// Copyright 2013 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.
#ifndef CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_
#define CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
namespace base {
class TaskRunner;
}
namespace fileapi {
class FileSystemContext;
}
namespace net {
class UploadDataStream;
}
namespace webkit_blob {
class BlobStorageContext;
}
namespace content {
class ResourceRequestBody;
class CONTENT_EXPORT UploadDataStreamBuilder {
public:
// Creates a new UploadDataStream from this request body.
//
// This also resolves any blob references using the given |blob_context|
// and binds those blob references to the ResourceRequestBody ensuring that
// the blob data remains valid for the lifetime of the ResourceRequestBody
// object.
//
// |file_system_context| is used to create a FileStreamReader for files with
// filesystem URLs. |file_task_runner| is used to perform file operations
// when the data gets uploaded.
static scoped_ptr<net::UploadDataStream> Build(
ResourceRequestBody* body,
webkit_blob::BlobStorageContext* blob_context,
fileapi::FileSystemContext* file_system_context,
base::TaskRunner* file_task_runner);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_UPLOAD_DATA_STREAM_BUILDER_H_