/* * Copyright (C) 2015 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 #include "HTMLElement.h" #include "MediaQueryEvaluator.h" namespace WebCore { class HTMLPictureElement final : public HTMLElement { public: static Ref<HTMLPictureElement> create(const QualifiedName&, Document&); virtual ~HTMLPictureElement(); void sourcesChanged(); void clearViewportDependentResults() { m_viewportDependentMediaQueryResults.clear(); } bool hasViewportDependentResults() const { return m_viewportDependentMediaQueryResults.size(); } Vector<MediaQueryResult>& viewportDependentResults() { return m_viewportDependentMediaQueryResults; } bool viewportChangeAffectedPicture() const; WeakPtr<HTMLPictureElement> createWeakPtr() { return m_weakFactory.createWeakPtr(); } private: HTMLPictureElement(const QualifiedName&, Document&); void didMoveToNewDocument(Document* oldDocument) final; WeakPtrFactory<HTMLPictureElement> m_weakFactory { this }; Vector<MediaQueryResult> m_viewportDependentMediaQueryResults; }; } // namespace WebCore