Mozart: Implement basic input event dispatch with hit testing.

services/ui/input_manager/input_connection_impl.h

+// 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 SERVICES_UI_INPUT_MANAGER_INPUT_CONNECTION_IMPL_H_
+#define SERVICES_UI_INPUT_MANAGER_INPUT_CONNECTION_IMPL_H_
+
+#include "base/macros.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/services/ui/input/interfaces/input_connection.mojom.h"
+#include "mojo/services/ui/views/interfaces/views.mojom.h"
+
+namespace input_manager {
+
+class InputAssociate;
+
+// InputConnection implementation.
+// Binds incoming requests to the relevant view token.
+class InputConnectionImpl : public mojo::ui::InputConnection {
+ public:
+  InputConnectionImpl(
+      InputAssociate* associate,
+      mojo::ui::ViewTokenPtr view_token,
+      mojo::InterfaceRequest<mojo::ui::InputConnection> request);
+  ~InputConnectionImpl() override;
+
+  const mojo::ui::ViewToken* view_token() const { return view_token_.get(); }
+
+  // Delivers an event to a view.
+  void DeliverEvent(mojo::EventPtr event);
+
+  // |mojo::ui::InputConnection|
+  void SetListener(
+      mojo::InterfaceHandle<mojo::ui::InputListener> listener) override;
+
+ private:
+  void OnEventFinished(bool handled);
+
+  InputAssociate* const associate_;
+  mojo::ui::ViewTokenPtr view_token_;
+  mojo::ui::InputListenerPtr listener_;
+
+  mojo::Binding<mojo::ui::InputConnection> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(InputConnectionImpl);
+};
+
+}  // namespace input_manager
+
+#endif  // SERVICES_UI_INPUT_MANAGER_INPUT_CONNECTION_IMPL_H_