| // 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 UI_AURA_MUS_GESTURE_SYNCHRONIZER_H_ |
| #define UI_AURA_MUS_GESTURE_SYNCHRONIZER_H_ |
| |
| #include "base/macros.h" |
| #include "ui/events/gestures/gesture_recognizer_observer.h" |
| |
| namespace ws { |
| namespace mojom { |
| |
| class WindowTree; |
| |
| } // namespace mojom |
| } // namespace ws |
| |
| namespace aura { |
| |
| // GestureSynchronizer is responsible for keeping GestureRecognizer's state |
| // synchronized between aura and the mus server. |
| class GestureSynchronizer : public ui::GestureRecognizerObserver { |
| public: |
| explicit GestureSynchronizer(ws::mojom::WindowTree* window_tree); |
| ~GestureSynchronizer() override; |
| |
| private: |
| // ui::GestureRecognizerObserver: |
| void OnActiveTouchesCanceledExcept( |
| ui::GestureConsumer* not_cancelled) override; |
| void OnEventsTransferred( |
| ui::GestureConsumer* current_consumer, |
| ui::GestureConsumer* new_consumer, |
| ui::TransferTouchesBehavior transfer_touches_behavior) override; |
| void OnActiveTouchesCanceled(ui::GestureConsumer* consumer) override; |
| |
| ws::mojom::WindowTree* window_tree_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GestureSynchronizer); |
| }; |
| |
| } // namespace aura |
| |
| #endif // UI_AURA_MUS_GESTURE_SYNCHRONIZER_H_ |