123 lines
2.9 KiB
JavaScript
123 lines
2.9 KiB
JavaScript
import * as html from "../html.js";
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import Component from "../component.js";
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import Song from "./song.js";
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import { escape } from "../mpd.js";
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function generateMoveCommands(items, diff, all) {
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const COMPARE = (a, b) => all.indexOf(a) - all.indexOf(b);
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return items.sort(COMPARE)
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.map(item => {
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let index = all.indexOf(item) + diff;
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if (index < 0 || index >= all.length) { return null; } // this does not move
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return `moveid ${item.songId} ${index}`;
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})
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.filter(command => command);
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}
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class Queue extends Component {
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constructor() {
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super({selection:"multi"});
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this._currentId = null;
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this._initCommands();
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}
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handleEvent(e) {
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switch (e.type) {
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case "song-change":
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this._currentId = e.detail["Id"];
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this._updateCurrent();
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break;
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case "idle-change":
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e.detail.includes("playlist") && this._sync();
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break;
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}
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}
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_onAppLoad() {
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this._app.addEventListener("idle-change", this);
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this._app.addEventListener("song-change", this);
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this._sync();
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}
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_onComponentChange(c, isThis) {
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this.hidden = !isThis;
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}
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async _sync() {
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let songs = await this._mpd.listQueue();
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this._buildSongs(songs);
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let e = new CustomEvent("queue-length-change", {detail:songs.length});
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this._app.dispatchEvent(e);
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}
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_updateCurrent() {
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Array.from(this.children).forEach(/** @param {Song} node */ node => {
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node.playing = (node.songId == this._currentId);
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});
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}
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_buildSongs(songs) {
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html.clear(this);
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this.selection.clear();
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songs.forEach(song => {
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const node = new Song(song);
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this.appendChild(node);
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node.addButton("play", async _ => {
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await this._mpd.command(`playid ${node.songId}`);
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});
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});
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this._updateCurrent();
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}
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_initCommands() {
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const sel = this.selection;
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sel.addCommandAll();
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sel.addCommand(items => {
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const commands = generateMoveCommands(items, -1, Array.from(this.children));
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this._mpd.command(commands);
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}, {label:"Up", icon:"arrow-up-bold"});
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sel.addCommand(items => {
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const commands = generateMoveCommands(items, +1, Array.from(this.children));
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this._mpd.command(commands.reverse()); // move last first
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}, {label:"Down", icon:"arrow-down-bold"});
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sel.addCommand(async items => {
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let name = prompt("Save selected songs as a playlist?", "name");
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if (name === null) { return; }
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name = escape(name);
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try { // might not exist
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await this._mpd.command(`rm "${name}"`);
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} catch (e) {}
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const commands = items.map(item => {
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return `playlistadd "${name}" "${escape(item.file)}"`;
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});
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await this._mpd.command(commands);
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sel.clear();
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}, {label:"Save", icon:"content-save"});
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sel.addCommand(async items => {
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if (!confirm(`Remove these ${items.length} songs from the queue?`)) { return; }
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const commands = items.map(item => `deleteid ${item.songId}`);
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this._mpd.command(commands);
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}, {label:"Remove", icon:"delete"});
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sel.addCommandCancel();
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}
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}
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customElements.define("cyp-queue", Queue);
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