mirror of https://github.com/lissy93/dashy
52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
/**
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* A Vue directive to call event when element is long-pressed
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* Used to open context menus on touch-enabled devices
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* Inspired by: FeliciousX/vue-directive-long-press
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* Dashy: Licensed under MIT - (C) Alicia Sykes 2022
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*/
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const LONG_PRESS_DEFAULT_DELAY = 750;
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const longPressEvent = new CustomEvent('long-press');
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export default {
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bind(element, binding, vnode) {
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const el = element;
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el.dataset.longPressTimeout = null;
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const swallowClick = (e) => {
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el.removeEventListener('click', swallowClick);
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if (!el.dataset.elapsed) return true;
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e.preventDefault();
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e.stopPropagation();
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return false;
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};
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const complete = () => {
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if (vnode.componentInstance) vnode.componentInstance.$emit('long-press');
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else el.dispatchEvent(longPressEvent);
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el.dataset.elapsed = true;
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};
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const onPointerUp = () => {
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clearTimeout(parseInt(el.dataset.longPressTimeout, 10));
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document.removeEventListener('pointerup', onPointerUp);
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};
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const onPointerDown = () => {
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document.addEventListener('pointerup', onPointerUp);
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el.addEventListener('click', swallowClick);
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const timeoutDuration = binding.value || LONG_PRESS_DEFAULT_DELAY;
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const timeout = setTimeout(complete, timeoutDuration);
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el.dataset.elapsed = false;
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el.dataset.longPressTimeout = timeout;
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};
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el.$longPressHandler = onPointerDown;
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el.addEventListener('pointerdown', onPointerDown);
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},
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unbind(el) {
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clearTimeout(parseInt(el.dataset.longPressTimeout, 10));
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el.removeEventListener('pointerdown', el.$longPressHandler);
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},
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};
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