lib/src/dom/intersection_observer.dart

// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// Generated from Web IDL definitions.

import 'dart:js_interop';

import 'dom.dart';
import 'geometry.dart';
import 'hr_time.dart';

typedef IntersectionObserverCallback = JSFunction;

@JS('IntersectionObserver')
@staticInterop
class IntersectionObserver {
  external factory IntersectionObserver(
    IntersectionObserverCallback callback, [
    IntersectionObserverInit options,
  ]);
}

extension IntersectionObserverExtension on IntersectionObserver {
  external void observe(Element target);
  external void unobserve(Element target);
  external void disconnect();
  external JSArray takeRecords();
  external JSObject? get root;
  external String get rootMargin;
  external String get scrollMargin;
  external JSArray get thresholds;
}

@JS('IntersectionObserverEntry')
@staticInterop
class IntersectionObserverEntry {
  external factory IntersectionObserverEntry(
      IntersectionObserverEntryInit intersectionObserverEntryInit);
}

extension IntersectionObserverEntryExtension on IntersectionObserverEntry {
  external DOMHighResTimeStamp get time;
  external DOMRectReadOnly? get rootBounds;
  external DOMRectReadOnly get boundingClientRect;
  external DOMRectReadOnly get intersectionRect;
  external bool get isIntersecting;
  external num get intersectionRatio;
  external Element get target;
}

@JS()
@staticInterop
@anonymous
class IntersectionObserverEntryInit {
  external factory IntersectionObserverEntryInit({
    required DOMHighResTimeStamp time,
    required DOMRectInit? rootBounds,
    required DOMRectInit boundingClientRect,
    required DOMRectInit intersectionRect,
    required bool isIntersecting,
    required num intersectionRatio,
    required Element target,
  });
}

extension IntersectionObserverEntryInitExtension
    on IntersectionObserverEntryInit {
  external set time(DOMHighResTimeStamp value);
  external DOMHighResTimeStamp get time;
  external set rootBounds(DOMRectInit? value);
  external DOMRectInit? get rootBounds;
  external set boundingClientRect(DOMRectInit value);
  external DOMRectInit get boundingClientRect;
  external set intersectionRect(DOMRectInit value);
  external DOMRectInit get intersectionRect;
  external set isIntersecting(bool value);
  external bool get isIntersecting;
  external set intersectionRatio(num value);
  external num get intersectionRatio;
  external set target(Element value);
  external Element get target;
}

@JS()
@staticInterop
@anonymous
class IntersectionObserverInit {
  external factory IntersectionObserverInit({
    JSObject? root,
    String rootMargin,
    String scrollMargin,
    JSAny threshold,
  });
}

extension IntersectionObserverInitExtension on IntersectionObserverInit {
  external set root(JSObject? value);
  external JSObject? get root;
  external set rootMargin(String value);
  external String get rootMargin;
  external set scrollMargin(String value);
  external String get scrollMargin;
  external set threshold(JSAny value);
  external JSAny get threshold;
}