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/*
* 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.
*/
#ifndef AnimationTrigger_h
#define AnimationTrigger_h
#if ENABLE(CSS_ANIMATIONS_LEVEL_2)
#include "Length.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/TypeCasts.h>
namespace WebCore {
class AnimationTrigger : public RefCounted<AnimationTrigger> {
public:
virtual PassRefPtr<AnimationTrigger> clone() const = 0;
enum class AnimationTriggerType {
AutoAnimationTriggerType, ScrollAnimationTriggerType
};
virtual ~AnimationTrigger() { }
AnimationTriggerType type() const { return m_type; }
bool isAutoAnimationTrigger() const { return m_type == AnimationTriggerType::AutoAnimationTriggerType; }
bool isScrollAnimationTrigger() const { return m_type == AnimationTriggerType::ScrollAnimationTriggerType; }
virtual bool operator==(const AnimationTrigger& other) = 0;
protected:
AnimationTrigger(AnimationTriggerType type)
: m_type(type)
{
}
AnimationTriggerType m_type;
};
class AutoAnimationTrigger : public AnimationTrigger {
public:
static PassRefPtr<AutoAnimationTrigger> create()
{
return adoptRef(new AutoAnimationTrigger);
}
virtual ~AutoAnimationTrigger() { }
virtual bool operator==(const AnimationTrigger& other) override
{
return other.isAutoAnimationTrigger();
}
private:
AutoAnimationTrigger()
: AnimationTrigger(AnimationTriggerType::AutoAnimationTriggerType)
{
}
virtual PassRefPtr<AnimationTrigger> clone() const override
{
return adoptRef(new AutoAnimationTrigger);
}
};
class ScrollAnimationTrigger : public AnimationTrigger {
public:
static PassRefPtr<ScrollAnimationTrigger> create(Length startValue, Length endValue)
{
return adoptRef(new ScrollAnimationTrigger(startValue, endValue));
}
virtual ~ScrollAnimationTrigger() { }
virtual bool operator==(const AnimationTrigger& other) override
{
if (!other.isScrollAnimationTrigger())
return false;
const ScrollAnimationTrigger* otherTrigger = static_cast<const ScrollAnimationTrigger*>(&other);
return m_startValue == otherTrigger->m_startValue
&& m_endValue == otherTrigger->m_endValue
&& m_hasEndValue == otherTrigger->m_hasEndValue;
}
Length startValue() const { return m_startValue; }
void setStartValue(Length value)
{
m_startValue = value;
}
Length endValue() const { return m_endValue; }
void setEndValue(Length value)
{
m_endValue = value;
}
bool hasEndValue() const { return !m_endValue.isAuto() && m_endValue.value() > m_startValue.value(); }
private:
explicit ScrollAnimationTrigger(Length startValue, Length endValue)
: AnimationTrigger(AnimationTriggerType::ScrollAnimationTriggerType)
, m_startValue(startValue)
{
if (!endValue.isAuto() && endValue.value() > startValue.value())
m_endValue = endValue;
}
virtual PassRefPtr<AnimationTrigger> clone() const override
{
return adoptRef(new ScrollAnimationTrigger(m_startValue, m_endValue));
}
Length m_startValue;
Length m_endValue;
bool m_hasEndValue;
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_ANIMATION_TRIGGER(ToClassName, TriggerTest) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToClassName) \
static bool isType(const WebCore::AnimationTrigger& trigger) { return trigger.TriggerTest(); } \
SPECIALIZE_TYPE_TRAITS_END()
SPECIALIZE_TYPE_TRAITS_ANIMATION_TRIGGER(AutoAnimationTrigger, isAutoAnimationTrigger);
SPECIALIZE_TYPE_TRAITS_ANIMATION_TRIGGER(ScrollAnimationTrigger, isScrollAnimationTrigger);
#endif
#endif // AnimationTrigger_h
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