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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _mozilla_dom_fetch_FetchStreamUtils_h
#define _mozilla_dom_fetch_FetchStreamUtils_h
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/NotNull.h"
#include "mozilla/dom/FetchTypes.h"
#include "nsIInputStream.h"
#include <cstdint>
namespace mozilla {
namespace ipc {
class PBackgroundParent;
}
namespace dom {
// Convert a ParentToParentStream received over IPC to an nsIInputStream. Can
// only be called in the parent process.
NotNull<nsCOMPtr<nsIInputStream>> ToInputStream(
const ParentToParentStream& aStream);
// Convert a ParentToChildStream received over IPC to an nsIInputStream. Can
// only be called in a content process.
NotNull<nsCOMPtr<nsIInputStream>> ToInputStream(
const ParentToChildStream& aStream);
// Serialize an nsIInputStream for IPC inside the parent process. Can only be
// called in the parent process.
ParentToParentStream ToParentToParentStream(
const NotNull<nsCOMPtr<nsIInputStream>>& aStream, int64_t aStreamSize);
// Serialize an nsIInputStream for IPC from the parent process to a content
// process. Can only be called in the parent process.
ParentToChildStream ToParentToChildStream(
const NotNull<nsCOMPtr<nsIInputStream>>& aStream, int64_t aStreamSize,
NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent);
// Convert a ParentToParentStream to a ParentToChildStream. Can only be called
// in the parent process.
ParentToChildStream ToParentToChildStream(
const ParentToParentStream& aStream, int64_t aStreamSize,
NotNull<mozilla::ipc::PBackgroundParent*> aBackgroundParent);
} // namespace dom
} // namespace mozilla
#endif // _mozilla_dom_fetch_FetchStreamUtils_h
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