1/*
2 * Copyright (C) 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ActiveDOMCallbackMicrotask.h"
28
29namespace WebCore {
30
31ActiveDOMCallbackMicrotask::ActiveDOMCallbackMicrotask(MicrotaskQueue& queue, ScriptExecutionContext& scriptExecutionContext, Function<void()>&& task)
32 : ActiveDOMCallback(&scriptExecutionContext)
33 , m_queue(queue)
34 , m_task(WTFMove(task))
35{
36}
37
38ActiveDOMCallbackMicrotask::~ActiveDOMCallbackMicrotask() = default;
39
40Microtask::Result ActiveDOMCallbackMicrotask::run()
41{
42 if (!canInvokeCallback())
43 return Result::KeepInQueue;
44
45 m_task();
46 return Result::Done;
47}
48
49void ActiveDOMCallbackMicrotask::contextDestroyed()
50{
51 // NOTE: Calling the function below will cause this to be destroyed.
52 removeSelfFromQueue(m_queue);
53}
54
55} // namespace WebCore
56