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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 <WebCore/CSSPropertyNames.h>
#include <WebCore/CompositeOperation.h>
#include <WebCore/RenderStyleConstants.h>
#include <WebCore/StyleCoordinatedValueListValue.h>
#include <WebCore/StyleEasingFunction.h>
#include <WebCore/StyleSingleAnimationDelay.h>
#include <WebCore/StyleSingleAnimationDuration.h>
#include <WebCore/StyleSingleAnimationIterationCount.h>
#include <WebCore/StyleSingleAnimationName.h>
#include <WebCore/StyleSingleAnimationRange.h>
#include <WebCore/StyleSingleAnimationTimeline.h>
#include <WebCore/StyleValueTypes.h>
namespace WebCore {
namespace Style {
// macro(ownerType, property, type, lowercaseName, uppercaseName)
#define FOR_EACH_ANIMATION_REFERENCE(macro) \
macro(Animation, AnimationName, SingleAnimationName, name, Name) \
macro(Animation, AnimationTimeline, SingleAnimationTimeline, timeline, Timeline) \
macro(Animation, AnimationTimingFunction, EasingFunction, timingFunction, TimingFunction) \
macro(Animation, AnimationRangeStart, SingleAnimationRangeStart, rangeStart, RangeStart) \
macro(Animation, AnimationRangeEnd, SingleAnimationRangeEnd, rangeEnd, RangeEnd) \
\
#define FOR_EACH_ANIMATION_VALUE(macro) \
macro(Animation, AnimationDelay, SingleAnimationDelay, delay, Delay) \
macro(Animation, AnimationDuration, SingleAnimationDuration, duration, Duration) \
macro(Animation, AnimationIterationCount, SingleAnimationIterationCount, iterationCount, IterationCount) \
\
#define FOR_EACH_ANIMATION_ENUM(macro) \
macro(Animation, AnimationDirection, AnimationDirection, direction, Direction) \
macro(Animation, AnimationFillMode, AnimationFillMode, fillMode, FillMode) \
macro(Animation, AnimationPlayState, AnimationPlayState, playState, PlayState) \
macro(Animation, AnimationComposition, CompositeOperation, compositeOperation, CompositeOperation) \
\
#define FOR_EACH_ANIMATION_SHORTHAND(macro) \
macro(Animation, AnimationRange, SingleAnimationRange, range, Range) \
\
#define FOR_EACH_ANIMATION_PROPERTY(macro) \
FOR_EACH_ANIMATION_REFERENCE(macro) \
FOR_EACH_ANIMATION_VALUE(macro) \
FOR_EACH_ANIMATION_ENUM(macro) \
\
struct Animation {
Animation();
Animation(SingleAnimationName&&);
const SingleAnimationName& name() const { return m_data->m_name; }
SingleAnimationDelay delay() const { return m_data->m_delay; }
AnimationDirection direction() const { return static_cast<AnimationDirection>(m_data->m_direction); }
SingleAnimationDuration duration() const { return m_data->m_duration; }
AnimationFillMode fillMode() const { return static_cast<AnimationFillMode>(m_data->m_fillMode); }
SingleAnimationIterationCount iterationCount() const { return m_data->m_iterationCount; }
AnimationPlayState playState() const { return static_cast<AnimationPlayState>(m_data->m_playState); }
const SingleAnimationTimeline& timeline() const { return m_data->m_timeline; }
const EasingFunction& timingFunction() const { return m_data->m_timingFunction; }
CompositeOperation compositeOperation() const { return static_cast<CompositeOperation>(m_data->m_compositeOperation); }
const SingleAnimationRangeStart& rangeStart() const { return m_data->m_rangeStart; }
const SingleAnimationRangeEnd& rangeEnd() const { return m_data->m_rangeEnd; }
static SingleAnimationName initialName() { return CSS::Keyword::None { }; }
static SingleAnimationDelay initialDelay() { return 0; }
static AnimationDirection initialDirection() { return AnimationDirection::Normal; }
static SingleAnimationDuration initialDuration() { return CSS::Keyword::Auto { }; }
static AnimationFillMode initialFillMode() { return AnimationFillMode::None; }
static SingleAnimationIterationCount initialIterationCount() { return 1.0; }
static AnimationPlayState initialPlayState() { return AnimationPlayState::Running; }
static CompositeOperation initialCompositeOperation() { return CompositeOperation::Replace; }
static SingleAnimationTimeline initialTimeline() { return CSS::Keyword::Auto { }; }
static EasingFunction initialTimingFunction() { return EasingFunction { CubicBezierTimingFunction::create() }; }
static SingleAnimationRangeStart initialRangeStart() { return CSS::Keyword::Normal { }; }
static SingleAnimationRangeEnd initialRangeEnd() { return CSS::Keyword::Normal { }; }
const std::optional<EasingFunction>& defaultTimingFunctionForKeyframes() const { return m_data->m_defaultTimingFunctionForKeyframes; }
void setDefaultTimingFunctionForKeyframes(std::optional<EasingFunction>&& function) { m_data->m_defaultTimingFunctionForKeyframes = WTFMove(function); }
FOR_EACH_ANIMATION_REFERENCE(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_REFERENCE)
FOR_EACH_ANIMATION_VALUE(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_VALUE)
FOR_EACH_ANIMATION_ENUM(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_ENUM)
// Support for the `animation-range` shorthand.
static SingleAnimationRange initialRange() { return { initialRangeStart(), initialRangeEnd() }; }
SingleAnimationRange range() const { return { rangeStart(), rangeEnd() }; }
void setRange(SingleAnimationRange&& range) { setRangeStart(WTFMove(range.start)); setRangeEnd(WTFMove(range.end)); }
void fillRange(SingleAnimationRange&& range) { fillRangeStart(WTFMove(range.start)); fillRangeEnd(WTFMove(range.end)); }
void clearRange() { clearRangeStart(); clearRangeEnd(); }
bool isRangeUnset() const { return isRangeStartUnset() && isRangeEndUnset(); }
bool isRangeSet() const { return isRangeStartSet() || isRangeEndSet(); }
bool isRangeFilled() const { return isRangeStartFilled() || isRangeEndFilled(); }
// Used for animation composite order sorting needed when backing a CSSAnimation object.
// https://drafts.csswg.org/css-animations-2/#animation-composite-order
uint64_t sortingIdentity() const { return reinterpret_cast<uint64_t>(m_data.ptr()); }
bool operator==(const Animation& other) const
{
return arePointingToEqualData(m_data, other.m_data);
}
// CoordinatedValueList interface.
static constexpr auto computedValueUsesUsedValues = false;
static constexpr auto baseProperty = PropertyNameConstant<CSSPropertyAnimationName> { };
static constexpr auto properties = std::tuple { FOR_EACH_ANIMATION_PROPERTY(DECLARE_COORDINATED_VALUE_LIST_PROPERTY) };
static Animation clone(const Animation& other) { return Animation { Data::create(other.m_data) }; }
bool isInitial() const { return m_data->m_name.isNone(); }
private:
struct Data : RefCounted<Data> {
static Ref<Data> create() { return adoptRef(*new Data()); }
static Ref<Data> create(const Data& other) { return adoptRef(*new Data(other)); }
Data();
Data(const Data&);
bool operator==(const Data&) const;
SingleAnimationName m_name;
SingleAnimationDelay m_delay;
SingleAnimationDuration m_duration;
SingleAnimationIterationCount m_iterationCount;
SingleAnimationTimeline m_timeline;
EasingFunction m_timingFunction;
std::optional<EasingFunction> m_defaultTimingFunctionForKeyframes;
SingleAnimationRangeStart m_rangeStart;
SingleAnimationRangeEnd m_rangeEnd;
PREFERRED_TYPE(AnimationDirection) unsigned m_direction : 2;
PREFERRED_TYPE(AnimationFillMode) unsigned m_fillMode : 2;
PREFERRED_TYPE(AnimationPlayState) unsigned m_playState : 2;
PREFERRED_TYPE(CompositeOperation) unsigned m_compositeOperation : 2;
FOR_EACH_ANIMATION_PROPERTY(DECLARE_COORDINATED_VALUE_LIST_IS_SET_AND_IS_FILLED_MEMBERS)
};
// Needed by macros to access members.
Data& data() { return m_data.get(); }
const Data& data() const { return m_data.get(); }
Animation(Ref<Data>&& data)
: m_data { WTFMove(data) }
{
}
Ref<Data> m_data;
};
FOR_EACH_ANIMATION_REFERENCE(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_REFERENCE)
FOR_EACH_ANIMATION_VALUE(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_VALUE)
FOR_EACH_ANIMATION_ENUM(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_ENUM)
FOR_EACH_ANIMATION_SHORTHAND(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_SHORTHAND)
// MARK: - Logging
TextStream& operator<<(TextStream&, const Animation&);
#undef FOR_EACH_ANIMATION_REFERENCE
#undef FOR_EACH_ANIMATION_VALUE
#undef FOR_EACH_ANIMATION_ENUM
#undef FOR_EACH_ANIMATION_SHORTHAND
#undef FOR_EACH_ANIMATION_PROPERTY
} // namespace Style
} // namespace WebCore
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