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-rw-r--r--src/pages/Timer/TimerButton/TimerButton.js122
1 files changed, 0 insertions, 122 deletions
diff --git a/src/pages/Timer/TimerButton/TimerButton.js b/src/pages/Timer/TimerButton/TimerButton.js
deleted file mode 100644
index fdb6b7c..0000000
--- a/src/pages/Timer/TimerButton/TimerButton.js
+++ /dev/null
@@ -1,122 +0,0 @@
-import React, { useState, useEffect } from 'react';
-
-import { Paper, Typography } from '@material-ui/core';
-import { makeStyles } from '@material-ui/core/styles';
-
-const useStyles = makeStyles(theme => ({
- root: {
- textAlign: 'center',
- padding: theme.spacing(5),
- background: theme.palette.background.elevation3,
- marginTop: theme.spacing(10),
- },
-}));
-
-const TimerButton = ({ registerResult }) => {
- const classes = useStyles();
-
- const SPACE = 32;
- const maxCountdown = 15000;
- const [time, setTime] = useState('00:00:00');
- const [mode, setMode] = useState('idle');
-
- useEffect(()=> {
- const timestamp = Date.now();
-
- if (mode === 'countdown') {
- const repeater = setInterval(() => {
- const timeDelta = maxCountdown - (Date.now() - timestamp);
- if (timeDelta <= 0) setMode('over');
- setTime(convertTimeToString(timeDelta));
- }, 10);
- return () => clearInterval(repeater);
- }
-
- if (mode === 'running') {
- const repeater = setInterval(() => {
- setTime(convertTimeToString(Date.now() - timestamp));
- }, 10);
- return () => clearInterval(repeater);
- }
-
- if (mode === 'over') {
- setTime('00:00:00');
- }
- }, [mode]);
-
- const handleKeyPress = event => {
- event.preventDefault();
- if (event.keyCode === SPACE && mode === 'idle' ) setMode('countdown');
- };
-
- const handleKeyUp = event => {
- if (event.keyCode === SPACE) {
- if (mode === 'running') {
- registerResult(time);
- setMode('idle');
- } else if (mode === 'over') {
- setMode('idle');
- } else {
- setMode('running');
- }
- }
- };
-
- useEffect(() => {
- window.addEventListener('keyup', handleKeyUp);
- window.addEventListener('keypress', handleKeyPress);
-
- return () => {
- window.removeEventListener('keyup', handleKeyUp);
- window.removeEventListener('keypress', handleKeyPress);
- };
- });
-
- const composeHelperText = () => {
- switch (mode) {
- case 'running': return 'Go fast!';
- case 'countdown': return 'Release SPACE to begin';
- case 'over': return 'You are too late!';
- default: return 'Hold SPACE to start countdown';
- }
- };
-
- const helperColor = () => {
- switch (mode) {
- case 'running': return 'primary';
- case 'over': return 'secondary';
- default: return 'textSecondary';
- }
- };
-
- return (
- <Paper className={classes.root}>
- <Typography variant="h1"> {time} </Typography>
- <Typography variant="h5" color={helperColor()}>
- {composeHelperText()}
- </Typography>
- </Paper>
- );
-};
-
-const convertTimeToString = timeDelta => {
- let resultTime = '';
-
- const minute = Math.floor(timeDelta / 60000);
- if (minute < 10) resultTime += '0';
- resultTime += minute + ':';
-
- let second = Math.floor(timeDelta / 1000);
- if (second > 59) second %= 60;
- if (second < 10) resultTime += '0';
- resultTime += second + ':';
-
- const mill = Math.floor((timeDelta % 1000) / 10);
- if (mill < 10) resultTime += '0';
- resultTime += mill;
-
- return resultTime;
-};
-
-
-export default TimerButton;