chore: update to tauri alpha.16, api alpha.9 (#673)

Co-authored-by: Amr Bashir <amr.bashir2015@gmail.com>

plugins/notification/guest-js/index.ts

@@ -13,7 +13,7 @@ import {
   invoke,
   PluginListener,
   addPluginListener,
-} from "@tauri-apps/api/tauri";
+} from "@tauri-apps/api/primitives";
 
 /**
  * Options to send a notification.

plugins/notification/guest-js/init.ts

@@ -0,0 +1,83 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import { invoke } from "@tauri-apps/api/primitives";
+import type { Options } from "./index";
+
+(function () {
+  let permissionSettable = false;
+  let permissionValue = "default";
+
+  function isPermissionGranted() {
+    if (window.Notification.permission !== "default") {
+      return Promise.resolve(window.Notification.permission === "granted");
+    }
+    return invoke("plugin:notification|is_permission_granted");
+  }
+
+  function setNotificationPermission(value: "granted" | "denied" | "default") {
+    permissionSettable = true;
+    // @ts-expect-error we can actually set this value on the webview
+    window.Notification.permission = value;
+    permissionSettable = false;
+  }
+
+  function requestPermission() {
+    return invoke<"prompt" | "default" | "granted" | "denied">(
+      "plugin:notification|request_permission",
+    ).then((permission) => {
+      setNotificationPermission(
+        permission === "prompt" ? "default" : permission,
+      );
+      return permission;
+    });
+  }
+
+  function sendNotification(options: string | Options) {
+    if (typeof options === "object") {
+      Object.freeze(options);
+    }
+
+    return invoke("plugin:notification|notify", {
+      options:
+        typeof options === "string"
+          ? {
+              title: options,
+            }
+          : options,
+    });
+  }
+
+  // @ts-expect-error unfortunately we can't implement the whole type, so we overwrite it with our own version
+  window.Notification = function (title, options) {
+    const opts = options || {};
+    sendNotification(
+      Object.assign(opts, {
+        title,
+      }),
+    );
+  };
+
+  // @ts-expect-error tauri does not have sync IPC :(
+  window.Notification.requestPermission = requestPermission;
+
+  Object.defineProperty(window.Notification, "permission", {
+    enumerable: true,
+    get: () => permissionValue,
+    set: (v) => {
+      if (!permissionSettable) {
+        throw new Error("Readonly property");
+      }
+      permissionValue = v;
+    },
+  });
+
+  isPermissionGranted().then(function (response) {
+    if (response === null) {
+      setNotificationPermission("default");
+    } else {
+      setNotificationPermission(response ? "granted" : "denied");
+    }
+  });
+})();