/* * Copyright (C) 2011, 2012 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) #include "TrackListBase.h" namespace WebCore { class TextTrack; class TextTrackList final : public TrackListBase { WTF_MAKE_ISO_ALLOCATED(TextTrackList); public: static Ref<TextTrackList> create(WeakPtr<HTMLMediaElement> element, ScriptExecutionContext* context) { auto list = adoptRef(*new TextTrackList(element, context)); list->suspendIfNeeded(); return list; } virtual ~TextTrackList(); void clearElement() override; unsigned length() const override; int getTrackIndex(TextTrack&); int getTrackIndexRelativeToRenderedTracks(TextTrack&); bool contains(TrackBase&) const override; TextTrack* item(unsigned index) const; TextTrack* getTrackById(const AtomString&); TextTrack* lastItem() const { return item(length() - 1); } void append(Ref<TextTrack>&&); void remove(TrackBase&, bool scheduleEvent = true) override; // EventTarget EventTargetInterface eventTargetInterface() const override; private: TextTrackList(WeakPtr<HTMLMediaElement>, ScriptExecutionContext*); const char* activeDOMObjectName() const final; void invalidateTrackIndexesAfterTrack(TextTrack&); Vector<RefPtr<TrackBase>> m_addTrackTracks; Vector<RefPtr<TrackBase>> m_elementTracks; }; } // namespace WebCore #endif // ENABLE(VIDEO)