зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.7 KiB
C++
87 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_StructuredCloneBlob_h
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#define mozilla_dom_StructuredCloneBlob_h
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#include "js/TypeDecls.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/StructuredCloneHolder.h"
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#include "nsIMemoryReporter.h"
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#include "nsISupports.h"
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struct JSStructuredCloneReader;
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struct JSStructuredCloneWriter;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class GlobalObject;
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class StructuredCloneBlob final : public nsIMemoryReporter {
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MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMEMORYREPORTER
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static JSObject* ReadStructuredClone(JSContext* aCx,
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JSStructuredCloneReader* aReader,
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StructuredCloneHolder* aHolder);
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bool WriteStructuredClone(JSContext* aCx, JSStructuredCloneWriter* aWriter,
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StructuredCloneHolder* aHolder);
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static already_AddRefed<StructuredCloneBlob> Constructor(
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GlobalObject& aGlobal, JS::Handle<JS::Value> aValue,
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JS::Handle<JSObject*> aTargetGlobal, ErrorResult& aRv);
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void Deserialize(JSContext* aCx, JS::Handle<JSObject*> aTargetScope,
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bool aKeepData, JS::MutableHandle<JS::Value> aResult,
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ErrorResult& aRv);
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nsISupports* GetParentObject() const { return nullptr; }
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JSObject* GetWrapper() const { return nullptr; }
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bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
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JS::MutableHandle<JSObject*> aResult);
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protected:
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virtual ~StructuredCloneBlob();
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private:
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explicit StructuredCloneBlob();
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class Holder : public StructuredCloneHolder {
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public:
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using StructuredCloneHolder::StructuredCloneHolder;
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bool ReadStructuredCloneInternal(JSContext* aCx,
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JSStructuredCloneReader* aReader,
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StructuredCloneHolder* aHolder);
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bool WriteStructuredClone(JSContext* aCx, JSStructuredCloneWriter* aWriter,
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StructuredCloneHolder* aHolder);
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};
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Maybe<Holder> mHolder;
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static already_AddRefed<StructuredCloneBlob> Create() {
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RefPtr<StructuredCloneBlob> holder = new StructuredCloneBlob();
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RegisterWeakMemoryReporter(holder);
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return holder.forget();
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}
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_StructuredCloneBlob_h
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