| // 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 COMPONENTS_EXO_WAYLAND_WAYLAND_INPUT_DELEGATE_H_ |
| #define COMPONENTS_EXO_WAYLAND_WAYLAND_INPUT_DELEGATE_H_ |
| |
| #include "base/observer_list.h" |
| #include "base/time/time.h" |
| |
| namespace exo { |
| namespace wayland { |
| |
| class WaylandInputDelegate { |
| public: |
| class Observer { |
| public: |
| virtual void OnDelegateDestroying(WaylandInputDelegate* delegate) = 0; |
| virtual void OnSendTimestamp(base::TimeTicks time_stamp) = 0; |
| |
| protected: |
| virtual ~Observer() = default; |
| }; |
| |
| void AddObserver(Observer* observer); |
| |
| void RemoveObserver(Observer* observer); |
| |
| void SendTimestamp(base::TimeTicks time_stamp); |
| |
| protected: |
| WaylandInputDelegate(); |
| virtual ~WaylandInputDelegate(); |
| |
| private: |
| base::ObserverList<Observer>::Unchecked observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WaylandInputDelegate); |
| }; |
| |
| } // namespace wayland |
| } // namespace exo |
| |
| #endif // COMPONENTS_EXO_WAYLAND_WAYLAND_INPUT_DELEGATE_H_ |