/* * Copyright (C) 2011 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if ENABLE(VIDEO_TRACK) #include "AudioTrack.h" #include "Event.h" #include "TextTrack.h" #include "VideoTrack.h" namespace WebCore { class TrackEvent final : public Event { public: virtual ~TrackEvent(); static Ref<TrackEvent> create(const AtomicString& type, bool canBubble, bool cancelable, Ref<TrackBase>&& track) { return adoptRef(*new TrackEvent(type, canBubble, cancelable, WTFMove(track))); } using TrackEventTrack = Variant<RefPtr<VideoTrack>, RefPtr<AudioTrack>, RefPtr<TextTrack>>; struct Init : public EventInit { std::optional<TrackEventTrack> track; }; static Ref<TrackEvent> create(const AtomicString& type, Init&& initializer, IsTrusted isTrusted = IsTrusted::No) { return adoptRef(*new TrackEvent(type, WTFMove(initializer), isTrusted)); } std::optional<TrackEventTrack> track() const { return m_track; } private: TrackEvent(const AtomicString& type, bool canBubble, bool cancelable, Ref<TrackBase>&&); TrackEvent(const AtomicString& type, Init&& initializer, IsTrusted); EventInterface eventInterface() const override; std::optional<TrackEventTrack> m_track; }; } // namespace WebCore #endif // ENABLE(VIDEO_TRACK)