ActorChild.cpp (1564B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "mozilla/dom/cache/ActorChild.h" 8 9 #include "mozilla/dom/cache/CacheWorkerRef.h" 10 #include "nsThreadUtils.h" 11 12 namespace mozilla::dom::cache { 13 14 void CacheActorChild::SetWorkerRef(SafeRefPtr<CacheWorkerRef> aWorkerRef) { 15 // Some of the Cache actors can have multiple DOM objects associated with 16 // them. In this case the workerRef will be added multiple times. This is 17 // permitted, but the workerRef should be the same each time. 18 if (mWorkerRef) { 19 // XXX Here, we don't use aWorkerRef, so we unnecessarily add-refed... This 20 // might be a case to show in the raw pointer guideline as a possible 21 // exception, if warranted by performance analyses. 22 23 MOZ_DIAGNOSTIC_ASSERT(mWorkerRef == aWorkerRef); 24 return; 25 } 26 27 mWorkerRef = std::move(aWorkerRef); 28 if (mWorkerRef) { 29 mWorkerRef->AddActor(*this); 30 } 31 } 32 33 void CacheActorChild::RemoveWorkerRef() { 34 MOZ_ASSERT_IF(!NS_IsMainThread(), mWorkerRef); 35 if (mWorkerRef) { 36 mWorkerRef->RemoveActor(*this); 37 mWorkerRef = nullptr; 38 } 39 } 40 41 const SafeRefPtr<CacheWorkerRef>& CacheActorChild::GetWorkerRefPtr() const { 42 return mWorkerRef; 43 } 44 45 CacheActorChild::~CacheActorChild() { MOZ_DIAGNOSTIC_ASSERT(!mWorkerRef); } 46 47 } // namespace mozilla::dom::cache