feat(plugins): QuietSpotify (#36)

Author: 3kh0

plugins/QuietSpotify/index.js

@@ -0,0 +1,57 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+
+const frameJs = (volume) => `(function (volume) {
+  if (window.__slickQuietSpotify) {
+    window.__slickQuietSpotify.volume = volume;
+    return;
+  }
+  const state = (window.__slickQuietSpotify = { volume });
+  const og = Audio.prototype.play;
+  Audio.prototype.play = function () {
+    this.volume = state.volume;
+    return og.apply(this, arguments);
+  };
+})(${volume});`;
+
+module.exports = {
+  meta: {
+    name: 'QuietSpotify',
+    description: 'Customize the volume of Spotify embeds so they are not stupidly loud',
+    version: '1.0.0',
+  },
+
+  settings: {
+    volume: {
+      type: 'number',
+      label: 'Volume (%)',
+      description: '0-100. Anything above 10% is very loud.',
+      default: 10,
+    },
+  },
+
+  main(ctx) {
+    const settingsFile = path.join(ctx.app.getPath('userData'), 'slick', 'plugin-settings.json');
+
+    const volume = () => {
+      let v = ctx.settings.volume;
+      try {
+        const stored = JSON.parse(fs.readFileSync(settingsFile, 'utf8'))[ctx.name];
+        if (stored && stored.volume !== undefined) v = Number(stored.volume);
+      } catch (e) {}
+      if (!Number.isFinite(v)) v = 10;
+      return Math.min(Math.max(v, 0), 100) / 100;
+    };
+
+    ctx.onWindow((win) => {
+      win.webContents.on('frame-created', (_event, { frame }) => {
+        if (!frame) return;
+        frame.on('dom-ready', () => {
+          if (!frame.url.startsWith('https://open.spotify.com/embed/')) return;
+          frame.executeJavaScript(frameJs(volume())).catch((e) => ctx.log('inject failed:', e.message));
+        });
+      });
+    });
+  },
+};

plugins/enabled.json

@@ -8,5 +8,6 @@
   "PrivateChannelMapper",
   "Nicknames",
   "UserPronouns",
-  "SilentTyping"
+  "SilentTyping",
+  "QuietSpotify"
 ]