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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_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ | 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ |
6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ | 6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ |
7 | 7 |
| 8 #include <stddef.h> |
| 9 #include <stdint.h> |
| 10 |
8 #include <vector> | 11 #include <vector> |
9 | 12 |
10 #include "base/files/file_path.h" | 13 #include "base/files/file_path.h" |
| 14 #include "base/macros.h" |
11 #include "base/time/time.h" | 15 #include "base/time/time.h" |
12 #include "device/media_transfer_protocol/mtp_file_entry.pb.h" | 16 #include "device/media_transfer_protocol/mtp_file_entry.pb.h" |
13 | 17 |
14 // Used to enumerate top-level files of an media file system. | 18 // Used to enumerate top-level files of an media file system. |
15 class MTPDeviceObjectEnumerator { | 19 class MTPDeviceObjectEnumerator { |
16 public: | 20 public: |
17 explicit MTPDeviceObjectEnumerator(const std::vector<MtpFileEntry>& entries); | 21 explicit MTPDeviceObjectEnumerator(const std::vector<MtpFileEntry>& entries); |
18 | 22 |
19 ~MTPDeviceObjectEnumerator(); | 23 ~MTPDeviceObjectEnumerator(); |
20 | 24 |
21 base::FilePath Next(); | 25 base::FilePath Next(); |
22 int64 Size(); | 26 int64_t Size(); |
23 bool IsDirectory(); | 27 bool IsDirectory(); |
24 base::Time LastModifiedTime(); | 28 base::Time LastModifiedTime(); |
25 | 29 |
26 // If the current file entry is valid, returns true and fills in |entry_id| | 30 // If the current file entry is valid, returns true and fills in |entry_id| |
27 // with the entry identifier else returns false and |entry_id| is not set. | 31 // with the entry identifier else returns false and |entry_id| is not set. |
28 bool GetEntryId(uint32* entry_id) const; | 32 bool GetEntryId(uint32_t* entry_id) const; |
29 | 33 |
30 private: | 34 private: |
31 // Returns true if the enumerator has more entries to traverse, false | 35 // Returns true if the enumerator has more entries to traverse, false |
32 // otherwise. | 36 // otherwise. |
33 bool HasMoreEntries() const; | 37 bool HasMoreEntries() const; |
34 | 38 |
35 // Returns true if Next() has been called at least once, and the enumerator | 39 // Returns true if Next() has been called at least once, and the enumerator |
36 // has more entries to traverse. | 40 // has more entries to traverse. |
37 bool IsIndexReadyAndInRange() const; | 41 bool IsIndexReadyAndInRange() const; |
38 | 42 |
39 // List of directory file entries information. | 43 // List of directory file entries information. |
40 const std::vector<MtpFileEntry> file_entries_; | 44 const std::vector<MtpFileEntry> file_entries_; |
41 | 45 |
42 // Index into |file_entries_|. | 46 // Index into |file_entries_|. |
43 // Should only be used when |is_index_ready_| is true. | 47 // Should only be used when |is_index_ready_| is true. |
44 size_t index_; | 48 size_t index_; |
45 | 49 |
46 // Initially false. Set to true after Next() has been called. | 50 // Initially false. Set to true after Next() has been called. |
47 bool is_index_ready_; | 51 bool is_index_ready_; |
48 | 52 |
49 DISALLOW_COPY_AND_ASSIGN(MTPDeviceObjectEnumerator); | 53 DISALLOW_COPY_AND_ASSIGN(MTPDeviceObjectEnumerator); |
50 }; | 54 }; |
51 | 55 |
52 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ | 56 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_OBJECT_ENUMERATOR_H_ |
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