mobile behavior remains mostly the same, except after the first click, a second click anywhere else will go through to the title.pull/319/head
sct
3 years ago
parent
7c08809501
commit
e8776fd336
@ -0,0 +1,20 @@
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import React from 'react';
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import useInteraction from '../hooks/useInteraction';
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interface InteractionContextProps {
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isTouch: boolean;
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}
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export const InteractionContext = React.createContext<InteractionContextProps>({
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isTouch: false,
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});
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export const InteractionProvider: React.FC = ({ children }) => {
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const isTouch = useInteraction();
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return (
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<InteractionContext.Provider value={{ isTouch }}>
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{children}
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</InteractionContext.Provider>
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);
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};
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import { useState, useEffect } from 'react';
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export const INTERACTION_TYPE = {
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MOUSE: 'mouse',
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PEN: 'pen',
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TOUCH: 'touch',
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};
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const UPDATE_INTERVAL = 1000; // Throttle updates to the type to prevent flip flopping
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const useInteraction = (): boolean => {
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const [isTouch, setIsTouch] = useState(false);
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useEffect(() => {
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const hasTapEvent = 'ontouchstart' in window;
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setIsTouch(hasTapEvent);
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let localTouch = hasTapEvent;
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let lastTouchUpdate = Date.now();
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const shouldUpdate = (): boolean =>
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lastTouchUpdate + UPDATE_INTERVAL < Date.now();
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const onMouseMove = (): void => {
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if (localTouch && shouldUpdate()) {
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setTimeout(() => {
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if (shouldUpdate()) {
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setIsTouch(false);
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localTouch = false;
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}
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}, UPDATE_INTERVAL);
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}
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};
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const onTouchStart = (): void => {
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lastTouchUpdate = Date.now();
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if (!localTouch) {
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setIsTouch(true);
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localTouch = true;
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}
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};
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const onPointerMove = (e: PointerEvent): void => {
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const { pointerType } = e;
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switch (pointerType) {
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case INTERACTION_TYPE.TOUCH:
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case INTERACTION_TYPE.PEN:
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return onTouchStart();
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default:
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return onMouseMove();
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}
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};
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if (hasTapEvent) {
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window.addEventListener('mousemove', onMouseMove);
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window.addEventListener('touchstart', onTouchStart);
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} else {
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window.addEventListener('pointerdown', onPointerMove);
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window.addEventListener('pointermove', onPointerMove);
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}
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return () => {
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if (hasTapEvent) {
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window.removeEventListener('mousemove', onMouseMove);
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window.removeEventListener('touchstart', onTouchStart);
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} else {
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window.removeEventListener('pointerdown', onPointerMove);
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window.removeEventListener('pointermove', onPointerMove);
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}
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};
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}, []);
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return isTouch;
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};
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export default useInteraction;
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@ -0,0 +1,7 @@
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import { useContext } from 'react';
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import { InteractionContext } from '../context/InteractionContext';
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export const useIsTouch = (): boolean => {
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const { isTouch } = useContext(InteractionContext);
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return isTouch;
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};
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