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/file_system_provider/fileapi/backend_delegate.h" 6 7 #include "base/memory/scoped_ptr.h" 8 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_reader.h" 9 #include "chrome/browser/chromeos/file_system_provider/fileapi/provider_async_file_util.h" 10 #include "content/public/browser/browser_thread.h" 11 #include "webkit/browser/blob/file_stream_reader.h" 12 #include "webkit/browser/fileapi/file_stream_writer.h" 13 #include "webkit/browser/fileapi/file_system_url.h" 14 15 using content::BrowserThread; 16 17 namespace chromeos { 18 namespace file_system_provider { 19 20 BackendDelegate::BackendDelegate() 21 : async_file_util_(new internal::ProviderAsyncFileUtil) {} 22 23 BackendDelegate::~BackendDelegate() {} 24 25 fileapi::AsyncFileUtil* BackendDelegate::GetAsyncFileUtil( 26 fileapi::FileSystemType type) { 27 DCHECK_CURRENTLY_ON(BrowserThread::IO); 28 DCHECK_EQ(fileapi::kFileSystemTypeProvided, type); 29 return async_file_util_.get(); 30 } 31 32 scoped_ptr<webkit_blob::FileStreamReader> 33 BackendDelegate::CreateFileStreamReader( 34 const fileapi::FileSystemURL& url, 35 int64 offset, 36 const base::Time& expected_modification_time, 37 fileapi::FileSystemContext* context) { 38 DCHECK_CURRENTLY_ON(BrowserThread::IO); 39 DCHECK_EQ(fileapi::kFileSystemTypeProvided, url.type()); 40 41 return scoped_ptr<webkit_blob::FileStreamReader>( 42 new FileStreamReader(context, url, offset, expected_modification_time)); 43 } 44 45 scoped_ptr<fileapi::FileStreamWriter> BackendDelegate::CreateFileStreamWriter( 46 const fileapi::FileSystemURL& url, 47 int64 offset, 48 fileapi::FileSystemContext* context) { 49 DCHECK_CURRENTLY_ON(BrowserThread::IO); 50 DCHECK_EQ(fileapi::kFileSystemTypeProvided, url.type()); 51 NOTIMPLEMENTED(); 52 return scoped_ptr<fileapi::FileStreamWriter>(); 53 } 54 55 } // namespace file_system_provider 56 } // namespace chromeos 57
