/* -*- 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 "IDBWrapperCache.h" #include "mozilla/HoldDropJSObjects.h" #include "nsCOMPtr.h" #include "nsIScriptGlobalObject.h" #include "nsPIDOMWindow.h" namespace mozilla { namespace dom { NS_IMPL_CYCLE_COLLECTION_CLASS(IDBWrapperCache) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache, DOMEventTargetHelper) // Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because // DOMEventTargetHelper does it for us. NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache, DOMEventTargetHelper) if (tmp->mScriptOwner) { tmp->mScriptOwner = nullptr; mozilla::DropJSObjects(tmp); } NS_IMPL_CYCLE_COLLECTION_UNLINK_END NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache, DOMEventTargetHelper) // Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because // DOMEventTargetHelper does it for us. NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScriptOwner) NS_IMPL_CYCLE_COLLECTION_TRACE_END NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBWrapperCache) NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper) NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, DOMEventTargetHelper) NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, DOMEventTargetHelper) IDBWrapperCache::IDBWrapperCache(DOMEventTargetHelper* aOwner) : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr) { } IDBWrapperCache::IDBWrapperCache(nsPIDOMWindowInner* aOwner) : DOMEventTargetHelper(aOwner), mScriptOwner(nullptr) { } IDBWrapperCache::~IDBWrapperCache() { mScriptOwner = nullptr; ReleaseWrapper(this); mozilla::DropJSObjects(this); } void IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner) { MOZ_ASSERT(aScriptOwner); mScriptOwner = aScriptOwner; mozilla::HoldJSObjects(this); } #ifdef DEBUG void IDBWrapperCache::AssertIsRooted() const { MOZ_ASSERT(IsJSHolder(const_cast<IDBWrapperCache*>(this)), "Why aren't we rooted?!"); } #endif } // namespace dom } // namespace mozilla