mode_indicator_observer.h 1.1 KB

1234567891011121314151617181920212223242526272829303132333435363738
  1. // Copyright 2018 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef ASH_IME_MODE_INDICATOR_OBSERVER_H_
  5. #define ASH_IME_MODE_INDICATOR_OBSERVER_H_
  6. #include "ui/views/widget/widget_observer.h"
  7. namespace ash {
  8. // The observer for the mode indicator widget so that the widget can be
  9. // closed immediately when a new mode indicator view tries to show before
  10. // the fade out animation completes.
  11. class ModeIndicatorObserver : public views::WidgetObserver {
  12. public:
  13. ModeIndicatorObserver();
  14. ModeIndicatorObserver(const ModeIndicatorObserver&) = delete;
  15. ModeIndicatorObserver& operator=(const ModeIndicatorObserver&) = delete;
  16. ~ModeIndicatorObserver() override;
  17. void AddModeIndicatorWidget(views::Widget* widget);
  18. // Exposes the active widget for testability.
  19. views::Widget* active_widget() const { return active_widget_; }
  20. // views::WidgetObserver override:
  21. void OnWidgetDestroying(views::Widget* widget) override;
  22. private:
  23. views::Widget* active_widget_;
  24. };
  25. } // namespace ash
  26. #endif // ASH_IME_MODE_INDICATOR_OBSERVER_H_