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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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 #include "components/drive/local_file_reader.h" | 5 #include "components/drive/local_file_reader.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/sequenced_task_runner.h" | 9 #include "base/sequenced_task_runner.h" |
10 #include "net/base/completion_callback.h" | 10 #include "net/base/completion_callback.h" |
11 #include "net/base/io_buffer.h" | 11 #include "net/base/io_buffer.h" |
12 #include "net/base/net_errors.h" | 12 #include "net/base/net_errors.h" |
13 | 13 |
14 namespace drive { | 14 namespace drive { |
15 namespace util { | 15 namespace util { |
16 | 16 |
17 LocalFileReader::LocalFileReader( | 17 LocalFileReader::LocalFileReader( |
18 base::SequencedTaskRunner* sequenced_task_runner) | 18 base::SequencedTaskRunner* sequenced_task_runner) |
19 : file_stream_(sequenced_task_runner), | 19 : file_stream_(sequenced_task_runner), |
20 weak_ptr_factory_(this) { | 20 weak_ptr_factory_(this) { |
21 } | 21 } |
22 | 22 |
23 LocalFileReader::~LocalFileReader() { | 23 LocalFileReader::~LocalFileReader() { |
24 } | 24 } |
25 | 25 |
26 void LocalFileReader::Open(const base::FilePath& file_path, | 26 void LocalFileReader::Open(const base::FilePath& file_path, |
27 int64 offset, | 27 int64_t offset, |
28 const net::CompletionCallback& callback) { | 28 const net::CompletionCallback& callback) { |
29 DCHECK(!callback.is_null()); | 29 DCHECK(!callback.is_null()); |
30 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | 30 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | |
31 base::File::FLAG_ASYNC; | 31 base::File::FLAG_ASYNC; |
32 | 32 |
33 int rv = file_stream_.Open(file_path, flags, | 33 int rv = file_stream_.Open(file_path, flags, |
34 Bind(&LocalFileReader::DidOpen, | 34 Bind(&LocalFileReader::DidOpen, |
35 weak_ptr_factory_.GetWeakPtr(), | 35 weak_ptr_factory_.GetWeakPtr(), |
36 callback, offset)); | 36 callback, offset)); |
37 DCHECK_EQ(rv, net::ERR_IO_PENDING); | 37 DCHECK_EQ(rv, net::ERR_IO_PENDING); |
38 } | 38 } |
39 | 39 |
40 void LocalFileReader::Read(net::IOBuffer* in_buffer, | 40 void LocalFileReader::Read(net::IOBuffer* in_buffer, |
41 int buffer_length, | 41 int buffer_length, |
42 const net::CompletionCallback& callback) { | 42 const net::CompletionCallback& callback) { |
43 DCHECK(!callback.is_null()); | 43 DCHECK(!callback.is_null()); |
44 DCHECK(file_stream_.IsOpen()); | 44 DCHECK(file_stream_.IsOpen()); |
45 int rv = file_stream_.Read(in_buffer, buffer_length, callback); | 45 int rv = file_stream_.Read(in_buffer, buffer_length, callback); |
46 DCHECK_EQ(rv, net::ERR_IO_PENDING); | 46 DCHECK_EQ(rv, net::ERR_IO_PENDING); |
47 } | 47 } |
48 | 48 |
49 void LocalFileReader::DidOpen(const net::CompletionCallback& callback, | 49 void LocalFileReader::DidOpen(const net::CompletionCallback& callback, |
50 int64 offset, | 50 int64_t offset, |
51 int error) { | 51 int error) { |
52 if (error != net::OK) | 52 if (error != net::OK) |
53 return callback.Run(error); | 53 return callback.Run(error); |
54 | 54 |
55 int rv = file_stream_.Seek( | 55 int rv = file_stream_.Seek( |
56 offset, Bind(&LocalFileReader::DidSeek, weak_ptr_factory_.GetWeakPtr(), | 56 offset, Bind(&LocalFileReader::DidSeek, weak_ptr_factory_.GetWeakPtr(), |
57 callback, offset)); | 57 callback, offset)); |
58 DCHECK_EQ(rv, net::ERR_IO_PENDING); | 58 DCHECK_EQ(rv, net::ERR_IO_PENDING); |
59 } | 59 } |
60 | 60 |
61 void LocalFileReader::DidSeek(const net::CompletionCallback& callback, | 61 void LocalFileReader::DidSeek(const net::CompletionCallback& callback, |
62 int64 offset, | 62 int64_t offset, |
63 int64 error) { | 63 int64_t error) { |
64 callback.Run(error == offset ? net::OK : net::ERR_FAILED); | 64 callback.Run(error == offset ? net::OK : net::ERR_FAILED); |
65 } | 65 } |
66 | 66 |
67 } // namespace util | 67 } // namespace util |
68 } // namespace drive | 68 } // namespace drive |
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