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 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h" 6 #include "chrome/browser/media_galleries/fileapi/device_media_async_file_util.h" 7 #include "webkit/browser/blob/file_stream_reader.h" 8 #include "webkit/browser/fileapi/file_stream_writer.h" 9 #include "webkit/browser/fileapi/file_system_url.h" 10 11 namespace chromeos { 12 13 MTPFileSystemBackendDelegate::MTPFileSystemBackendDelegate( 14 const base::FilePath& storage_partition_path) 15 : device_media_async_file_util_( 16 DeviceMediaAsyncFileUtil::Create(storage_partition_path, 17 NO_MEDIA_FILE_VALIDATION)) { 18 } 19 20 MTPFileSystemBackendDelegate::~MTPFileSystemBackendDelegate() { 21 } 22 23 fileapi::AsyncFileUtil* MTPFileSystemBackendDelegate::GetAsyncFileUtil( 24 fileapi::FileSystemType type) { 25 DCHECK_EQ(fileapi::kFileSystemTypeDeviceMediaAsFileStorage, type); 26 27 return device_media_async_file_util_.get(); 28 } 29 30 scoped_ptr<webkit_blob::FileStreamReader> 31 MTPFileSystemBackendDelegate::CreateFileStreamReader( 32 const fileapi::FileSystemURL& url, 33 int64 offset, 34 const base::Time& expected_modification_time, 35 fileapi::FileSystemContext* context) { 36 DCHECK_EQ(fileapi::kFileSystemTypeDeviceMediaAsFileStorage, url.type()); 37 38 return device_media_async_file_util_->GetFileStreamReader( 39 url, offset, expected_modification_time, context); 40 } 41 42 scoped_ptr<fileapi::FileStreamWriter> 43 MTPFileSystemBackendDelegate::CreateFileStreamWriter( 44 const fileapi::FileSystemURL& url, 45 int64 offset, 46 fileapi::FileSystemContext* context) { 47 DCHECK_EQ(fileapi::kFileSystemTypeDeviceMediaAsFileStorage, url.type()); 48 49 // TODO(kinaba): support writing. 50 return scoped_ptr<fileapi::FileStreamWriter>(); 51 } 52 53 } // namespace chromeos 54
