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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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_StructuredCloneBlob_h
#define mozilla_dom_StructuredCloneBlob_h
#include "js/TypeDecls.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Maybe.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "nsIMemoryReporter.h"
#include "nsISupports.h"
struct JSStructuredCloneReader;
struct JSStructuredCloneWriter;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class StructuredCloneBlob final : public nsIMemoryReporter {
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMEMORYREPORTER
static JSObject* ReadStructuredClone(JSContext* aCx,
JSStructuredCloneReader* aReader,
StructuredCloneHolder* aHolder);
bool WriteStructuredClone(JSContext* aCx, JSStructuredCloneWriter* aWriter,
StructuredCloneHolder* aHolder);
static already_AddRefed<StructuredCloneBlob> Constructor(
GlobalObject& aGlobal, JS::HandleValue aValue,
JS::HandleObject aTargetGlobal, ErrorResult& aRv);
void Deserialize(JSContext* aCx, JS::HandleObject aTargetScope,
bool aKeepData, JS::MutableHandleValue aResult,
ErrorResult& aRv);
nsISupports* GetParentObject() const { return nullptr; }
JSObject* GetWrapper() const { return nullptr; }
bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
JS::MutableHandleObject aResult);
protected:
virtual ~StructuredCloneBlob();
private:
explicit StructuredCloneBlob();
class Holder : public StructuredCloneHolder {
public:
using StructuredCloneHolder::StructuredCloneHolder;
bool ReadStructuredCloneInternal(JSContext* aCx,
JSStructuredCloneReader* aReader,
StructuredCloneHolder* aHolder);
bool WriteStructuredClone(JSContext* aCx, JSStructuredCloneWriter* aWriter,
StructuredCloneHolder* aHolder);
};
Maybe<Holder> mHolder;
static already_AddRefed<StructuredCloneBlob> Create() {
RefPtr<StructuredCloneBlob> holder = new StructuredCloneBlob();
RegisterWeakMemoryReporter(holder);
return holder.forget();
}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_StructuredCloneBlob_h
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