michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "IDBWrapperCache.h"
michael@0: #include "nsCycleCollector.h"
michael@0: 
michael@0: USING_INDEXEDDB_NAMESPACE
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_CLASS(IDBWrapperCache)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache,
michael@0:                                                   DOMEventTargetHelper)
michael@0:   // Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because
michael@0:   // DOMEventTargetHelper does it for us.
michael@0: NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache,
michael@0:                                                 DOMEventTargetHelper)
michael@0:   if (tmp->mScriptOwner) {
michael@0:     tmp->mScriptOwner = nullptr;
michael@0:     mozilla::DropJSObjects(tmp);
michael@0:   }
michael@0: NS_IMPL_CYCLE_COLLECTION_UNLINK_END
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache,
michael@0:                                                DOMEventTargetHelper)
michael@0:   // Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because
michael@0:   // DOMEventTargetHelper does it for us.
michael@0:   NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScriptOwner)
michael@0: NS_IMPL_CYCLE_COLLECTION_TRACE_END
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBWrapperCache)
michael@0: NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, DOMEventTargetHelper)
michael@0: NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, DOMEventTargetHelper)
michael@0: 
michael@0: IDBWrapperCache::~IDBWrapperCache()
michael@0: {
michael@0:   mScriptOwner = nullptr;
michael@0:   ReleaseWrapper(this);
michael@0:   mozilla::DropJSObjects(this);
michael@0: }
michael@0: 
michael@0: void
michael@0: IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner)
michael@0: {
michael@0:   NS_ASSERTION(aScriptOwner, "This should never be null!");
michael@0: 
michael@0:   mScriptOwner = aScriptOwner;
michael@0:   mozilla::HoldJSObjects(this);
michael@0: }
michael@0: 
michael@0: #ifdef DEBUG
michael@0: void
michael@0: IDBWrapperCache::AssertIsRooted() const
michael@0: {
michael@0:   MOZ_ASSERT(cyclecollector::IsJSHolder(const_cast<IDBWrapperCache*>(this)),
michael@0:              "Why aren't we rooted?!");
michael@0: }
michael@0: #endif