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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_ASYNC_FILE_UTIL_ADAPTER_H_ | 5 #include "storage/browser/fileapi/async_file_util_adapter.h" |
6 #define WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "webkit/browser/fileapi/async_file_util.h" | |
10 | |
11 namespace storage { | |
12 | |
13 class FileSystemFileUtil; | |
14 | |
15 // An adapter class for FileSystemFileUtil classes to provide asynchronous | |
16 // interface. | |
17 // | |
18 // A filesystem can do either: | |
19 // - implement a synchronous version of FileUtil by extending | |
20 // FileSystemFileUtil and atach it to this adapter, or | |
21 // - directly implement AsyncFileUtil. | |
22 // | |
23 // This instance (as thus this->sync_file_util_) is guaranteed to be alive | |
24 // as far as FileSystemOperationContext given to each operation is kept alive. | |
25 class STORAGE_EXPORT AsyncFileUtilAdapter | |
26 : public NON_EXPORTED_BASE(AsyncFileUtil) { | |
27 public: | |
28 // Creates a new AsyncFileUtil for |sync_file_util|. This takes the | |
29 // ownership of |sync_file_util|. (This doesn't take scoped_ptr<> just | |
30 // to save extra make_scoped_ptr; in all use cases a new fresh FileUtil is | |
31 // created only for this adapter.) | |
32 explicit AsyncFileUtilAdapter(FileSystemFileUtil* sync_file_util); | |
33 | |
34 virtual ~AsyncFileUtilAdapter(); | |
35 | |
36 FileSystemFileUtil* sync_file_util() { | |
37 return sync_file_util_.get(); | |
38 } | |
39 | |
40 // AsyncFileUtil overrides. | |
41 virtual void CreateOrOpen( | |
42 scoped_ptr<FileSystemOperationContext> context, | |
43 const FileSystemURL& url, | |
44 int file_flags, | |
45 const CreateOrOpenCallback& callback) OVERRIDE; | |
46 virtual void EnsureFileExists( | |
47 scoped_ptr<FileSystemOperationContext> context, | |
48 const FileSystemURL& url, | |
49 const EnsureFileExistsCallback& callback) OVERRIDE; | |
50 virtual void CreateDirectory( | |
51 scoped_ptr<FileSystemOperationContext> context, | |
52 const FileSystemURL& url, | |
53 bool exclusive, | |
54 bool recursive, | |
55 const StatusCallback& callback) OVERRIDE; | |
56 virtual void GetFileInfo( | |
57 scoped_ptr<FileSystemOperationContext> context, | |
58 const FileSystemURL& url, | |
59 const GetFileInfoCallback& callback) OVERRIDE; | |
60 virtual void ReadDirectory( | |
61 scoped_ptr<FileSystemOperationContext> context, | |
62 const FileSystemURL& url, | |
63 const ReadDirectoryCallback& callback) OVERRIDE; | |
64 virtual void Touch( | |
65 scoped_ptr<FileSystemOperationContext> context, | |
66 const FileSystemURL& url, | |
67 const base::Time& last_access_time, | |
68 const base::Time& last_modified_time, | |
69 const StatusCallback& callback) OVERRIDE; | |
70 virtual void Truncate( | |
71 scoped_ptr<FileSystemOperationContext> context, | |
72 const FileSystemURL& url, | |
73 int64 length, | |
74 const StatusCallback& callback) OVERRIDE; | |
75 virtual void CopyFileLocal( | |
76 scoped_ptr<FileSystemOperationContext> context, | |
77 const FileSystemURL& src_url, | |
78 const FileSystemURL& dest_url, | |
79 CopyOrMoveOption option, | |
80 const CopyFileProgressCallback& progress_callback, | |
81 const StatusCallback& callback) OVERRIDE; | |
82 virtual void MoveFileLocal( | |
83 scoped_ptr<FileSystemOperationContext> context, | |
84 const FileSystemURL& src_url, | |
85 const FileSystemURL& dest_url, | |
86 CopyOrMoveOption option, | |
87 const StatusCallback& callback) OVERRIDE; | |
88 virtual void CopyInForeignFile( | |
89 scoped_ptr<FileSystemOperationContext> context, | |
90 const base::FilePath& src_file_path, | |
91 const FileSystemURL& dest_url, | |
92 const StatusCallback& callback) OVERRIDE; | |
93 virtual void DeleteFile( | |
94 scoped_ptr<FileSystemOperationContext> context, | |
95 const FileSystemURL& url, | |
96 const StatusCallback& callback) OVERRIDE; | |
97 virtual void DeleteDirectory( | |
98 scoped_ptr<FileSystemOperationContext> context, | |
99 const FileSystemURL& url, | |
100 const StatusCallback& callback) OVERRIDE; | |
101 virtual void DeleteRecursively( | |
102 scoped_ptr<FileSystemOperationContext> context, | |
103 const FileSystemURL& url, | |
104 const StatusCallback& callback) OVERRIDE; | |
105 virtual void CreateSnapshotFile( | |
106 scoped_ptr<FileSystemOperationContext> context, | |
107 const FileSystemURL& url, | |
108 const CreateSnapshotFileCallback& callback) OVERRIDE; | |
109 | |
110 private: | |
111 scoped_ptr<FileSystemFileUtil> sync_file_util_; | |
112 | |
113 DISALLOW_COPY_AND_ASSIGN(AsyncFileUtilAdapter); | |
114 }; | |
115 | |
116 } // namespace storage | |
117 | |
118 #endif // WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ | |
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