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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/RenderStyleConstants.h>
#include <WebCore/StyleCoordinatedValueListValue.h>
#include <WebCore/StyleEasingFunction.h>
#include <WebCore/StyleSingleTransitionDelay.h>
#include <WebCore/StyleSingleTransitionDuration.h>
#include <WebCore/StyleSingleTransitionProperty.h>
#include <WebCore/StyleValueTypes.h>
namespace WebCore {
namespace Style {
// macro(ownerType, property, type, lowercaseName, uppercaseName)
#define FOR_EACH_TRANSITION_REFERENCE(macro) \
macro(Transition, TransitionProperty, SingleTransitionProperty, property, Property) \
macro(Transition, TransitionTimingFunction, EasingFunction, timingFunction, TimingFunction) \
\
#define FOR_EACH_TRANSITION_VALUE(macro) \
macro(Transition, TransitionDelay, SingleTransitionDelay, delay, Delay) \
macro(Transition, TransitionDuration, SingleTransitionDuration, duration, Duration) \
\
#define FOR_EACH_TRANSITION_ENUM(macro) \
macro(Transition, TransitionBehavior, TransitionBehavior, behavior, Behavior) \
\
#define FOR_EACH_TRANSITION_PROPERTY(macro) \
FOR_EACH_TRANSITION_REFERENCE(macro) \
FOR_EACH_TRANSITION_VALUE(macro) \
FOR_EACH_TRANSITION_ENUM(macro) \
\
struct Transition {
Transition();
Transition(SingleTransitionProperty&&);
const SingleTransitionProperty& property() const { return m_data->m_property; }
SingleTransitionDelay delay() const { return m_data->m_delay; }
SingleTransitionDuration duration() const { return m_data->m_duration; }
const EasingFunction& timingFunction() const { return m_data->m_timingFunction; }
TransitionBehavior behavior() const { return static_cast<TransitionBehavior>(m_data->m_behavior); }
static SingleTransitionProperty initialProperty() { return CSS::Keyword::All { }; }
static SingleTransitionDelay initialDelay() { return 0; }
static SingleTransitionDuration initialDuration() { return 0; }
static EasingFunction initialTimingFunction() { return EasingFunction { CubicBezierTimingFunction::create() }; }
static TransitionBehavior initialBehavior() { return TransitionBehavior::Normal; }
FOR_EACH_TRANSITION_REFERENCE(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_REFERENCE)
FOR_EACH_TRANSITION_VALUE(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_VALUE)
FOR_EACH_TRANSITION_ENUM(DECLARE_COORDINATED_VALUE_LIST_GETTER_AND_SETTERS_ENUM)
bool operator==(const Transition& other) const
{
return arePointingToEqualData(m_data, other.m_data);
}
// CoordinatedValueList interface.
static constexpr auto computedValueUsesUsedValues = false;
static constexpr auto baseProperty = PropertyNameConstant<CSSPropertyTransitionProperty> { };
static constexpr auto properties = std::tuple { FOR_EACH_TRANSITION_PROPERTY(DECLARE_COORDINATED_VALUE_LIST_PROPERTY) };
static Transition clone(const Transition& other) { return Transition { Data::create(other.m_data) }; }
bool isInitial() const { return m_data->m_property.isAll(); }
private:
struct Data : public 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;
SingleTransitionProperty m_property;
SingleTransitionDelay m_delay;
SingleTransitionDuration m_duration;
EasingFunction m_timingFunction;
PREFERRED_TYPE(TransitionBehavior) unsigned m_behavior : 1;
FOR_EACH_TRANSITION_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(); }
Transition(Ref<Data>&& data)
: m_data { WTFMove(data) }
{
}
Ref<Data> m_data;
};
FOR_EACH_TRANSITION_REFERENCE(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_REFERENCE)
FOR_EACH_TRANSITION_VALUE(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_VALUE)
FOR_EACH_TRANSITION_ENUM(DECLARE_COORDINATED_VALUE_LIST_PROPERTY_ACCESSOR_ENUM)
// MARK: - Logging
TextStream& operator<<(TextStream&, const Transition&);
#undef FOR_EACH_TRANSITION_REFERENCE
#undef FOR_EACH_TRANSITION_VALUE
#undef FOR_EACH_TRANSITION_ENUM
#undef FOR_EACH_TRANSITION_PROPERTY
} // namespace Style
} // namespace WebCore
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