Fix #462 (partially)

electron/icon.png

-../src/assets/icons/android-chrome-512x512.png
\ No newline at end of file

main.js

-const { app, dialog, shell, net, BrowserWindow, Notification } = require('electron');
+const { app, dialog, shell, net, BrowserWindow, Notification, nativeImage } = require('electron');
 
 let win;
 
@@ -23,7 +23,6 @@ function createWindow () {
     // Ask confirmation before closing the app.
     win.on('close', (e) => {
         e.preventDefault();
-        // @WARNING renders ugly on Linux
         const choice = dialog.showMessageBoxSync(
             {
               type: "question",
@@ -68,6 +67,14 @@ function semverCompare(a, b) {
     return 0;
 }
 
+// debug
+function alert(text) {
+    dialog.showMessageBox(null, {
+        message: text,
+        buttons: ['Cancel']
+    });
+}
+
 /**
  * Calls the Cassiopee update server to check for available updates;
  * if so, displays a desktop notification which, if clicked, will
@@ -121,11 +128,15 @@ const lookForUpdates = function() {
                         const latestVersionURL = URL + data[data.latest][platform];
                         // show notification on desktop
                         if (Notification.isSupported()) {
+                            // @see https://stackoverflow.com/questions/41823184/how-to-get-icon-path-image-in-electron-builder
+                            let iconPath = "assets/icons/electron/icon.png";
+                            if (! app.isPackaged) {
+                                iconPath = "dist/" + iconPath; // marche pas !? Comment obtenir le chemin de l'icône dans app.asar ?
+                            }
                             let notif = new Notification({
                                 title: `Cassiopee version ${data.latest} is available`,
                                 body: `Click to download update installer`,
-                                icon: "electron/icon.png"
-
+                                icon: nativeImage.createFromPath(iconPath) // @see https://github.com/electron/electron/issues/24221
                             });
                             notif.addListener("click", () => {
                                 // ask system to open URL with default browser

package-lock.json

@@ -2412,12 +2412,12 @@
       },
       "dependencies": {
         "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
+          "integrity": "sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "env-paths": {
@@ -8094,9 +8094,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "12.12.61",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.61.tgz",
-          "integrity": "sha512-+/KPk6uV9qGfVX0y2uUj3y8O0Z6KZWUy3XTS0uQGYYF+iXGtepm9GPETdcRq+hGmErkLOr5QJDX8vuymkwu4sA==",
+          "version": "12.12.62",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.62.tgz",
+          "integrity": "sha512-qAfo81CsD7yQIM9mVyh6B/U47li5g7cfpVQEDMfQeF8pSZVwzbhwU3crc0qG4DmpsebpJPR49AKOExQyJ05Cpg==",
           "dev": true
         }
       }
@@ -18322,12 +18322,12 @@
       },
       "dependencies": {
         "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
+          "integrity": "sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {

src/assets/icons/electron/icon.png

+../android-chrome-512x512.png
\ No newline at end of file