gecko-dev/dom/ipc/StructuredCloneUtils.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* 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_StructuredCloneUtils_h
#define mozilla_dom_StructuredCloneUtils_h

#include "nsCOMPtr.h"
#include "nsTArray.h"
#include "nsIDOMFile.h"

#include "js/StructuredClone.h"

namespace mozilla {

struct SerializedStructuredCloneBuffer;

namespace dom {

struct
StructuredCloneClosure
{
  nsTArray<nsCOMPtr<nsIDOMBlob> > mBlobs;
};

struct
StructuredCloneData
{
  StructuredCloneData() : mData(nullptr), mDataLength(0) {}
  uint64_t* mData;
  size_t mDataLength;
  StructuredCloneClosure mClosure;
};

bool
ReadStructuredClone(JSContext* aCx, uint64_t* aData, size_t aDataLength,
                    const StructuredCloneClosure& aClosure,
                    JS::MutableHandle<JS::Value> aClone);

inline bool
ReadStructuredClone(JSContext* aCx, const StructuredCloneData& aData,
                    JS::MutableHandle<JS::Value> aClone)
{
  return ReadStructuredClone(aCx, aData.mData, aData.mDataLength,
                             aData.mClosure, aClone);
}

bool
WriteStructuredClone(JSContext* aCx, JS::Handle<JS::Value> aSource,
                     JSAutoStructuredCloneBuffer& aBuffer,
                     StructuredCloneClosure& aClosure);

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_StructuredCloneUtils_h