/* * 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. */ #include "config.h" #if ENABLE(VIDEO_TRACK) #include "JSTrackCustom.h" #include "JSAudioTrack.h" #include "JSTextTrack.h" #include "JSVideoTrack.h" using namespace JSC; namespace WebCore { TrackBase* toTrack(JSValue value) { if (!value.isObject()) return nullptr; JSObject* object = asObject(value); if (object->inherits(JSTextTrack::info())) return &jsCast<JSTextTrack*>(object)->wrapped(); if (object->inherits(JSAudioTrack::info())) return &jsCast<JSAudioTrack*>(object)->wrapped(); if (object->inherits(JSVideoTrack::info())) return &jsCast<JSVideoTrack*>(object)->wrapped(); return nullptr; } JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, TrackBase& track) { switch (track.type()) { case TrackBase::BaseTrack: // This should never happen. ASSERT_NOT_REACHED(); break; case TrackBase::AudioTrack: return wrap(state, globalObject, downcast<AudioTrack>(track)); case TrackBase::VideoTrack: return wrap(state, globalObject, downcast<VideoTrack>(track)); case TrackBase::TextTrack: return wrap(state, globalObject, downcast<TextTrack>(track)); } return jsNull(); } } // namespace WebCore #endif