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Diffstat (limited to 'netwerk/dns/DNSListenerProxy.h')
-rw-r--r-- | netwerk/dns/DNSListenerProxy.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/netwerk/dns/DNSListenerProxy.h b/netwerk/dns/DNSListenerProxy.h new file mode 100644 index 0000000000..5baddfd8e7 --- /dev/null +++ b/netwerk/dns/DNSListenerProxy.h @@ -0,0 +1,62 @@ +/* -*- 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__ |