367 lines
17 KiB
JavaScript
367 lines
17 KiB
JavaScript
// js/audio/audio_ui.js
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import { appState } from "../state.js";
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import {
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addAudioClipToTimeline,
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updateAudioClipProperties,
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sliceAudioClip,
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} from "./audio_state.js";
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import { seekAudioEditor, restartAudioEditorIfPlaying, updateTransportLoop } from "./audio_audio.js";
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import { drawWaveform } from "../waveform.js";
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import { PIXELS_PER_BAR, ZOOM_LEVELS } from "../config.js";
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import { getPixelsPerSecond } from "../utils.js";
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export function renderAudioEditor() {
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const audioEditor = document.querySelector('.audio-editor');
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const existingTrackContainer = document.getElementById('audio-track-container');
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if (!audioEditor || !existingTrackContainer) return;
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// --- CRIAÇÃO E RENDERIZAÇÃO DA RÉGUA (AGORA COM WRAPPER E SPACER) ---
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let rulerWrapper = audioEditor.querySelector('.ruler-wrapper');
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if (!rulerWrapper) {
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rulerWrapper = document.createElement('div');
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rulerWrapper.className = 'ruler-wrapper';
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rulerWrapper.innerHTML = `
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<div class="ruler-spacer"></div>
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<div class="timeline-ruler"></div>
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`;
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audioEditor.insertBefore(rulerWrapper, existingTrackContainer);
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}
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const ruler = rulerWrapper.querySelector('.timeline-ruler');
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ruler.innerHTML = ''; // Limpa a régua para redesenhar
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const pixelsPerSecond = getPixelsPerSecond();
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let maxTime = appState.global.loopEndTime;
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appState.audio.clips.forEach(clip => {
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const endTime = clip.startTime + clip.duration;
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if (endTime > maxTime) maxTime = endTime;
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});
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const containerWidth = existingTrackContainer.offsetWidth;
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const contentWidth = maxTime * pixelsPerSecond;
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const totalWidth = Math.max(contentWidth, containerWidth, 2000); // Garante uma largura mínima
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ruler.style.width = `${totalWidth}px`;
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const zoomFactor = ZOOM_LEVELS[appState.global.zoomLevelIndex];
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const scaledBarWidth = PIXELS_PER_BAR * zoomFactor;
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if (scaledBarWidth > 0) {
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const numberOfBars = Math.ceil(totalWidth / scaledBarWidth);
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for (let i = 1; i <= numberOfBars; i++) {
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const marker = document.createElement('div');
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marker.className = 'ruler-marker';
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marker.textContent = i;
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marker.style.left = `${(i - 1) * scaledBarWidth}px`;
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ruler.appendChild(marker);
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}
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}
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const loopRegion = document.createElement('div');
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loopRegion.id = 'loop-region';
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loopRegion.style.left = `${appState.global.loopStartTime * pixelsPerSecond}px`;
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loopRegion.style.width = `${(appState.global.loopEndTime - appState.global.loopStartTime) * pixelsPerSecond}px`;
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loopRegion.innerHTML = `<div class="loop-handle left"></div><div class="loop-handle right"></div>`;
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loopRegion.classList.toggle("visible", appState.global.isLoopActive);
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ruler.appendChild(loopRegion);
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// --- LISTENER DA RÉGUA PARA INTERAÇÕES (LOOP E SEEK) ---
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ruler.addEventListener('mousedown', (e) => {
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const currentPixelsPerSecond = getPixelsPerSecond();
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const loopHandle = e.target.closest('.loop-handle');
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const loopRegionBody = e.target.closest('#loop-region:not(.loop-handle)');
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if (loopHandle) {
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e.preventDefault(); e.stopPropagation();
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const handleType = loopHandle.classList.contains('left') ? 'left' : 'right';
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const initialMouseX = e.clientX;
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const initialStart = appState.global.loopStartTime;
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const initialEnd = appState.global.loopEndTime;
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const onMouseMove = (moveEvent) => {
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const deltaX = moveEvent.clientX - initialMouseX;
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const deltaTime = deltaX / currentPixelsPerSecond;
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let newStart = appState.global.loopStartTime;
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let newEnd = appState.global.loopEndTime;
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if (handleType === 'left') {
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newStart = Math.max(0, initialStart + deltaTime);
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newStart = Math.min(newStart, appState.global.loopEndTime - 0.1); // Não deixa passar do fim
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appState.global.loopStartTime = newStart;
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} else {
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newEnd = Math.max(appState.global.loopStartTime + 0.1, initialEnd + deltaTime); // Não deixa ser antes do início
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appState.global.loopEndTime = newEnd;
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}
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updateTransportLoop();
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// ### CORREÇÃO DE PERFORMANCE 1 ###
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// Remove a chamada para renderAudioEditor()
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// Em vez disso, atualiza o estilo do elemento 'loopRegion' diretamente
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loopRegion.style.left = `${newStart * currentPixelsPerSecond}px`;
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loopRegion.style.width = `${(newEnd - newStart) * currentPixelsPerSecond}px`;
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// ### FIM DA CORREÇÃO 1 ###
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};
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const onMouseUp = () => {
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document.removeEventListener('mousemove', onMouseMove);
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document.removeEventListener('mouseup', onMouseUp);
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// Opcional: chamar renderAudioEditor() UMA VEZ no final para garantir a sincronia
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renderAudioEditor();
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};
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document.addEventListener('mousemove', onMouseMove);
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document.addEventListener('mouseup', onMouseUp);
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return;
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}
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if (loopRegionBody) {
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e.preventDefault(); e.stopPropagation();
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const initialMouseX = e.clientX;
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const initialStart = appState.global.loopStartTime;
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const initialEnd = appState.global.loopEndTime;
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const initialDuration = initialEnd - initialStart;
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const onMouseMove = (moveEvent) => {
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const deltaX = moveEvent.clientX - initialMouseX;
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const deltaTime = deltaX / currentPixelsPerSecond;
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let newStart = Math.max(0, initialStart + deltaTime);
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let newEnd = newStart + initialDuration;
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appState.global.loopStartTime = newStart;
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appState.global.loopEndTime = newEnd;
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updateTransportLoop();
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// ### CORREÇÃO DE PERFORMANCE 2 ###
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// Remove a chamada para renderAudioEditor()
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// Atualiza apenas a posição 'left' do elemento
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loopRegion.style.left = `${newStart * currentPixelsPerSecond}px`;
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// ### FIM DA CORREÇÃO 2 ###
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};
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const onMouseUp = () => {
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document.removeEventListener('mousemove', onMouseMove);
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document.removeEventListener('mouseup', onMouseUp);
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// Opcional: chamar renderAudioEditor() UMA VEZ no final
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renderAudioEditor();
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};
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document.addEventListener('mousemove', onMouseMove);
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document.addEventListener('mouseup', onMouseUp);
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return;
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}
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// Se o clique não foi em um handle ou no corpo do loop, faz o "seek"
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e.preventDefault();
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const handleSeek = (event) => {
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const rect = ruler.getBoundingClientRect();
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const scrollLeft = ruler.scrollLeft;
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const clickX = event.clientX - rect.left;
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const absoluteX = clickX + scrollLeft;
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const newTime = absoluteX / currentPixelsPerSecond;
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seekAudioEditor(newTime);
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};
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handleSeek(e);
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const onMouseMoveSeek = (moveEvent) => handleSeek(moveEvent);
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const onMouseUpSeek = () => { document.removeEventListener('mousemove', onMouseMoveSeek); document.removeEventListener('mouseup', onMouseUpSeek); };
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document.addEventListener('mousemove', onMouseMoveSeek);
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document.addEventListener('mouseup', onMouseUpSeek);
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});
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// --- RECRIAÇÃO DO CONTAINER DE PISTAS PARA EVITAR LISTENERS DUPLICADOS ---
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const newTrackContainer = existingTrackContainer.cloneNode(false);
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audioEditor.replaceChild(newTrackContainer, existingTrackContainer);
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if (appState.audio.tracks.length === 0) {
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appState.audio.tracks.push({ id: Date.now(), name: "Pista de Áudio 1" });
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}
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// --- RENDERIZAÇÃO DAS PISTAS INDIVIDUAIS ---
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appState.audio.tracks.forEach(trackData => {
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const audioTrackLane = document.createElement('div');
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audioTrackLane.className = 'audio-track-lane';
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audioTrackLane.dataset.trackId = trackData.id;
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audioTrackLane.innerHTML = `
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<div class="track-info">
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<div class="track-info-header">
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<i class="fa-solid fa-gear"></i>
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<span class="track-name">${trackData.name}</span>
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<div class="track-mute"></div>
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</div>
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<div class="track-controls">
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<div class="knob-container">
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<div class="knob" data-control="volume"><div class="knob-indicator"></div></div>
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<span>VOL</span>
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</div>
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<div class="knob-container">
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<div class="knob" data-control="pan"><div class="knob-indicator"></div></div>
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<span>PAN</span>
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</div>
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</div>
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</div>
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<div class="timeline-container">
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<div class="spectrogram-view-grid" style="width: ${totalWidth}px;"></div>
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<div class="playhead"></div>
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</div>
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`;
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newTrackContainer.appendChild(audioTrackLane);
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const timelineContainer = audioTrackLane.querySelector('.timeline-container');
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timelineContainer.addEventListener("dragover", (e) => { e.preventDefault(); audioTrackLane.classList.add('drag-over'); });
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timelineContainer.addEventListener("dragleave", () => audioTrackLane.classList.remove('drag-over'));
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timelineContainer.addEventListener("drop", (e) => {
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e.preventDefault();
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audioTrackLane.classList.remove('drag-over');
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const filePath = e.dataTransfer.getData("text/plain");
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if (!filePath) return;
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const rect = timelineContainer.getBoundingClientRect();
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const dropX = e.clientX - rect.left + timelineContainer.scrollLeft;
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const startTimeInSeconds = dropX / pixelsPerSecond;
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addAudioClipToTimeline(filePath, trackData.id, startTimeInSeconds);
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});
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const grid = timelineContainer.querySelector('.spectrogram-view-grid');
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grid.style.setProperty('--bar-width', `${scaledBarWidth}px`);
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grid.style.setProperty('--four-bar-width', `${scaledBarWidth * 4}px`);
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});
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// --- RENDERIZAÇÃO DOS CLIPS ---
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appState.audio.clips.forEach(clip => {
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const parentGrid = newTrackContainer.querySelector(`.audio-track-lane[data-track-id="${clip.trackId}"] .spectrogram-view-grid`);
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if (!parentGrid) return;
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const clipElement = document.createElement('div');
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clipElement.className = 'timeline-clip';
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clipElement.dataset.clipId = clip.id;
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clipElement.style.left = `${clip.startTime * pixelsPerSecond}px`;
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clipElement.style.width = `${clip.duration * pixelsPerSecond}px`;
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let pitchStr = clip.pitch > 0 ? `+${clip.pitch}` : `${clip.pitch}`;
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if (clip.pitch === 0) pitchStr = '';
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clipElement.innerHTML = `
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<div class="clip-resize-handle left"></div>
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<span class="clip-name">${clip.name} ${pitchStr}</span>
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<canvas class="waveform-canvas-clip"></canvas>
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<div class="clip-resize-handle right"></div>
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`;
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parentGrid.appendChild(clipElement);
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if (clip.player && clip.player.loaded) {
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const canvas = clipElement.querySelector('.waveform-canvas-clip');
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canvas.width = clip.duration * pixelsPerSecond;
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canvas.height = 40;
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const audioBuffer = clip.player.buffer.get();
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drawWaveform(canvas, audioBuffer, 'var(--accent-green)', clip.offset, clip.duration);
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}
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clipElement.addEventListener('wheel', (e) => {
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e.preventDefault();
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const clipToUpdate = appState.audio.clips.find(c => c.id == clipElement.dataset.clipId);
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if (!clipToUpdate) return;
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const direction = e.deltaY < 0 ? 1 : -1;
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let newPitch = clipToUpdate.pitch + direction;
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newPitch = Math.max(-24, Math.min(24, newPitch));
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updateAudioClipProperties(clipToUpdate.id, { pitch: newPitch });
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renderAudioEditor();
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restartAudioEditorIfPlaying();
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});
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});
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// --- SINCRONIZAÇÃO DE SCROLL ENTRE A RÉGUA E AS PISTAS ---
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newTrackContainer.addEventListener('scroll', () => {
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const scrollPos = newTrackContainer.scrollLeft;
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if (ruler.scrollLeft !== scrollPos) {
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ruler.scrollLeft = scrollPos;
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}
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});
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// --- EVENT LISTENER PRINCIPAL PARA INTERAÇÕES (MOVER, REDIMENSIONAR, ETC.) ---
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newTrackContainer.addEventListener('mousedown', (e) => {
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const currentPixelsPerSecond = getPixelsPerSecond();
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const handle = e.target.closest('.clip-resize-handle');
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const clipElement = e.target.closest('.timeline-clip');
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if (appState.global.sliceToolActive && clipElement) { /* ... lógica de corte ... */ return; }
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if (handle) { /* ... lógica de redimensionamento de clipe ... */ return; }
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if (clipElement) {
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e.preventDefault();
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const clipId = clipElement.dataset.clipId;
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const clickOffsetInClip = e.clientX - clipElement.getBoundingClientRect().left;
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clipElement.classList.add('dragging');
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let lastOverLane = clipElement.closest('.audio-track-lane');
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const onMouseMove = (moveEvent) => {
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const deltaX = moveEvent.clientX - e.clientX;
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clipElement.style.transform = `translateX(${deltaX}px)`;
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const overElement = document.elementFromPoint(moveEvent.clientX, moveEvent.clientY);
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const overLane = overElement ? overElement.closest('.audio-track-lane') : null;
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if (overLane && overLane !== lastOverLane) {
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if(lastOverLane) lastOverLane.classList.remove('drag-over');
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overLane.classList.add('drag-over');
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lastOverLane = overLane;
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}
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};
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const onMouseUp = (upEvent) => {
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clipElement.classList.remove('dragging');
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if (lastOverLane) lastOverLane.classList.remove('drag-over');
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clipElement.style.transform = '';
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document.removeEventListener('mousemove', onMouseMove);
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document.removeEventListener('mouseup', onMouseUp);
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const finalLane = lastOverLane;
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if (!finalLane) return;
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const newTrackId = finalLane.dataset.trackId;
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const timelineContainer = finalLane.querySelector('.timeline-container');
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const wrapperRect = timelineContainer.getBoundingClientRect();
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const newLeftPx = (upEvent.clientX - wrapperRect.left) - clickOffsetInClip + timelineContainer.scrollLeft;
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const constrainedLeftPx = Math.max(0, newLeftPx);
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const newStartTime = constrainedLeftPx / currentPixelsPerSecond;
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updateAudioClipProperties(clipId, { trackId: Number(newTrackId), startTime: newStartTime });
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renderAudioEditor();
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};
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document.addEventListener('mousemove', onMouseMove);
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document.addEventListener('mouseup', onMouseUp);
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return;
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}
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const timelineContainer = e.target.closest('.timeline-container');
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if (timelineContainer) {
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e.preventDefault();
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const handleSeek = (event) => {
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const rect = timelineContainer.getBoundingClientRect();
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const scrollLeft = timelineContainer.scrollLeft;
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const clickX = event.clientX - rect.left;
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const absoluteX = clickX + scrollLeft;
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const newTime = absoluteX / currentPixelsPerSecond;
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seekAudioEditor(newTime);
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};
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handleSeek(e);
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const onMouseMoveSeek = (moveEvent) => handleSeek(moveEvent);
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const onMouseUpSeek = () => { document.removeEventListener('mousemove', onMouseMoveSeek); document.removeEventListener('mouseup', onMouseUpSeek); };
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document.addEventListener('mousemove', onMouseMoveSeek);
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document.addEventListener('mouseup', onMouseUpSeek);
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}
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});
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}
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export function updateAudioEditorUI() {
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const playBtn = document.getElementById('audio-editor-play-btn');
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if (!playBtn) return;
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if (appState.global.isAudioEditorPlaying) {
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playBtn.classList.remove('fa-play');
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playBtn.classList.add('fa-pause');
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} else {
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playBtn.classList.remove('fa-pause');
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playBtn.classList.add('fa-play');
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}
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}
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export function updatePlayheadVisual(pixels) {
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document.querySelectorAll('.audio-track-lane .playhead').forEach(ph => {
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ph.style.left = `${pixels}px`;
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});
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}
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export function resetPlayheadVisual() {
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document.querySelectorAll('.audio-track-lane .playhead').forEach(ph => {
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ph.style.left = '0px';
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});
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} |