guardia-messenger/node_modules/react-native/ReactCommon/react/renderer/observers/intersection/IntersectionObserver.h
DESKTOP-TKLFCPRython f29f525c77 refactor: 101.79.17.164 → zioinfo.co.kr 전체 도메인 변환 + Manager UI 배포
- 37개 파일 IP → zioinfo.co.kr 치환 (소스/매뉴얼/설정/하네스)
- Manager DrConsole/NetworkConsole/CsapConsole 빌드 + /var/www/manager/ 배포
- 테스트: Manager HTTP 200, ITSM 신규 API 7개 전체 200

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-31 10:09:17 +09:00

81 lines
2.3 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <react/renderer/components/root/RootShadowNode.h>
#include <react/renderer/core/ShadowNode.h>
#include <react/renderer/graphics/Float.h>
#include <react/renderer/graphics/Rect.h>
#include <memory>
#include "IntersectionObserverState.h"
namespace facebook::react {
using IntersectionObserverObserverId = int32_t;
struct IntersectionObserverEntry {
IntersectionObserverObserverId intersectionObserverId;
ShadowNode::Shared shadowNode;
Rect targetRect;
Rect rootRect;
std::optional<Rect> intersectionRect;
bool isIntersectingAboveThresholds;
// TODO(T156529385) Define `DOMHighResTimeStamp` as an alias for `double` and
// use it here.
double time;
};
class IntersectionObserver {
public:
IntersectionObserver(
IntersectionObserverObserverId intersectionObserverId,
ShadowNode::Shared targetShadowNode,
std::vector<Float> thresholds);
// Partially equivalent to
// https://w3c.github.io/IntersectionObserver/#update-intersection-observations-algo
std::optional<IntersectionObserverEntry> updateIntersectionObservation(
const RootShadowNode& rootShadowNode,
double mountTime);
IntersectionObserverObserverId getIntersectionObserverId() const {
return intersectionObserverId_;
}
const ShadowNode& getTargetShadowNode() const {
return *targetShadowNode_;
}
std::vector<Float> getThresholds() const {
return thresholds_;
}
private:
Float getHighestThresholdCrossed(Float intersectionRatio);
std::optional<IntersectionObserverEntry> setIntersectingState(
const Rect& rootBoundingRect,
const Rect& targetBoundingRect,
const Rect& intersectionRect,
Float threshold,
double mountTime);
std::optional<IntersectionObserverEntry> setNotIntersectingState(
const Rect& rootBoundingRect,
const Rect& targetBoundingRect,
double mountTime);
IntersectionObserverObserverId intersectionObserverId_;
ShadowNode::Shared targetShadowNode_;
std::vector<Float> thresholds_;
mutable IntersectionObserverState state_ =
IntersectionObserverState::Initial();
};
} // namespace facebook::react