content/browser/loader/upload_data_stream_builder.h

   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
  11 namespace base {
  12 class TaskRunner;
  13 }
  14
  15 namespace fileapi {
  16 class FileSystemContext;
  17 }
  18
  19 namespace net {
  20 class UploadDataStream;
  21 }
  22
  23 namespace webkit_blob {
  24 class BlobStorageContext;
  25 }
  26
  27 namespace webkit_glue {
  28 class ResourceRequestBody;
  29 }
  30
  31 namespace content {
  32
  33 class 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_