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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ | |
6 #define WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/callback.h" | |
11 #include "base/file_path.h" | |
12 #include "base/file_util.h" | |
13 #include "base/file_util_proxy.h" | |
14 #include "base/logging.h" | |
15 #include "base/memory/scoped_ptr.h" | |
16 #include "base/platform_file.h" | |
17 #include "webkit/fileapi/file_system_file_util.h" | |
18 #include "webkit/fileapi/file_system_types.h" | |
19 | |
20 namespace base { | |
21 struct PlatformFileInfo; | |
22 class MessageLoopProxy; | |
23 class Time; | |
24 } | |
25 | |
26 class GURL; | |
27 | |
28 namespace fileapi { | |
29 | |
30 using base::PlatformFile; | |
31 using base::PlatformFileError; | |
32 | |
33 class FileSystemOperationContext; | |
34 | |
35 // An instance of this class is created and owned by *MountPointProvider. | |
36 class LocalFileSystemFileUtil : public FileSystemFileUtil { | |
37 public: | |
38 // |underlying_file_util| is owned by the instance. It will be deleted by | |
39 // the owner instance. For example, it can be instanciated as follows: | |
40 // FileSystemFileUtil* file_system_file_util = | |
41 // new LocalFileSystemFileUtil(new FileSystemFileUtil()); | |
42 explicit LocalFileSystemFileUtil(FileSystemFileUtil* underlying_file_util); | |
43 virtual ~LocalFileSystemFileUtil(); | |
44 | |
45 virtual PlatformFileError CreateOrOpen( | |
46 FileSystemOperationContext* context, | |
47 const FilePath& file_path, | |
48 int file_flags, | |
49 PlatformFile* file_handle, | |
50 bool* created); | |
51 | |
52 virtual PlatformFileError EnsureFileExists( | |
53 FileSystemOperationContext* context, | |
54 const FilePath& file_path, bool* created); | |
55 | |
56 virtual PlatformFileError GetLocalFilePath( | |
57 FileSystemOperationContext* context, | |
58 const FilePath& virtual_file, | |
59 FilePath* local_path); | |
60 | |
61 virtual PlatformFileError GetFileInfo( | |
62 FileSystemOperationContext* context, | |
63 const FilePath& file, | |
64 base::PlatformFileInfo* file_info, | |
65 FilePath* platform_file); | |
66 | |
67 virtual PlatformFileError ReadDirectory( | |
68 FileSystemOperationContext* context, | |
69 const FilePath& file_path, | |
70 std::vector<base::FileUtilProxy::Entry>* entries); | |
71 | |
72 virtual PlatformFileError CreateDirectory( | |
73 FileSystemOperationContext* context, | |
74 const FilePath& file_path, | |
75 bool exclusive, | |
76 bool recursive); | |
77 | |
78 virtual PlatformFileError CopyOrMoveFile( | |
79 FileSystemOperationContext* context, | |
80 const FilePath& src_file_path, | |
81 const FilePath& dest_file_path, | |
82 bool copy); | |
83 | |
84 virtual PlatformFileError CopyInForeignFile( | |
85 FileSystemOperationContext* context, | |
86 const FilePath& src_file_path, | |
87 const FilePath& dest_file_path); | |
88 | |
89 virtual PlatformFileError DeleteFile( | |
90 FileSystemOperationContext* context, | |
91 const FilePath& file_path); | |
92 | |
93 virtual PlatformFileError DeleteSingleDirectory( | |
94 FileSystemOperationContext* context, | |
95 const FilePath& file_path); | |
96 | |
97 virtual PlatformFileError Touch( | |
98 FileSystemOperationContext* context, | |
99 const FilePath& file_path, | |
100 const base::Time& last_access_time, | |
101 const base::Time& last_modified_time); | |
102 | |
103 virtual PlatformFileError Truncate( | |
104 FileSystemOperationContext* context, | |
105 const FilePath& path, | |
106 int64 length); | |
107 | |
108 virtual bool PathExists( | |
109 FileSystemOperationContext* context, | |
110 const FilePath& file_path); | |
111 | |
112 virtual bool DirectoryExists( | |
113 FileSystemOperationContext* context, | |
114 const FilePath& file_path); | |
115 | |
116 virtual bool IsDirectoryEmpty( | |
117 FileSystemOperationContext* context, | |
118 const FilePath& file_path); | |
119 | |
120 virtual AbstractFileEnumerator* CreateFileEnumerator( | |
121 FileSystemOperationContext* context, | |
122 const FilePath& root_path); | |
123 | |
124 private: | |
125 // Given the filesystem's root URL and a virtual path, produces a real, full | |
126 // local path. | |
127 FilePath GetLocalPath( | |
128 FileSystemOperationContext* context, | |
129 const GURL& origin_url, | |
130 FileSystemType type, | |
131 const FilePath& virtual_path); | |
132 | |
133 scoped_ptr<FileSystemFileUtil> underlying_file_util_; | |
134 | |
135 DISALLOW_COPY_AND_ASSIGN(LocalFileSystemFileUtil); | |
136 }; | |
137 | |
138 } // namespace fileapi | |
139 | |
140 #endif // WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ | |
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