| 59 | * threshold, accessibility description, and normalizes behavior across browsers and devices. |
| 60 | */ |
| 61 | export function useLongPress(props: LongPressProps): LongPressResult { |
| 62 | let { |
| 63 | isDisabled, |
| 64 | onLongPressStart, |
| 65 | onLongPressEnd, |
| 66 | onLongPress, |
| 67 | threshold = DEFAULT_THRESHOLD, |
| 68 | accessibilityDescription |
| 69 | } = props; |
| 70 | |
| 71 | const timeRef = useRef<ReturnType<typeof setTimeout> | undefined>(undefined); |
| 72 | let {addGlobalListener, removeGlobalListener} = useGlobalListeners(); |
| 73 | |
| 74 | let {pressProps} = usePress({ |
| 75 | isDisabled, |
| 76 | onPressStart(e) { |
| 77 | e.continuePropagation(); |
| 78 | if (e.pointerType === 'mouse' || e.pointerType === 'touch') { |
| 79 | if (onLongPressStart) { |
| 80 | onLongPressStart({ |
| 81 | ...e, |
| 82 | type: 'longpressstart' |
| 83 | }); |
| 84 | } |
| 85 | |
| 86 | timeRef.current = setTimeout(() => { |
| 87 | // Prevent other usePress handlers from also handling this event. |
| 88 | e.target.dispatchEvent(new PointerEvent('pointercancel', {bubbles: true})); |
| 89 | |
| 90 | // Ensure target is focused. On touch devices, browsers typically focus on pointer up. |
| 91 | if (getOwnerDocument(e.target).activeElement !== e.target) { |
| 92 | focusWithoutScrolling(e.target as FocusableElement); |
| 93 | } |
| 94 | |
| 95 | if (onLongPress) { |
| 96 | onLongPress({ |
| 97 | ...e, |
| 98 | type: 'longpress' |
| 99 | }); |
| 100 | } |
| 101 | timeRef.current = undefined; |
| 102 | }, threshold); |
| 103 | |
| 104 | // Prevent context menu, which may be opened on long press on touch devices |
| 105 | if (e.pointerType === 'touch') { |
| 106 | let onContextMenu = e => { |
| 107 | e.preventDefault(); |
| 108 | }; |
| 109 | |
| 110 | let ownerWindow = getOwnerWindow(e.target); |
| 111 | addGlobalListener(e.target, 'contextmenu', onContextMenu, {once: true}); |
| 112 | addGlobalListener( |
| 113 | ownerWindow, |
| 114 | 'pointerup', |
| 115 | () => { |
| 116 | // If no contextmenu event is fired quickly after pointerup, remove the handler |
| 117 | // so future context menu events outside a long press are not prevented. |
| 118 | setTimeout(() => { |