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/* -*- 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
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