gecko/xpcom/glue/nsCycleCollectionParticipant.cpp
Michael Wu d8e503c38b Bug 675553 - Switch from PRBool to bool on a CLOSED TREE , r=bsmedberg,khuey,bz,cjones
--HG--
rename : tools/trace-malloc/bloatblame.c => tools/trace-malloc/bloatblame.cpp
2011-09-28 23:19:26 -07:00

106 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
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#include "nsCycleCollectionParticipant.h"
#include "nsCOMPtr.h"
static void
NoteChild(PRUint32 aLangID, void *aScriptThing, const char *name,
void *aClosure)
{
nsCycleCollectionTraversalCallback *cb =
static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, name);
cb->NoteScriptChild(aLangID, aScriptThing);
}
void
nsScriptObjectTracer::TraverseScriptObjects(void *p,
nsCycleCollectionTraversalCallback &cb)
{
Trace(p, NoteChild, &cb);
}
nsresult
nsXPCOMCycleCollectionParticipant::Root(void *p)
{
nsISupports *s = static_cast<nsISupports*>(p);
NS_ADDREF(s);
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::Unlink(void *p)
{
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::Unroot(void *p)
{
nsISupports *s = static_cast<nsISupports*>(p);
NS_RELEASE(s);
return NS_OK;
}
nsresult
nsXPCOMCycleCollectionParticipant::Traverse
(void *p, nsCycleCollectionTraversalCallback &cb)
{
return NS_OK;
}
void
nsXPCOMCycleCollectionParticipant::UnmarkPurple(nsISupports *n)
{
}
NS_IMETHODIMP_(void)
nsXPCOMCycleCollectionParticipant::Trace(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;
}