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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/platform_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 chrome { | |
24 | |
25 namespace media_transfer_protocol { | 23 namespace media_transfer_protocol { |
26 | 24 |
27 // 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 |
28 // play device ID string. On success, returns the IPortableDevice interface. | 26 // play device ID string. On success, returns the IPortableDevice interface. |
29 // On failure, returns NULL. | 27 // On failure, returns NULL. |
30 base::win::ScopedComPtr<IPortableDevice> OpenDevice( | 28 base::win::ScopedComPtr<IPortableDevice> OpenDevice( |
31 const string16& pnp_device_id); | 29 const string16& pnp_device_id); |
32 | 30 |
33 // 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 |
34 // |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 |
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74 | 72 |
75 // Returns the identifier of the object specified by the |object_name|. | 73 // Returns the identifier of the object specified by the |object_name|. |
76 // |parent_id| specifies the object's parent identifier. | 74 // |parent_id| specifies the object's parent identifier. |
77 // |object_name| specifies the friendly name of the object. | 75 // |object_name| specifies the friendly name of the object. |
78 string16 GetObjectIdFromName(IPortableDevice* device, | 76 string16 GetObjectIdFromName(IPortableDevice* device, |
79 const string16& parent_id, | 77 const string16& parent_id, |
80 const string16& object_name); | 78 const string16& object_name); |
81 | 79 |
82 } // namespace media_transfer_protocol | 80 } // namespace media_transfer_protocol |
83 | 81 |
84 } // namespace chrome | |
85 | |
86 #endif // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ | 82 #endif // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OPERATIONS_UTIL_H_ |
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