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-rw-r--r--dom/base/StructuredCloneBlob.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/dom/base/StructuredCloneBlob.h b/dom/base/StructuredCloneBlob.h
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+++ b/dom/base/StructuredCloneBlob.h
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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, const nsACString& aName,
+ const nsACString& aAnonymizedName, JS::Handle<JS::Value> aValue,
+ JS::Handle<JSObject*> aTargetGlobal, ErrorResult& aRv);
+
+ void Deserialize(JSContext* aCx, JS::Handle<JSObject*> aTargetScope,
+ bool aKeepData, JS::MutableHandle<JS::Value> aResult,
+ ErrorResult& aRv);
+
+ nsISupports* GetParentObject() const { return nullptr; }
+ JSObject* GetWrapper() const { return nullptr; }
+
+ bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
+ JS::MutableHandle<JSObject*> 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);
+ };
+
+ nsCString mName;
+ nsCString mAnonymizedName;
+ 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