| // 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. |
| |
| #include "ui/aura/event_injector.h" |
| |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "services/ui/public/interfaces/constants.mojom.h" |
| #include "ui/aura/env.h" |
| #include "ui/aura/mus/window_tree_client.h" |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/events/event.h" |
| #include "ui/events/event_sink.h" |
| |
| namespace { |
| std::unique_ptr<ui::Event> MapEvent(const ui::Event& event) { |
| if (event.IsScrollEvent()) { |
| return std::make_unique<ui::PointerEvent>( |
| ui::MouseWheelEvent(*event.AsScrollEvent())); |
| } |
| |
| if (event.IsMouseEvent()) |
| return std::make_unique<ui::PointerEvent>(*event.AsMouseEvent()); |
| |
| if (event.IsTouchEvent()) |
| return std::make_unique<ui::PointerEvent>(*event.AsTouchEvent()); |
| |
| return ui::Event::Clone(event); |
| } |
| |
| } // namespace |
| |
| namespace aura { |
| |
| EventInjector::EventInjector() {} |
| |
| EventInjector::~EventInjector() {} |
| |
| ui::EventDispatchDetails EventInjector::Inject(WindowTreeHost* host, |
| ui::Event* event) { |
| Env* env = Env::GetInstance(); |
| DCHECK(env); |
| DCHECK(host); |
| DCHECK(event); |
| |
| if (env->mode() == Env::Mode::LOCAL) |
| return host->event_sink()->OnEventFromSource(event); |
| |
| if (event->IsLocatedEvent()) { |
| // The ui-service expects events coming in to have a location matching the |
| // root location. The non-ui-service code does this by way of |
| // OnEventFromSource() ending up in LocatedEvent::UpdateForRootTransform(), |
| // which reset the root_location to match the location. |
| event->AsLocatedEvent()->set_root_location_f( |
| event->AsLocatedEvent()->location_f()); |
| } |
| |
| if (!remote_event_dispatcher_) { |
| env->window_tree_client_->connector()->BindInterface( |
| ui::mojom::kServiceName, &remote_event_dispatcher_); |
| } |
| remote_event_dispatcher_->DispatchEvent( |
| host->GetDisplayId(), MapEvent(*event), |
| base::BindOnce([](bool result) { DCHECK(result); })); |
| return ui::EventDispatchDetails(); |
| } |
| |
| } // namespace aura |