gecko-dev/netwerk/dns/DNSListenerProxy.h

69 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et 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/. */
#ifndef DNSListenerProxy_h__
#define DNSListenerProxy_h__
#include "nsIDNSListener.h"
#include "nsIDNSRecord.h"
#include "nsProxyRelease.h"
#include "nsThreadUtils.h"
class nsIEventTarget;
class nsICancelable;
namespace mozilla {
namespace net {
class DNSListenerProxy MOZ_FINAL : public nsIDNSListener
{
public:
DNSListenerProxy(nsIDNSListener* aListener, nsIEventTarget* aTargetThread)
// Sometimes aListener is a main-thread only object like XPCWrappedJS, and
// sometimes it's a threadsafe object like nsSOCKSSocketInfo. Use a main-
// thread pointer holder, but disable strict enforcement of thread invariants.
// The AddRef implementation of XPCWrappedJS will assert if we go wrong here.
: mListener(new nsMainThreadPtrHolder<nsIDNSListener>(aListener, false))
, mTargetThread(aTargetThread)
{ }
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIDNSLISTENER
class OnLookupCompleteRunnable : public nsRunnable
{
public:
OnLookupCompleteRunnable(const nsMainThreadPtrHandle<nsIDNSListener>& aListener,
nsICancelable* aRequest,
nsIDNSRecord* aRecord,
nsresult aStatus)
: mListener(aListener)
, mRequest(aRequest)
, mRecord(aRecord)
, mStatus(aStatus)
{ }
NS_DECL_NSIRUNNABLE
private:
nsMainThreadPtrHandle<nsIDNSListener> mListener;
nsCOMPtr<nsICancelable> mRequest;
nsCOMPtr<nsIDNSRecord> mRecord;
nsresult mStatus;
};
private:
~DNSListenerProxy() {}
nsMainThreadPtrHandle<nsIDNSListener> mListener;
nsCOMPtr<nsIEventTarget> mTargetThread;
};
} // namespace net
} // namespace mozilla
#endif // DNSListenerProxy_h__