541 lines
18 KiB
TypeScript
541 lines
18 KiB
TypeScript
"use client";
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import { useRouter } from "next/navigation";
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import { useEffect, useMemo, useRef, useState } from "react";
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import { Pause, Play } from "lucide-react";
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import type { AwemeData, ImageData, Neighbors, VideoData, VideoTranscript } from "./types.ts";
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import { BackgroundCanvas } from "./components/BackgroundCanvas";
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import { CommentPanel } from "./components/CommentPanel";
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import { ImageCarousel } from "./components/ImageCarousel";
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import { ImageNavigationButtons } from "./components/ImageNavigationButtons";
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import { MediaControls } from "./components/MediaControls";
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import { NavigationButtons } from "./components/NavigationButtons";
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import { TranscriptPanel } from "./components/TranscriptPanel";
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import { VideoPlayer } from "./components/VideoPlayer";
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import { useBackgroundCanvas } from "./hooks/useBackgroundCanvas";
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import { useCommentState } from "./hooks/useCommentState";
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import { useImageCarousel } from "./hooks/useImageCarousel";
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import { useNavigation } from "./hooks/useNavigation";
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import { usePlayerState } from "./hooks/usePlayerState";
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import { useVideoPlayer } from "./hooks/useVideoPlayer";
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import { Prisma } from "@prisma/client";
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const SEGMENT_MS = 4000;
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interface AwemeDetailClientProps {
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data: AwemeData;
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neighbors: Neighbors;
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transcript: VideoTranscript | null;
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}
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export default function AwemeDetailClient({ data, neighbors, transcript }: AwemeDetailClientProps) {
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const router = useRouter();
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const isVideo = data.type === "video";
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// 状态管理
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const playerState = usePlayerState();
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const commentState = useCommentState();
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const [transcriptOpen, setTranscriptOpen] = useState(false);
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// 引用
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const mediaContainerRef = useRef<HTMLDivElement | null>(null);
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const videoRef = useRef<HTMLVideoElement | null>(null);
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const audioRef = useRef<HTMLAudioElement | null>(null);
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const scrollerRef = useRef<HTMLDivElement | null>(null);
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const backgroundCanvasRef = useRef<HTMLCanvasElement | null>(null);
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// 图文轮播状态
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const images = isVideo ? [] : (data as ImageData).images;
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const imageCarouselState = useImageCarousel({
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images,
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isPlaying: playerState.isPlaying,
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loopMode: playerState.loopMode,
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neighbors,
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volume: playerState.volume,
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audioRef,
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scrollerRef,
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setProgress: playerState.setProgress,
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segmentMs: SEGMENT_MS,
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});
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// 视频播放器 hooks
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if (isVideo) {
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useVideoPlayer({
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awemeId: data.aweme_id,
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videoRef,
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volume: playerState.volume,
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rate: playerState.rate,
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loopMode: playerState.loopMode,
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neighbors,
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progressRestored: playerState.progressRestored,
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setIsPlaying: playerState.setIsPlaying,
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setProgress: playerState.setProgress,
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setProgressRestored: playerState.setProgressRestored,
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});
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}
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// 媒体操作函数
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const seekTo = (ratio: number) => {
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ratio = Math.min(1, Math.max(0, ratio));
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if (isVideo) {
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const v = videoRef.current;
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if (!v || !v.duration) return;
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v.currentTime = v.duration * ratio;
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return;
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}
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if (!images?.length) return;
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// 计算每张图片的时长
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const durations = images.map(img => img.duration ?? SEGMENT_MS);
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const totalDuration = durations.reduce((sum, d) => sum + d, 0);
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const targetTime = ratio * totalDuration;
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// 找到目标时间对应的图片索引和进度
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let accumulatedTime = 0;
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let targetIdx = 0;
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let remainder = 0;
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for (let i = 0; i < images.length; i++) {
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if (accumulatedTime + durations[i] > targetTime) {
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targetIdx = i;
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remainder = (targetTime - accumulatedTime) / durations[i];
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break;
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}
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accumulatedTime += durations[i];
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if (i === images.length - 1) {
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targetIdx = i;
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remainder = 1;
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}
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}
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imageCarouselState.idxRef.current = targetIdx;
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imageCarouselState.setIdx(targetIdx);
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imageCarouselState.segStartRef.current = performance.now() - remainder * durations[targetIdx];
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// 重新计算总进度
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let totalProgress = 0;
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for (let i = 0; i < targetIdx; i++) {
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totalProgress += 1;
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}
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totalProgress += remainder;
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playerState.setProgress(totalProgress / images.length);
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// 虚拟滚动不需要实际滚动 DOM
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};
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const togglePlay = async () => {
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if (isVideo) {
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const v = videoRef.current;
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if (!v) return;
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if (v.paused) await v.play().catch(() => { });
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else v.pause();
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return;
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}
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const el = audioRef.current;
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if (!playerState.isPlaying) {
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playerState.setIsPlaying(true);
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try {
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await el?.play().catch(() => { });
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} catch { }
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} else {
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playerState.setIsPlaying(false);
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el?.pause();
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}
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};
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const toggleFullscreen = () => {
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if (!document.fullscreenElement) {
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if (document.body.requestFullscreen) {
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document.body.requestFullscreen().catch(() => { });
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return;
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}
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const vRef = videoRef.current;
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if (vRef && vRef.requestFullscreen) {
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vRef.requestFullscreen().catch(() => { });
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return;
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}
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// @ts-ignore
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if (vRef && vRef.webkitEnterFullscreen) {
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// @ts-ignore
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vRef.webkitEnterFullscreen();
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}
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} else {
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document.exitFullscreen().catch(() => { });
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}
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};
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const prevImg = () => {
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if (!images?.length) return;
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const next = Math.max(0, imageCarouselState.idxRef.current - 1);
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imageCarouselState.idxRef.current = next;
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imageCarouselState.setIdx(next);
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imageCarouselState.segStartRef.current = performance.now();
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// 虚拟滚动不需要实际滚动 DOM
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};
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const nextImg = () => {
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if (!images?.length) return;
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const next = Math.min(images.length - 1, imageCarouselState.idxRef.current + 1);
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imageCarouselState.idxRef.current = next;
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imageCarouselState.setIdx(next);
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imageCarouselState.segStartRef.current = performance.now();
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// 虚拟滚动不需要实际滚动 DOM
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};
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const handleDownload = () => {
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if (isVideo) {
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const videoUrl = (data as VideoData).video_url;
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const link = document.createElement("a");
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link.href = videoUrl;
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link.download = `video_${data.aweme_id}.mp4`;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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} else {
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if (!images?.length) return;
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const currentImage = images[imageCarouselState.idx];
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const link = document.createElement("a");
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link.href = currentImage.url;
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link.download = `image_${data.aweme_id}_${imageCarouselState.idx + 1}.jpg`;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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};
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// 导航相关
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useNavigation({
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neighbors,
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isVideo,
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mediaContainerRef,
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videoRef,
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prevImg,
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nextImg,
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togglePlay,
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});
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// 背景画布
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useBackgroundCanvas({
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isVideo,
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idx: imageCarouselState.idx,
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videoRef,
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scrollerRef,
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backgroundCanvasRef,
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});
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// Media Session API 集成
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useEffect(() => {
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if (typeof window === "undefined") return;
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if (!("mediaSession" in navigator)) return;
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const ms = (navigator as any).mediaSession as MediaSession;
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// 元信息：标题、作者、专辑（使用创建时间），封面图（优先当前图片，其次作者头像）
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const title = data.desc || `作品 ${data.aweme_id}`;
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const artist = data.author.nickname || "作者";
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const album = new Date(data.created_at).toLocaleString();
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// 单一封面图：使用作品 cover_url
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const coverUrl = (data as AwemeData).cover_url as string | undefined;
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const coverSize = (data as AwemeData).cover_size as { w: number; h: number } | undefined;
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const artwork = coverUrl ? [{ src: coverUrl, size: `${coverSize?.w || 512}x${coverSize?.h || 512}` }] : [];
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try {
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ms.metadata = new MediaMetadata({ title, artist, album, artwork });
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} catch { }
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// 更新播放状态
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try {
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ms.playbackState = playerState.isPlaying ? "playing" : "paused";
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} catch { }
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const getImagesTotalMs = () =>
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(images || []).reduce((sum, img) => sum + (img.duration ?? SEGMENT_MS), 0);
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const updatePosition = () => {
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try {
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// @ts-ignore: setPositionState 可能不存在
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if (!ms.setPositionState) return;
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if (isVideo) {
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const v = videoRef.current;
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if (!v || !isFinite(v.duration) || isNaN(v.duration)) return;
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// @ts-ignore
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ms.setPositionState({
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duration: Math.max(0, v.duration),
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position: Math.max(0, v.currentTime),
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playbackRate: playerState.rate ?? 1,
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});
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} else if (images?.length) {
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const totalMs = getImagesTotalMs();
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const duration = totalMs / 1000;
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const position = Math.max(0, Math.min(duration, (playerState.progress * totalMs) / 1000));
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// @ts-ignore
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ms.setPositionState({ duration, position, playbackRate: 1 });
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}
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} catch { }
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};
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// 绑定视频事件以同步状态
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let timeUpdateTimer: number | null = null;
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const v = videoRef.current;
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if (isVideo && v) {
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const onPlay = () => {
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try { ms.playbackState = "playing"; } catch { }
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updatePosition();
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};
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const onPause = () => {
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try { ms.playbackState = "paused"; } catch { }
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updatePosition();
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};
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const onTimeUpdate = () => updatePosition();
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v.addEventListener("play", onPlay);
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v.addEventListener("pause", onPause);
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v.addEventListener("timeupdate", onTimeUpdate);
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// 初始同步
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updatePosition();
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// 清理
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timeUpdateTimer = null;
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return () => {
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v.removeEventListener("play", onPlay);
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v.removeEventListener("pause", onPause);
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v.removeEventListener("timeupdate", onTimeUpdate);
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};
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} else if (!isVideo && images?.length) {
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// 图文用定时器定期同步位置
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const id = window.setInterval(updatePosition, 1000);
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// 初始同步
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updatePosition();
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return () => window.clearInterval(id);
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}
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// 依赖：当这些变化时刷新元信息与位置状态
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}, [
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isVideo,
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data.aweme_id,
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data.desc,
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data.author.nickname,
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data.author.avatar_url,
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data.created_at,
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imageCarouselState.idx,
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images,
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playerState.isPlaying,
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playerState.progress,
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playerState.rate,
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]);
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// 绑定系统媒体控件的操作处理程序
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useEffect(() => {
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if (typeof window === "undefined") return;
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if (!("mediaSession" in navigator)) return;
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const ms = (navigator as any).mediaSession as MediaSession;
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const getImagesTotalMs = () =>
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(images || []).reduce((sum, img) => sum + (img.duration ?? SEGMENT_MS), 0);
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const handlePlay = async () => {
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if (isVideo) {
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const v = videoRef.current;
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try { await v?.play(); } catch { }
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} else {
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playerState.setIsPlaying(true);
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try { await audioRef.current?.play(); } catch { }
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}
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};
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const handlePause = () => {
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if (isVideo) {
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const v = videoRef.current;
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v?.pause();
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} else {
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playerState.setIsPlaying(false);
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audioRef.current?.pause();
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}
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};
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const handleStop = () => {
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if (isVideo) {
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const v = videoRef.current;
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if (v) { v.pause(); v.currentTime = 0; }
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} else {
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playerState.setIsPlaying(false);
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audioRef.current?.pause();
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seekTo(0);
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}
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};
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const handleSeekDelta = (deltaSec: number) => {
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if (isVideo) {
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const v = videoRef.current;
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if (v) v.currentTime = Math.max(0, Math.min(v.duration || Infinity, v.currentTime + deltaSec));
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} else if (images?.length) {
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const totalMs = getImagesTotalMs();
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if (totalMs <= 0) return;
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const deltaRatio = (deltaSec * 1000) / totalMs;
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seekTo(playerState.progress + deltaRatio);
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}
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};
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const handleSeekTo = (seekTimeSec: number) => {
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if (isVideo) {
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const v = videoRef.current;
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if (v && isFinite(v.duration)) {
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v.currentTime = Math.max(0, Math.min(v.duration, seekTimeSec));
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}
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} else if (images?.length) {
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const totalMs = getImagesTotalMs();
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const totalSec = totalMs / 1000;
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if (totalSec > 0) seekTo(seekTimeSec / totalSec);
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}
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};
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ms.setActionHandler("play", handlePlay);
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ms.setActionHandler("pause", handlePause);
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ms.setActionHandler("stop", handleStop);
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ms.setActionHandler("seekbackward", (details: any) => handleSeekDelta(-((details?.seekOffset as number) || 10)));
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ms.setActionHandler("seekforward", (details: any) => handleSeekDelta((details?.seekOffset as number) || 10));
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ms.setActionHandler("seekto", (details: any) => {
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if (typeof details?.seekTime === "number") handleSeekTo(details.seekTime);
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});
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ms.setActionHandler("previoustrack", () => {
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if (!isVideo && images?.length > 1) {
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prevImg();
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} else if (neighbors.prev) {
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router.push(`/aweme/${neighbors.prev.aweme_id}`);
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}
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});
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ms.setActionHandler("nexttrack", () => {
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if (!isVideo && images?.length > 1) {
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nextImg();
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} else if (neighbors.next) {
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router.push(`/aweme/${neighbors.next.aweme_id}`);
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}
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});
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return () => {
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try {
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ms.setActionHandler("play", null);
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ms.setActionHandler("pause", null);
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ms.setActionHandler("stop", null);
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ms.setActionHandler("seekbackward", null);
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ms.setActionHandler("seekforward", null);
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ms.setActionHandler("seekto", null);
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ms.setActionHandler("previoustrack", null);
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ms.setActionHandler("nexttrack", null);
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} catch { }
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};
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}, [
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isVideo,
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images,
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neighbors.prev,
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neighbors.next,
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router,
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playerState.progress,
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]);
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return (
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<div className="h-screen w-full">
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<BackgroundCanvas ref={backgroundCanvasRef} />
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<div className="relative h-full landscape:flex landscape:flex-row">
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{/* 主媒体区域 */}
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<section ref={mediaContainerRef} className="relative h-screen landscape:flex-1">
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<div className="relative h-screen overflow-hidden">
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{isVideo ? (
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<VideoPlayer
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ref={videoRef}
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videoUrl={(data as VideoData).video_url}
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rotation={playerState.rotation}
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objectFit={playerState.objectFit}
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loop={playerState.loopMode === "loop"}
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onTogglePlay={togglePlay}
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/>
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) : (
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<ImageCarousel
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ref={scrollerRef}
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images={images}
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currentIndex={imageCarouselState.idx}
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onTogglePlay={togglePlay}
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/>
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)}
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{/* 暂停图标 */}
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{!playerState.isPlaying && (
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<div className="pointer-events-none absolute inset-0 grid place-items-center">
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<div className="rounded-full bg-black/40 p-6 backdrop-blur-sm">
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<Play size={64} className="text-white" fill="white" />
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</div>
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</div>
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)}
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{/* 图文切换按钮 */}
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{!isVideo && images.length > 1 && (
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<ImageNavigationButtons
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onPrev={prevImg}
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onNext={nextImg}
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currentIndex={imageCarouselState.idx}
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totalImages={images.length}
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/>
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)}
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{/* 媒体控制栏 */}
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<MediaControls
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isVideo={isVideo}
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isPlaying={playerState.isPlaying}
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progress={playerState.progress}
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volume={playerState.volume}
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rate={playerState.rate}
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rotation={playerState.rotation}
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objectFit={playerState.objectFit}
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loopMode={playerState.loopMode}
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isFullscreen={playerState.isFullscreen}
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author={data.author}
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createdAt={data.created_at}
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desc={data.desc}
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videoRef={videoRef}
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currentIndex={imageCarouselState.idx}
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totalSegments={images.length}
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segmentProgress={imageCarouselState.segProgress}
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musicUrl={isVideo ? undefined : (data as ImageData).music_url}
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audioRef={audioRef}
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hasTranscript={isVideo && !!transcript?.speech_detected}
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onShowTranscript={() => setTranscriptOpen(true)}
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onTogglePlay={togglePlay}
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onSeek={seekTo}
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onVolumeChange={playerState.setVolume}
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onRateChange={playerState.setRate}
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onRotationChange={playerState.setRotation}
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onObjectFitChange={playerState.setObjectFit}
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onLoopModeChange={playerState.setLoopMode}
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onDownload={handleDownload}
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onToggleFullscreen={toggleFullscreen}
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/>
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</div>
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{/* 导航按钮 */}
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|
<NavigationButtons
|
|
neighbors={neighbors}
|
|
commentsCount={data.commentsCount}
|
|
likesCount={data.likesCount}
|
|
onNavigatePrev={() => neighbors.prev && router.push(`/aweme/${neighbors.prev.aweme_id}`)}
|
|
onNavigateNext={() => neighbors.next && router.push(`/aweme/${neighbors.next.aweme_id}`)}
|
|
onToggleComments={() => commentState.setOpen((v) => !v)}
|
|
/>
|
|
</section>
|
|
|
|
{/* 评论面板 */}
|
|
<CommentPanel
|
|
open={commentState.open}
|
|
onClose={() => commentState.setOpen(false)}
|
|
author={data.author}
|
|
createdAt={data.created_at}
|
|
awemeId={data.aweme_id}
|
|
mounted={commentState.mounted}
|
|
/>
|
|
|
|
{/* 转录面板 */}
|
|
<TranscriptPanel
|
|
open={transcriptOpen}
|
|
onClose={() => setTranscriptOpen(false)}
|
|
transcript={transcript}
|
|
/>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|