Merge pull request #116 from mendix/release/7.4.0

[UIA-15] Add support for web push

build.gradle

@@ -22,7 +22,7 @@ apply plugin: 'org.owasp.dependencycheck'
 apply plugin: 'com.github.ben-manes.versions'
 
 project.ext {
-    PNC_VERSION = '7.3.0'
+    PNC_VERSION = '7.4.0'
     MXBUILD_VERSION = '9.24.0.2965'
     MODULE_NAME = 'PushNotifications'
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "MxPushNotifications",
-  "version": "7.3.0",
+  "version": "7.4.0",
   "description": "Phonegap widget for notifications",
   "license": "Apache 2.0",
   "author": "Mendix Technology B.V.",

test/javascriptsource/pushnotifications/actions/RegisterForPushNotificationsWeb.js

@@ -0,0 +1,55 @@
+// This file was generated by Mendix Studio Pro.
+//
+// WARNING: Only the following code will be retained when actions are regenerated:
+// - the import list
+// - the code between BEGIN USER CODE and END USER CODE
+// - the code between BEGIN EXTRA CODE and END EXTRA CODE
+// Other code you write will be lost the next time you deploy the project.
+import "mx-global";
+import { Big } from "big.js";
+
+// BEGIN EXTRA CODE
+async function wait(timeout) {
+    return new Promise(resolve => setTimeout(resolve, timeout))
+}
+
+async function attemptWithRetries(retries, timeout, action) {
+    for (let trial = 0; trial < retries; trial++) {
+        try {
+            return await action();
+        } catch (err) {
+            await wait(timeout);
+        }
+    }
+    return await action();
+}
+// END EXTRA CODE
+
+/**
+ * @param {string} vapidKey
+ * @returns {Promise.<string>}
+ */
+export async function RegisterForPushNotificationsWeb(vapidKey) {
+    // BEGIN USER CODE
+    if ("Notification" in window !== true)
+        throw new Error("Notification API not available.");
+
+    if ("firebase" in window !== true)
+        throw new Error("Firebase API not available.");
+
+    if (vapidKey === undefined || vapidKey === "")
+        throw new Error("VAPID (Voluntary Application Server Identification) key not available.")
+
+    // Request permission
+    const permission = await Notification.requestPermission();
+    if (permission !== "granted")
+        throw new Error("Permission to receive push notifications not granted.")
+
+    // Get token
+    const messaging = firebase.messaging();
+    const token = await attemptWithRetries(3, 1000, async () => await messaging.getToken({ vapidKey }));
+
+    console.info("Registered for push notifications with token: " + token);
+    return token;
+    // END USER CODE
+}