gecko/xpcom/glue/nsCycleCollectionParticipant.cpp

68 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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"
void
nsScriptObjectTracer::NoteJSChild(void *aScriptThing, const char *name,
void *aClosure)
{
nsCycleCollectionTraversalCallback *cb =
static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, name);
cb->NoteJSChild(aScriptThing);
}
nsresult
nsXPCOMCycleCollectionParticipant::RootImpl(void *p)
{
nsISupports *s = static_cast<nsISupports*>(p);
NS_ADDREF(s);
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::UnlinkImpl(void *p)
{
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::UnrootImpl(void *p)
{
nsISupports *s = static_cast<nsISupports*>(p);
NS_RELEASE(s);
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::TraverseImpl
(nsXPCOMCycleCollectionParticipant* that, void *p,
nsCycleCollectionTraversalCallback &cb)
{
return NS_OK;
}
void
nsXPCOMCycleCollectionParticipant::UnmarkIfPurpleImpl(nsISupports *n)
{
}
NS_IMETHODIMP_(void)
nsXPCOMCycleCollectionParticipant::TraceImpl(void *p, TraceCallback cb,
void *closure)
{
}
bool
nsXPCOMCycleCollectionParticipant::CheckForRightISupports(nsISupports *s)
{
nsISupports* foo;
s->QueryInterface(NS_GET_IID(nsCycleCollectionISupports),
reinterpret_cast<void**>(&foo));
return s == foo;
}