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Diffstat (limited to '')
-rw-r--r-- | dom/base/StructuredCloneTester.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/dom/base/StructuredCloneTester.cpp b/dom/base/StructuredCloneTester.cpp new file mode 100644 index 0000000000..40ed321f69 --- /dev/null +++ b/dom/base/StructuredCloneTester.cpp @@ -0,0 +1,92 @@ +/* -*- 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/. */ + +#include "StructuredCloneTester.h" + +#include "js/StructuredClone.h" +#include "mozilla/RefPtr.h" +#include "mozilla/dom/StructuredCloneTags.h" +#include "mozilla/dom/StructuredCloneTesterBinding.h" +#include "nsIGlobalObject.h" +#include "xpcpublic.h" + +namespace mozilla { + +class ErrorResult; + +namespace dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(StructuredCloneTester) +NS_IMPL_CYCLE_COLLECTING_ADDREF(StructuredCloneTester) +NS_IMPL_CYCLE_COLLECTING_RELEASE(StructuredCloneTester) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(StructuredCloneTester) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +StructuredCloneTester::StructuredCloneTester(nsISupports* aParent, + const bool aSerializable, + const bool aDeserializable) + : mParent(aParent), + mSerializable(aSerializable), + mDeserializable(aDeserializable) {} + +/* static */ +already_AddRefed<StructuredCloneTester> StructuredCloneTester::Constructor( + const GlobalObject& aGlobal, const bool aSerializable, + const bool aDeserializable) { + RefPtr<StructuredCloneTester> sct = new StructuredCloneTester( + aGlobal.GetAsSupports(), aSerializable, aDeserializable); + return sct.forget(); +} + +bool StructuredCloneTester::Serializable() const { return mSerializable; } + +bool StructuredCloneTester::Deserializable() const { return mDeserializable; } + +/* static */ +already_AddRefed<StructuredCloneTester> +StructuredCloneTester::ReadStructuredClone(JSContext* aCx, + nsIGlobalObject* aGlobal, + JSStructuredCloneReader* aReader) { + uint32_t serializable = 0; + uint32_t deserializable = 0; + + if (!JS_ReadUint32Pair(aReader, &serializable, &deserializable)) { + return nullptr; + } + + RefPtr<StructuredCloneTester> sct = + new StructuredCloneTester(aGlobal, static_cast<bool>(serializable), + static_cast<bool>(deserializable)); + + // "Fail" deserialization + if (!sct->Deserializable()) { + xpc::Throw(aCx, NS_ERROR_DOM_DATA_CLONE_ERR); + return nullptr; + } + + return sct.forget(); +} + +bool StructuredCloneTester::WriteStructuredClone( + JSContext* aCx, JSStructuredCloneWriter* aWriter) const { + if (!Serializable()) { + return xpc::Throw(aCx, NS_ERROR_DOM_DATA_CLONE_ERR); + } + return JS_WriteUint32Pair(aWriter, static_cast<uint32_t>(Serializable()), + static_cast<uint32_t>(Deserializable())); +} + +nsISupports* StructuredCloneTester::GetParentObject() const { return mParent; } + +JSObject* StructuredCloneTester::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return StructuredCloneTester_Binding::Wrap(aCx, this, aGivenProto); +} + +} // namespace dom +} // namespace mozilla |