@itwin/core-react
Version:
A react component library of iTwin.js UI general purpose components
99 lines • 3.9 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Utilities
*/
import * as React from "react";
import { hasPointerEventsSupport } from "../../base/PointerEvents.js";
import { Timer } from "../Timer.js";
/** Invokes onOutsideClick handler when user clicks outside of referenced element.
* @public
* @deprecated in 4.15.0. Used internally.
*/
export function useOnOutsideClick(onOutsideClick,
/** Invoked for intermediate events. Return `false` to prevent outside click. */
outsideEventPredicate) {
const handleMouseEvents = React.useRef(true);
const handleMouseEventsTimer = React.useRef(new Timer(1000));
const ref = React.useRef(null);
const isDownOutside = React.useRef(false);
React.useEffect(() => {
const listener = (e) => {
if (e.type === "touchstart") {
// Skip mouse event handlers after touch event.
handleMouseEvents.current = false;
handleMouseEventsTimer.current.start();
}
else if (e.type === "mousedown" && !handleMouseEvents.current) {
return;
}
const isOutsideEvent = !outsideEventPredicate || outsideEventPredicate(e);
isDownOutside.current =
!!ref.current &&
e.target instanceof Node &&
!ref.current.contains(e.target) &&
isOutsideEvent;
};
if (hasPointerEventsSupport()) {
document.addEventListener("pointerdown", listener);
}
else {
document.addEventListener("mousedown", listener);
document.addEventListener("touchstart", listener);
}
return () => {
if (hasPointerEventsSupport()) {
document.removeEventListener("pointerdown", listener);
}
else {
document.removeEventListener("mousedown", listener);
document.removeEventListener("touchstart", listener);
}
};
}, [outsideEventPredicate]);
React.useEffect(() => {
const listener = (e) => {
if (e.type === "mouseup" && !handleMouseEvents.current) {
return;
}
onOutsideClick &&
isDownOutside.current &&
(!outsideEventPredicate || outsideEventPredicate(e)) &&
ref.current &&
e.target instanceof Node &&
!ref.current.contains(e.target) &&
onOutsideClick();
isDownOutside.current = false;
};
if (hasPointerEventsSupport()) {
document.addEventListener("pointerup", listener);
}
else {
document.addEventListener("mouseup", listener);
document.addEventListener("touchend", listener);
}
return () => {
if (hasPointerEventsSupport()) {
document.removeEventListener("pointerup", listener);
}
else {
document.removeEventListener("mouseup", listener);
document.removeEventListener("touchend", listener);
}
};
}, [onOutsideClick, outsideEventPredicate]);
React.useEffect(() => {
const listener = () => {
handleMouseEvents.current = true;
};
const timer = handleMouseEventsTimer.current;
timer.setOnExecute(listener);
return () => {
timer.setOnExecute(undefined);
};
}, []);
return ref;
}
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