mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=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 "nsContentUtils.h"
|
|
|
|
USING_INDEXEDDB_NAMESPACE
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBWrapperCache,
|
|
nsDOMEventTargetHelper)
|
|
// Don't need NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS because
|
|
// nsDOMEventTargetHelper does it for us.
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBWrapperCache,
|
|
nsDOMEventTargetHelper)
|
|
if (tmp->mScriptOwner) {
|
|
tmp->mScriptOwner = nullptr;
|
|
NS_DROP_JS_OBJECTS(tmp, IDBWrapperCache);
|
|
}
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(IDBWrapperCache,
|
|
nsDOMEventTargetHelper)
|
|
// Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because
|
|
// nsDOMEventTargetHelper 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(nsDOMEventTargetHelper)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(IDBWrapperCache, nsDOMEventTargetHelper)
|
|
NS_IMPL_RELEASE_INHERITED(IDBWrapperCache, nsDOMEventTargetHelper)
|
|
|
|
IDBWrapperCache::~IDBWrapperCache()
|
|
{
|
|
mScriptOwner = nullptr;
|
|
nsContentUtils::ReleaseWrapper(this, this);
|
|
NS_DROP_JS_OBJECTS(this, IDBWrapperCache);
|
|
}
|
|
|
|
void
|
|
IDBWrapperCache::SetScriptOwner(JSObject* aScriptOwner)
|
|
{
|
|
NS_ASSERTION(aScriptOwner, "This should never be null!");
|
|
|
|
mScriptOwner = aScriptOwner;
|
|
|
|
nsISupports* thisSupports = NS_CYCLE_COLLECTION_UPCAST(this, IDBWrapperCache);
|
|
nsXPCOMCycleCollectionParticipant* participant;
|
|
CallQueryInterface(this, &participant);
|
|
nsContentUtils::HoldJSObjects(thisSupports, participant);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
void
|
|
IDBWrapperCache::AssertIsRooted() const
|
|
{
|
|
NS_ASSERTION(nsContentUtils::AreJSObjectsHeld(const_cast<IDBWrapperCache*>(this)),
|
|
"Why aren't we rooted?!");
|
|
}
|
|
#endif
|