forked from mirrors/gecko-dev
6c2d8c7bf5
This API should no longer be necessary, as there's nothing tied to a specific actor in the serialized IPCBlob form any longer, so the value can be directly transferred without special handling or re-serialization. Differential Revision: https://phabricator.services.mozilla.com/D148533
80 lines
2.3 KiB
C++
80 lines
2.3 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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#include "ServiceWorkerCloneData.h"
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#include <utility>
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/dom/StructuredCloneHolder.h"
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#include "nsISerialEventTarget.h"
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#include "nsProxyRelease.h"
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#include "nsThreadUtils.h"
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namespace mozilla::dom {
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ServiceWorkerCloneData::~ServiceWorkerCloneData() {
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RefPtr<ipc::SharedJSAllocatedData> sharedData = TakeSharedData();
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if (sharedData) {
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NS_ProxyRelease(__func__, mEventTarget, sharedData.forget());
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}
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}
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ServiceWorkerCloneData::ServiceWorkerCloneData()
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: ipc::StructuredCloneData(
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StructuredCloneHolder::StructuredCloneScope::UnknownDestination,
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StructuredCloneHolder::TransferringSupported),
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mEventTarget(GetCurrentSerialEventTarget()),
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mIsErrorMessageData(false) {
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MOZ_DIAGNOSTIC_ASSERT(mEventTarget);
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}
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bool ServiceWorkerCloneData::BuildClonedMessageData(
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ClonedOrErrorMessageData& aClonedData) {
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if (IsErrorMessageData()) {
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aClonedData = ErrorMessageData();
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return true;
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}
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MOZ_DIAGNOSTIC_ASSERT(
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CloneScope() ==
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StructuredCloneHolder::StructuredCloneScope::DifferentProcess);
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ClonedMessageData messageData;
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if (!StructuredCloneData::BuildClonedMessageData(messageData)) {
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return false;
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}
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aClonedData = std::move(messageData);
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return true;
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}
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void ServiceWorkerCloneData::CopyFromClonedMessageData(
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const ClonedOrErrorMessageData& aClonedData) {
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if (aClonedData.type() == ClonedOrErrorMessageData::TErrorMessageData) {
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mIsErrorMessageData = true;
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return;
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}
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MOZ_DIAGNOSTIC_ASSERT(aClonedData.type() ==
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ClonedOrErrorMessageData::TClonedMessageData);
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StructuredCloneData::CopyFromClonedMessageData(aClonedData);
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}
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void ServiceWorkerCloneData::SetAsErrorMessageData() {
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MOZ_ASSERT(CloneScope() ==
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StructuredCloneHolder::StructuredCloneScope::SameProcess);
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mIsErrorMessageData = true;
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}
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bool ServiceWorkerCloneData::IsErrorMessageData() const {
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return mIsErrorMessageData;
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}
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} // namespace mozilla::dom
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