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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ |
6 #define CHROME_BROWSER_CHROMEOS_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
| 11 #include "base/callback.h" |
11 #include "chromeos/dbus/media_transfer_protocol_daemon_client.h" | 12 #include "chromeos/dbus/media_transfer_protocol_daemon_client.h" |
12 | 13 |
| 14 class MtpFileEntry; |
| 15 class MtpStorageInfo; |
| 16 |
13 namespace chromeos { | 17 namespace chromeos { |
14 namespace mtp { | 18 namespace mtp { |
15 | 19 |
16 // This class handles the interaction with mtpd. | 20 // This class handles the interaction with mtpd. |
17 // Other classes can add themselves as observers. | 21 // Other classes can add themselves as observers. |
18 class MediaTransferProtocolManager { | 22 class MediaTransferProtocolManager { |
19 public: | 23 public: |
20 // A callback to handle the result of OpenStorage. | 24 // A callback to handle the result of OpenStorage. |
21 // The first argument is the returned handle. | 25 // The first argument is the returned handle. |
22 // The second argument is true if there was an error. | 26 // The second argument is true if there was an error. |
23 typedef base::Callback<void(const std::string& handle, | 27 typedef base::Callback<void(const std::string& handle, |
24 bool error)> OpenStorageCallback; | 28 bool error)> OpenStorageCallback; |
25 | 29 |
26 // A callback to handle the result of CloseStorage. | 30 // A callback to handle the result of CloseStorage. |
27 // The argument is true if there was an error. | 31 // The argument is true if there was an error. |
28 typedef base::Callback<void(bool error)> CloseStorageCallback; | 32 typedef base::Callback<void(bool error)> CloseStorageCallback; |
29 | 33 |
30 // A callback to handle the result of ReadDirectoryByPath/Id. | 34 // A callback to handle the result of ReadDirectoryByPath/Id. |
31 // The first argument is a vector of file entries. | 35 // The first argument is a vector of file entries. |
32 // The second argument is true if there was an error. | 36 // The second argument is true if there was an error. |
33 typedef base::Callback<void(const std::vector<FileEntry>& file_entries, | 37 typedef base::Callback<void(const std::vector<MtpFileEntry>& file_entries, |
34 bool error)> ReadDirectoryCallback; | 38 bool error)> ReadDirectoryCallback; |
35 | 39 |
36 // A callback to handle the result of ReadFileByPath/Id. | 40 // A callback to handle the result of ReadFileByPath/Id. |
37 // The first argument is a string containing the file data. | 41 // The first argument is a string containing the file data. |
38 // The second argument is true if there was an error. | 42 // The second argument is true if there was an error. |
39 // TODO(thestig) Consider using a file descriptor instead of the data. | 43 // TODO(thestig) Consider using a file descriptor instead of the data. |
40 typedef base::Callback<void(const std::string& data, | 44 typedef base::Callback<void(const std::string& data, |
41 bool error)> ReadFileCallback; | 45 bool error)> ReadFileCallback; |
42 | 46 |
43 // A callback to handle the result of GetFileInfoByPath/Id. | 47 // A callback to handle the result of GetFileInfoByPath/Id. |
44 // The first argument is a file entry. | 48 // The first argument is a file entry. |
45 // The second argument is true if there was an error. | 49 // The second argument is true if there was an error. |
46 typedef base::Callback<void(const FileEntry& file_entry, | 50 typedef base::Callback<void(const MtpFileEntry& file_entry, |
47 bool error)> GetFileInfoCallback; | 51 bool error)> GetFileInfoCallback; |
48 | 52 |
49 // Implement this interface to be notified about MTP storage | 53 // Implement this interface to be notified about MTP storage |
50 // attachment / detachment events. | 54 // attachment / detachment events. |
51 class Observer { | 55 class Observer { |
52 public: | 56 public: |
53 virtual ~Observer() {} | 57 virtual ~Observer() {} |
54 | 58 |
55 // A function called after a MTP storage has been attached / detached. | 59 // A function called after a MTP storage has been attached / detached. |
56 virtual void StorageChanged(bool is_attached, | 60 virtual void StorageChanged(bool is_attached, |
57 const std::string& storage_name) = 0; | 61 const std::string& storage_name) = 0; |
58 }; | 62 }; |
59 | 63 |
60 virtual ~MediaTransferProtocolManager() {} | 64 virtual ~MediaTransferProtocolManager() {} |
61 | 65 |
62 // Adds an observer. | 66 // Adds an observer. |
63 virtual void AddObserver(Observer* observer) = 0; | 67 virtual void AddObserver(Observer* observer) = 0; |
64 | 68 |
65 // Removes an observer. | 69 // Removes an observer. |
66 virtual void RemoveObserver(Observer* observer) = 0; | 70 virtual void RemoveObserver(Observer* observer) = 0; |
67 | 71 |
68 // Returns a vector of available MTP storages. | 72 // Returns a vector of available MTP storages. |
69 virtual const std::vector<std::string> GetStorages() const = 0; | 73 virtual const std::vector<std::string> GetStorages() const = 0; |
70 | 74 |
71 // On success, returns the the metadata for |storage_name|. | 75 // On success, returns the the metadata for |storage_name|. |
72 // Otherwise returns NULL. | 76 // Otherwise returns NULL. |
73 virtual const StorageInfo* GetStorageInfo( | 77 virtual const MtpStorageInfo* GetStorageInfo( |
74 const std::string& storage_name) const = 0; | 78 const std::string& storage_name) const = 0; |
75 | 79 |
76 // Opens |storage_name| in |mode| and runs |callback|. | 80 // Opens |storage_name| in |mode| and runs |callback|. |
77 virtual void OpenStorage(const std::string& storage_name, | 81 virtual void OpenStorage(const std::string& storage_name, |
78 OpenStorageMode mode, | 82 OpenStorageMode mode, |
79 const OpenStorageCallback& callback) = 0; | 83 const OpenStorageCallback& callback) = 0; |
80 | 84 |
81 // Close |storage_handle| and runs |callback|. | 85 // Close |storage_handle| and runs |callback|. |
82 virtual void CloseStorage(const std::string& storage_handle, | 86 virtual void CloseStorage(const std::string& storage_handle, |
83 const CloseStorageCallback& callback) = 0; | 87 const CloseStorageCallback& callback) = 0; |
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123 | 127 |
124 // Returns a pointer to the global MediaTransferProtocolManager instance. | 128 // Returns a pointer to the global MediaTransferProtocolManager instance. |
125 // Initialize() should already have been called. | 129 // Initialize() should already have been called. |
126 static MediaTransferProtocolManager* GetInstance(); | 130 static MediaTransferProtocolManager* GetInstance(); |
127 }; | 131 }; |
128 | 132 |
129 } // namespace mtp | 133 } // namespace mtp |
130 } // namespace chromeos | 134 } // namespace chromeos |
131 | 135 |
132 #endif // CHROME_BROWSER_CHROMEOS_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ | 136 #endif // CHROME_BROWSER_CHROMEOS_MTP_MEDIA_TRANSFER_PROTOCOL_MANAGER_H_ |
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