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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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