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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WEBKIT_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_ | |
6 #define WEBKIT_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_ | |
7 | |
8 #include <set> | |
9 #include <string> | |
10 | |
11 #include "base/compiler_specific.h" | |
12 #include "base/files/file_path.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "webkit/browser/fileapi/file_system_backend.h" | |
16 #include "webkit/browser/fileapi/file_system_quota_util.h" | |
17 #include "webkit/browser/fileapi/sandbox_file_system_backend_delegate.h" | |
18 #include "webkit/browser/fileapi/task_runner_bound_observer_list.h" | |
19 #include "webkit/browser/quota/special_storage_policy.h" | |
20 #include "webkit/browser/webkit_storage_browser_export.h" | |
21 | |
22 namespace fileapi { | |
23 | |
24 // TEMPORARY or PERSISTENT filesystems, which are placed under the user's | |
25 // profile directory in a sandboxed way. | |
26 // This interface also lets one enumerate and remove storage for the origins | |
27 // that use the filesystem. | |
28 class WEBKIT_STORAGE_BROWSER_EXPORT SandboxFileSystemBackend | |
29 : public FileSystemBackend { | |
30 public: | |
31 explicit SandboxFileSystemBackend(SandboxFileSystemBackendDelegate* delegate); | |
32 virtual ~SandboxFileSystemBackend(); | |
33 | |
34 // FileSystemBackend overrides. | |
35 virtual bool CanHandleType(FileSystemType type) const OVERRIDE; | |
36 virtual void Initialize(FileSystemContext* context) OVERRIDE; | |
37 virtual void ResolveURL(const FileSystemURL& url, | |
38 OpenFileSystemMode mode, | |
39 const OpenFileSystemCallback& callback) OVERRIDE; | |
40 virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) OVERRIDE; | |
41 virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory( | |
42 FileSystemType type, | |
43 base::File::Error* error_code) OVERRIDE; | |
44 virtual FileSystemOperation* CreateFileSystemOperation( | |
45 const FileSystemURL& url, | |
46 FileSystemContext* context, | |
47 base::File::Error* error_code) const OVERRIDE; | |
48 virtual bool SupportsStreaming(const FileSystemURL& url) const OVERRIDE; | |
49 virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader( | |
50 const FileSystemURL& url, | |
51 int64 offset, | |
52 const base::Time& expected_modification_time, | |
53 FileSystemContext* context) const OVERRIDE; | |
54 virtual scoped_ptr<FileStreamWriter> CreateFileStreamWriter( | |
55 const FileSystemURL& url, | |
56 int64 offset, | |
57 FileSystemContext* context) const OVERRIDE; | |
58 virtual FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE; | |
59 | |
60 // Returns an origin enumerator of this backend. | |
61 // This method can only be called on the file thread. | |
62 SandboxFileSystemBackendDelegate::OriginEnumerator* CreateOriginEnumerator(); | |
63 | |
64 void set_enable_temporary_file_system_in_incognito(bool enable) { | |
65 enable_temporary_file_system_in_incognito_ = enable; | |
66 } | |
67 bool enable_temporary_file_system_in_incognito() const { | |
68 return enable_temporary_file_system_in_incognito_; | |
69 } | |
70 | |
71 | |
72 private: | |
73 SandboxFileSystemBackendDelegate* delegate_; // Not owned. | |
74 | |
75 bool enable_temporary_file_system_in_incognito_; | |
76 | |
77 DISALLOW_COPY_AND_ASSIGN(SandboxFileSystemBackend); | |
78 }; | |
79 | |
80 } // namespace fileapi | |
81 | |
82 #endif // WEBKIT_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_ | |
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