OLD | NEW |
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 // This file has several utility functions to open a media transfer protocol | 5 // This file has several utility functions to open a media transfer protocol |
6 // (MTP) device for communication, to enumerate the device contents, to read the | 6 // (MTP) device for communication, to enumerate the device contents, to read the |
7 // device file object, etc. All these tasks may take an arbitary long time | 7 // device file object, etc. All these tasks may take an arbitary long time |
8 // to complete. This file segregates those functionalities and runs them | 8 // to complete. This file segregates those functionalities and runs them |
9 // in the blocking pool thread rather than in the UI thread. | 9 // in the blocking pool thread rather than in the UI thread. |
10 | 10 |
11 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ | 11 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ |
12 #define CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ | 12 #define CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ |
13 | 13 |
14 #include <portabledeviceapi.h> | 14 #include <portabledeviceapi.h> |
15 | 15 |
16 #include <string> | 16 #include <string> |
17 | 17 |
18 #include "base/platform_file.h" | 18 #include "base/files/file.h" |
19 #include "base/strings/string16.h" | 19 #include "base/strings/string16.h" |
20 #include "base/win/scoped_comptr.h" | 20 #include "base/win/scoped_comptr.h" |
21 #include "chrome/browser/media_galleries/win/mtp_device_object_entry.h" | 21 #include "chrome/browser/media_galleries/win/mtp_device_object_entry.h" |
22 | 22 |
23 namespace media_transfer_protocol { | 23 namespace media_transfer_protocol { |
24 | 24 |
25 // Opens the device for communication. |pnp_device_id| specifies the plug and | 25 // Opens the device for communication. |pnp_device_id| specifies the plug and |
26 // play device ID string. On success, returns the IPortableDevice interface. | 26 // play device ID string. On success, returns the IPortableDevice interface. |
27 // On failure, returns NULL. | 27 // On failure, returns NULL. |
28 base::win::ScopedComPtr<IPortableDevice> OpenDevice( | 28 base::win::ScopedComPtr<IPortableDevice> OpenDevice( |
29 const base::string16& pnp_device_id); | 29 const base::string16& pnp_device_id); |
30 | 30 |
31 // Gets the details of the object specified by |object_id| from the given MTP | 31 // Gets the details of the object specified by |object_id| from the given MTP |
32 // |device|. On success, returns no error (base::PLATFORM_FILE_OK) and fills in | 32 // |device|. On success, returns no error (base::PLATFORM_FILE_OK) and fills in |
33 // |file_entry_info|. On failure, returns the corresponding platform file error | 33 // |file_entry_info|. On failure, returns the corresponding platform file error |
34 // and |file_entry_info| is not set. | 34 // and |file_entry_info| is not set. |
35 base::PlatformFileError GetFileEntryInfo( | 35 base::File::Error GetFileEntryInfo( |
36 IPortableDevice* device, | 36 IPortableDevice* device, |
37 const base::string16& object_id, | 37 const base::string16& object_id, |
38 base::PlatformFileInfo* file_entry_info); | 38 base::File::Info* file_entry_info); |
39 | 39 |
40 // Gets the entries of the directory specified by |directory_object_id| from | 40 // Gets the entries of the directory specified by |directory_object_id| from |
41 // the given MTP |device|. On success, returns true and fills in | 41 // the given MTP |device|. On success, returns true and fills in |
42 // |object_entries|. On failure, returns false and |object_entries| is not | 42 // |object_entries|. On failure, returns false and |object_entries| is not |
43 // set. | 43 // set. |
44 bool GetDirectoryEntries(IPortableDevice* device, | 44 bool GetDirectoryEntries(IPortableDevice* device, |
45 const base::string16& directory_object_id, | 45 const base::string16& directory_object_id, |
46 MTPDeviceObjectEntries* object_entries); | 46 MTPDeviceObjectEntries* object_entries); |
47 | 47 |
48 // Gets an IStream interface to read the object content data from the |device|. | 48 // Gets an IStream interface to read the object content data from the |device|. |
(...skipping 24 matching lines...) Expand all Loading... |
73 // Returns the identifier of the object specified by the |object_name|. | 73 // Returns the identifier of the object specified by the |object_name|. |
74 // |parent_id| specifies the object's parent identifier. | 74 // |parent_id| specifies the object's parent identifier. |
75 // |object_name| specifies the friendly name of the object. | 75 // |object_name| specifies the friendly name of the object. |
76 base::string16 GetObjectIdFromName(IPortableDevice* device, | 76 base::string16 GetObjectIdFromName(IPortableDevice* device, |
77 const base::string16& parent_id, | 77 const base::string16& parent_id, |
78 const base::string16& object_name); | 78 const base::string16& object_name); |
79 | 79 |
80 } // namespace media_transfer_protocol | 80 } // namespace media_transfer_protocol |
81 | 81 |
82 #endif // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ | 82 #endif // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ |
OLD | NEW |