376 lines
12 KiB
TypeScript
376 lines
12 KiB
TypeScript
import { defineStore } from 'pinia';
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import { ref, shallowRef, watch } from 'vue';
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import { MessagePlugin } from 'tdesign-vue-next';
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import type { Song } from '../types/song';
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export enum PlayMode {
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List = 'list',
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Single = 'single',
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Random = 'random'
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}
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let audioElement: HTMLAudioElement | null = null;
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let audioContext: AudioContext | null = null;
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let analyser: AnalyserNode | null = null;
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let animationFrameId: number | null = null;
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export const usePlayerStore = defineStore('player', () => {
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// State
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const isPlaying = ref(false);
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const currentSong = ref<Song | null>(null);
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const savedVolume = localStorage.getItem('qz-player-volume');
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const volume = ref(savedVolume ? Number(savedVolume) : 50); // 1~100
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// Persistence & Sync
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watch(volume, (newVol) => {
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localStorage.setItem('qz-player-volume', newVol.toString());
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if (audioElement) {
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audioElement.volume = newVol / 100;
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}
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});
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const duration = ref(0); //毫秒级
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const currentTime = ref(0); //毫秒级
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// Audio Visualization State
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const loudness = ref(0);
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const spectrum = ref<number[]>([]);
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// UI State
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const isPlayerFullScreen = ref(false);
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const hideLyricView = ref(false);
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// Playlist State
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const savedPlaylist = localStorage.getItem('qz-player-playlist');
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const savedIndex = localStorage.getItem('qz-player-index');
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const playlist = ref<Song[]>(savedPlaylist ? JSON.parse(savedPlaylist) : []);
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const currentIndex = ref(savedIndex ? Number(savedIndex) : -1);
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const playMode = ref<PlayMode>(PlayMode.List);
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const savedAddMode = localStorage.getItem('qz-player-add-mode');
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const addListMode = ref<'replace' | 'append'>((savedAddMode as 'replace' | 'append') || 'replace');
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// Error Handling
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const playErrorCount = ref(0);
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const MAX_RETRY_COUNT = 3;
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// Lyrics State
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const lyrics = shallowRef<{ lines: any[] }>({ lines: [] });
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// Initialize audio element
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const initAudio = () => {
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if (!audioElement && typeof window !== 'undefined') {
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audioElement = new Audio();
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audioElement.volume = volume.value / 100;
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// Setup audio context for visualization
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if (window.AudioContext || (window as any).webkitAudioContext) {
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audioContext = new (window.AudioContext || (window as any).webkitAudioContext)();
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analyser = audioContext.createAnalyser();
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analyser.fftSize = 256;
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const source = audioContext.createMediaElementSource(audioElement);
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source.connect(analyser);
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analyser.connect(audioContext.destination);
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}
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// Event listeners
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audioElement.addEventListener('loadedmetadata', () => {
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if (audioElement) {
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duration.value = audioElement.duration * 1000;
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}
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});
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audioElement.addEventListener('timeupdate', () => {
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if (audioElement) {
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currentTime.value = audioElement.currentTime * 1000;
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}
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});
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audioElement.addEventListener('play', () => {
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isPlaying.value = true;
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startVisualization();
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if ('mediaSession' in navigator) {
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navigator.mediaSession.playbackState = 'playing';
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}
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});
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audioElement.addEventListener('pause', () => {
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isPlaying.value = false;
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stopVisualization();
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if ('mediaSession' in navigator) {
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navigator.mediaSession.playbackState = 'paused';
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}
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});
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audioElement.addEventListener('ended', () => {
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next(false);
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});
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audioElement.addEventListener('error', (e) => {
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console.error('Audio error:', e);
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handlePlayError();
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});
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}
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};
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const startVisualization = () => {
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if (!analyser || !audioContext) return;
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const bufferLength = analyser.frequencyBinCount;
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const dataArray = new Uint8Array(bufferLength);
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const animate = () => {
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if (!isPlaying.value) return;
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animationFrameId = requestAnimationFrame(animate);
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analyser?.getByteFrequencyData(dataArray);
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// Calculate average loudness
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let sum = 0;
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for (let i = 0; i < bufferLength; i++) {
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sum += dataArray[i];
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}
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loudness.value = sum / bufferLength;
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// Update spectrum
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spectrum.value = Array.from(dataArray);
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};
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animate();
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};
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const stopVisualization = () => {
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if (animationFrameId !== null) {
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cancelAnimationFrame(animationFrameId);
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animationFrameId = null;
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}
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};
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// --- Actions ---
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const setPlaylist = async (list: any[], startIndex = 0) => {
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playlist.value = list;
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currentIndex.value = startIndex;
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if (list.length > 0 && startIndex >= 0 && startIndex < list.length) {
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await playSong(list[startIndex]);
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}
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};
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const playFromList = async (song: Song, contextList: Song[]) => {
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if (addListMode.value === 'replace') {
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const index = contextList.findIndex(s => s.id === song.id);
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if (index !== -1) {
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await setPlaylist(contextList, index);
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} else {
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await setPlaylist([song], 0);
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}
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} else {
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playlist.value.push(song);
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const newIndex = playlist.value.length - 1;
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currentIndex.value = newIndex;
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await playSong(song);
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}
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};
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const playSong = async (song: Song, autoPlay = true) => {
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if (!song) return;
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initAudio();
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console.log(song);
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currentSong.value = song;
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const foundIndex = playlist.value.findIndex(s => s.id === song.id);
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if (foundIndex !== -1) {
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currentIndex.value = foundIndex;
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}
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updateMediaSession(song);
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fetchLyrics(song);
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// Resume audio context if suspended (for autoplay policy)
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if (audioContext && audioContext.state === 'suspended') {
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await audioContext.resume();
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}
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let playUrl = song.url;
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if (song.type === 'Remote' && song.source) {
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const quality = 'hires';
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playUrl = `http://localhost:5266/music?source=${song.source}&id=${song.id}&quality=${quality}`;
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console.log('[Player] Using Proxy:', playUrl);
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}
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if (playUrl && audioElement) {
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console.log('Playing:', song.name, 'AutoPlay:', autoPlay);
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try {
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audioElement.src = playUrl;
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audioElement.load();
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if (autoPlay) {
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await audioElement.play();
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}
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song.url = playUrl;
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playErrorCount.value = 0;
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} catch (e) {
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console.error("Play request failed:", e);
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if (autoPlay) handlePlayError();
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}
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} else {
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console.warn("Song has no URL");
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if (autoPlay) handlePlayError();
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}
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};
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const fetchLyrics = async (song: Song) => {
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lyrics.value = { lines: [] };
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if (!song || !song.id) return;
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try {
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// TODO: Implement web-based lyric fetching
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MessagePlugin.info("网页版暂不支持歌词获取").then();
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} catch (e) {
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console.error('Failed to fetch lyrics:', e);
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}
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};
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const updateMediaSession = (song: Song) => {
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if (!('mediaSession' in navigator)) return;
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navigator.mediaSession.metadata = new MediaMetadata({
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title: song.name,
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artist: song.artist,
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album: song.albumName || '',
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artwork: song.picUrl ? [{ src: song.picUrl, sizes: '512x512', type: 'image/png' }] : []
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});
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navigator.mediaSession.setActionHandler('play', () => togglePlay());
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navigator.mediaSession.setActionHandler('pause', () => togglePlay());
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navigator.mediaSession.setActionHandler('previoustrack', () => prev());
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navigator.mediaSession.setActionHandler('nexttrack', () => next(true));
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navigator.mediaSession.setActionHandler('seekto', (details) => {
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if (details.seekTime != null) {
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seek(details.seekTime);
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}
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});
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};
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const next = async (manual = true) => {
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if (playlist.value.length === 0) return;
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let nextIndex = currentIndex.value;
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if (playMode.value === PlayMode.Single && !manual) {
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nextIndex = currentIndex.value;
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} else if (playMode.value === PlayMode.Random) {
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nextIndex = Math.floor(Math.random() * playlist.value.length);
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} else {
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nextIndex = (currentIndex.value + 1) % playlist.value.length;
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}
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currentIndex.value = nextIndex;
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await playSong(playlist.value[nextIndex]);
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};
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const prev = async () => {
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if (playlist.value.length === 0) return;
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let prevIndex = currentIndex.value;
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if (playMode.value === PlayMode.Random) {
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prevIndex = Math.floor(Math.random() * playlist.value.length);
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} else {
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prevIndex = (currentIndex.value - 1 + playlist.value.length) % playlist.value.length;
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}
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currentIndex.value = prevIndex;
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await playSong(playlist.value[prevIndex]);
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};
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const handlePlayError = async () => {
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playErrorCount.value++;
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if (playlist.value.length === 0) {
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isPlaying.value = false;
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playErrorCount.value = 0;
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return;
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}
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if (playErrorCount.value >= MAX_RETRY_COUNT) {
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audioElement?.pause();
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isPlaying.value = false;
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MessagePlugin.error('连续多次播放失败,已停止播放').then();
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playErrorCount.value = 0;
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} else {
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MessagePlugin.warning(`播放失败,尝试播放下一首 (${playErrorCount.value}/${MAX_RETRY_COUNT})`).then();
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next(false);
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}
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};
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const togglePlay = async () => {
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if (!audioElement) {
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initAudio();
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}
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if (audioElement) {
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if (isPlaying.value) {
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audioElement.pause();
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} else {
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await audioElement.play();
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}
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}
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};
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const setVolume = async (vol: number) => {
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volume.value = vol;
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if (audioElement) {
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audioElement.volume = vol / 100;
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}
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};
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const seek = async (time: number) => {
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if (audioElement) {
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audioElement.currentTime = time / 1000;
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}
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};
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const toggleMode = () => {
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if (playMode.value === PlayMode.List) playMode.value = PlayMode.Single;
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else if (playMode.value === PlayMode.Single) playMode.value = PlayMode.Random;
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else playMode.value = PlayMode.List;
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};
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const toggleFullScreen = () => {
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isPlayerFullScreen.value = !isPlayerFullScreen.value;
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};
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// Persistence Listeners
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watch(() => [playlist.value, currentIndex.value], () => {
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localStorage.setItem('qz-player-playlist', JSON.stringify(playlist.value));
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localStorage.setItem('qz-player-index', currentIndex.value.toString());
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}, { deep: true });
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watch(addListMode, (newMode) => {
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localStorage.setItem('qz-player-add-mode', newMode);
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});
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// Restore initial state
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if (playlist.value.length > 0 && currentIndex.value >= 0 && currentIndex.value < playlist.value.length) {
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const restoredSong = playlist.value[currentIndex.value];
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if (restoredSong) {
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// Do not auto-play on restore
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currentSong.value = restoredSong;
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}
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}
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return {
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isPlaying,
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currentSong,
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volume,
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duration,
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currentTime,
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playlist,
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playMode,
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loudness,
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spectrum,
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isPlayerFullScreen,
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setPlaylist,
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playSong,
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next,
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prev,
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togglePlay,
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setVolume,
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seek,
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toggleMode,
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toggleFullScreen,
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lyrics,
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fetchLyrics,
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addListMode,
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playFromList,
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hideLyricView
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};
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});
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