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Side by Side Diff: storage/browser/fileapi/local_file_stream_writer.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_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_ 5 #ifndef WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_
6 #define WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_ 6 #define WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_
7 7
8 #include <utility> 8 #include <utility>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
11 #include "base/compiler_specific.h" 11 #include "base/compiler_specific.h"
12 #include "base/files/file_path.h" 12 #include "base/files/file_path.h"
13 #include "base/gtest_prod_util.h" 13 #include "base/gtest_prod_util.h"
14 #include "base/memory/scoped_ptr.h" 14 #include "base/memory/scoped_ptr.h"
15 #include "base/memory/weak_ptr.h" 15 #include "base/memory/weak_ptr.h"
16 #include "base/task_runner.h" 16 #include "base/task_runner.h"
17 #include "webkit/browser/fileapi/file_stream_writer.h" 17 #include "storage/browser/fileapi/file_stream_writer.h"
18 #include "webkit/browser/webkit_storage_browser_export.h" 18 #include "storage/common/storage_export.h"
19 19
20 namespace content { 20 namespace content {
21 class LocalFileStreamWriterTest; 21 class LocalFileStreamWriterTest;
22 } 22 }
23 23
24 namespace net { 24 namespace net {
25 class FileStream; 25 class FileStream;
26 } 26 }
27 27
28 namespace fileapi { 28 namespace storage {
29 29
30 // This class is a thin wrapper around net::FileStream for writing local files. 30 // This class is a thin wrapper around net::FileStream for writing local files.
31 class WEBKIT_STORAGE_BROWSER_EXPORT LocalFileStreamWriter 31 class STORAGE_EXPORT LocalFileStreamWriter
32 : public NON_EXPORTED_BASE(FileStreamWriter) { 32 : public NON_EXPORTED_BASE(FileStreamWriter) {
33 public: 33 public:
34 virtual ~LocalFileStreamWriter(); 34 virtual ~LocalFileStreamWriter();
35 35
36 // FileStreamWriter overrides. 36 // FileStreamWriter overrides.
37 virtual int Write(net::IOBuffer* buf, int buf_len, 37 virtual int Write(net::IOBuffer* buf,
38 int buf_len,
38 const net::CompletionCallback& callback) OVERRIDE; 39 const net::CompletionCallback& callback) OVERRIDE;
39 virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE; 40 virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE;
40 virtual int Flush(const net::CompletionCallback& callback) OVERRIDE; 41 virtual int Flush(const net::CompletionCallback& callback) OVERRIDE;
41 42
42 private: 43 private:
43 friend class content::LocalFileStreamWriterTest; 44 friend class content::LocalFileStreamWriterTest;
44 friend class FileStreamWriter; 45 friend class FileStreamWriter;
45 LocalFileStreamWriter(base::TaskRunner* task_runner, 46 LocalFileStreamWriter(base::TaskRunner* task_runner,
46 const base::FilePath& file_path, 47 const base::FilePath& file_path,
47 int64 initial_offset, 48 int64 initial_offset,
48 OpenOrCreate open_or_create); 49 OpenOrCreate open_or_create);
49 50
50 // Opens |file_path_| and if it succeeds, proceeds to InitiateSeek(). 51 // Opens |file_path_| and if it succeeds, proceeds to InitiateSeek().
51 // If failed, the error code is returned by calling |error_callback|. 52 // If failed, the error code is returned by calling |error_callback|.
52 int InitiateOpen(const net::CompletionCallback& error_callback, 53 int InitiateOpen(const net::CompletionCallback& error_callback,
53 const base::Closure& main_operation); 54 const base::Closure& main_operation);
54 void DidOpen(const net::CompletionCallback& error_callback, 55 void DidOpen(const net::CompletionCallback& error_callback,
55 const base::Closure& main_operation, 56 const base::Closure& main_operation,
56 int result); 57 int result);
57 58
58 // Seeks to |initial_offset_| and proceeds to |main_operation| if it succeeds. 59 // Seeks to |initial_offset_| and proceeds to |main_operation| if it succeeds.
59 // If failed, the error code is returned by calling |error_callback|. 60 // If failed, the error code is returned by calling |error_callback|.
60 void InitiateSeek(const net::CompletionCallback& error_callback, 61 void InitiateSeek(const net::CompletionCallback& error_callback,
61 const base::Closure& main_operation); 62 const base::Closure& main_operation);
62 void DidSeek(const net::CompletionCallback& error_callback, 63 void DidSeek(const net::CompletionCallback& error_callback,
63 const base::Closure& main_operation, 64 const base::Closure& main_operation,
64 int64 result); 65 int64 result);
65 66
66 // Passed as the |main_operation| of InitiateOpen() function. 67 // Passed as the |main_operation| of InitiateOpen() function.
67 void ReadyToWrite(net::IOBuffer* buf, int buf_len, 68 void ReadyToWrite(net::IOBuffer* buf,
69 int buf_len,
68 const net::CompletionCallback& callback); 70 const net::CompletionCallback& callback);
69 71
70 // Writes asynchronously to the file. 72 // Writes asynchronously to the file.
71 int InitiateWrite(net::IOBuffer* buf, int buf_len, 73 int InitiateWrite(net::IOBuffer* buf,
74 int buf_len,
72 const net::CompletionCallback& callback); 75 const net::CompletionCallback& callback);
73 void DidWrite(const net::CompletionCallback& callback, int result); 76 void DidWrite(const net::CompletionCallback& callback, int result);
74 77
75 // Flushes asynchronously to the file. 78 // Flushes asynchronously to the file.
76 int InitiateFlush(const net::CompletionCallback& callback); 79 int InitiateFlush(const net::CompletionCallback& callback);
77 void DidFlush(const net::CompletionCallback& callback, int result); 80 void DidFlush(const net::CompletionCallback& callback, int result);
78 81
79 // Stops the in-flight operation and calls |cancel_callback_| if it has been 82 // Stops the in-flight operation and calls |cancel_callback_| if it has been
80 // set by Cancel() for the current operation. 83 // set by Cancel() for the current operation.
81 bool CancelIfRequested(); 84 bool CancelIfRequested();
82 85
83 // Initialization parameters. 86 // Initialization parameters.
84 const base::FilePath file_path_; 87 const base::FilePath file_path_;
85 OpenOrCreate open_or_create_; 88 OpenOrCreate open_or_create_;
86 const int64 initial_offset_; 89 const int64 initial_offset_;
87 scoped_refptr<base::TaskRunner> task_runner_; 90 scoped_refptr<base::TaskRunner> task_runner_;
88 91
89 // Current states of the operation. 92 // Current states of the operation.
90 bool has_pending_operation_; 93 bool has_pending_operation_;
91 scoped_ptr<net::FileStream> stream_impl_; 94 scoped_ptr<net::FileStream> stream_impl_;
92 net::CompletionCallback cancel_callback_; 95 net::CompletionCallback cancel_callback_;
93 96
94 base::WeakPtrFactory<LocalFileStreamWriter> weak_factory_; 97 base::WeakPtrFactory<LocalFileStreamWriter> weak_factory_;
95 DISALLOW_COPY_AND_ASSIGN(LocalFileStreamWriter); 98 DISALLOW_COPY_AND_ASSIGN(LocalFileStreamWriter);
96 }; 99 };
97 100
98 } // namespace fileapi 101 } // namespace storage
99 102
100 #endif // WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_ 103 #endif // WEBKIT_BROWSER_FILEAPI_LOCAL_FILE_STREAM_WRITER_H_
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