| 61 | * threshold, accessibility description, and normalizes behavior across browsers and devices. |
| 62 | */ |
| 63 | export function useLongPress(props: LongPressProps): LongPressResult { |
| 64 | let { |
| 65 | isDisabled, |
| 66 | pointerType, |
| 67 | onLongPressStart, |
| 68 | onLongPressEnd, |
| 69 | onLongPress, |
| 70 | threshold = DEFAULT_THRESHOLD, |
| 71 | accessibilityDescription |
| 72 | } = props; |
| 73 | |
| 74 | const timeRef = useRef<ReturnType<typeof setTimeout> | undefined>(undefined); |
| 75 | let {addGlobalListener, removeAllGlobalListeners} = useGlobalListeners(); |
| 76 | let isAcceptedPointerType = (e: PressEvent) => |
| 77 | pointerType |
| 78 | ? e.pointerType === pointerType |
| 79 | : e.pointerType === 'mouse' || e.pointerType === 'touch'; |
| 80 | |
| 81 | let {pressProps} = usePress({ |
| 82 | isDisabled, |
| 83 | onPressStart(e) { |
| 84 | e.continuePropagation(); |
| 85 | if (isAcceptedPointerType(e)) { |
| 86 | if (onLongPressStart) { |
| 87 | onLongPressStart({ |
| 88 | ...e, |
| 89 | type: 'longpressstart' |
| 90 | }); |
| 91 | } |
| 92 | |
| 93 | timeRef.current = setTimeout(() => { |
| 94 | // Prevent other usePress handlers from also handling this event. |
| 95 | e.target.dispatchEvent(new PointerEvent('pointercancel', {bubbles: true})); |
| 96 | |
| 97 | // Prevent default click action (e.g. opening a link) after a long press. |
| 98 | addGlobalListener(e.target, 'click', e => e.preventDefault(), {once: true}); |
| 99 | |
| 100 | // Ensure target is focused. On touch devices, browsers typically focus on pointer up. |
| 101 | if (getOwnerDocument(e.target).activeElement !== e.target) { |
| 102 | focusWithoutScrolling(e.target as FocusableElement); |
| 103 | } |
| 104 | |
| 105 | if (onLongPress) { |
| 106 | onLongPress({ |
| 107 | ...e, |
| 108 | type: 'longpress' |
| 109 | }); |
| 110 | } |
| 111 | timeRef.current = undefined; |
| 112 | }, threshold); |
| 113 | |
| 114 | // Prevent context menu, which may be opened on long press on touch devices |
| 115 | if (e.pointerType === 'touch') { |
| 116 | addGlobalListener(e.target, 'contextmenu', e => e.preventDefault(), {once: true}); |
| 117 | } |
| 118 | |
| 119 | let ownerWindow = getOwnerWindow(e.target); |
| 120 | addGlobalListener( |