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#include "config.h"
27
28#if ENABLE(VIDEO_TRACK)
29
30#include "TrackEvent.h"
31
32namespace WebCore {
33
34static inline Optional<TrackEvent::TrackEventTrack> convertToTrackEventTrack(Ref<TrackBase>&& track)
35{
36 switch (track->type()) {
37 case TrackBase::BaseTrack:
38 return WTF::nullopt;
39 case TrackBase::TextTrack:
40 return TrackEvent::TrackEventTrack { RefPtr<TextTrack>(&downcast<TextTrack>(track.get())) };
41 case TrackBase::AudioTrack:
42 return TrackEvent::TrackEventTrack { RefPtr<AudioTrack>(&downcast<AudioTrack>(track.get())) };
43 case TrackBase::VideoTrack:
44 return TrackEvent::TrackEventTrack { RefPtr<VideoTrack>(&downcast<VideoTrack>(track.get())) };
45 }
46
47 ASSERT_NOT_REACHED();
48 return WTF::nullopt;
49}
50
51TrackEvent::TrackEvent(const AtomicString& type, CanBubble canBubble, IsCancelable cancelable, Ref<TrackBase>&& track)
52 : Event(type, canBubble, cancelable)
53 , m_track(convertToTrackEventTrack(WTFMove(track)))
54{
55}
56
57TrackEvent::TrackEvent(const AtomicString& type, Init&& initializer, IsTrusted isTrusted)
58 : Event(type, initializer, isTrusted)
59 , m_track(WTFMove(initializer.track))
60{
61}
62
63TrackEvent::~TrackEvent() = default;
64
65EventInterface TrackEvent::eventInterface() const
66{
67 return TrackEventInterfaceType;
68}
69
70} // namespace WebCore
71
72#endif
73