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 storage { 16 class FileSystemContext; 17 } 18 19 namespace net { 20 class UploadDataStream; 21 } 22 23 namespace storage { 24 class BlobStorageContext; 25 } 26 27 namespace content { 28 29 class ResourceRequestBody; 30 31 class CONTENT_EXPORT UploadDataStreamBuilder { 32 public: 33 // Creates a new UploadDataStream from this request body. 34 // 35 // If |body| contains any blob references, the caller is responsible for 36 // making sure them outlive the returned value of UploadDataStream. We do this 37 // by binding the BlobDataHandles of them to ResourceRequestBody in 38 // ResourceDispatcherHostImpl::BeginRequest(). 39 // 40 // |file_system_context| is used to create a FileStreamReader for files with 41 // filesystem URLs. |file_task_runner| is used to perform file operations 42 // when the data gets uploaded. 43 static scoped_ptr<net::UploadDataStream> Build( 44 ResourceRequestBody* body, 45 storage::BlobStorageContext* blob_context, 46 storage::FileSystemContext* file_system_context, 47 base::TaskRunner* file_task_runner); 48 }; 49 50 } // namespace content 51 52 #endif // CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_ 53