39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 "nsCycleCollectionParticipant.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
NS_IMETHODIMP_(void)
|
|
nsXPCOMCycleCollectionParticipant::Root(void* aPtr)
|
|
{
|
|
nsISupports* s = static_cast<nsISupports*>(aPtr);
|
|
NS_ADDREF(s);
|
|
}
|
|
|
|
NS_IMETHODIMP_(void)
|
|
nsXPCOMCycleCollectionParticipant::Unroot(void* aPtr)
|
|
{
|
|
nsISupports* s = static_cast<nsISupports*>(aPtr);
|
|
NS_RELEASE(s);
|
|
}
|
|
|
|
// We define a default trace function because some participants don't need
|
|
// to trace anything, so it is okay for them not to define one.
|
|
NS_IMETHODIMP_(void)
|
|
nsXPCOMCycleCollectionParticipant::Trace(void* aPtr, const TraceCallbacks& aCb,
|
|
void* aClosure)
|
|
{
|
|
}
|
|
|
|
bool
|
|
nsXPCOMCycleCollectionParticipant::CheckForRightISupports(nsISupports* aSupports)
|
|
{
|
|
nsISupports* foo;
|
|
aSupports->QueryInterface(NS_GET_IID(nsCycleCollectionISupports),
|
|
reinterpret_cast<void**>(&foo));
|
|
return aSupports == foo;
|
|
}
|