| // Copyright 2016 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_KEYBOARD_KEYBOARD_UI_H_ |
| #define ASH_KEYBOARD_KEYBOARD_UI_H_ |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| |
| namespace display { |
| class Display; |
| } |
| |
| namespace ash { |
| |
| class KeyboardUIObserver; |
| |
| // KeyboardUI wraps the appropriate keyboard ui depending upon whether ash is |
| // running in mus or non-mus. |
| class ASH_EXPORT KeyboardUI { |
| public: |
| virtual ~KeyboardUI(); |
| |
| static std::unique_ptr<KeyboardUI> Create(); |
| |
| virtual void ShowInDisplay(const display::Display& display) = 0; |
| virtual void Hide() = 0; |
| |
| // Returns true if the keyboard is enabled. |
| virtual bool IsEnabled() = 0; |
| |
| void AddObserver(KeyboardUIObserver* observer); |
| void RemoveObserver(KeyboardUIObserver* observer); |
| |
| // Applist also queries this for bounds. If app list remains in ash then |
| // we need to plumb bounds through here too. |
| |
| protected: |
| KeyboardUI(); |
| |
| base::ObserverList<KeyboardUIObserver>* observers() { return &observers_; } |
| |
| private: |
| base::ObserverList<KeyboardUIObserver> observers_; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_KEYBOARD_KEYBOARD_UI_H_ |