| // Copyright 2017 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 UI_VIEWS_WINDOW_DIALOG_DIALOG_OBSERVER_H_ |
| #define UI_VIEWS_WINDOW_DIALOG_DIALOG_OBSERVER_H_ |
| |
| #include "ui/views/views_export.h" |
| |
| namespace views { |
| |
| // Allows properties on a ui::DialogModel to be observed. |
| class VIEWS_EXPORT DialogObserver { |
| public: |
| // Invoked when a dialog signals a model change. E.g., the enabled buttons, or |
| // the button titles. |
| virtual void OnDialogModelChanged() = 0; |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_WINDOW_DIALOG_DIALOG_OBSERVER_H_ |