OLD | NEW |
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/request_manager.h" | 5 #include "chrome/browser/chromeos/file_system_provider/request_manager.h" |
6 | 6 |
7 #include "base/values.h" | 7 #include "base/values.h" |
8 | 8 |
9 namespace chromeos { | 9 namespace chromeos { |
10 namespace file_system_provider { | 10 namespace file_system_provider { |
11 | 11 |
12 RequestManager::RequestManager() : next_id_(1) {} | 12 RequestManager::RequestManager() : next_id_(1) {} |
13 | 13 |
14 RequestManager::~RequestManager() {} | 14 RequestManager::~RequestManager() { |
| 15 // Abort all of the active requests. |
| 16 RequestMap::iterator it = requests_.begin(); |
| 17 while (it != requests_.end()) { |
| 18 const int request_id = it->first; |
| 19 ++it; |
| 20 RejectRequest(request_id, base::File::FILE_ERROR_ABORT); |
| 21 } |
| 22 } |
15 | 23 |
16 int RequestManager::CreateRequest(const std::string& extension_id, | 24 int RequestManager::CreateRequest(const SuccessCallback& success_callback, |
17 int file_system_id, | |
18 const SuccessCallback& success_callback, | |
19 const ErrorCallback& error_callback) { | 25 const ErrorCallback& error_callback) { |
20 // The request id is unique per request manager, so per service, thereof | 26 // The request id is unique per request manager, so per service, thereof |
21 // per profile. | 27 // per profile. |
22 int request_id = next_id_++; | 28 int request_id = next_id_++; |
23 | 29 |
24 // If cycled the int, then signal an error. | 30 // If cycled the int, then signal an error. |
25 if (requests_.find(request_id) != requests_.end()) | 31 if (requests_.find(request_id) != requests_.end()) |
26 return 0; | 32 return 0; |
27 | 33 |
28 Request request; | 34 Request request; |
29 request.extension_id = extension_id; | |
30 request.file_system_id = file_system_id; | |
31 request.success_callback = success_callback; | 35 request.success_callback = success_callback; |
32 request.error_callback = error_callback; | 36 request.error_callback = error_callback; |
33 requests_[request_id] = request; | 37 requests_[request_id] = request; |
34 | 38 |
35 return request_id; | 39 return request_id; |
36 } | 40 } |
37 | 41 |
38 bool RequestManager::FulfillRequest(const std::string& extension_id, | 42 bool RequestManager::FulfillRequest(int request_id, |
39 int file_system_id, | |
40 int request_id, | |
41 scoped_ptr<base::DictionaryValue> response, | 43 scoped_ptr<base::DictionaryValue> response, |
42 bool has_next) { | 44 bool has_next) { |
43 RequestMap::iterator request_it = requests_.find(request_id); | 45 RequestMap::iterator request_it = requests_.find(request_id); |
44 | 46 |
45 if (request_it == requests_.end()) | 47 if (request_it == requests_.end()) |
46 return false; | 48 return false; |
47 | 49 |
48 // Check if the request belongs to the same provided file system. | |
49 if (request_it->second.file_system_id != file_system_id || | |
50 request_it->second.extension_id != extension_id) { | |
51 return false; | |
52 } | |
53 | |
54 if (!request_it->second.success_callback.is_null()) | 50 if (!request_it->second.success_callback.is_null()) |
55 request_it->second.success_callback.Run(response.Pass(), has_next); | 51 request_it->second.success_callback.Run(response.Pass(), has_next); |
56 if (!has_next) | 52 if (!has_next) |
57 requests_.erase(request_it); | 53 requests_.erase(request_it); |
58 | 54 |
59 return true; | 55 return true; |
60 } | 56 } |
61 | 57 |
62 bool RequestManager::RejectRequest(const std::string& extension_id, | 58 bool RequestManager::RejectRequest(int request_id, base::File::Error error) { |
63 int file_system_id, | |
64 int request_id, | |
65 base::File::Error error) { | |
66 RequestMap::iterator request_it = requests_.find(request_id); | 59 RequestMap::iterator request_it = requests_.find(request_id); |
67 | 60 |
68 if (request_it == requests_.end()) | 61 if (request_it == requests_.end()) |
69 return false; | 62 return false; |
70 | 63 |
71 // Check if the request belongs to the same provided file system. | |
72 if (request_it->second.file_system_id != file_system_id || | |
73 request_it->second.extension_id != extension_id) { | |
74 return false; | |
75 } | |
76 | |
77 if (!request_it->second.error_callback.is_null()) | 64 if (!request_it->second.error_callback.is_null()) |
78 request_it->second.error_callback.Run(error); | 65 request_it->second.error_callback.Run(error); |
79 requests_.erase(request_it); | 66 requests_.erase(request_it); |
80 | 67 |
81 return true; | 68 return true; |
82 } | 69 } |
83 | 70 |
84 void RequestManager::OnProvidedFileSystemMount( | 71 RequestManager::Request::Request() {} |
85 const ProvidedFileSystemInfo& file_system_info, | |
86 base::File::Error error) {} | |
87 | |
88 void RequestManager::OnProvidedFileSystemUnmount( | |
89 const ProvidedFileSystemInfo& file_system_info, | |
90 base::File::Error error) { | |
91 // Do not continue on error, since the volume may be still mounted. | |
92 if (error != base::File::FILE_OK) | |
93 return; | |
94 | |
95 // Remove all requests for this provided file system. | |
96 RequestMap::iterator it = requests_.begin(); | |
97 while (it != requests_.begin()) { | |
98 if (it->second.file_system_id == file_system_info.file_system_id() && | |
99 it->second.extension_id == file_system_info.extension_id()) { | |
100 RejectRequest(it->second.extension_id, | |
101 it->second.file_system_id, | |
102 it->first, | |
103 base::File::FILE_ERROR_ABORT); | |
104 requests_.erase(it++); | |
105 } else { | |
106 ++it; | |
107 } | |
108 } | |
109 } | |
110 | |
111 RequestManager::Request::Request() : file_system_id(0) {} | |
112 | 72 |
113 RequestManager::Request::~Request() {} | 73 RequestManager::Request::~Request() {} |
114 | 74 |
115 } // namespace file_system_provider | 75 } // namespace file_system_provider |
116 } // namespace chromeos | 76 } // namespace chromeos |
OLD | NEW |