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103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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* Copyright (C) 2013 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PLATFORM_ANIMATION_ANIMATIONVALUE_H_
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#define SKY_ENGINE_PLATFORM_ANIMATION_ANIMATIONVALUE_H_
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#include "flutter/sky/engine/platform/animation/TimingFunction.h"
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#include "flutter/sky/engine/platform/transforms/TransformOperations.h"
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#include "flutter/sky/engine/wtf/PassRefPtr.h"
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#include "flutter/sky/engine/wtf/RefPtr.h"
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namespace blink {
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// Base class for animation values (also used for transitions). Here to
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// represent values for properties being animated via the GraphicsLayer,
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// without pulling in style-related data from outside of the platform directory.
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class AnimationValue {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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explicit AnimationValue(double keyTime,
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PassRefPtr<TimingFunction> timingFunction = nullptr)
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: m_keyTime(keyTime), m_timingFunction(timingFunction) {}
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virtual ~AnimationValue() {}
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double keyTime() const { return m_keyTime; }
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const TimingFunction* timingFunction() const {
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return m_timingFunction.get();
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}
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virtual PassOwnPtr<AnimationValue> clone() const = 0;
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private:
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double m_keyTime;
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RefPtr<TimingFunction> m_timingFunction;
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};
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// Used to store one float value of an animation.
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class FloatAnimationValue final : public AnimationValue {
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public:
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FloatAnimationValue(double keyTime,
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float value,
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PassRefPtr<TimingFunction> timingFunction = nullptr)
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: AnimationValue(keyTime, timingFunction), m_value(value) {}
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virtual PassOwnPtr<AnimationValue> clone() const override {
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return adoptPtr(new FloatAnimationValue(*this));
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}
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float value() const { return m_value; }
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private:
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float m_value;
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};
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// Used to store one transform value in a keyframe list.
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class TransformAnimationValue final : public AnimationValue {
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public:
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explicit TransformAnimationValue(
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double keyTime,
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const TransformOperations* value = 0,
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PassRefPtr<TimingFunction> timingFunction = nullptr)
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: AnimationValue(keyTime, timingFunction) {
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if (value)
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m_value = *value;
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}
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virtual PassOwnPtr<AnimationValue> clone() const override {
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return adoptPtr(new TransformAnimationValue(*this));
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}
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const TransformOperations* value() const { return &m_value; }
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private:
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TransformOperations m_value;
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};
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_ANIMATION_ANIMATIONVALUE_H_
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