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 | |
29 | namespace WebCore { |
30 | |
31 | ActiveDOMCallbackMicrotask::ActiveDOMCallbackMicrotask(MicrotaskQueue& queue, ScriptExecutionContext& scriptExecutionContext, Function<void()>&& task) |
32 | : ActiveDOMCallback(&scriptExecutionContext) |
33 | , m_queue(queue) |
34 | , m_task(WTFMove(task)) |
35 | { |
36 | } |
37 | |
38 | ActiveDOMCallbackMicrotask::~ActiveDOMCallbackMicrotask() = default; |
39 | |
40 | Microtask::Result ActiveDOMCallbackMicrotask::run() |
41 | { |
42 | if (!canInvokeCallback()) |
43 | return Result::KeepInQueue; |
44 | |
45 | m_task(); |
46 | return Result::Done; |
47 | } |
48 | |
49 | void 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 | |