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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" | 12 #include "base/files/file.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "base/observer_list.h" | 15 #include "base/observer_list.h" |
16 #include "base/values.h" | 16 #include "base/values.h" |
17 #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" | 18 #include "chrome/browser/chromeos/file_system_provider/request_manager.h" |
19 #include "chrome/browser/profiles/profile.h" | 19 #include "chrome/browser/profiles/profile.h" |
20 #include "chrome/common/extensions/api/file_system_provider.h" | 20 #include "chrome/common/extensions/api/file_system_provider.h" |
21 #include "components/keyed_service/core/keyed_service.h" | 21 #include "components/keyed_service/core/keyed_service.h" |
22 #include "content/public/browser/browser_context.h" | 22 #include "content/public/browser/browser_context.h" |
23 | 23 |
24 namespace chromeos { | 24 namespace chromeos { |
25 namespace file_system_provider { | 25 namespace file_system_provider { |
26 | 26 |
27 class ProvidedFileSystemFactoryInterface; | |
28 class ProvidedFileSystemInfo; | |
29 class ProvidedFileSystemInterface; | |
27 class ServiceFactory; | 30 class ServiceFactory; |
28 | 31 |
29 // Manages and registers the fileSystemProvider service. | 32 // Manages and registers the file system provider service. Maintains provided |
33 // file systems. | |
34 // | |
35 // Internally creates ProvidedFileSystem instances which require a browser | |
36 // running. For unit tests, create with a custom factory (in most cases | |
37 // FakeProvidedFileSystemFactory will do) via CreateForTesting(). | |
30 class Service : public KeyedService { | 38 class Service : public KeyedService { |
31 public: | 39 public: |
32 explicit Service(Profile* profile); | 40 explicit Service(Profile* profile); |
33 virtual ~Service(); | 41 virtual ~Service(); |
34 | 42 |
43 // Creates a service instance for tests. Takes ownership on the | |
44 // |file_system_factory| instance. | |
hashimoto
2014/04/15 07:22:45
scoped_ptr always takes the ownership.
No need to
mtomasz
2014/04/15 09:42:12
Done.
| |
45 static Service* CreateForTesting( | |
46 Profile* profile, | |
47 scoped_ptr<ProvidedFileSystemFactoryInterface> file_system_factory); | |
48 | |
35 // Mounts a file system provided by an extension with the |extension_id|. | 49 // Mounts a file system provided by an extension with the |extension_id|. |
36 // For success, it returns a numeric file system id, which is an | 50 // For success, it returns a numeric file system id, which is an |
37 // auto-incremented non-zero value. For failures, it returns zero. | 51 // auto-incremented non-zero value. For failures, it returns zero. |
38 int MountFileSystem(const std::string& extension_id, | 52 int MountFileSystem(const std::string& extension_id, |
39 const std::string& file_system_name); | 53 const std::string& file_system_name); |
40 | 54 |
41 // Unmounts a file system with the specified |file_system_id| for the | 55 // Unmounts a file system with the specified |file_system_id| for the |
42 // |extension_id|. For success returns true, otherwise false. | 56 // |extension_id|. For success returns true, otherwise false. |
43 bool UnmountFileSystem(const std::string& extension_id, int file_system_id); | 57 bool UnmountFileSystem(const std::string& extension_id, int file_system_id); |
44 | 58 |
45 // Returns a list of currently mounted file systems. All items are copied. | 59 // Requests unmounting of the file system. The callback is called when the |
46 std::vector<ProvidedFileSystem> GetMountedFileSystems(); | 60 // request is accepted or rejected, with an error code. Returns false if the |
61 // request could not been created, true otherwise. | |
62 bool RequestUnmount(int file_system_id); | |
47 | 63 |
48 // Handles successful response for the |request_id|. If |has_next| is false, | 64 // Returns a list of information of all currently provided file systems. All |
49 // then the request is disposed, after handling the |response|. On error, | 65 // items are copied. |
50 // returns false, and the request is disposed. | 66 std::vector<ProvidedFileSystemInfo> GetProvidedFileSystemInfoList(); |
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 | 67 |
57 // Handles error response for the |request_id|. If handling the error fails, | 68 // Returns a provided file system with |file_system_id|, handled by |
58 // returns false. Always disposes the request. | 69 // the extension with |extension_id|. If not found, then returns NULL. |
59 bool RejectRequest(const std::string& extension_id, | 70 ProvidedFileSystemInterface* GetProvidedFileSystem( |
60 int file_system_id, | 71 const std::string& extension_id, |
61 int request_id, | 72 int file_system_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); | |
68 | 73 |
69 // Adds and removes observers. | 74 // Adds and removes observers. |
70 void AddObserver(Observer* observer); | 75 void AddObserver(Observer* observer); |
71 void RemoveObserver(Observer* observer); | 76 void RemoveObserver(Observer* observer); |
72 | 77 |
73 // Gets the singleton instance for the |context|. | 78 // Gets the singleton instance for the |context|. |
74 static Service* Get(content::BrowserContext* context); | 79 static Service* Get(content::BrowserContext* context); |
75 | 80 |
76 // BrowserContextKeyedService overrides. | 81 // BrowserContextKeyedService overrides. |
77 virtual void Shutdown() OVERRIDE; | 82 virtual void Shutdown() OVERRIDE; |
78 | 83 |
84 // Getter for the request manager. Used by the extension API to forward | |
85 // replies. Valid as long as the service. | |
86 RequestManager* request_manager() { return &request_manager_; } | |
87 | |
79 private: | 88 private: |
80 typedef std::map<int, ProvidedFileSystem> FileSystemMap; | 89 typedef std::map<int, ProvidedFileSystemInterface*> ProvidedFileSystemMap; |
81 | 90 |
82 // Called when the providing extension calls the success callback for the | 91 // Creates a service with a custom factory. Takes ownership on the |
83 // onUnmountRequested event. | 92 // |file_system_factory| instance. |
84 void OnRequestUnmountError(const ProvidedFileSystem& file_system, | 93 Service(Profile* profile, |
85 base::File::Error error); | 94 scoped_ptr<ProvidedFileSystemFactoryInterface> file_system_factory); |
95 | |
96 // Called when the providing extension accepts or refuses a unmount request. | |
97 // If |error| is equal to FILE_OK, then the request is accepted. | |
98 void OnRequestUnmountStatus(const ProvidedFileSystemInfo& file_system_info, | |
99 base::File::Error error); | |
86 | 100 |
87 RequestManager request_manager_; | 101 RequestManager request_manager_; |
88 Profile* profile_; | 102 Profile* profile_; |
103 scoped_ptr<ProvidedFileSystemFactoryInterface> file_system_factory_; | |
89 ObserverList<Observer> observers_; | 104 ObserverList<Observer> observers_; |
90 FileSystemMap file_systems_; | 105 ProvidedFileSystemMap file_system_map_; // Owns pointers. |
91 int next_id_; | 106 int next_id_; |
92 base::WeakPtrFactory<Service> weak_ptr_factory_; | 107 base::WeakPtrFactory<Service> weak_ptr_factory_; |
93 | 108 |
94 DISALLOW_COPY_AND_ASSIGN(Service); | 109 DISALLOW_COPY_AND_ASSIGN(Service); |
95 }; | 110 }; |
96 | 111 |
97 } // namespace file_system_provider | 112 } // namespace file_system_provider |
98 } // namespace chromeos | 113 } // namespace chromeos |
99 | 114 |
100 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ | 115 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_ |
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