ozone: evdev: Add gamepad support

services/ui/public/cpp/input_devices/input_device_client.cc

Index: services/ui/public/cpp/input_devices/input_device_client.cc
diff --git a/services/ui/public/cpp/input_devices/input_device_client.cc b/services/ui/public/cpp/input_devices/input_device_client.cc
index 07593c1ded8fb0baad2d0b3b6e9276c410fb9299..f5aab95eacf9821de21229e84b77619a30b3c98a 100644
--- a/services/ui/public/cpp/input_devices/input_device_client.cc
+++ b/services/ui/public/cpp/input_devices/input_device_client.cc
@@ -39,6 +39,11 @@ const std::vector<ui::InputDevice>& InputDeviceClient::GetTouchpadDevices()
   return touchpad_devices_;
 }
 
+const std::vector<ui::InputDevice>& InputDeviceClient::GetGamepadDevices()
+    const {
+  return gamepad_devices_;
+}
+
 bool InputDeviceClient::AreDeviceListsComplete() const {
   return device_lists_complete_;
 }
@@ -95,11 +100,19 @@ void InputDeviceClient::OnTouchpadDeviceConfigurationChanged(
     observer.OnTouchpadDeviceConfigurationChanged();
 }
 
+void InputDeviceClient::OnGamepadDeviceConfigurationChanged(
+    const std::vector<ui::InputDevice>& devices) {
+  gamepad_devices_ = devices;
+  for (auto& observer : observers_)
+    observer.OnGamepadDeviceConfigurationChanged();
+}
+
 void InputDeviceClient::OnDeviceListsComplete(
     const std::vector<ui::InputDevice>& keyboard_devices,
     const std::vector<ui::TouchscreenDevice>& touchscreen_devices,
     const std::vector<ui::InputDevice>& mouse_devices,
-    const std::vector<ui::InputDevice>& touchpad_devices) {
+    const std::vector<ui::InputDevice>& touchpad_devices,
+    const std::vector<ui::InputDevice>& gamepad_devices) {
   // Update the cached device lists if the received list isn't empty.
   if (!keyboard_devices.empty())
     OnKeyboardDeviceConfigurationChanged(keyboard_devices);
@@ -109,6 +122,8 @@ void InputDeviceClient::OnDeviceListsComplete(
     OnMouseDeviceConfigurationChanged(mouse_devices);
   if (!touchpad_devices.empty())
     OnTouchpadDeviceConfigurationChanged(touchpad_devices);
+  if (!gamepad_devices_.empty())
+    OnGamepadDeviceConfigurationChanged(gamepad_devices_);
 
   if (!device_lists_complete_) {
     device_lists_complete_ = true;