gecko-dev/netwerk/dns/DNSListenerProxy.h

63 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 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 {
#define DNS_LISTENER_PROXY_IID \
{ \
0x8f172ca3, 0x7a7f, 0x4941, { \
0xa7, 0x0b, 0xbc, 0x72, 0x80, 0x2e, 0x9d, 0x9b \
} \
}
class DNSListenerProxy final : public nsIDNSListener {
public:
DNSListenerProxy(nsIDNSListener* aListener, nsIEventTarget* aTargetThread)
// We want to make sure that |aListener| is only accessed on the target
// thread.
: mListener(aListener),
mTargetThread(aTargetThread),
mListenerAddress(reinterpret_cast<uintptr_t>(aListener)) {
MOZ_ASSERT(mListener);
MOZ_ASSERT(mTargetThread);
}
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIDNSLISTENER
NS_DECLARE_STATIC_IID_ACCESSOR(DNS_LISTENER_PROXY_IID)
uintptr_t GetOriginalListenerAddress() const { return mListenerAddress; }
private:
~DNSListenerProxy() {
NS_ProxyRelease("DNSListenerProxy::mListener", mTargetThread,
mListener.forget());
}
nsCOMPtr<nsIDNSListener> mListener;
nsCOMPtr<nsIEventTarget> mTargetThread;
uintptr_t mListenerAddress;
};
NS_DEFINE_STATIC_IID_ACCESSOR(DNSListenerProxy, DNS_LISTENER_PROXY_IID)
} // namespace net
} // namespace mozilla
#endif // DNSListenerProxy_h__