1 | /* |
2 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
3 | * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) |
4 | * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
5 | * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved. |
6 | * |
7 | * This library is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Library General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2 of the License, or (at your option) any later version. |
11 | * |
12 | * This library is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Library General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Library General Public License |
18 | * along with this library; see the file COPYING.LIB. If not, write to |
19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | * Boston, MA 02110-1301, USA. |
21 | * |
22 | */ |
23 | |
24 | #pragma once |
25 | |
26 | #include "EventListener.h" |
27 | #include <wtf/Ref.h> |
28 | |
29 | namespace WebCore { |
30 | |
31 | // https://dom.spec.whatwg.org/#concept-event-listener |
32 | class RegisteredEventListener : public RefCounted<RegisteredEventListener> { |
33 | public: |
34 | struct Options { |
35 | Options(bool capture = false, bool passive = false, bool once = false) |
36 | : capture(capture) |
37 | , passive(passive) |
38 | , once(once) |
39 | { } |
40 | |
41 | bool capture; |
42 | bool passive; |
43 | bool once; |
44 | }; |
45 | |
46 | static Ref<RegisteredEventListener> create(Ref<EventListener>&& listener, const Options& options) |
47 | { |
48 | return adoptRef(*new RegisteredEventListener(WTFMove(listener), options)); |
49 | } |
50 | |
51 | EventListener& callback() const { return m_callback; } |
52 | bool useCapture() const { return m_useCapture; } |
53 | bool isPassive() const { return m_isPassive; } |
54 | bool isOnce() const { return m_isOnce; } |
55 | bool wasRemoved() const { return m_wasRemoved; } |
56 | |
57 | void markAsRemoved() { m_wasRemoved = true; } |
58 | |
59 | private: |
60 | RegisteredEventListener(Ref<EventListener>&& listener, const Options& options) |
61 | : m_callback(WTFMove(listener)) |
62 | , m_useCapture(options.capture) |
63 | , m_isPassive(options.passive) |
64 | , m_isOnce(options.once) |
65 | { |
66 | } |
67 | |
68 | Ref<EventListener> m_callback; |
69 | bool m_useCapture { false }; |
70 | bool m_isPassive { false }; |
71 | bool m_isOnce { false }; |
72 | bool m_wasRemoved { false }; |
73 | }; |
74 | |
75 | } // namespace WebCore |
76 | |