| // Copyright 2017 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_EVENT_INJECTOR_H_ |
| #define UI_AURA_EVENT_INJECTOR_H_ |
| |
| #include "base/callback.h" |
| #include "services/ws/public/mojom/event_injector.mojom.h" |
| #include "ui/aura/aura_export.h" |
| |
| namespace ui { |
| class Event; |
| struct EventDispatchDetails; |
| } |
| |
| namespace aura { |
| |
| class WindowTreeHost; |
| |
| // Used to inject events into the system. In LOCAL mode, it directly injects |
| // events into the WindowTreeHost, but in MUS mode, it injects events into the |
| // window-server (over the mojom API). |
| class AURA_EXPORT EventInjector { |
| public: |
| EventInjector(); |
| ~EventInjector(); |
| |
| // Inject |event| to |host|. |callback| is optional that gets invoked after |
| // the event is processed by |host|. In LOCAL mode, |callback| is invoked |
| // synchronously. In MUS mode, it is invoked after a response is received |
| // from window-server (via mojo). |
| ui::EventDispatchDetails Inject( |
| WindowTreeHost* host, |
| ui::Event* event, |
| base::OnceClosure callback = base::OnceClosure()); |
| |
| private: |
| ws::mojom::EventInjectorPtr event_injector_; |
| bool has_pending_callback_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(EventInjector); |
| }; |
| |
| } // namespace aura |
| |
| #endif // UI_AURA_EVENT_INJECTOR_H_ |