mmpSearch/assets/js/creations/audio/audio_ui.js

367 lines
17 KiB
JavaScript

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