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

shell/browser/api/electron_api_push_notifications.h

@@ -0,0 +1,64 @@
+// Copyright (c) 2016 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PUSH_NOTIFICATIONS_H_
+#define ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PUSH_NOTIFICATIONS_H_
+
+#include <string>
+
+#include <vector>
+#include "gin/handle.h"
+#include "gin/wrappable.h"
+#include "shell/browser/browser_observer.h"
+#include "shell/browser/electron_browser_client.h"
+#include "shell/browser/event_emitter_mixin.h"
+#include "shell/common/gin_helper/promise.h"
+
+namespace electron {
+
+namespace api {
+
+class PushNotifications
+    : public ElectronBrowserClient::Delegate,
+      public gin::Wrappable<PushNotifications>,
+      public gin_helper::EventEmitterMixin<PushNotifications>,
+      public BrowserObserver {
+ public:
+  static PushNotifications* Get();
+  static gin::Handle<PushNotifications> Create(v8::Isolate* isolate);
+
+  // gin::Wrappable
+  static gin::WrapperInfo kWrapperInfo;
+  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate* isolate) override;
+  const char* GetTypeName() override;
+
+  // disable copy
+  PushNotifications(const PushNotifications&) = delete;
+  PushNotifications& operator=(const PushNotifications&) = delete;
+
+#if BUILDFLAG(IS_MAC)
+  void OnDidReceiveAPNSNotification(const base::DictionaryValue& user_info);
+  void ResolveAPNSPromiseSetWithToken(const std::string& token_string);
+  void RejectAPNSPromiseSetWithError(const std::string& error_message);
+#endif
+
+ private:
+  PushNotifications();
+  ~PushNotifications() override;
+  // This set maintains all the promises that should be fulfilled
+  // once macOS registers, or fails to register, for APNS
+  std::vector<gin_helper::Promise<std::string>> apns_promise_set_;
+
+#if BUILDFLAG(IS_MAC)
+  v8::Local<v8::Promise> RegisterForAPNSNotifications(v8::Isolate* isolate);
+  void UnregisterForAPNSNotifications();
+#endif
+};
+
+}  // namespace api
+
+}  // namespace electron
+
+#endif  // ELECTRON_SHELL_BROWSER_API_ELECTRON_API_PUSH_NOTIFICATIONS_H_