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9b66e8f0f3
MozReview-Commit-ID: J4EdwUWfyPK --HG-- extra : rebase_source : 4731cec2d04531d6b519fc076cb53f962b4f9f6f
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ThreadEventTarget_h
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#define mozilla_ThreadEventTarget_h
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/SynchronizedEventQueue.h" // for ThreadTargetSink
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#include "nsISerialEventTarget.h"
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namespace mozilla {
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// ThreadEventTarget handles the details of posting an event to a thread. It can
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// be used with any ThreadTargetSink implementation.
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class ThreadEventTarget final : public nsISerialEventTarget
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{
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public:
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ThreadEventTarget(ThreadTargetSink* aSink,
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bool aIsMainThread);
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIEVENTTARGET_FULL
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// Disconnects the target so that it can no longer post events.
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void Disconnect(const MutexAutoLock& aProofOfLock) { mSink->Disconnect(aProofOfLock); }
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// Sets the thread for which IsOnCurrentThread returns true to the current thread.
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void SetCurrentThread();
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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size_t n = 0;
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if (mSink) {
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n += mSink->SizeOfIncludingThis(aMallocSizeOf);
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}
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return aMallocSizeOf(this) + n;
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}
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private:
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~ThreadEventTarget() {}
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RefPtr<ThreadTargetSink> mSink;
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bool mIsMainThread;
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};
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} // namespace mozilla
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#endif // mozilla_ThreadEventTarget_h
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