1// Copyright 2013 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 CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_
6#define CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "content/common/content_export.h"
10
11namespace base {
12class TaskRunner;
13}
14
15namespace fileapi {
16class FileSystemContext;
17}
18
19namespace net {
20class UploadDataStream;
21}
22
23namespace webkit_blob {
24class BlobStorageContext;
25}
26
27namespace webkit_glue {
28class ResourceRequestBody;
29}
30
31namespace content {
32
33class CONTENT_EXPORT UploadDataStreamBuilder {
34 public:
35  // Creates a new UploadDataStream from this request body.
36  //
37  // This also resolves any blob references using the given |blob_context|
38  // and binds those blob references to the ResourceRequestBody ensuring that
39  // the blob data remains valid for the lifetime of the ResourceRequestBody
40  // object.
41  //
42  // |file_system_context| is used to create a FileStreamReader for files with
43  // filesystem URLs.  |file_task_runner| is used to perform file operations
44  // when the data gets uploaded.
45  static scoped_ptr<net::UploadDataStream> Build(
46      webkit_glue::ResourceRequestBody* body,
47      webkit_blob::BlobStorageContext* blob_context,
48      fileapi::FileSystemContext* file_system_context,
49      base::TaskRunner* file_task_runner);
50};
51
52}  // namespace content
53
54#endif  // CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_
55