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 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_CHROMEOS_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_ 6 #define CHROME_BROWSER_CHROMEOS_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "chrome/browser/chromeos/fileapi/file_system_backend_delegate.h" 10 11 namespace base { 12 class FilePath; 13 } // namespace base 14 15 class DeviceMediaAsyncFileUtil; 16 17 namespace chromeos { 18 19 // This is delegate interface to inject the MTP device file system in Chrome OS 20 // file API backend. 21 class MTPFileSystemBackendDelegate : public FileSystemBackendDelegate { 22 public: 23 explicit MTPFileSystemBackendDelegate( 24 const base::FilePath& storage_partition_path); 25 virtual ~MTPFileSystemBackendDelegate(); 26 27 // FileSystemBackendDelegate overrides. 28 virtual fileapi::AsyncFileUtil* GetAsyncFileUtil( 29 fileapi::FileSystemType type) OVERRIDE; 30 virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader( 31 const fileapi::FileSystemURL& url, 32 int64 offset, 33 const base::Time& expected_modification_time, 34 fileapi::FileSystemContext* context) OVERRIDE; 35 virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter( 36 const fileapi::FileSystemURL& url, 37 int64 offset, 38 fileapi::FileSystemContext* context) OVERRIDE; 39 40 private: 41 scoped_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_; 42 43 DISALLOW_COPY_AND_ASSIGN(MTPFileSystemBackendDelegate); 44 }; 45 46 } // namespace chromeos 47 48 #endif // CHROME_BROWSER_CHROMEOS_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_ 49