1/*
2 * Copyright (C) 2011 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(VIDEO_TRACK)
29
30#include "AudioTrack.h"
31#include "Event.h"
32#include "TextTrack.h"
33#include "VideoTrack.h"
34
35namespace WebCore {
36
37class TrackEvent final : public Event {
38public:
39 virtual ~TrackEvent();
40
41 static Ref<TrackEvent> create(const AtomString& type, CanBubble canBubble, IsCancelable cancelable, Ref<TrackBase>&& track)
42 {
43 return adoptRef(*new TrackEvent(type, canBubble, cancelable, WTFMove(track)));
44 }
45
46 using TrackEventTrack = Variant<RefPtr<VideoTrack>, RefPtr<AudioTrack>, RefPtr<TextTrack>>;
47
48 struct Init : public EventInit {
49 Optional<TrackEventTrack> track;
50 };
51
52 static Ref<TrackEvent> create(const AtomString& type, Init&& initializer, IsTrusted isTrusted = IsTrusted::No)
53 {
54 return adoptRef(*new TrackEvent(type, WTFMove(initializer), isTrusted));
55 }
56
57 Optional<TrackEventTrack> track() const { return m_track; }
58
59private:
60 TrackEvent(const AtomString& type, CanBubble, IsCancelable, Ref<TrackBase>&&);
61 TrackEvent(const AtomString& type, Init&& initializer, IsTrusted);
62
63 EventInterface eventInterface() const override;
64
65 Optional<TrackEventTrack> m_track;
66};
67
68} // namespace WebCore
69
70#endif // ENABLE(VIDEO_TRACK)
71