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Diffstat (limited to 'Source/WebCore/page/IntersectionObserverEntry.h')
-rw-r--r-- | Source/WebCore/page/IntersectionObserverEntry.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/Source/WebCore/page/IntersectionObserverEntry.h b/Source/WebCore/page/IntersectionObserverEntry.h new file mode 100644 index 000000000..638d4b814 --- /dev/null +++ b/Source/WebCore/page/IntersectionObserverEntry.h @@ -0,0 +1,79 @@ +/* + * 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. + */ + +#pragma once + +#if ENABLE(INTERSECTION_OBSERVER) + +#include "DOMRectReadOnly.h" +#include "Element.h" +#include <wtf/RefCounted.h> +#include <wtf/Vector.h> +#include <wtf/text/WTFString.h> + +namespace WebCore { + +class Element; + +class IntersectionObserverEntry : public RefCounted<IntersectionObserverEntry> { + WTF_MAKE_FAST_ALLOCATED; +public: + + struct Init { + double time; + DOMRectInit rootBounds; + DOMRectInit boundingClientRect; + DOMRectInit intersectionRect; + RefPtr<Element> target; + }; + + static Ref<IntersectionObserverEntry> create(const Init& init) + { + return WTF::adoptRef(*new IntersectionObserverEntry(init)); + } + + double time() const { return m_time; } + RefPtr<DOMRectReadOnly> rootBounds() const { return m_rootBounds; } + RefPtr<DOMRectReadOnly> boundingClientRect() const { return m_boundingClientRect; } + RefPtr<DOMRectReadOnly> intersectionRect() const { return m_intersectionRect; } + RefPtr<Element> target() const { return m_target; } + + double intersectionRatio() const { return m_intersectionRatio; } + +private: + IntersectionObserverEntry(const Init&); + + double m_time { 0 }; + RefPtr<DOMRectReadOnly> m_rootBounds; + RefPtr<DOMRectReadOnly> m_boundingClientRect; + RefPtr<DOMRectReadOnly> m_intersectionRect; + double m_intersectionRatio { 0 }; + RefPtr<Element> m_target; +}; + + +} // namespace WebCore + +#endif // ENABLE(INTERSECTION_OBSERVER) |