added express endpoints, a settings service and a media info service

src/constants/globalEvents.js

@@ -0,0 +1,9 @@
+const globalEvents = {
+  play: "play",
+  pause: "pause",
+  playPause: "playPause",
+  next: "next",
+  previous: "previous",
+};
+
+module.exports = globalEvents;

src/constants/mediaKeys.js

@@ -0,0 +1,9 @@
+const globalEvents = require("./globalEvents");
+
+const mediaKeys = {
+  MediaPlayPause: globalEvents.playPause,
+  MediaNextTrack: globalEvents.next,
+  MediaPreviousTrack: globalEvents.previous,
+};
+
+module.exports = mediaKeys;

src/main.js

@@ -1,8 +1,13 @@
-const { app, BrowserWindow, globalShortcut } = require("electron");
+const { app, BrowserWindow, globalShortcut, ipcMain } = require("electron");
+const { settings } = require("./scripts/settings");
+const { addTray, refreshTray } = require("./scripts/tray");
+
 const path = require("path");
 const tidalUrl = "https://listen.tidal.com";
-const trayModule = require("./scripts/tray");
-const mediaKeysModule = require("./scripts/mediaKeys");
+const expressModule = require("./scripts/express");
+const mediaKeys = require("./constants/mediaKeys");
+const mediaInfoModule = require("./scripts/mediaInfo");
+
 let mainWindow;
 let icon = path.join(__dirname, "../assets/icon.png");
 
@@ -47,9 +52,9 @@ function createWindow(options = {}) {
 }
 
 function addGlobalShortcuts() {
-  Object.values(mediaKeysModule).forEach((key) => {
-    globalShortcut.register(key, () => {
-      mainWindow.webContents.send("globalKey", key);
+  Object.keys(mediaKeys).forEach((key) => {
+    globalShortcut.register(`${key}`, () => {
+      mainWindow.webContents.send("globalEvent", `${mediaKeys[key]}`);
     });
   });
 }
@@ -58,11 +63,11 @@ function addGlobalShortcuts() {
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.
 app.on("ready", () => {
-  // window with white backround
   createWindow();
   addGlobalShortcuts();
-  trayModule.addTray({ icon });
-  trayModule.refreshTray();
+  addTray({ icon });
+  refreshTray();
+  settings.api && expressModule.run(mainWindow);
 });
 
 app.on("activate", function() {
@@ -72,3 +77,9 @@ app.on("activate", function() {
     createWindow();
   }
 });
+
+// IPC
+
+ipcMain.on("update-info", (event, arg) => {
+  mediaInfoModule.update(arg);
+});

src/preload.js

@@ -1,11 +1,12 @@
 const { setTitle, getTitle } = require("./scripts/window-functions");
 const { dialog } = require("electron").remote;
-const hotkeys = require("./scripts/hotkeys");
-const mediaKeysModule = require("./scripts/mediaKeys");
-const notifier = require("node-notifier");
+const { settings } = require("./scripts/settings");
 const { ipcRenderer } = require("electron");
 const { app } = require("electron").remote;
 const { downloadFile } = require("./scripts/download");
+const hotkeys = require("./scripts/hotkeys");
+const globalEvents = require("./constants/globalEvents");
+const notifier = require("node-notifier");
 const notificationPath = `${app.getPath("userData")}/notification.jpg`;
 
 const elements = {
@@ -189,15 +190,21 @@ function addIPCEventListeners() {
 
     ipcRenderer.on("globalEvent", (event, args) => {
       switch (args) {
-        case mediaKeysModule.playPause:
+        case globalEvents.playPause:
           playPause();
           break;
-        case mediaKeysModule.next:
+        case globalEvents.next:
           elements.click("next");
           break;
-        case mediaKeysModule.previous:
+        case globalEvents.previous:
           elements.click("previous");
           break;
+        case globalEvents.play:
+          elements.click("play");
+          break;
+        case globalEvents.pause:
+          elements.click("pause");
+          break;
       }
     });
   });
@@ -236,7 +243,8 @@ setInterval(function() {
       }
     }).then(
       () => {
-        notifier.notify(options);
+        ipcRenderer.send("update-info", options);
+        settings.notifications && notifier.notify(options);
       },
       () => {}
     );

src/scripts/express.js

@@ -0,0 +1,36 @@
+const express = require("express");
+const { mediaInfo } = require("./mediaInfo");
+const settingsModule = require("./settings");
+const globalEvents = require("./../constants/globalEvents");
+const expressModule = {};
+var fs = require("fs");
+
+expressModule.run = function(mainWindow) {
+  function handleGlobalEvent(res, action) {
+    mainWindow.webContents.send("globalEvent", action);
+    res.sendStatus(200);
+  }
+
+  const expressApp = express();
+  expressApp.get("/", (req, res) => res.send("Hello World!"));
+  expressApp.get("/current", (req, res) => res.json(mediaInfo));
+  expressApp.get("/play", (req, res) => handleGlobalEvent(res, globalEvents.play));
+  expressApp.get("/pause", (req, res) => handleGlobalEvent(res, globalEvents.pause));
+  expressApp.get("/next", (req, res) => handleGlobalEvent(res, globalEvents.next));
+  expressApp.get("/previous", (req, res) => handleGlobalEvent(res, globalEvents.previous));
+  expressApp.get("/image", (req, res) => {
+    var stream = fs.createReadStream(mediaInfo.icon);
+    stream.on("open", function() {
+      res.set("Content-Type", "image/png");
+      stream.pipe(res);
+    });
+    stream.on("error", function() {
+      res.set("Content-Type", "text/plain");
+      res.status(404).end("Not found");
+    });
+  });
+
+  expressApp.listen(settingsModule.settings.apiSettings.port, () => {});
+};
+
+module.exports = expressModule;

src/scripts/mediaInfo.js

@@ -0,0 +1,25 @@
+const mediaInfo = {
+  title: "",
+  artist: "",
+  icon: "",
+};
+const mediaInfoModule = {
+  mediaInfo,
+};
+
+mediaInfoModule.update = function(arg) {
+  mediaInfo.title = propOrDefault(arg.title);
+  mediaInfo.artist = propOrDefault(arg.message);
+  mediaInfo.icon = propOrDefault(arg.icon);
+};
+
+/**
+ * Return the property or a default value
+ * @param {*} prop property to check
+ * @param {*} defaultValue defaults to ""
+ */
+function propOrDefault(prop, defaultValue = "") {
+  return prop ? prop : defaultValue;
+}
+
+module.exports = mediaInfoModule;

src/scripts/mediaKeys.js

@@ -1,7 +0,0 @@
-const mediaKeysModule = {
-  play: "MediaPlayPause",
-  next: "MediaNextTrack",
-  previous: "MediaPreviousTrack",
-};
-
-module.exports = mediaKeysModule;

src/scripts/settings.js

@@ -0,0 +1,13 @@
+const settings = {
+  notifications: true,
+  api: true,
+  apiSettings: {
+    port: 47836,
+  },
+};
+
+const settingsModule = {
+  settings,
+};
+
+module.exports = settingsModule;