feat: Enable APNS registration + notification delivery in macOS apps (#33574)

shell/browser/api/electron_api_push_notifications_mac.mm

@@ -0,0 +1,62 @@
+// Copyright (c) 2022 Asana, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "shell/browser/api/electron_api_push_notifications.h"
+
+#include <string>
+
+#include <utility>
+#include <vector>
+#import "shell/browser/mac/electron_application.h"
+#include "shell/common/gin_converters/value_converter.h"
+#include "shell/common/gin_helper/promise.h"
+
+namespace electron {
+
+namespace api {
+
+v8::Local<v8::Promise> PushNotifications::RegisterForAPNSNotifications(
+    v8::Isolate* isolate) {
+  gin_helper::Promise<std::string> promise(isolate);
+  v8::Local<v8::Promise> handle = promise.GetHandle();
+
+  [[AtomApplication sharedApplication]
+      registerForRemoteNotificationTypes:NSRemoteNotificationTypeBadge |
+                                         NSRemoteNotificationTypeAlert |
+                                         NSRemoteNotificationTypeSound];
+
+  PushNotifications::apns_promise_set_.emplace_back(std::move(promise));
+  return handle;
+}
+
+void PushNotifications::ResolveAPNSPromiseSetWithToken(
+    const std::string& token_string) {
+  std::vector<gin_helper::Promise<std::string>> promises =
+      std::move(PushNotifications::apns_promise_set_);
+  for (auto& promise : promises) {
+    promise.Resolve(token_string);
+  }
+}
+
+void PushNotifications::RejectAPNSPromiseSetWithError(
+    const std::string& error_message) {
+  std::vector<gin_helper::Promise<std::string>> promises =
+      std::move(PushNotifications::apns_promise_set_);
+  for (auto& promise : promises) {
+    promise.RejectWithErrorMessage(error_message);
+  }
+}
+
+void PushNotifications::UnregisterForAPNSNotifications() {
+  [[AtomApplication sharedApplication] unregisterForRemoteNotifications];
+}
+
+void PushNotifications::OnDidReceiveAPNSNotification(
+    const base::DictionaryValue& user_info) {
+  Emit("received-apns-notification", user_info);
+}
+
+}  // namespace api
+
+}  // namespace electron