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/*
* Copyright (C) 2023 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"
#include "ScrollTimeline.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSScrollValue.h"
#include "CSSValuePool.h"
#include "Element.h"
namespace WebCore {
Ref<ScrollTimeline> ScrollTimeline::create(ScrollTimelineOptions&& options)
{
return adoptRef(*new ScrollTimeline(WTFMove(options)));
}
Ref<ScrollTimeline> ScrollTimeline::create(const AtomString& name, ScrollAxis axis)
{
return adoptRef(*new ScrollTimeline(name, axis));
}
Ref<ScrollTimeline> ScrollTimeline::createFromCSSValue(const CSSScrollValue& cssScrollValue)
{
auto scroller = [&]() {
auto scrollerValue = cssScrollValue.scroller();
if (!scrollerValue)
return Scroller::Nearest;
switch (scrollerValue->valueID()) {
case CSSValueNearest:
return Scroller::Nearest;
case CSSValueRoot:
return Scroller::Root;
case CSSValueSelf:
return Scroller::Self;
default:
ASSERT_NOT_REACHED();
return Scroller::Nearest;
}
}();
auto axisValue = cssScrollValue.axis();
auto axis = axisValue ? fromCSSValueID<ScrollAxis>(axisValue->valueID()) : ScrollAxis::Block;
return adoptRef(*new ScrollTimeline(scroller, axis));
}
ScrollTimeline::ScrollTimeline(ScrollTimelineOptions&& options)
: m_source(WTFMove(options.source))
, m_axis(options.axis)
{
}
ScrollTimeline::ScrollTimeline(const AtomString& name, ScrollAxis axis)
: m_axis(axis)
, m_name(name)
{
}
ScrollTimeline::ScrollTimeline(Scroller scroller, ScrollAxis axis)
: m_axis(axis)
, m_scroller(scroller)
{
}
Ref<CSSValue> ScrollTimeline::toCSSValue() const
{
auto scroller = [&]() {
switch (m_scroller) {
case Scroller::Nearest:
return CSSValueNearest;
case Scroller::Root:
return CSSValueRoot;
case Scroller::Self:
return CSSValueSelf;
default:
ASSERT_NOT_REACHED();
return CSSValueNearest;
}
}();
return CSSScrollValue::create(CSSPrimitiveValue::create(scroller), CSSPrimitiveValue::create(toCSSValueID(m_axis)));
}
} // namespace WebCore
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