Return RemoteFileStreamWriter from remote mount point provider.

webkit/chromeos/fileapi/cros_mount_point_provider.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/chromeos/fileapi/cros_mount_point_provider.h"
 
 #include "base/chromeos/chromeos_version.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/utf_string_conversions.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "webkit/chromeos/fileapi/file_access_permissions.h"
+#include "webkit/chromeos/fileapi/remote_file_stream_writer.h"
 #include "webkit/chromeos/fileapi/remote_file_system_operation.h"
 #include "webkit/fileapi/file_system_file_stream_reader.h"
 #include "webkit/fileapi/file_system_operation.h"
 #include "webkit/fileapi/file_system_util.h"
 #include "webkit/fileapi/local_file_stream_writer.h"
 #include "webkit/glue/webkit_glue.h"
 
 namespace {
 
 const char kChromeUIScheme[] = "chrome";
@@ skipping 240 matching lines @@
     const GURL& url,
     int64 offset,
     fileapi::FileSystemContext* context) const {
   FilePath virtual_path;
   if (!fileapi::CrackFileSystemURL(url, NULL, NULL, &virtual_path))
     return NULL;
   const MountPoint* mount_point = GetMountPoint(virtual_path);
   if (!mount_point)
     return NULL;
   if (mount_point->location == REMOTE) {
-    // TODO(kinaba): return a gdata writer for remote file system.
-    return NULL;
+    return new fileapi::RemoteFileStreamWriter(mount_point->remote_proxy,
+                                               url,
+                                               offset);
   }
   FilePath root_path = mount_point->local_root_path;
   return new fileapi::LocalFileStreamWriter(
       root_path.Append(virtual_path), offset);
 }
 
 bool CrosMountPointProvider::GetVirtualPath(const FilePath& filesystem_path,
                                            FilePath* virtual_path) {
   for (MountPointMap::const_iterator iter = mount_point_map_.begin();
        iter != mount_point_map_.end();
        ++iter) {
     FilePath mount_prefix = iter->second.local_root_path.Append(iter->first);
     *virtual_path = FilePath(iter->first);
     if (mount_prefix == filesystem_path) {
       return true;
     } else if (mount_prefix.AppendRelativePath(filesystem_path, virtual_path)) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace chromeos