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| 1 // Copyright (c) 2013 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_ASYNC_FILE_UTIL_ADAPTER_H_ | |
| 6 #define WEBKIT_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "webkit/fileapi/async_file_util.h" | |
| 10 | |
| 11 namespace fileapi { | |
| 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 class WEBKIT_STORAGE_EXPORT_PRIVATE AsyncFileUtilAdapter | |
| 24 : public AsyncFileUtil { | |
| 25 public: | |
| 26 // Creates a new AsyncFileUtil for |sync_file_util|. This takes the | |
| 27 // ownership of |sync_file_util|. (This doesn't take scoped_ptr<> just | |
| 28 // to save extra make_scoped_ptr; in all use cases a new fresh FileUtil is | |
| 29 // created only for this adapter.) | |
| 30 explicit AsyncFileUtilAdapter(FileSystemFileUtil* sync_file_util); | |
| 31 | |
| 32 virtual ~AsyncFileUtilAdapter(); | |
| 33 | |
| 34 FileSystemFileUtil* sync_file_util() { | |
| 35 return sync_file_util_.get(); | |
| 36 } | |
| 37 | |
| 38 // AsyncFileUtil overrides. | |
| 39 virtual bool CreateOrOpen( | |
| 40 FileSystemOperationContext* context, | |
| 41 const FileSystemURL& url, | |
| 42 int file_flags, | |
| 43 const CreateOrOpenCallback& callback) OVERRIDE; | |
| 44 virtual bool EnsureFileExists( | |
| 45 FileSystemOperationContext* context, | |
| 46 const FileSystemURL& url, | |
| 47 const EnsureFileExistsCallback& callback) OVERRIDE; | |
| 48 virtual bool CreateDirectory( | |
| 49 FileSystemOperationContext* context, | |
| 50 const FileSystemURL& url, | |
| 51 bool exclusive, | |
| 52 bool recursive, | |
| 53 const StatusCallback& callback) OVERRIDE; | |
| 54 virtual bool GetFileInfo( | |
| 55 FileSystemOperationContext* context, | |
| 56 const FileSystemURL& url, | |
| 57 const GetFileInfoCallback& callback) OVERRIDE; | |
| 58 virtual bool ReadDirectory( | |
| 59 FileSystemOperationContext* context, | |
| 60 const FileSystemURL& url, | |
| 61 const ReadDirectoryCallback& callback) OVERRIDE; | |
| 62 virtual bool Touch( | |
| 63 FileSystemOperationContext* context, | |
| 64 const FileSystemURL& url, | |
| 65 const base::Time& last_access_time, | |
| 66 const base::Time& last_modified_time, | |
| 67 const StatusCallback& callback) OVERRIDE; | |
| 68 virtual bool Truncate( | |
| 69 FileSystemOperationContext* context, | |
| 70 const FileSystemURL& url, | |
| 71 int64 length, | |
| 72 const StatusCallback& callback) OVERRIDE; | |
| 73 virtual bool CopyFileLocal( | |
| 74 FileSystemOperationContext* context, | |
| 75 const FileSystemURL& src_url, | |
| 76 const FileSystemURL& dest_url, | |
| 77 const StatusCallback& callback) OVERRIDE; | |
| 78 virtual bool MoveFileLocal( | |
| 79 FileSystemOperationContext* context, | |
| 80 const FileSystemURL& src_url, | |
| 81 const FileSystemURL& dest_url, | |
| 82 const StatusCallback& callback) OVERRIDE; | |
| 83 virtual bool CopyInForeignFile( | |
| 84 FileSystemOperationContext* context, | |
| 85 const base::FilePath& src_file_path, | |
| 86 const FileSystemURL& dest_url, | |
| 87 const StatusCallback& callback) OVERRIDE; | |
| 88 virtual bool DeleteFile( | |
| 89 FileSystemOperationContext* context, | |
| 90 const FileSystemURL& url, | |
| 91 const StatusCallback& callback) OVERRIDE; | |
| 92 virtual bool DeleteDirectory( | |
| 93 FileSystemOperationContext* context, | |
| 94 const FileSystemURL& url, | |
| 95 const StatusCallback& callback) OVERRIDE; | |
| 96 virtual bool CreateSnapshotFile( | |
| 97 FileSystemOperationContext* context, | |
| 98 const FileSystemURL& url, | |
| 99 const CreateSnapshotFileCallback& callback) OVERRIDE; | |
| 100 | |
| 101 private: | |
| 102 scoped_ptr<FileSystemFileUtil> sync_file_util_; | |
| 103 | |
| 104 DISALLOW_COPY_AND_ASSIGN(AsyncFileUtilAdapter); | |
| 105 }; | |
| 106 | |
| 107 } // namespace fileapi | |
| 108 | |
| 109 #endif // WEBKIT_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ | |
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