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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_SYSTEM_FILE_UTIL_H_ | 5 #ifndef WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_ |
6 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_ | 6 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_ |
7 | 7 |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/platform_file.h" | 10 #include "base/platform_file.h" |
| 11 #include "webkit/browser/webkit_storage_browser_export.h" |
11 #include "webkit/common/blob/scoped_file.h" | 12 #include "webkit/common/blob/scoped_file.h" |
12 #include "webkit/storage/webkit_storage_export.h" | |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 class Time; | 15 class Time; |
16 } | 16 } |
17 | 17 |
18 namespace fileapi { | 18 namespace fileapi { |
19 | 19 |
20 class FileSystemOperationContext; | 20 class FileSystemOperationContext; |
21 class FileSystemURL; | 21 class FileSystemURL; |
22 | 22 |
23 // A file utility interface that provides basic file utility methods for | 23 // A file utility interface that provides basic file utility methods for |
24 // FileSystem API. | 24 // FileSystem API. |
25 // | 25 // |
26 // Layering structure of the FileSystemFileUtil was split out. | 26 // Layering structure of the FileSystemFileUtil was split out. |
27 // See http://crbug.com/128136 if you need it. | 27 // See http://crbug.com/128136 if you need it. |
28 class WEBKIT_STORAGE_EXPORT FileSystemFileUtil { | 28 class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemFileUtil { |
29 public: | 29 public: |
30 // It will be implemented by each subclass such as FileSystemFileEnumerator. | 30 // It will be implemented by each subclass such as FileSystemFileEnumerator. |
31 class WEBKIT_STORAGE_EXPORT AbstractFileEnumerator { | 31 class WEBKIT_STORAGE_BROWSER_EXPORT AbstractFileEnumerator { |
32 public: | 32 public: |
33 virtual ~AbstractFileEnumerator() {} | 33 virtual ~AbstractFileEnumerator() {} |
34 | 34 |
35 // Returns an empty string if there are no more results. | 35 // Returns an empty string if there are no more results. |
36 virtual base::FilePath Next() = 0; | 36 virtual base::FilePath Next() = 0; |
37 | 37 |
38 // These methods return metadata for the file most recently returned by | 38 // These methods return metadata for the file most recently returned by |
39 // Next(). If Next() has never been called, or if Next() most recently | 39 // Next(). If Next() has never been called, or if Next() most recently |
40 // returned an empty string, then return the default values of 0, | 40 // returned an empty string, then return the default values of 0, |
41 // "null time", and false, respectively. | 41 // "null time", and false, respectively. |
42 virtual int64 Size() = 0; | 42 virtual int64 Size() = 0; |
43 virtual base::Time LastModifiedTime() = 0; | 43 virtual base::Time LastModifiedTime() = 0; |
44 virtual bool IsDirectory() = 0; | 44 virtual bool IsDirectory() = 0; |
45 }; | 45 }; |
46 | 46 |
47 class WEBKIT_STORAGE_EXPORT EmptyFileEnumerator | 47 class WEBKIT_STORAGE_BROWSER_EXPORT EmptyFileEnumerator |
48 : public AbstractFileEnumerator { | 48 : public AbstractFileEnumerator { |
49 virtual base::FilePath Next() OVERRIDE; | 49 virtual base::FilePath Next() OVERRIDE; |
50 virtual int64 Size() OVERRIDE; | 50 virtual int64 Size() OVERRIDE; |
51 virtual base::Time LastModifiedTime() OVERRIDE; | 51 virtual base::Time LastModifiedTime() OVERRIDE; |
52 virtual bool IsDirectory() OVERRIDE; | 52 virtual bool IsDirectory() OVERRIDE; |
53 }; | 53 }; |
54 | 54 |
55 virtual ~FileSystemFileUtil() {} | 55 virtual ~FileSystemFileUtil() {} |
56 | 56 |
57 // Creates or opens a file with the given flags. | 57 // Creates or opens a file with the given flags. |
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180 protected: | 180 protected: |
181 FileSystemFileUtil() {} | 181 FileSystemFileUtil() {} |
182 | 182 |
183 private: | 183 private: |
184 DISALLOW_COPY_AND_ASSIGN(FileSystemFileUtil); | 184 DISALLOW_COPY_AND_ASSIGN(FileSystemFileUtil); |
185 }; | 185 }; |
186 | 186 |
187 } // namespace fileapi | 187 } // namespace fileapi |
188 | 188 |
189 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_ | 189 #endif // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_FILE_UTIL_H_ |
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