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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 CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ |
6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ | 6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
| 12 #include "base/files/file.h" |
| 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/memory/weak_ptr.h" |
12 #include "base/observer_list.h" | 15 #include "base/observer_list.h" |
| 16 #include "base/values.h" |
13 #include "chrome/browser/chromeos/file_system_provider/observer.h" | 17 #include "chrome/browser/chromeos/file_system_provider/observer.h" |
| 18 #include "chrome/browser/chromeos/file_system_provider/request_manager.h" |
14 #include "chrome/browser/profiles/profile.h" | 19 #include "chrome/browser/profiles/profile.h" |
15 #include "chrome/common/extensions/api/file_system_provider.h" | 20 #include "chrome/common/extensions/api/file_system_provider.h" |
16 #include "components/keyed_service/core/keyed_service.h" | 21 #include "components/keyed_service/core/keyed_service.h" |
17 #include "content/public/browser/browser_context.h" | 22 #include "content/public/browser/browser_context.h" |
18 | 23 |
19 namespace chromeos { | 24 namespace chromeos { |
20 namespace file_system_provider { | 25 namespace file_system_provider { |
21 | 26 |
22 class ServiceFactory; | 27 class ServiceFactory; |
23 | 28 |
24 // Manages and registers the fileSystemProvider service. | 29 // Manages and registers the fileSystemProvider service. |
25 class Service : public KeyedService { | 30 class Service : public KeyedService { |
26 public: | 31 public: |
27 explicit Service(Profile* profile); | 32 explicit Service(Profile* profile); |
28 virtual ~Service(); | 33 virtual ~Service(); |
29 | 34 |
30 // Registers a file system provided by an extension with the |extension_id|. | 35 // Mounts a file system provided by an extension with the |extension_id|. |
31 // For success, it returns a numeric file system id, which is an | 36 // For success, it returns a numeric file system id, which is an |
32 // auto-incremented non-zero value. For failures, it returns zero. | 37 // auto-incremented non-zero value. For failures, it returns zero. |
33 int RegisterFileSystem(const std::string& extension_id, | 38 int MountFileSystem(const std::string& extension_id, |
34 const std::string& file_system_name); | 39 const std::string& file_system_name); |
35 | 40 |
36 // Unregisters a file system with the specified |file_system_id| for the | 41 // Unmounts a file system with the specified |file_system_id| for the |
37 // |extension_id|. For success returns true, otherwise false. | 42 // |extension_id|. For success returns true, otherwise false. |
38 bool UnregisterFileSystem(const std::string& extension_id, | 43 bool UnmountFileSystem(const std::string& extension_id, int file_system_id); |
39 int file_system_id); | |
40 | 44 |
41 // Returns a list of currently registered file systems. All items are copied. | 45 // Returns a list of currently mounted file systems. All items are copied. |
42 std::vector<ProvidedFileSystem> GetRegisteredFileSystems(); | 46 std::vector<ProvidedFileSystem> GetMountedFileSystems(); |
| 47 |
| 48 // Handles successful response for the |request_id|. If |has_next| is false, |
| 49 // then the request is disposed, after handling the |response|. On error, |
| 50 // returns false, and the request is disposed. |
| 51 bool FulfillRequest(const std::string& extension_id, |
| 52 int file_system_id, |
| 53 int request_id, |
| 54 scoped_ptr<base::DictionaryValue> result, |
| 55 bool has_next); |
| 56 |
| 57 // Handles error response for the |request_id|. If handling the error fails, |
| 58 // returns false. Always disposes the request. |
| 59 bool RejectRequest(const std::string& extension_id, |
| 60 int file_system_id, |
| 61 int request_id, |
| 62 base::File::Error error); |
| 63 |
| 64 // Requests unmounting of a file system with the passed |file_system_id|. |
| 65 // Returns true is unmounting has been requested. False, if the request is |
| 66 // invalid (eg. already unmounted). |
| 67 bool RequestUnmount(int file_system_id); |
43 | 68 |
44 // Adds and removes observers. | 69 // Adds and removes observers. |
45 void AddObserver(Observer* observer); | 70 void AddObserver(Observer* observer); |
46 void RemoveObserver(Observer* observer); | 71 void RemoveObserver(Observer* observer); |
47 | 72 |
48 // Gets the singleton instance for the |context|. | 73 // Gets the singleton instance for the |context|. |
49 static Service* Get(content::BrowserContext* context); | 74 static Service* Get(content::BrowserContext* context); |
50 | 75 |
| 76 // BrowserContextKeyedService overrides. |
| 77 virtual void Shutdown() OVERRIDE; |
| 78 |
51 private: | 79 private: |
52 typedef std::map<int, ProvidedFileSystem> FileSystemMap; | 80 typedef std::map<int, ProvidedFileSystem> FileSystemMap; |
53 | 81 |
| 82 // Called when the providing extension calls the success callback for the |
| 83 // onUnmountRequested event. |
| 84 void OnRequestUnmountError(const ProvidedFileSystem& file_system, |
| 85 base::File::Error error); |
| 86 |
| 87 RequestManager request_manager_; |
54 Profile* profile_; | 88 Profile* profile_; |
55 ObserverList<Observer> observers_; | 89 ObserverList<Observer> observers_; |
56 FileSystemMap file_systems_; | 90 FileSystemMap file_systems_; |
57 int next_id_; | 91 int next_id_; |
| 92 base::WeakPtrFactory<Service> weak_ptr_factory_; |
58 | 93 |
59 DISALLOW_COPY_AND_ASSIGN(Service); | 94 DISALLOW_COPY_AND_ASSIGN(Service); |
60 }; | 95 }; |
61 | 96 |
62 } // namespace file_system_provider | 97 } // namespace file_system_provider |
63 } // namespace chromeos | 98 } // namespace chromeos |
64 | 99 |
65 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ | 100 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ |
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