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| 1 | +import React, { useState, useEffect } from 'react'; |
| 2 | +import styles from './styles.module.css'; |
| 3 | + |
| 4 | +/** |
| 5 | + * Toggle para Modo de Leitura (Distraction-Free) |
| 6 | + * |
| 7 | + * Botão que esconde/mostra a sidebar para uma leitura sem distrações. |
| 8 | + * O estado é persistido no localStorage. |
| 9 | + */ |
| 10 | +export default function ReadModeToggle() { |
| 11 | + const [isReadMode, setIsReadMode] = useState(false); |
| 12 | + |
| 13 | + // Carregar estado do localStorage ao montar |
| 14 | + useEffect(() => { |
| 15 | + const savedMode = localStorage.getItem('readMode') === 'true'; |
| 16 | + setIsReadMode(savedMode); |
| 17 | + if (savedMode) { |
| 18 | + document.documentElement.setAttribute('data-read-mode', 'true'); |
| 19 | + } |
| 20 | + }, []); |
| 21 | + |
| 22 | + const toggleReadMode = () => { |
| 23 | + const newMode = !isReadMode; |
| 24 | + setIsReadMode(newMode); |
| 25 | + localStorage.setItem('readMode', newMode.toString()); |
| 26 | + |
| 27 | + if (newMode) { |
| 28 | + document.documentElement.setAttribute('data-read-mode', 'true'); |
| 29 | + } else { |
| 30 | + document.documentElement.removeAttribute('data-read-mode'); |
| 31 | + } |
| 32 | + }; |
| 33 | + |
| 34 | + return ( |
| 35 | + <button |
| 36 | + className={styles.readModeButton} |
| 37 | + onClick={toggleReadMode} |
| 38 | + title={isReadMode ? 'Sair do modo leitura' : 'Modo leitura sem distrações'} |
| 39 | + aria-label={isReadMode ? 'Sair do modo leitura' : 'Ativar modo leitura'} |
| 40 | + type="button" |
| 41 | + > |
| 42 | + <svg |
| 43 | + width="20" |
| 44 | + height="20" |
| 45 | + viewBox="0 0 20 20" |
| 46 | + fill="currentColor" |
| 47 | + aria-hidden="true" |
| 48 | + > |
| 49 | + {isReadMode ? ( |
| 50 | + // Ícone de olho (modo normal) |
| 51 | + <> |
| 52 | + <path d="M10 3C5 3 1.73 7.11 1 10c.73 2.89 4 7 9 7s8.27-4.11 9-7c-.73-2.89-4-7-9-7zm0 12c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5z" /> |
| 53 | + <circle cx="10" cy="10" r="3" /> |
| 54 | + </> |
| 55 | + ) : ( |
| 56 | + // Ícone de livro/leitura (modo leitura) |
| 57 | + <> |
| 58 | + <path d="M10 2c-1.82 0-3.53.5-5 1.35C3.53 2.5 1.82 2 0 2v14c1.82 0 3.53.5 5 1.35 1.47-.85 3.18-1.35 5-1.35s3.53.5 5 1.35c1.47-.85 3.18-1.35 5-1.35V2c-1.82 0-3.53.5-5 1.35C13.53 2.5 11.82 2 10 2zm0 12.5c-1.2 0-2.27-.24-3.2-.64V4.14c.93-.4 2-.64 3.2-.64s2.27.24 3.2.64v9.72c-.93.4-2 .64-3.2.64z" /> |
| 59 | + </> |
| 60 | + )} |
| 61 | + </svg> |
| 62 | + <span className={styles.buttonText}> |
| 63 | + {isReadMode ? 'Mostrar Barra' : 'Modo Leitura'} |
| 64 | + </span> |
| 65 | + </button> |
| 66 | + ); |
| 67 | +} |
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