| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_OBSERVER_H_ |
| #define ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_OBSERVER_H_ |
| |
| #include "base/component_export.h" |
| #include "base/observer_list_types.h" |
| |
| namespace chromeos { |
| namespace assistant { |
| namespace mojom { |
| class AssistantNotification; |
| } // namespace mojom |
| } // namespace assistant |
| } // namespace chromeos |
| |
| namespace ash { |
| |
| // A checked observer which receives notification of changes to the Assistant |
| // notification model. |
| class COMPONENT_EXPORT(ASSISTANT_MODEL) AssistantNotificationModelObserver |
| : public base::CheckedObserver { |
| public: |
| using AssistantNotification = |
| chromeos::assistant::mojom::AssistantNotification; |
| |
| // Invoked when the specified |notification| has been added. |
| virtual void OnNotificationAdded(const AssistantNotification* notification) {} |
| |
| // Invoked when the specified |notification| has been updated. |
| virtual void OnNotificationUpdated( |
| const AssistantNotification* notification) {} |
| |
| // Invoked when the specified |notification| has been removed. If |
| // |from_server| is true the request to remove was initiated by the server. |
| virtual void OnNotificationRemoved(const AssistantNotification* notification, |
| bool from_server) {} |
| |
| // Invoked when all notifications have been removed. If |from_server| is true |
| // the request to remove was initiated by the server. |
| virtual void OnAllNotificationsRemoved(bool from_server) {} |
| |
| protected: |
| ~AssistantNotificationModelObserver() override = default; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_ASSISTANT_MODEL_ASSISTANT_NOTIFICATION_MODEL_OBSERVER_H_ |