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Side by Side Diff: storage/browser/blob/local_file_stream_reader.h

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 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 WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_ 5 #ifndef WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_
6 #define WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_ 6 #define WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h" 9 #include "base/compiler_specific.h"
10 #include "base/files/file.h" 10 #include "base/files/file.h"
11 #include "base/files/file_path.h" 11 #include "base/files/file_path.h"
12 #include "base/memory/weak_ptr.h" 12 #include "base/memory/weak_ptr.h"
13 #include "base/time/time.h" 13 #include "base/time/time.h"
14 #include "webkit/browser/blob/file_stream_reader.h" 14 #include "storage/browser/blob/file_stream_reader.h"
15 #include "webkit/browser/webkit_storage_browser_export.h" 15 #include "storage/common/storage_export.h"
16 16
17 namespace base { 17 namespace base {
18 class TaskRunner; 18 class TaskRunner;
19 } 19 }
20 20
21 namespace content { 21 namespace content {
22 class LocalFileStreamReaderTest; 22 class LocalFileStreamReaderTest;
23 } 23 }
24 24
25 namespace net { 25 namespace net {
26 class FileStream; 26 class FileStream;
27 } 27 }
28 28
29 namespace webkit_blob { 29 namespace storage {
30 30
31 // A thin wrapper of net::FileStream with range support for sliced file 31 // A thin wrapper of net::FileStream with range support for sliced file
32 // handling. 32 // handling.
33 class WEBKIT_STORAGE_BROWSER_EXPORT LocalFileStreamReader 33 class STORAGE_EXPORT LocalFileStreamReader
34 : public NON_EXPORTED_BASE(FileStreamReader) { 34 : public NON_EXPORTED_BASE(FileStreamReader) {
35 public: 35 public:
36 virtual ~LocalFileStreamReader(); 36 virtual ~LocalFileStreamReader();
37 37
38 // FileStreamReader overrides. 38 // FileStreamReader overrides.
39 virtual int Read(net::IOBuffer* buf, int buf_len, 39 virtual int Read(net::IOBuffer* buf,
40 int buf_len,
40 const net::CompletionCallback& callback) OVERRIDE; 41 const net::CompletionCallback& callback) OVERRIDE;
41 virtual int64 GetLength( 42 virtual int64 GetLength(
42 const net::Int64CompletionCallback& callback) OVERRIDE; 43 const net::Int64CompletionCallback& callback) OVERRIDE;
43 44
44 private: 45 private:
45 friend class FileStreamReader; 46 friend class FileStreamReader;
46 friend class content::LocalFileStreamReaderTest; 47 friend class content::LocalFileStreamReaderTest;
47 48
48 LocalFileStreamReader(base::TaskRunner* task_runner, 49 LocalFileStreamReader(base::TaskRunner* task_runner,
49 const base::FilePath& file_path, 50 const base::FilePath& file_path,
50 int64 initial_offset, 51 int64 initial_offset,
51 const base::Time& expected_modification_time); 52 const base::Time& expected_modification_time);
52 int Open(const net::CompletionCallback& callback); 53 int Open(const net::CompletionCallback& callback);
53 54
54 // Callbacks that are chained from Open for Read. 55 // Callbacks that are chained from Open for Read.
55 void DidVerifyForOpen(const net::CompletionCallback& callback, 56 void DidVerifyForOpen(const net::CompletionCallback& callback,
56 int64 get_length_result); 57 int64 get_length_result);
57 void DidOpenFileStream(const net::CompletionCallback& callback, 58 void DidOpenFileStream(const net::CompletionCallback& callback, int result);
58 int result);
59 void DidSeekFileStream(const net::CompletionCallback& callback, 59 void DidSeekFileStream(const net::CompletionCallback& callback,
60 int64 seek_result); 60 int64 seek_result);
61 void DidOpenForRead(net::IOBuffer* buf, 61 void DidOpenForRead(net::IOBuffer* buf,
62 int buf_len, 62 int buf_len,
63 const net::CompletionCallback& callback, 63 const net::CompletionCallback& callback,
64 int open_result); 64 int open_result);
65 65
66 void DidGetFileInfoForGetLength(const net::Int64CompletionCallback& callback, 66 void DidGetFileInfoForGetLength(const net::Int64CompletionCallback& callback,
67 base::File::Error error, 67 base::File::Error error,
68 const base::File::Info& file_info); 68 const base::File::Info& file_info);
69 69
70 scoped_refptr<base::TaskRunner> task_runner_; 70 scoped_refptr<base::TaskRunner> task_runner_;
71 scoped_ptr<net::FileStream> stream_impl_; 71 scoped_ptr<net::FileStream> stream_impl_;
72 const base::FilePath file_path_; 72 const base::FilePath file_path_;
73 const int64 initial_offset_; 73 const int64 initial_offset_;
74 const base::Time expected_modification_time_; 74 const base::Time expected_modification_time_;
75 bool has_pending_open_; 75 bool has_pending_open_;
76 base::WeakPtrFactory<LocalFileStreamReader> weak_factory_; 76 base::WeakPtrFactory<LocalFileStreamReader> weak_factory_;
77 }; 77 };
78 78
79 } // namespace webkit_blob 79 } // namespace storage
80 80
81 #endif // WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_ 81 #endif // WEBKIT_BROWSER_BLOB_LOCAL_FILE_STREAM_READER_H_
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