| // 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_IME_MODE_INDICATOR_OBSERVER_H_ |
| #define ASH_IME_MODE_INDICATOR_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "ui/views/widget/widget_observer.h" |
| |
| namespace ash { |
| |
| // The observer for the mode indicator widget so that the widget can be |
| // closed immediately when a new mode indicator view tries to show before |
| // the fade out animation completes. |
| class ModeIndicatorObserver : public views::WidgetObserver { |
| public: |
| ModeIndicatorObserver(); |
| ~ModeIndicatorObserver() override; |
| |
| void AddModeIndicatorWidget(views::Widget* widget); |
| |
| // Exposes the active widget for testability. |
| views::Widget* active_widget() const { return active_widget_; } |
| |
| // views::WidgetObserver override: |
| void OnWidgetDestroying(views::Widget* widget) override; |
| |
| private: |
| views::Widget* active_widget_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ModeIndicatorObserver); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_IME_MODE_INDICATOR_OBSERVER_H_ |