DNSListenerProxy.h (1644B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set sw=2 ts=8 et tw=80 : */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef DNSListenerProxy_h__ 8 #define DNSListenerProxy_h__ 9 10 #include "nsIDNSListener.h" 11 #include "nsIDNSRecord.h" 12 #include "nsProxyRelease.h" 13 #include "nsThreadUtils.h" 14 15 class nsIEventTarget; 16 class nsICancelable; 17 18 namespace mozilla { 19 namespace net { 20 21 #define DNS_LISTENER_PROXY_IID \ 22 {0x8f172ca3, 0x7a7f, 0x4941, {0xa7, 0x0b, 0xbc, 0x72, 0x80, 0x2e, 0x9d, 0x9b}} 23 24 class DNSListenerProxy final : public nsIDNSListener { 25 public: 26 DNSListenerProxy(nsIDNSListener* aListener, nsIEventTarget* aTargetThread) 27 // We want to make sure that |aListener| is only accessed on the target 28 // thread. 29 : mListener(aListener), 30 mTargetThread(aTargetThread), 31 mListenerAddress(reinterpret_cast<uintptr_t>(aListener)) { 32 MOZ_ASSERT(mListener); 33 MOZ_ASSERT(mTargetThread); 34 } 35 36 NS_DECL_THREADSAFE_ISUPPORTS 37 NS_DECL_NSIDNSLISTENER 38 NS_INLINE_DECL_STATIC_IID(DNS_LISTENER_PROXY_IID) 39 40 uintptr_t GetOriginalListenerAddress() const { return mListenerAddress; } 41 42 private: 43 ~DNSListenerProxy() { 44 NS_ProxyRelease("DNSListenerProxy::mListener", mTargetThread, 45 mListener.forget()); 46 } 47 48 nsCOMPtr<nsIDNSListener> mListener; 49 nsCOMPtr<nsIEventTarget> mTargetThread; 50 uintptr_t mListenerAddress; 51 }; 52 53 } // namespace net 54 } // namespace mozilla 55 56 #endif // DNSListenerProxy_h__