/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 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 mozilla_ThreadEventTarget_h #define mozilla_ThreadEventTarget_h #include "mozilla/MemoryReporting.h" #include "mozilla/Mutex.h" #include "mozilla/SynchronizedEventQueue.h" // for ThreadTargetSink #include "nsISerialEventTarget.h" namespace mozilla { class DelayedRunnable; // ThreadEventTarget handles the details of posting an event to a thread. It can // be used with any ThreadTargetSink implementation. class ThreadEventTarget final : public nsISerialEventTarget { public: ThreadEventTarget(ThreadTargetSink* aSink, bool aIsMainThread, bool aBlockDispatch); NS_DECL_THREADSAFE_ISUPPORTS NS_DECL_NSIEVENTTARGET_FULL // Disconnects the target so that it can no longer post events. void Disconnect(const MutexAutoLock& aProofOfLock) { mSink->Disconnect(aProofOfLock); } // Sets the thread for which IsOnCurrentThread returns true to the current // thread. void SetCurrentThread(PRThread* aThread); // Call ClearCurrentThread() before the PRThread is deleted on thread join. void ClearCurrentThread(); size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; if (mSink) { n += mSink->SizeOfIncludingThis(aMallocSizeOf); } return aMallocSizeOf(this) + n; } #ifdef DEBUG static void XPCOMShutdownThreadsNotificationFinished(); #endif private: ~ThreadEventTarget(); RefPtr mSink; #ifdef DEBUG const bool mIsMainThread; #endif const bool mBlockDispatch; }; } // namespace mozilla #endif // mozilla_ThreadEventTarget_h