refactor: rename the atom directory to shell

shell/browser/notifications/notification_presenter.h

@@ -0,0 +1,48 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_NOTIFICATIONS_NOTIFICATION_PRESENTER_H_
+#define ATOM_BROWSER_NOTIFICATIONS_NOTIFICATION_PRESENTER_H_
+
+#include <set>
+#include <string>
+
+#include "base/memory/weak_ptr.h"
+
+namespace atom {
+
+class Notification;
+class NotificationDelegate;
+
+class NotificationPresenter {
+ public:
+  static NotificationPresenter* Create();
+
+  virtual ~NotificationPresenter();
+
+  base::WeakPtr<Notification> CreateNotification(
+      NotificationDelegate* delegate,
+      const std::string& notification_id);
+  void CloseNotificationWithId(const std::string& notification_id);
+
+  std::set<Notification*> notifications() const { return notifications_; }
+
+ protected:
+  NotificationPresenter();
+  virtual Notification* CreateNotificationObject(
+      NotificationDelegate* delegate) = 0;
+
+ private:
+  friend class Notification;
+
+  void RemoveNotification(Notification* notification);
+
+  std::set<Notification*> notifications_;
+
+  DISALLOW_COPY_AND_ASSIGN(NotificationPresenter);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_NOTIFICATIONS_NOTIFICATION_PRESENTER_H_