Implement stream based cross file system copy.

webkit/browser/fileapi/file_writer_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/browser/fileapi/file_writer_delegate.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_util_proxy.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/sequenced_task_runner.h"
 #include "base/threading/thread_restrictions.h"
 #include "net/base/net_errors.h"
 #include "webkit/browser/fileapi/file_stream_writer.h"
 #include "webkit/browser/fileapi/file_system_context.h"
+#include "webkit/common/fileapi/file_system_util.h"
 
 namespace fileapi {
 
 static const int kReadBufSize = 32768;
 
-namespace {
-
-base::PlatformFileError NetErrorToPlatformFileError(int error) {
-// TODO(kinuko): Move this static method to more convenient place.
-  switch (error) {
-    case net::OK:
-      return base::PLATFORM_FILE_OK;
-    case net::ERR_FILE_NO_SPACE:
-      return base::PLATFORM_FILE_ERROR_NO_SPACE;
-    case net::ERR_FILE_NOT_FOUND:
-      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
-    case net::ERR_ACCESS_DENIED:
-      return base::PLATFORM_FILE_ERROR_ACCESS_DENIED;
-    default:
-      return base::PLATFORM_FILE_ERROR_FAILED;
-  }
-}
-
-}  // namespace
-
 FileWriterDelegate::FileWriterDelegate(
     scoped_ptr<FileStreamWriter> file_stream_writer)
     : file_stream_writer_(file_stream_writer.Pass()),
       writing_started_(false),
       bytes_written_backlog_(0),
       bytes_written_(0),
       bytes_read_(0),
       io_buffer_(new net::IOBufferWithSize(kReadBufSize)),
       weak_factory_(this) {
 }
@@ skipping 193 matching lines @@
   if (error == base::PLATFORM_FILE_OK && flush_error != net::OK) {
     // If the Flush introduced an error, overwrite the status.
     // Otherwise, keep the original error status.
     error = NetErrorToPlatformFileError(flush_error);
     progress_status = GetCompletionStatusOnError();
   }
   write_callback_.Run(error, bytes_written, progress_status);
 }
 
 }  // namespace fileapi