561 lines
17 KiB
TypeScript
561 lines
17 KiB
TypeScript
"use client";
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import { useRef, useCallback, useEffect } from "react";
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import { useAudioPlayer } from "./audio-context";
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import { cn } from "@/lib/utils";
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import Link from "next/link";
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import Image from "next/image";
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import {
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Play,
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Pause,
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SkipBack,
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SkipForward,
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Volume2,
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VolumeX,
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Volume1,
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X,
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ExternalLink,
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Loader2,
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} from "lucide-react";
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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const FALLBACK_COVER = "/images/cover.png";
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// ---------------------------------------------------------------------------
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// Helpers
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// ---------------------------------------------------------------------------
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function formatTime(seconds: number): string {
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if (!isFinite(seconds) || seconds < 0) return "0:00";
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const h = Math.floor(seconds / 3600);
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const m = Math.floor((seconds % 3600) / 60);
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const s = Math.floor(seconds % 60);
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if (h > 0)
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return `${h}:${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`;
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return `${m}:${String(s).padStart(2, "0")}`;
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}
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function VolumeIcon({
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volume,
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isMuted,
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className,
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}: {
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volume: number;
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isMuted: boolean;
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className?: string;
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}) {
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if (isMuted || volume === 0) return <VolumeX className={className} />;
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if (volume < 0.5) return <Volume1 className={className} />;
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return <Volume2 className={className} />;
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}
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// ---------------------------------------------------------------------------
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// Progress Bar
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// ---------------------------------------------------------------------------
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function ProgressBar({
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currentTime,
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duration,
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onSeek,
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thin = false,
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}: {
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currentTime: number;
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duration: number;
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onSeek: (time: number) => void;
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thin?: boolean;
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}) {
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const barRef = useRef<HTMLDivElement>(null);
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const draggingRef = useRef(false);
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const progress = duration > 0 ? (currentTime / duration) * 100 : 0;
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const calculateSeekTime = useCallback(
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(clientX: number) => {
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const bar = barRef.current;
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if (!bar || duration <= 0) return;
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const rect = bar.getBoundingClientRect();
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const fraction = Math.max(
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0,
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Math.min(1, (clientX - rect.left) / rect.width),
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);
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onSeek(fraction * duration);
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},
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[duration, onSeek],
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);
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const handlePointerDown = useCallback(
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(e: React.PointerEvent) => {
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e.preventDefault();
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draggingRef.current = true;
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(e.target as HTMLElement).setPointerCapture(e.pointerId);
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calculateSeekTime(e.clientX);
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},
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[calculateSeekTime],
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);
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const handlePointerMove = useCallback(
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(e: React.PointerEvent) => {
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if (!draggingRef.current) return;
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calculateSeekTime(e.clientX);
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},
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[calculateSeekTime],
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);
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const handlePointerUp = useCallback(() => {
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draggingRef.current = false;
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}, []);
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if (thin) {
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return (
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<div
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ref={barRef}
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className="w-full h-2 bg-white/15 cursor-pointer shrink-0 relative"
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onPointerDown={handlePointerDown}
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onPointerMove={handlePointerMove}
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onPointerUp={handlePointerUp}
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role="slider"
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aria-label="Playback progress"
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aria-valuemin={0}
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aria-valuemax={duration || 0}
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aria-valuenow={currentTime}
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tabIndex={0}
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>
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<div
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className="h-full bg-primary transition-[width] duration-100 ease-linear"
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style={{ width: `${progress}%` }}
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/>
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</div>
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);
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}
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return (
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<div className="flex items-center gap-2 w-full">
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<span className="text-[10px] tabular-nums text-muted-foreground min-w-[32px] text-right select-none">
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{formatTime(currentTime)}
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</span>
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<div
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ref={barRef}
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className="relative flex-1 h-1 bg-muted rounded-full cursor-pointer group/progress"
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onPointerDown={handlePointerDown}
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onPointerMove={handlePointerMove}
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onPointerUp={handlePointerUp}
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role="slider"
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aria-label="Playback progress"
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aria-valuemin={0}
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aria-valuemax={duration || 0}
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aria-valuenow={currentTime}
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tabIndex={0}
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>
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<div
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className="h-full bg-primary rounded-full transition-[width] duration-100 ease-linear"
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style={{ width: `${progress}%` }}
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/>
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<div
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className="absolute top-1/2 -translate-y-1/2 -translate-x-1/2 size-2.5 bg-primary rounded-full opacity-0 group-hover/progress:opacity-100 transition-opacity shadow-sm pointer-events-none"
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style={{ left: `${progress}%` }}
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/>
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</div>
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<span className="text-[10px] tabular-nums text-muted-foreground min-w-[32px] select-none">
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{formatTime(duration)}
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</span>
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</div>
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);
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}
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// ---------------------------------------------------------------------------
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// Transport Button
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// ---------------------------------------------------------------------------
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function TransportButton({
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onClick,
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disabled = false,
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label,
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size = "default",
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children,
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className,
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}: {
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onClick: () => void;
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disabled?: boolean;
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label: string;
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size?: "default" | "large";
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children: React.ReactNode;
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className?: string;
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}) {
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return (
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<button
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type="button"
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onClick={onClick}
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disabled={disabled}
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aria-label={label}
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className={cn(
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"inline-flex items-center justify-center rounded-full transition-colors outline-none",
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"focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-card",
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"disabled:opacity-30 disabled:pointer-events-none",
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size === "large"
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? "size-9 bg-foreground text-background hover:bg-foreground/90"
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: "size-8 text-foreground hover:bg-muted",
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className,
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)}
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>
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{children}
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</button>
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);
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}
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// ---------------------------------------------------------------------------
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// Floating Player
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// ---------------------------------------------------------------------------
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export function FloatingPlayer() {
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const {
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currentTrack,
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isPlaying,
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currentTime,
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duration,
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volume,
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isMuted,
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isLoading,
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playlist,
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currentIndex,
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togglePlayPause,
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stop,
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seekTo,
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setVolume,
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toggleMute,
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next,
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previous,
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} = useAudioPlayer();
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const playerRef = useRef<HTMLDivElement>(null);
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// Add bottom padding to body when player is visible
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useEffect(() => {
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if (!currentTrack) return;
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document.body.style.paddingBottom = "96px";
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return () => {
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document.body.style.paddingBottom = "";
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};
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}, [currentTrack]);
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// Keyboard shortcuts when player is focused
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const handleKeyDown = useCallback(
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(e: React.KeyboardEvent) => {
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switch (e.key) {
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case " ":
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e.preventDefault();
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togglePlayPause();
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break;
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case "ArrowLeft":
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e.preventDefault();
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seekTo(Math.max(0, currentTime - 10));
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break;
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case "ArrowRight":
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e.preventDefault();
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seekTo(Math.min(duration, currentTime + 10));
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break;
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case "ArrowUp":
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e.preventDefault();
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setVolume(Math.min(1, volume + 0.05));
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break;
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case "ArrowDown":
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e.preventDefault();
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setVolume(Math.max(0, volume - 0.05));
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break;
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case "m":
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case "M":
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e.preventDefault();
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toggleMute();
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break;
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case "Escape":
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e.preventDefault();
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stop();
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break;
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}
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},
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[
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togglePlayPause,
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seekTo,
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setVolume,
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toggleMute,
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stop,
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currentTime,
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duration,
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volume,
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],
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);
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if (!currentTrack) return null;
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const hasNext = currentIndex >= 0 && currentIndex < playlist.length - 1;
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const hasPrev = currentIndex > 0;
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const coverSrc = currentTrack.coverImage || FALLBACK_COVER;
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return (
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<div
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ref={playerRef}
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data-audio-player
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role="region"
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aria-label="Audio player"
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tabIndex={0}
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onKeyDown={handleKeyDown}
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className={cn(
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// Centered floating bar
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"fixed z-40 bottom-5 left-1/2 -translate-x-1/2",
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// Narrower width
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"w-[calc(100%-2rem)] max-w-[680px]",
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// Forced dark surface for contrast regardless of theme
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"bg-[#1c1c1e] text-white",
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"border border-white/10",
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"rounded-2xl",
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"shadow-2xl shadow-black/25",
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// Animation
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"animate-in fade-in-0 slide-in-from-bottom-4 duration-300",
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// Clip seeker to rounded top corners
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"overflow-hidden",
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)}
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>
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{/* Thin progress bar — absolutely positioned at top edge */}
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<ProgressBar
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currentTime={currentTime}
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duration={duration}
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onSeek={seekTo}
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thin
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/>
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{/* Time row — desktop (hidden on mobile, mobile has its own) */}
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<div className="hidden md:flex items-center justify-between px-5 pt-1.5">
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<span className="text-[10px] tabular-nums text-white/40 select-none">
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{formatTime(currentTime)}
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</span>
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<span className="text-[10px] tabular-nums text-white/40 select-none">
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{formatTime(duration)}
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</span>
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</div>
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{/* ── Desktop layout ── */}
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<div className="hidden md:flex items-center h-[64px] px-5 gap-5">
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{/* Left: Cover + Track info */}
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<div className="flex items-center gap-3 min-w-0 flex-1">
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{/* Cover image */}
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<div className="size-12 rounded-lg overflow-hidden bg-muted shrink-0 relative">
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<Image
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src={coverSrc}
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alt=""
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fill
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className="object-cover"
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unoptimized
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/>
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</div>
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<div className="min-w-0">
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<p className="text-sm font-medium text-white truncate leading-tight">
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{currentTrack.title}
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</p>
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{currentTrack.subtitle && (
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<p className="text-[11px] text-white/50 truncate leading-tight mt-0.5">
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{currentTrack.subtitle}
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</p>
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)}
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</div>
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</div>
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{/* Center: Transport controls */}
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<div className="flex items-center gap-1.5">
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<TransportButton
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onClick={previous}
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disabled={!hasPrev && currentTime <= 3}
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label="Previous track"
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className="text-white/60 hover:text-white hover:bg-white/10"
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>
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<SkipBack className="size-4" />
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</TransportButton>
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<TransportButton
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onClick={togglePlayPause}
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label={isPlaying ? "Pause" : "Play"}
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size="large"
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className="bg-white text-black hover:bg-white/90"
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>
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{isLoading ? (
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<Loader2 className="size-4 animate-spin" />
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) : isPlaying ? (
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<Pause className="size-4" />
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) : (
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<Play className="size-4 ml-0.5" />
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)}
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</TransportButton>
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<TransportButton
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onClick={next}
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disabled={!hasNext}
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label="Next track"
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className="text-white/60 hover:text-white hover:bg-white/10"
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>
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<SkipForward className="size-4" />
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</TransportButton>
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</div>
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{/* Right: Volume + Source link + Close */}
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<div className="flex items-center gap-1.5 shrink-0">
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{/* Volume control */}
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<div className="flex items-center gap-1">
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<button
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type="button"
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onClick={toggleMute}
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aria-label={isMuted ? "Unmute" : "Mute"}
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className="size-7 inline-flex items-center justify-center rounded-md text-white/50 hover:text-white hover:bg-white/10 transition-colors outline-none focus-visible:ring-2 focus-visible:ring-ring"
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>
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<VolumeIcon
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volume={volume}
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isMuted={isMuted}
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className="size-4"
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/>
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</button>
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<input
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type="range"
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min={0}
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max={100}
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step={1}
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value={isMuted ? 0 : Math.round(volume * 100)}
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onChange={(e) => setVolume(Number(e.target.value) / 100)}
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aria-label="Volume"
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className={cn(
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"w-16 h-1 appearance-none bg-white/15 rounded-full cursor-pointer",
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"[&::-webkit-slider-thumb]:appearance-none",
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"[&::-webkit-slider-thumb]:size-3",
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"[&::-webkit-slider-thumb]:rounded-full",
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"[&::-webkit-slider-thumb]:bg-white",
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"[&::-webkit-slider-thumb]:cursor-pointer",
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"[&::-moz-range-thumb]:size-3",
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"[&::-moz-range-thumb]:rounded-full",
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"[&::-moz-range-thumb]:bg-white",
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"[&::-moz-range-thumb]:border-0",
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"[&::-moz-range-thumb]:cursor-pointer",
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)}
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/>
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</div>
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{/* Source link */}
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{currentTrack.sourceUrl && (
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<Link
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href={currentTrack.sourceUrl}
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aria-label="Go to source page"
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className="size-7 inline-flex items-center justify-center rounded-md text-white/50 hover:text-white hover:bg-white/10 transition-colors"
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>
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<ExternalLink className="size-3.5" />
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</Link>
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)}
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{/* Close */}
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<button
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type="button"
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onClick={stop}
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aria-label="Close player"
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className="size-7 inline-flex items-center justify-center rounded-md text-white/50 hover:text-white hover:bg-white/10 transition-colors outline-none focus-visible:ring-2 focus-visible:ring-ring"
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>
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<X className="size-4" />
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</button>
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</div>
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</div>
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{/* ── Mobile layout ── */}
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<div className="flex md:hidden flex-col px-4 py-3 gap-2.5">
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{/* Time row — right below seeker */}
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<div className="flex items-center justify-between px-0.5">
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<span className="text-[10px] tabular-nums text-white/40 select-none">
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{formatTime(currentTime)}
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</span>
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<span className="text-[10px] tabular-nums text-white/40 select-none">
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{formatTime(duration)}
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</span>
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</div>
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{/* Row 1: Cover + Title + Source + Close */}
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<div className="flex items-center gap-3">
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{/* Cover image */}
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<div className="size-10 rounded-lg overflow-hidden bg-muted shrink-0 relative">
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<Image
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src={coverSrc}
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alt=""
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fill
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className="object-cover"
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unoptimized
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/>
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</div>
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{/* Track info */}
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<div className="flex-1 min-w-0">
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<p className="text-sm font-medium text-white truncate leading-tight">
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{currentTrack.title}
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</p>
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{currentTrack.subtitle && (
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<p className="text-[11px] text-white/50 truncate leading-tight mt-0.5">
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{currentTrack.subtitle}
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</p>
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)}
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</div>
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{/* Source link */}
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{currentTrack.sourceUrl && (
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<Link
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href={currentTrack.sourceUrl}
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aria-label="Go to source page"
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className="size-8 inline-flex items-center justify-center rounded-full text-white/50 hover:text-white hover:bg-white/10 transition-colors shrink-0"
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>
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<ExternalLink className="size-4" />
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</Link>
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)}
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{/* Close */}
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<button
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type="button"
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onClick={stop}
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aria-label="Close player"
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className="size-8 inline-flex items-center justify-center rounded-full text-white/50 hover:text-white hover:bg-white/10 transition-colors outline-none focus-visible:ring-2 focus-visible:ring-ring shrink-0"
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>
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<X className="size-4" />
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</button>
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</div>
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{/* Row 2: Prev + Play/Pause + Next — centered */}
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<div className="flex items-center justify-center gap-4 py-1">
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<TransportButton
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onClick={previous}
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disabled={!hasPrev && currentTime <= 3}
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label="Previous track"
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className="text-white/60 hover:text-white hover:bg-white/10 !size-10"
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>
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<SkipBack className="size-5" />
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</TransportButton>
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<TransportButton
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onClick={togglePlayPause}
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label={isPlaying ? "Pause" : "Play"}
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size="large"
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className="bg-white text-black hover:bg-white/90 !size-12"
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>
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{isLoading ? (
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<Loader2 className="size-5 animate-spin" />
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) : isPlaying ? (
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<Pause className="size-5" />
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) : (
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<Play className="size-5 ml-0.5" />
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)}
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</TransportButton>
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<TransportButton
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onClick={next}
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disabled={!hasNext}
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label="Next track"
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className="text-white/60 hover:text-white hover:bg-white/10 !size-10"
|
|
>
|
|
<SkipForward className="size-5" />
|
|
</TransportButton>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|