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Voice, text to speech reader #3105
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| import React, { useState, useEffect, useRef } from 'react'; | ||
| import { View, ActivityIndicator } from 'react-native'; | ||
| import * as Speech from 'expo-speech'; | ||
| import EStyleSheet from 'react-native-extended-stylesheet'; | ||
| import { IconButton } from '../iconButton'; | ||
| import { extractPlainTextForTTS, hasReadableContent } from '../../utils/textToSpeech'; | ||
| import { loadTTSSettings, TTSSettings } from '../../utils/ttsSettings'; | ||
|
|
||
| interface TTSControlsProps { | ||
| post: any; | ||
| style?: any; | ||
| } | ||
|
|
||
| export const TTSControls = ({ post, style }: TTSControlsProps) => { | ||
| const [isPlaying, setIsPlaying] = useState(false); | ||
| const [isPaused, setIsPaused] = useState(false); | ||
| const [isLoading, setIsLoading] = useState(false); | ||
| const settingsRef = useRef<TTSSettings | null>(null); | ||
| const isMountedRef = useRef(true); | ||
|
|
||
| useEffect(() => { | ||
| isMountedRef.current = true; | ||
|
|
||
| // Load settings on mount | ||
| loadTTSSettings().then((settings) => { | ||
| if (isMountedRef.current) { | ||
| settingsRef.current = settings; | ||
| } | ||
| }); | ||
|
|
||
| return () => { | ||
| isMountedRef.current = false; | ||
| // Stop TTS when component unmounts | ||
| Speech.stop(); | ||
| }; | ||
| }, []); | ||
|
|
||
| // Stop TTS when post changes | ||
| useEffect(() => { | ||
| return () => { | ||
| Speech.stop(); | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| }; | ||
| }, [post?.permlink]); | ||
|
|
||
| const handlePlayPause = async () => { | ||
| if (isPlaying && !isPaused) { | ||
| // Pause | ||
| try { | ||
| await Speech.pause(); | ||
| setIsPaused(true); | ||
| } catch (error) { | ||
| console.error('TTS pause failed:', error); | ||
| Speech.stop(); | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| setIsLoading(false); | ||
| } | ||
| } | ||
| } else if (isPaused) { | ||
| // Resume | ||
| try { | ||
| await Speech.resume(); | ||
| setIsPaused(false); | ||
| } catch (error) { | ||
| console.error('TTS resume failed:', error); | ||
| Speech.stop(); | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| setIsLoading(false); | ||
| } | ||
| } | ||
| } else { | ||
| // Start playing | ||
| setIsLoading(true); | ||
|
|
||
| try { | ||
| const text = extractPlainTextForTTS(post); | ||
|
|
||
| if (!text || text.length < 10) { | ||
| console.warn('No readable text found in post'); | ||
| setIsLoading(false); | ||
| return; | ||
| } | ||
|
|
||
| // Reload settings in case they changed | ||
| const settings = await loadTTSSettings(); | ||
| settingsRef.current = settings; | ||
|
|
||
| const speechOptions: Speech.SpeechOptions = { | ||
| language: settings.language, | ||
| pitch: settings.pitch, | ||
| rate: settings.rate, | ||
| onStart: () => { | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(true); | ||
| setIsLoading(false); | ||
| } | ||
| }, | ||
| onDone: () => { | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| } | ||
| }, | ||
| onStopped: () => { | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| } | ||
| }, | ||
| onError: (error) => { | ||
| console.error('TTS error:', error); | ||
| if (isMountedRef.current) { | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| setIsLoading(false); | ||
| } | ||
| }, | ||
| }; | ||
|
|
||
| // Add voice if specified | ||
| if (settings.voice) { | ||
| speechOptions.voice = settings.voice; | ||
| } | ||
|
|
||
| Speech.speak(text, speechOptions); | ||
| } catch (error) { | ||
| console.error('Failed to start TTS:', error); | ||
| setIsLoading(false); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| const handleStop = () => { | ||
| Speech.stop(); | ||
| setIsPlaying(false); | ||
| setIsPaused(false); | ||
| }; | ||
|
|
||
| // Don't show TTS controls if post has no readable content | ||
| if (!hasReadableContent(post)) { | ||
| return null; | ||
| } | ||
|
|
||
| return ( | ||
| <View style={[styles.container, style]}> | ||
| {isLoading ? ( | ||
| <ActivityIndicator size="small" color={EStyleSheet.value('$primaryBlue')} /> | ||
| ) : ( | ||
| <> | ||
| <IconButton | ||
| iconType="MaterialCommunityIcons" | ||
| name={isPlaying && !isPaused ? 'pause' : 'play'} | ||
| onPress={handlePlayPause} | ||
| size={24} | ||
| color={EStyleSheet.value('$primaryBlack')} | ||
| style={styles.playButton} | ||
| /> | ||
| {isPlaying && ( | ||
| <IconButton | ||
| iconType="MaterialCommunityIcons" | ||
| name="stop" | ||
| onPress={handleStop} | ||
| size={24} | ||
| color={EStyleSheet.value('$primaryBlack')} | ||
| style={styles.stopButton} | ||
| /> | ||
| )} | ||
| </> | ||
| )} | ||
| </View> | ||
| ); | ||
| }; | ||
|
|
||
| const styles = EStyleSheet.create({ | ||
| container: { | ||
| flexDirection: 'row', | ||
| alignItems: 'center', | ||
| }, | ||
| playButton: { | ||
| marginRight: 0, | ||
| }, | ||
| stopButton: { | ||
| marginRight: 0, | ||
| }, | ||
| }); | ||
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