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Merge pull request #8 from Igorcbraz/Web-Speech
Web speech
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| export class Speak { | ||
| #recognition | ||
| #startBtn | ||
| #isListening = false | ||
| #microphoneIcon | ||
| #microphoneTooltip | ||
| #calculator | ||
|
|
||
| constructor( | ||
| calculator, | ||
| startBtn = document.getElementById('startVoice'), | ||
| microphoneIcon = document.getElementById('microphoneIcon'), | ||
| microphoneTooltip = document.getElementById('microphoneTooltip') | ||
| ) { | ||
| this.#calculator = calculator | ||
| this.#startBtn = startBtn | ||
| this.#microphoneIcon = microphoneIcon | ||
| this.#microphoneTooltip = microphoneTooltip | ||
| this.setup() | ||
| } | ||
|
|
||
| setup() { | ||
| if (!('webkitSpeechRecognition' in window)) { | ||
| this.#startBtn.disabled = true | ||
| console.error('Speech recognition not available') | ||
| return | ||
| } | ||
|
|
||
| this.#recognition = new webkitSpeechRecognition() | ||
| this.addListeners() | ||
| } | ||
|
|
||
| start() { | ||
| this.#calculator.setDisplayValue('') | ||
| this.#recognition.continuous = true | ||
| this.#recognition.lang = 'pt-BR' | ||
| this.#recognition.interimResults = true | ||
|
|
||
| this.#recognition.onresult = (event) => { | ||
| for (const result of Object.values(event.results)) { | ||
| const { transcript } = result[0] | ||
| const { isFinal } = result | ||
|
|
||
| if (isFinal) this.#calculator.executeVoiceCommand(transcript.trim(), this.getVoiceActions()) | ||
| } | ||
| } | ||
|
|
||
| this.#recognition.onend = () => { | ||
| this.updateListeningState(false) | ||
| } | ||
|
|
||
| this.#recognition.start() | ||
| this.updateListeningState(true) | ||
| } | ||
|
|
||
| stop() { | ||
| this.#recognition.stop() | ||
| this.updateListeningState(false) | ||
| } | ||
|
|
||
| toggleListening() { | ||
| if (this.#isListening) return this.stop() | ||
|
|
||
| this.start() | ||
| } | ||
|
|
||
| updateListeningState(isListening) { | ||
| this.#isListening = isListening | ||
|
|
||
| if (isListening) { | ||
| this.#microphoneIcon.classList.remove('fa-microphone-slash') | ||
| this.#microphoneIcon.classList.add('fa-microphone') | ||
| this.#microphoneTooltip.textContent = 'Desativar microfone' | ||
| return | ||
| } | ||
|
|
||
| this.#microphoneIcon.classList.remove('fa-microphone') | ||
| this.#microphoneIcon.classList.add('fa-microphone-slash') | ||
| this.#microphoneTooltip.textContent = 'Ativar microfone' | ||
| } | ||
|
|
||
| addListeners() { | ||
| this.#startBtn.addEventListener('click', () => this.toggleListening()) | ||
| } | ||
|
|
||
| getVoiceActions() { | ||
| return { | ||
| 'calcular': () => this.#calculator.calculate(), | ||
| 'apagar': () => this.#calculator.handleRemoveLastInput(), | ||
| 'limpar': () => this.#calculator.handleResetValue() | ||
| } | ||
| } | ||
| } |
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