ozone: evdev: Add gamepad support

services/ui/input_devices/input_device_server.cc

 // 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.
 
 #include "services/ui/input_devices/input_device_server.h"
 
 #include <utility>
 #include <vector>
 
 #include "services/service_manager/public/cpp/interface_registry.h"
@@ skipping 70 matching lines @@
 void InputDeviceServer::OnTouchpadDeviceConfigurationChanged() {
   if (!manager_->AreDeviceListsComplete())
     return;
 
   auto& devices = manager_->GetTouchpadDevices();
   observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) {
     observer->OnTouchpadDeviceConfigurationChanged(devices);
   });
 }
 
+void InputDeviceServer::OnGamepadDeviceConfigurationChanged() {
+  if (!manager_->AreDeviceListsComplete())
+    return;
+
+  auto& devices = manager_->GetGamepadDevices();
+  observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) {
+    observer->OnGamepadDeviceConfigurationChanged(devices);
+  });
+}
+
 void InputDeviceServer::OnDeviceListsComplete() {
   observers_.ForAllPtrs([this](mojom::InputDeviceObserverMojo* observer) {
     SendDeviceListsComplete(observer);
   });
 }
 
 void InputDeviceServer::OnStylusStateChanged(StylusState state) {
   observers_.ForAllPtrs([state](mojom::InputDeviceObserverMojo* observer) {
     observer->OnStylusStateChanged(state);
   });
 }
 
 void InputDeviceServer::SendDeviceListsComplete(
     mojom::InputDeviceObserverMojo* observer) {
   DCHECK(manager_->AreDeviceListsComplete());
 
   observer->OnDeviceListsComplete(
       manager_->GetKeyboardDevices(), manager_->GetTouchscreenDevices(),
-      manager_->GetMouseDevices(), manager_->GetTouchpadDevices());
+      manager_->GetMouseDevices(), manager_->GetTouchpadDevices(),
+      manager_->GetGamepadDevices());
 }
 
 void InputDeviceServer::Create(const service_manager::Identity& remote_identity,
                                mojom::InputDeviceServerRequest request) {
   bindings_.AddBinding(this, std::move(request));
 }
 
 }  // namespace ui