/* * Copyright (C) 2016 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. AND ITS CONTRIBUTORS ``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 ITS 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(INTERSECTION_OBSERVER) #include "IntersectionObserver.h" #include "Element.h" #include "IntersectionObserverCallback.h" #include "IntersectionObserverEntry.h" #include <wtf/Vector.h> namespace WebCore { IntersectionObserver::IntersectionObserver(Ref<IntersectionObserverCallback>&& callback, Init&& init) : m_root(init.root) , m_rootMargin(WTFMove(init.rootMargin)) , m_callback(WTFMove(callback)) { if (WTF::holds_alternative<double>(init.threshold)) m_thresholds.append(WTF::get<double>(init.threshold)); else m_thresholds = WTF::get<Vector<double>>(WTFMove(init.threshold)); } void IntersectionObserver::observe(Element&) { } void IntersectionObserver::unobserve(Element&) { } void IntersectionObserver::disconnect() { } Vector<RefPtr<IntersectionObserverEntry>> IntersectionObserver::takeRecords() { return { }; } } // namespace WebCore #endif // ENABLE(INTERSECTION_OBSERVER)