1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/indexedDB/IDBWrapperCache.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "IDBWrapperCache.h"
1.11 +#include "nsCycleCollector.h"
1.12 +
1.13 +USING_INDEXEDDB_NAMESPACE
1.14 +
1.15 +NS_IMPL_CYCLE_COLLECTION_CLASS(IDBWrapperCache)
1.16 +
1.17 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache,
1.18 + DOMEventTargetHelper)
1.19 + // Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because
1.20 + // DOMEventTargetHelper does it for us.
1.21 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
1.22 +
1.23 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache,
1.24 + DOMEventTargetHelper)
1.25 + if (tmp->mScriptOwner) {
1.26 + tmp->mScriptOwner = nullptr;
1.27 + mozilla::DropJSObjects(tmp);
1.28 + }
1.29 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END
1.30 +
1.31 +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache,
1.32 + DOMEventTargetHelper)
1.33 + // Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because
1.34 + // DOMEventTargetHelper does it for us.
1.35 + NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScriptOwner)
1.36 +NS_IMPL_CYCLE_COLLECTION_TRACE_END
1.37 +
1.38 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBWrapperCache)
1.39 +NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
1.40 +
1.41 +NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, DOMEventTargetHelper)
1.42 +NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, DOMEventTargetHelper)
1.43 +
1.44 +IDBWrapperCache::~IDBWrapperCache()
1.45 +{
1.46 + mScriptOwner = nullptr;
1.47 + ReleaseWrapper(this);
1.48 + mozilla::DropJSObjects(this);
1.49 +}
1.50 +
1.51 +void
1.52 +IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner)
1.53 +{
1.54 + NS_ASSERTION(aScriptOwner, "This should never be null!");
1.55 +
1.56 + mScriptOwner = aScriptOwner;
1.57 + mozilla::HoldJSObjects(this);
1.58 +}
1.59 +
1.60 +#ifdef DEBUG
1.61 +void
1.62 +IDBWrapperCache::AssertIsRooted() const
1.63 +{
1.64 + MOZ_ASSERT(cyclecollector::IsJSHolder(const_cast<IDBWrapperCache*>(this)),
1.65 + "Why aren't we rooted?!");
1.66 +}
1.67 +#endif
