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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 #include "chrome/browser/chromeos/file_system_provider/service.h" | 5 #include "chrome/browser/chromeos/file_system_provider/service.h" |
6 | 6 |
7 #include "base/files/file_path.h" | 7 #include "base/files/file_path.h" |
8 #include "base/stl_util.h" | 8 #include "base/stl_util.h" |
9 #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h" | 9 #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h" |
10 #include "chrome/browser/chromeos/file_system_provider/observer.h" | 10 #include "chrome/browser/chromeos/file_system_provider/observer.h" |
11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system.h" | 11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system.h" |
12 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info
.h" | 12 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info
.h" |
13 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" | 13 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" |
14 #include "chrome/browser/chromeos/file_system_provider/service_factory.h" | 14 #include "chrome/browser/chromeos/file_system_provider/service_factory.h" |
15 #include "content/public/browser/browser_thread.h" | 15 #include "content/public/browser/browser_thread.h" |
| 16 #include "extensions/browser/extension_registry.h" |
16 #include "extensions/browser/extension_system.h" | 17 #include "extensions/browser/extension_system.h" |
| 18 #include "extensions/common/extension.h" |
17 #include "webkit/browser/fileapi/external_mount_points.h" | 19 #include "webkit/browser/fileapi/external_mount_points.h" |
18 | 20 |
19 namespace chromeos { | 21 namespace chromeos { |
20 namespace file_system_provider { | 22 namespace file_system_provider { |
21 namespace { | 23 namespace { |
22 | 24 |
23 // Maximum number of file systems to be mounted in the same time, per profile. | 25 // Maximum number of file systems to be mounted in the same time, per profile. |
24 const size_t kMaxFileSystems = 16; | 26 const size_t kMaxFileSystems = 16; |
25 | 27 |
26 // Default factory for provided file systems. The |event_router| must not be | 28 // Default factory for provided file systems. The |event_router| must not be |
27 // NULL. | 29 // NULL. |
28 ProvidedFileSystemInterface* CreateProvidedFileSystem( | 30 ProvidedFileSystemInterface* CreateProvidedFileSystem( |
29 extensions::EventRouter* event_router, | 31 extensions::EventRouter* event_router, |
30 const ProvidedFileSystemInfo& file_system_info) { | 32 const ProvidedFileSystemInfo& file_system_info) { |
31 DCHECK(event_router); | 33 DCHECK(event_router); |
32 return new ProvidedFileSystem(event_router, file_system_info); | 34 return new ProvidedFileSystem(event_router, file_system_info); |
33 } | 35 } |
34 | 36 |
35 } // namespace | 37 } // namespace |
36 | 38 |
37 Service::Service(Profile* profile) | 39 Service::Service(Profile* profile, |
| 40 extensions::ExtensionRegistry* extension_registry) |
38 : profile_(profile), | 41 : profile_(profile), |
| 42 extension_registry_(extension_registry), |
39 file_system_factory_(base::Bind(CreateProvidedFileSystem)), | 43 file_system_factory_(base::Bind(CreateProvidedFileSystem)), |
40 next_id_(1), | 44 next_id_(1), |
41 weak_ptr_factory_(this) {} | 45 weak_ptr_factory_(this) { |
| 46 extension_registry_->AddObserver(this); |
| 47 } |
42 | 48 |
43 Service::~Service() { STLDeleteValues(&file_system_map_); } | 49 Service::~Service() { |
| 50 extension_registry_->RemoveObserver(this); |
| 51 STLDeleteValues(&file_system_map_); |
| 52 } |
44 | 53 |
45 // static | 54 // static |
46 Service* Service::Get(content::BrowserContext* context) { | 55 Service* Service::Get(content::BrowserContext* context) { |
47 return ServiceFactory::Get(context); | 56 return ServiceFactory::Get(context); |
48 } | 57 } |
49 | 58 |
50 void Service::AddObserver(Observer* observer) { | 59 void Service::AddObserver(Observer* observer) { |
51 DCHECK(observer); | 60 DCHECK(observer); |
52 observers_.AddObserver(observer); | 61 observers_.AddObserver(observer); |
53 } | 62 } |
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211 file_system_map_.find(file_system_id); | 220 file_system_map_.find(file_system_id); |
212 if (file_system_it == file_system_map_.end() || | 221 if (file_system_it == file_system_map_.end() || |
213 file_system_it->second->GetFileSystemInfo().extension_id() != | 222 file_system_it->second->GetFileSystemInfo().extension_id() != |
214 extension_id) { | 223 extension_id) { |
215 return NULL; | 224 return NULL; |
216 } | 225 } |
217 | 226 |
218 return file_system_it->second; | 227 return file_system_it->second; |
219 } | 228 } |
220 | 229 |
221 void Service::Shutdown() {} | 230 void Service::OnExtensionUnloaded(const extensions::Extension* extension) { |
| 231 // Unmount all of the provided file systems associated with this extension. |
| 232 ProvidedFileSystemMap::iterator it = file_system_map_.begin(); |
| 233 while (it != file_system_map_.end()) { |
| 234 const ProvidedFileSystemInfo& file_system_info = |
| 235 it->second->GetFileSystemInfo(); |
| 236 // Advance the iterator beforehand, otherwise it will become invalidated |
| 237 // by the UnmountFileSystem() call. |
| 238 ++it; |
| 239 if (file_system_info.extension_id() == extension->id()) { |
| 240 bool result = UnmountFileSystem(file_system_info.extension_id(), |
| 241 file_system_info.file_system_id()); |
| 242 DCHECK(result); |
| 243 } |
| 244 } |
| 245 } |
222 | 246 |
223 void Service::OnRequestUnmountStatus( | 247 void Service::OnRequestUnmountStatus( |
224 const ProvidedFileSystemInfo& file_system_info, | 248 const ProvidedFileSystemInfo& file_system_info, |
225 base::File::Error error) { | 249 base::File::Error error) { |
226 // Notify observers about failure in unmounting, since mount() will not be | 250 // Notify observers about failure in unmounting, since mount() will not be |
227 // called by the provided file system. In case of success mount() will be | 251 // called by the provided file system. In case of success mount() will be |
228 // invoked, and observers notified, so there is no need to call them now. | 252 // invoked, and observers notified, so there is no need to call them now. |
229 if (error != base::File::FILE_OK) { | 253 if (error != base::File::FILE_OK) { |
230 FOR_EACH_OBSERVER(Observer, | 254 FOR_EACH_OBSERVER(Observer, |
231 observers_, | 255 observers_, |
232 OnProvidedFileSystemUnmount(file_system_info, error)); | 256 OnProvidedFileSystemUnmount(file_system_info, error)); |
233 } | 257 } |
234 } | 258 } |
235 | 259 |
236 } // namespace file_system_provider | 260 } // namespace file_system_provider |
237 } // namespace chromeos | 261 } // namespace chromeos |
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