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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ | 5 #ifndef EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ |
6 #define EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ | 6 #define EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
11 #include "base/lazy_instance.h" | 11 #include "base/lazy_instance.h" |
12 #include "base/memory/linked_ptr.h" | 12 #include "base/memory/linked_ptr.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "base/threading/non_thread_safe.h" | 14 #include "base/threading/non_thread_safe.h" |
15 #include "chrome/browser/chrome_notification_types.h" | 15 #include "chrome/browser/chrome_notification_types.h" |
16 #include "chrome/browser/extensions/extension_host.h" | 16 #include "chrome/browser/extensions/extension_host.h" |
17 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" | 17 #include "components/browser_context_keyed_service/browser_context_keyed_service
.h" |
18 #include "content/public/browser/browser_thread.h" | 18 #include "content/public/browser/browser_thread.h" |
19 #include "content/public/browser/notification_observer.h" | 19 #include "content/public/browser/notification_observer.h" |
20 #include "content/public/browser/notification_registrar.h" | 20 #include "content/public/browser/notification_registrar.h" |
21 #include "content/public/browser/notification_service.h" | 21 #include "content/public/browser/notification_service.h" |
22 #include "extensions/browser/browser_context_keyed_api_factory.h" | 22 #include "extensions/browser/browser_context_keyed_api_factory.h" |
23 #include "extensions/common/extension.h" | 23 #include "extensions/common/extension.h" |
24 | 24 |
25 namespace extensions { | 25 namespace extensions { |
| 26 |
26 namespace api { | 27 namespace api { |
27 class SerialEventDispatcher; | 28 class SerialEventDispatcher; |
| 29 } |
| 30 |
| 31 namespace core_api { |
28 class TCPServerSocketEventDispatcher; | 32 class TCPServerSocketEventDispatcher; |
29 class TCPSocketEventDispatcher; | 33 class TCPSocketEventDispatcher; |
30 class UDPSocketEventDispatcher; | 34 class UDPSocketEventDispatcher; |
31 } | 35 } |
32 } | |
33 | |
34 namespace extensions { | |
35 | 36 |
36 // An ApiResourceManager manages the lifetime of a set of resources that | 37 // An ApiResourceManager manages the lifetime of a set of resources that |
37 // ApiFunctions use. Examples are sockets or USB connections. | 38 // ApiFunctions use. Examples are sockets or USB connections. |
38 // | 39 // |
39 // Users of this class should define kThreadId to be the thread that | 40 // Users of this class should define kThreadId to be the thread that |
40 // ApiResourceManager to works on. The default is defined in ApiResource. | 41 // ApiResourceManager to works on. The default is defined in ApiResource. |
41 // The user must also define a static const char* service_name() that returns | 42 // The user must also define a static const char* service_name() that returns |
42 // the name of the service, and in order for ApiResourceManager to use | 43 // the name of the service, and in order for ApiResourceManager to use |
43 // service_name() friend this class. | 44 // service_name() friend this class. |
44 // | 45 // |
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142 } | 143 } |
143 case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: { | 144 case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: { |
144 ExtensionHost* host = content::Details<ExtensionHost>(details).ptr(); | 145 ExtensionHost* host = content::Details<ExtensionHost>(details).ptr(); |
145 data_->InitiateExtensionSuspendedCleanup(host->extension_id()); | 146 data_->InitiateExtensionSuspendedCleanup(host->extension_id()); |
146 break; | 147 break; |
147 } | 148 } |
148 } | 149 } |
149 } | 150 } |
150 | 151 |
151 private: | 152 private: |
| 153 // TODO(rockot): ApiResourceData could be moved out of ApiResourceManager and |
| 154 // we could avoid maintaining a friends list here. |
152 friend class api::SerialEventDispatcher; | 155 friend class api::SerialEventDispatcher; |
153 friend class api::TCPServerSocketEventDispatcher; | 156 friend class core_api::TCPServerSocketEventDispatcher; |
154 friend class api::TCPSocketEventDispatcher; | 157 friend class core_api::TCPSocketEventDispatcher; |
155 friend class api::UDPSocketEventDispatcher; | 158 friend class core_api::UDPSocketEventDispatcher; |
156 friend class BrowserContextKeyedAPIFactory<ApiResourceManager<T> >; | 159 friend class BrowserContextKeyedAPIFactory<ApiResourceManager<T> >; |
| 160 |
157 // BrowserContextKeyedAPI implementation. | 161 // BrowserContextKeyedAPI implementation. |
158 static const char* service_name() { return T::service_name(); } | 162 static const char* service_name() { return T::service_name(); } |
| 163 |
159 static const bool kServiceHasOwnInstanceInIncognito = true; | 164 static const bool kServiceHasOwnInstanceInIncognito = true; |
160 static const bool kServiceIsNULLWhileTesting = true; | 165 static const bool kServiceIsNULLWhileTesting = true; |
161 | 166 |
162 // ApiResourceData class handles resource bookkeeping on a thread | 167 // ApiResourceData class handles resource bookkeeping on a thread |
163 // where resource lifetime is handled. | 168 // where resource lifetime is handled. |
164 class ApiResourceData : public base::RefCountedThreadSafe<ApiResourceData> { | 169 class ApiResourceData : public base::RefCountedThreadSafe<ApiResourceData> { |
165 public: | 170 public: |
166 typedef std::map<int, linked_ptr<T> > ApiResourceMap; | 171 typedef std::map<int, linked_ptr<T> > ApiResourceMap; |
167 // Lookup map from extension id's to allocated resource id's. | 172 // Lookup map from extension id's to allocated resource id's. |
168 typedef std::map<std::string, base::hash_set<int> > ExtensionToResourceMap; | 173 typedef std::map<std::string, base::hash_set<int> > ExtensionToResourceMap; |
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317 }; | 322 }; |
318 | 323 |
319 content::BrowserThread::ID thread_id_; | 324 content::BrowserThread::ID thread_id_; |
320 content::NotificationRegistrar registrar_; | 325 content::NotificationRegistrar registrar_; |
321 scoped_refptr<ApiResourceData> data_; | 326 scoped_refptr<ApiResourceData> data_; |
322 }; | 327 }; |
323 | 328 |
324 } // namespace extensions | 329 } // namespace extensions |
325 | 330 |
326 #endif // EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ | 331 #endif // EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_ |
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