 18 #include "base/memory/scoped_ptr.h" |
19 #include "base/memory/weak_ptr.h" | 19 #include "base/memory/weak_ptr.h" |
20 #include "base/message_loop/message_loop_proxy.h" | 20 #include "base/message_loop/message_loop_proxy.h" |
21 #include "base/observer_list.h" | 21 #include "base/observer_list.h" |
22 #include "components/webdata/common/web_data_service_base.h" | 22 #include "components/webdata/common/web_data_service_base.h" |
23 #include "components/webdata/common/web_database.h" | 23 #include "components/webdata/common/web_database.h" |
24 #include "components/webdata/common/webdata_export.h" | 24 #include "components/webdata/common/webdata_export.h" |
25 | 25 |
26 class WebDataServiceBackend; | 26 class WebDatabaseBackend; |
27 class WebDataRequestManager; | 27 class WebDataRequestManager; |
28 | 28 |
29 namespace content { | 29 namespace content { |
30 class BrowserContext; | 30 class BrowserContext; |
31 } | 31 } |
32 | 32 |
33 namespace tracked_objects { | 33 namespace tracked_objects { |
34 class Location; | 34 class Location; |
35 } | 35 } |
36 | 36 |
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70 // Initializes the web database service. | 70 // Initializes the web database service. |
71 virtual void LoadDatabase(); | 71 virtual void LoadDatabase(); |
72 | 72 |
73 // Unloads the database and shuts down the service. | 73 // Unloads the database and shuts down the service. |
74 virtual void ShutdownDatabase(); | 74 virtual void ShutdownDatabase(); |
75 | 75 |
76 // Gets a pointer to the WebDatabase (owned by WebDatabaseService). | 76 // Gets a pointer to the WebDatabase (owned by WebDatabaseService). |
77 // TODO(caitkp): remove this method once SyncServices no longer depend on it. | 77 // TODO(caitkp): remove this method once SyncServices no longer depend on it. |
78 virtual WebDatabase* GetDatabaseOnDB() const; | 78 virtual WebDatabase* GetDatabaseOnDB() const; |
79 | 79 |
80 // Returns a pointer to the WebDataServiceBackend. | 80 // Returns a pointer to the WebDatabaseBackend. |
81 scoped_refptr<WebDataServiceBackend> GetBackend() const; | 81 scoped_refptr<WebDatabaseBackend> GetBackend() const; |
82 | 82 |
83 // Schedule an update/write task on the DB thread. | 83 // Schedule an update/write task on the DB thread. |
84 virtual void ScheduleDBTask( | 84 virtual void ScheduleDBTask( |
85 const tracked_objects::Location& from_here, | 85 const tracked_objects::Location& from_here, |
86 const WriteTask& task); | 86 const WriteTask& task); |
87 | 87 |
88 // Schedule a read task on the DB thread. | 88 // Schedule a read task on the DB thread. |
89 virtual WebDataServiceBase::Handle ScheduleDBTaskWithResult( | 89 virtual WebDataServiceBase::Handle ScheduleDBTaskWithResult( |
90 const tracked_objects::Location& from_here, | 90 const tracked_objects::Location& from_here, |
91 const ReadTask& task, | 91 const ReadTask& task, |
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122 typedef std::vector<DBLoadErrorCallback> ErrorCallbacks; | 122 typedef std::vector<DBLoadErrorCallback> ErrorCallbacks; |
123 | 123 |
124 virtual ~WebDatabaseService(); | 124 virtual ~WebDatabaseService(); |
125 | 125 |
126 void OnDatabaseLoadDone(sql::InitStatus status); | 126 void OnDatabaseLoadDone(sql::InitStatus status); |
127 | 127 |
128 base::FilePath path_; | 128 base::FilePath path_; |
129 | 129 |
130 // The primary owner is |WebDatabaseService| but is refcounted because | 130 // The primary owner is |WebDatabaseService| but is refcounted because |
131 // PostTask on DB thread may outlive us. | 131 // PostTask on DB thread may outlive us. |
132 scoped_refptr<WebDataServiceBackend> wds_backend_; | 132 scoped_refptr<WebDatabaseBackend> web_db_backend_; |
133 | 133 |
134 // Callbacks to be called once the DB has loaded. | 134 // Callbacks to be called once the DB has loaded. |
135 LoadedCallbacks loaded_callbacks_; | 135 LoadedCallbacks loaded_callbacks_; |
136 | 136 |
137 // Callbacks to be called if the DB has failed to load. | 137 // Callbacks to be called if the DB has failed to load. |
138 ErrorCallbacks error_callbacks_; | 138 ErrorCallbacks error_callbacks_; |
139 | 139 |
140 // True if the WebDatabase has loaded. | 140 // True if the WebDatabase has loaded. |
141 bool db_loaded_; | 141 bool db_loaded_; |
142 | 142 |
143 scoped_refptr<base::MessageLoopProxy> db_thread_; | 143 scoped_refptr<base::MessageLoopProxy> db_thread_; |
144 | 144 |
145 // All vended weak pointers are invalidated in ShutdownDatabase(). | 145 // All vended weak pointers are invalidated in ShutdownDatabase(). |
146 base::WeakPtrFactory<WebDatabaseService> weak_ptr_factory_; | 146 base::WeakPtrFactory<WebDatabaseService> weak_ptr_factory_; |
147 | 147 |
148 DISALLOW_COPY_AND_ASSIGN(WebDatabaseService); | 148 DISALLOW_COPY_AND_ASSIGN(WebDatabaseService); |
149 }; | 149 }; |
150 | 150 |
151 #endif // COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ | 151 #endif // COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_SERVICE_H_ |
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