1/*
2 * Copyright (C) 2015, 2016 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#pragma once
27
28#include "ActiveDOMCallback.h"
29#include "Microtasks.h"
30#include <wtf/Function.h>
31
32namespace WebCore {
33
34class ActiveDOMCallbackMicrotask final : public Microtask, public ActiveDOMCallback {
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 WEBCORE_EXPORT ActiveDOMCallbackMicrotask(MicrotaskQueue&, ScriptExecutionContext&, WTF::Function<void ()>&&);
38 WEBCORE_EXPORT virtual ~ActiveDOMCallbackMicrotask();
39
40 Result run() override;
41
42private:
43 void contextDestroyed() override;
44
45 // FIXME: It should not be necessary to have the queue as a member. Instead, it should
46 // be accessed via the ScriptExecutionContext, which should hold a reference to the relevent
47 // queue.
48 MicrotaskQueue& m_queue;
49 WTF::Function<void ()> m_task;
50};
51
52} // namespace WebCore
53