64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "IntersectionObserverState.h"
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namespace facebook::react {
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IntersectionObserverState IntersectionObserverState::Initial() {
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static const IntersectionObserverState state =
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IntersectionObserverState(IntersectionObserverStateType::Initial);
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return state;
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}
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IntersectionObserverState IntersectionObserverState::NotIntersecting() {
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static const IntersectionObserverState state =
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IntersectionObserverState(IntersectionObserverStateType::NotIntersecting);
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return state;
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}
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IntersectionObserverState IntersectionObserverState::Intersecting(
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Float threshold,
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Float rootThreshold) {
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return {
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IntersectionObserverStateType::Intersecting, threshold, rootThreshold};
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}
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IntersectionObserverState::IntersectionObserverState(
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IntersectionObserverStateType state)
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: state_(state) {}
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IntersectionObserverState::IntersectionObserverState(
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IntersectionObserverStateType state,
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Float threshold,
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Float rootThreshold)
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: state_(state), threshold_(threshold), rootThreshold_(rootThreshold) {}
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bool IntersectionObserverState::isIntersecting() const {
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return state_ == IntersectionObserverStateType::Intersecting;
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}
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bool IntersectionObserverState::operator==(
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const IntersectionObserverState& other) const {
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if (state_ != other.state_) {
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return false;
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}
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if (state_ != IntersectionObserverStateType::Intersecting) {
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return true;
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}
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return threshold_ == other.threshold_ &&
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rootThreshold_ == other.rootThreshold_;
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}
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bool IntersectionObserverState::operator!=(
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const IntersectionObserverState& other) const {
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return !(*this == other);
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}
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} // namespace facebook::react
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