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Side by Side Diff: webkit/browser/fileapi/file_stream_writer.h

Issue 498273002: Rename storage-related export macros and build targets (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 3 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_FILE_STREAM_WRITER_H_ 5 #ifndef WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_
6 #define WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_ 6 #define WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "net/base/completion_callback.h" 9 #include "net/base/completion_callback.h"
10 #include "webkit/browser/webkit_storage_browser_export.h" 10 #include "webkit/browser/storage_export.h"
11 11
12 namespace base { 12 namespace base {
13 class FilePath; 13 class FilePath;
14 class TaskRunner; 14 class TaskRunner;
15 } 15 }
16 16
17 namespace net { 17 namespace net {
18 class IOBuffer; 18 class IOBuffer;
19 } 19 }
20 20
21 namespace storage { 21 namespace storage {
22 22
23 // A generic interface for writing to a file-like object. 23 // A generic interface for writing to a file-like object.
24 class FileStreamWriter { 24 class FileStreamWriter {
25 public: 25 public:
26 enum OpenOrCreate { OPEN_EXISTING_FILE, CREATE_NEW_FILE }; 26 enum OpenOrCreate { OPEN_EXISTING_FILE, CREATE_NEW_FILE };
27 27
28 // Creates a writer for the existing file in the path |file_path| starting 28 // Creates a writer for the existing file in the path |file_path| starting
29 // from |initial_offset|. Uses |task_runner| for async file operations. 29 // from |initial_offset|. Uses |task_runner| for async file operations.
30 WEBKIT_STORAGE_BROWSER_EXPORT static FileStreamWriter* CreateForLocalFile( 30 STORAGE_EXPORT static FileStreamWriter* CreateForLocalFile(
31 base::TaskRunner* task_runner, 31 base::TaskRunner* task_runner,
32 const base::FilePath& file_path, 32 const base::FilePath& file_path,
33 int64 initial_offset, 33 int64 initial_offset,
34 OpenOrCreate open_or_create); 34 OpenOrCreate open_or_create);
35 35
36 // Closes the file. If there's an in-flight operation, it is canceled (i.e., 36 // Closes the file. If there's an in-flight operation, it is canceled (i.e.,
37 // the callback function associated with the operation is not called). 37 // the callback function associated with the operation is not called).
38 virtual ~FileStreamWriter() {} 38 virtual ~FileStreamWriter() {}
39 39
40 // Writes to the current cursor position asynchronously. 40 // Writes to the current cursor position asynchronously.
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
78 // is returned, and the callback will be run on the thread where Flush() was 78 // is returned, and the callback will be run on the thread where Flush() was
79 // called when the flush has completed. 79 // called when the flush has completed.
80 // 80 //
81 // It is invalid to call Flush while there is an in-flight async operation. 81 // It is invalid to call Flush while there is an in-flight async operation.
82 virtual int Flush(const net::CompletionCallback& callback) = 0; 82 virtual int Flush(const net::CompletionCallback& callback) = 0;
83 }; 83 };
84 84
85 } // namespace storage 85 } // namespace storage
86 86
87 #endif // WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_ 87 #endif // WEBKIT_BROWSER_FILEAPI_FILE_STREAM_WRITER_H_
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