gecko-dev/xpcom/glue/nsProxyRelease.h
2012-05-21 12:12:37 +01:00

65 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3 -*- */
/* 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/. */
#ifndef nsProxyRelease_h__
#define nsProxyRelease_h__
#include "nsIEventTarget.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#ifdef XPCOM_GLUE_AVOID_NSPR
#error NS_ProxyRelease implementation depends on NSPR.
#endif
/**
* Ensure that a nsCOMPtr is released on the target thread.
*
* @see NS_ProxyRelease(nsIEventTarget*, nsISupports*, bool)
*/
template <class T>
inline NS_HIDDEN_(nsresult)
NS_ProxyRelease
(nsIEventTarget *target, nsCOMPtr<T> &doomed, bool alwaysProxy=false)
{
T* raw = nsnull;
doomed.swap(raw);
return NS_ProxyRelease(target, raw, alwaysProxy);
}
/**
* Ensure that a nsRefPtr is released on the target thread.
*
* @see NS_ProxyRelease(nsIEventTarget*, nsISupports*, bool)
*/
template <class T>
inline NS_HIDDEN_(nsresult)
NS_ProxyRelease
(nsIEventTarget *target, nsRefPtr<T> &doomed, bool alwaysProxy=false)
{
T* raw = nsnull;
doomed.swap(raw);
return NS_ProxyRelease(target, raw, alwaysProxy);
}
/**
* Ensures that the delete of a nsISupports object occurs on the target thread.
*
* @param target
* the target thread where the doomed object should be released.
* @param doomed
* the doomed object; the object to be released on the target thread.
* @param alwaysProxy
* normally, if NS_ProxyRelease is called on the target thread, then the
* doomed object will released directly. however, if this parameter is
* true, then an event will always be posted to the target thread for
* asynchronous release.
*/
NS_COM_GLUE nsresult
NS_ProxyRelease
(nsIEventTarget *target, nsISupports *doomed, bool alwaysProxy=false);
#endif