40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
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#include "Animation.hpp"
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using namespace UI;
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Animation::Animation(std::function<void(int32_t)> aAnimator,
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int32_t aAnimationTime, int32_t aStart, int32_t aEnd)
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: mAnimator(aAnimator), mStart(aStart), mEnd(aEnd) {
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lv_anim_init(&mAnimation);
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mAnimation.user_data = this;
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lv_anim_set_custom_exec_cb(&mAnimation, AnimatorImpl);
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lv_anim_set_time(&mAnimation, aAnimationTime);
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}
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Animation::~Animation() { lv_anim_custom_del(&mAnimation, AnimatorImpl); }
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void Animation::HandleAnimationComplete(
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std::function<void()> onAnimationComplete) {
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mOnComplete = onAnimationComplete;
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}
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void Animation::Start() {
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lv_anim_set_values(&mAnimation, mStart, mEnd);
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lv_anim_start(&mAnimation);
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}
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void Animation::Reverse() {
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std::swap(mStart, mEnd);
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Start();
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}
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//////////////////////// Statics /////////////////////////////////////////
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void Animation::AnimatorImpl(lv_anim_t *aSelf, int32_t aNextValue) {
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auto self = reinterpret_cast<Animation *>(aSelf->user_data);
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self->mAnimator(aNextValue);
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// TODO This probably will not support Overshoot animations.
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if (self->mOnComplete && aNextValue == self->mEnd) {
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self->mOnComplete();
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}
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}
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