зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
1.5 KiB
C++
69 строки
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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#include "mozilla/EventQueue.h"
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#include "nsIRunnable.h"
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using namespace mozilla;
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EventQueue::EventQueue(EventPriority aPriority)
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{
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}
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void
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EventQueue::PutEvent(already_AddRefed<nsIRunnable>&& aEvent,
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EventPriority aPriority,
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const MutexAutoLock& aProofOfLock)
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{
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nsCOMPtr<nsIRunnable> event(aEvent);
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mQueue.Push(std::move(event));
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}
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already_AddRefed<nsIRunnable>
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EventQueue::GetEvent(EventPriority* aPriority,
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const MutexAutoLock& aProofOfLock)
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{
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if (mQueue.IsEmpty()) {
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return nullptr;
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}
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if (aPriority) {
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*aPriority = EventPriority::Normal;
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}
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nsCOMPtr<nsIRunnable> result = mQueue.Pop();
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return result.forget();
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}
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bool
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EventQueue::IsEmpty(const MutexAutoLock& aProofOfLock)
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{
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return mQueue.IsEmpty();
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}
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bool
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EventQueue::HasReadyEvent(const MutexAutoLock& aProofOfLock)
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{
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return !IsEmpty(aProofOfLock);
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}
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already_AddRefed<nsIRunnable>
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EventQueue::PeekEvent(const MutexAutoLock& aProofOfLock)
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{
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if (mQueue.IsEmpty()) {
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return nullptr;
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}
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nsCOMPtr<nsIRunnable> result = mQueue.FirstElement();
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return result.forget();
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}
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size_t
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EventQueue::Count(const MutexAutoLock& aProofOfLock) const
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{
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return mQueue.Count();
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}
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