chromeos: adds TouchDeviceServer and wires up in mushrome

services/ui/input_devices/touch_device_server.h

+// 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 SERVICES_UI_INPUT_DEVICES_TOUCH_DEVICE_SERVER_H_
+#define SERVICES_UI_INPUT_DEVICES_TOUCH_DEVICE_SERVER_H_
+
+#include "base/macros.h"
+#include "mojo/public/cpp/bindings/binding_set.h"
+#include "mojo/public/cpp/bindings/interface_ptr_set.h"
+#include "services/ui/public/interfaces/input_devices/touch_device_server.mojom.h"
+
+namespace display {
+class DefaultTouchTransformSetter;
+}
+
+namespace service_manager {
+class BinderRegistry;
+struct BindSourceInfo;
+}
+
+namespace ui {
+
+// Implementation of mojom::TouchDeviceServer. Uses an instance of
+// DefaultTouchTransformSetter to apply the actual updates.
+class TouchDeviceServer : public mojom::TouchDeviceServer {
+ public:
+  TouchDeviceServer();
+  ~TouchDeviceServer() override;
+
+  // Adds interface with the connection registry so remote observers can
+  // connect.
+  void AddInterface(service_manager::BinderRegistry* registry);
+
+  // mojom::TouchDeviceServer:
+  void ConfigureTouchDevices(
+      const std::unordered_map<int32_t, double>& transport_scales,
+      const std::vector<display::TouchDeviceTransform>& transforms) override;
+
+ private:
+  void BindTouchDeviceServerRequest(
+      const service_manager::BindSourceInfo& source_info,
+      mojom::TouchDeviceServerRequest request);
+
+  mojo::BindingSet<mojom::TouchDeviceServer> bindings_;
+  std::unique_ptr<display::DefaultTouchTransformSetter> touch_transform_setter_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchDeviceServer);
+};
+
+}  // namespace ui
+
+#endif  // SERVICES_UI_INPUT_DEVICES_TOUCH_DEVICE_SERVER_H_