Files
QZMusic-Web/src/stores/player.ts

376 lines
12 KiB
TypeScript

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