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Side by Side Diff: chrome/browser/media_galleries/linux/mtp_read_file_worker.h

Issue 145303002: Convert Media Galleries to use base::File (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 6 years, 10 months ago
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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_READ_FILE_WORKER_H_ 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_
6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_ 6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
11 #include "base/files/file.h"
11 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
12 #include "base/memory/weak_ptr.h" 13 #include "base/memory/weak_ptr.h"
13 #include "base/platform_file.h"
14 14
15 namespace base { 15 namespace base {
16 class FilePath; 16 class FilePath;
17 } 17 }
18 18
19 class SnapshotFileDetails; 19 class SnapshotFileDetails;
20 struct SnapshotRequestInfo; 20 struct SnapshotRequestInfo;
21 21
22 // Worker class to copy the contents of the media transfer protocol(MTP) device 22 // Worker class to copy the contents of the media transfer protocol(MTP) device
23 // file to the given snapshot file. 23 // file to the given snapshot file.
24 class MTPReadFileWorker { 24 class MTPReadFileWorker {
25 public: 25 public:
26 explicit MTPReadFileWorker(const std::string& device_handle); 26 explicit MTPReadFileWorker(const std::string& device_handle);
27 ~MTPReadFileWorker(); 27 ~MTPReadFileWorker();
28 28
29 // Dispatches the request to MediaTransferProtocolManager to get the media 29 // Dispatches the request to MediaTransferProtocolManager to get the media
30 // file contents. 30 // file contents.
31 // 31 //
32 // |request_info| specifies the snapshot file request params. 32 // |request_info| specifies the snapshot file request params.
33 // |snapshot_file_info| specifies the metadata of the snapshot file. 33 // |snapshot_file_info| specifies the metadata of the snapshot file.
34 void WriteDataIntoSnapshotFile( 34 void WriteDataIntoSnapshotFile(
35 const SnapshotRequestInfo& request_info, 35 const SnapshotRequestInfo& request_info,
36 const base::PlatformFileInfo& snapshot_file_info); 36 const base::File::Info& snapshot_file_info);
37 37
38 private: 38 private:
39 // Called when WriteDataIntoSnapshotFile() completes. 39 // Called when WriteDataIntoSnapshotFile() completes.
40 // 40 //
41 // |snapshot_file_details| contains the current state of the snapshot file 41 // |snapshot_file_details| contains the current state of the snapshot file
42 // (such as how many bytes written to the snapshot file, media device file 42 // (such as how many bytes written to the snapshot file, media device file
43 // path, snapshot file path, bytes remaining, etc). 43 // path, snapshot file path, bytes remaining, etc).
44 // 44 //
45 // If there is an error, |snapshot_file_details.error_callback| is invoked on 45 // If there is an error, |snapshot_file_details.error_callback| is invoked on
46 // the IO thread to notify the caller about the failure. 46 // the IO thread to notify the caller about the failure.
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
80 // The device unique identifier to query the device. 80 // The device unique identifier to query the device.
81 const std::string device_handle_; 81 const std::string device_handle_;
82 82
83 // For callbacks that may run after destruction. 83 // For callbacks that may run after destruction.
84 base::WeakPtrFactory<MTPReadFileWorker> weak_ptr_factory_; 84 base::WeakPtrFactory<MTPReadFileWorker> weak_ptr_factory_;
85 85
86 DISALLOW_COPY_AND_ASSIGN(MTPReadFileWorker); 86 DISALLOW_COPY_AND_ASSIGN(MTPReadFileWorker);
87 }; 87 };
88 88
89 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_ 89 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_READ_FILE_WORKER_H_
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