17 files changed, 1868 insertions, 0 deletions

diff --git a/xbmc/games/ports/input/CMakeLists.txt b/xbmc/games/ports/input/CMakeLists.txt
new file mode 100644
index 0000000..5b2b27f
--- /dev/null
+++ b/xbmc/games/ports/input/CMakeLists.txt
@@ -0,0 +1,11 @@
+set(SOURCES PhysicalPort.cpp
+            PortInput.cpp
+            PortManager.cpp
+)
+
+set(HEADERS PhysicalPort.h
+            PortInput.h
+            PortManager.h
+)
+
+core_add_library(games_ports_input)
diff --git a/xbmc/games/ports/input/PhysicalPort.cpp b/xbmc/games/ports/input/PhysicalPort.cpp
new file mode 100644
index 0000000..9c53c76
--- /dev/null
+++ b/xbmc/games/ports/input/PhysicalPort.cpp
@@ -0,0 +1,66 @@
+/*
+ *  Copyright (C) 2017-2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PhysicalPort.h"
+
+#include "games/controllers/ControllerDefinitions.h"
+#include "utils/XMLUtils.h"
+#include "utils/log.h"
+
+#include <algorithm>
+#include <utility>
+
+using namespace KODI;
+using namespace GAME;
+
+CPhysicalPort::CPhysicalPort(std::string portId, std::vector<std::string> accepts)
+  : m_portId(std::move(portId)), m_accepts(std::move(accepts))
+{
+}
+
+void CPhysicalPort::Reset()
+{
+  CPhysicalPort defaultPort;
+  *this = std::move(defaultPort);
+}
+
+bool CPhysicalPort::IsCompatible(const std::string& controllerId) const
+{
+  return std::find(m_accepts.begin(), m_accepts.end(), controllerId) != m_accepts.end();
+}
+
+bool CPhysicalPort::Deserialize(const TiXmlElement* pElement)
+{
+  if (pElement == nullptr)
+    return false;
+
+  Reset();
+
+  m_portId = XMLUtils::GetAttribute(pElement, LAYOUT_XML_ATTR_PORT_ID);
+
+  for (const TiXmlElement* pChild = pElement->FirstChildElement(); pChild != nullptr;
+       pChild = pChild->NextSiblingElement())
+  {
+    if (pChild->ValueStr() == LAYOUT_XML_ELM_ACCEPTS)
+    {
+      std::string controller = XMLUtils::GetAttribute(pChild, LAYOUT_XML_ATTR_CONTROLLER);
+
+      if (!controller.empty())
+        m_accepts.emplace_back(std::move(controller));
+      else
+        CLog::Log(LOGWARNING, "<{}> tag is missing \"{}\" attribute", LAYOUT_XML_ELM_ACCEPTS,
+                  LAYOUT_XML_ATTR_CONTROLLER);
+    }
+    else
+    {
+      CLog::Log(LOGDEBUG, "Unknown physical topology port tag: <{}>", pChild->ValueStr());
+    }
+  }
+
+  return true;
+}
diff --git a/xbmc/games/ports/input/PhysicalPort.h b/xbmc/games/ports/input/PhysicalPort.h
new file mode 100644
index 0000000..83fe3a5
--- /dev/null
+++ b/xbmc/games/ports/input/PhysicalPort.h
@@ -0,0 +1,64 @@
+/*
+ *  Copyright (C) 2017-2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+class TiXmlElement;
+
+namespace KODI
+{
+namespace GAME
+{
+
+class CPhysicalPort
+{
+public:
+  CPhysicalPort() = default;
+
+  /*!
+   * \brief Create a controller port
+   *
+   * \param portId The port's ID
+   * \param accepts A list of controller IDs that this port accepts
+   */
+  CPhysicalPort(std::string portId, std::vector<std::string> accepts);
+
+  void Reset();
+
+  /*!
+   * \brief Get the ID of the port
+   *
+   * \return The port's ID, e.g. "1", as a string
+   */
+  const std::string& ID() const { return m_portId; }
+
+  /*!
+   * \brief Get the controllers that can connect to this port
+   *
+   * \return A list of controllers that are physically compatible with this port
+   */
+  const std::vector<std::string>& Accepts() const { return m_accepts; }
+
+  /*!
+   * \brief Check if the controller is compatible with this port
+   *
+   * \return True if the controller is accepted, false otherwise
+   */
+  bool IsCompatible(const std::string& controllerId) const;
+
+  bool Deserialize(const TiXmlElement* pElement);
+
+private:
+  std::string m_portId;
+  std::vector<std::string> m_accepts;
+};
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/input/PortInput.cpp b/xbmc/games/ports/input/PortInput.cpp
new file mode 100644
index 0000000..af1652b
--- /dev/null
+++ b/xbmc/games/ports/input/PortInput.cpp
@@ -0,0 +1,129 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PortInput.h"
+
+#include "games/addons/GameClient.h"
+#include "games/controllers/input/InputSink.h"
+#include "guilib/WindowIDs.h"
+#include "input/joysticks/keymaps/KeymapHandling.h"
+#include "peripherals/devices/Peripheral.h"
+
+using namespace KODI;
+using namespace GAME;
+
+CPortInput::CPortInput(JOYSTICK::IInputHandler* gameInput)
+  : m_gameInput(gameInput), m_inputSink(new CInputSink(gameInput))
+{
+}
+
+CPortInput::~CPortInput() = default;
+
+void CPortInput::RegisterInput(JOYSTICK::IInputProvider* provider)
+{
+  // Give input sink the lowest priority by registering it before the other
+  // input handlers
+  provider->RegisterInputHandler(m_inputSink.get(), false);
+
+  // Register input handler
+  provider->RegisterInputHandler(this, false);
+
+  // Register GUI input
+  m_appInput.reset(new JOYSTICK::CKeymapHandling(provider, false, this));
+}
+
+void CPortInput::UnregisterInput(JOYSTICK::IInputProvider* provider)
+{
+  // Unregister in reverse order
+  if (provider == nullptr && m_appInput)
+    m_appInput->UnregisterInputProvider();
+  m_appInput.reset();
+
+  if (provider != nullptr)
+  {
+    provider->UnregisterInputHandler(this);
+    provider->UnregisterInputHandler(m_inputSink.get());
+  }
+}
+
+std::string CPortInput::ControllerID() const
+{
+  return m_gameInput->ControllerID();
+}
+
+bool CPortInput::AcceptsInput(const std::string& feature) const
+{
+  return m_gameInput->AcceptsInput(feature);
+}
+
+bool CPortInput::OnButtonPress(const std::string& feature, bool bPressed)
+{
+  if (bPressed && !m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnButtonPress(feature, bPressed);
+}
+
+void CPortInput::OnButtonHold(const std::string& feature, unsigned int holdTimeMs)
+{
+  m_gameInput->OnButtonHold(feature, holdTimeMs);
+}
+
+bool CPortInput::OnButtonMotion(const std::string& feature,
+                                float magnitude,
+                                unsigned int motionTimeMs)
+{
+  if (magnitude > 0.0f && !m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnButtonMotion(feature, magnitude, motionTimeMs);
+}
+
+bool CPortInput::OnAnalogStickMotion(const std::string& feature,
+                                     float x,
+                                     float y,
+                                     unsigned int motionTimeMs)
+{
+  if ((x != 0.0f || y != 0.0f) && !m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnAnalogStickMotion(feature, x, y, motionTimeMs);
+}
+
+bool CPortInput::OnAccelerometerMotion(const std::string& feature, float x, float y, float z)
+{
+  if (!m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnAccelerometerMotion(feature, x, y, z);
+}
+
+bool CPortInput::OnWheelMotion(const std::string& feature,
+                               float position,
+                               unsigned int motionTimeMs)
+{
+  if ((position != 0.0f) && !m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnWheelMotion(feature, position, motionTimeMs);
+}
+
+bool CPortInput::OnThrottleMotion(const std::string& feature,
+                                  float position,
+                                  unsigned int motionTimeMs)
+{
+  if ((position != 0.0f) && !m_gameInput->AcceptsInput(feature))
+    return false;
+
+  return m_gameInput->OnThrottleMotion(feature, position, motionTimeMs);
+}
+
+int CPortInput::GetWindowID() const
+{
+  return WINDOW_FULLSCREEN_GAME;
+}
diff --git a/xbmc/games/ports/input/PortInput.h b/xbmc/games/ports/input/PortInput.h
new file mode 100644
index 0000000..d3c6524
--- /dev/null
+++ b/xbmc/games/ports/input/PortInput.h
@@ -0,0 +1,77 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "input/KeymapEnvironment.h"
+#include "input/joysticks/interfaces/IInputHandler.h"
+
+#include <memory>
+
+namespace KODI
+{
+namespace JOYSTICK
+{
+class CKeymapHandling;
+class IInputProvider;
+} // namespace JOYSTICK
+
+namespace GAME
+{
+class CPortInput : public JOYSTICK::IInputHandler, public IKeymapEnvironment
+{
+public:
+  CPortInput(JOYSTICK::IInputHandler* gameInput);
+  ~CPortInput() override;
+
+  void RegisterInput(JOYSTICK::IInputProvider* provider);
+  void UnregisterInput(JOYSTICK::IInputProvider* provider);
+
+  JOYSTICK::IInputHandler* InputHandler() { return m_gameInput; }
+
+  // Implementation of IInputHandler
+  std::string ControllerID() const override;
+  bool HasFeature(const std::string& feature) const override { return true; }
+  bool AcceptsInput(const std::string& feature) const override;
+  bool OnButtonPress(const std::string& feature, bool bPressed) override;
+  void OnButtonHold(const std::string& feature, unsigned int holdTimeMs) override;
+  bool OnButtonMotion(const std::string& feature,
+                      float magnitude,
+                      unsigned int motionTimeMs) override;
+  bool OnAnalogStickMotion(const std::string& feature,
+                           float x,
+                           float y,
+                           unsigned int motionTimeMs) override;
+  bool OnAccelerometerMotion(const std::string& feature, float x, float y, float z) override;
+  bool OnWheelMotion(const std::string& feature,
+                     float position,
+                     unsigned int motionTimeMs) override;
+  bool OnThrottleMotion(const std::string& feature,
+                        float position,
+                        unsigned int motionTimeMs) override;
+  void OnInputFrame() override {}
+
+  // Implementation of IKeymapEnvironment
+  int GetWindowID() const override;
+  void SetWindowID(int windowId) override {}
+  int GetFallthrough(int windowId) const override { return -1; }
+  bool UseGlobalFallthrough() const override { return false; }
+  bool UseEasterEgg() const override { return false; }
+
+private:
+  // Construction parameters
+  JOYSTICK::IInputHandler* const m_gameInput;
+
+  // Handles input to Kodi
+  std::unique_ptr<JOYSTICK::CKeymapHandling> m_appInput;
+
+  // Prevents input falling through to Kodi when not handled by the game
+  std::unique_ptr<JOYSTICK::IInputHandler> m_inputSink;
+};
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/input/PortManager.cpp b/xbmc/games/ports/input/PortManager.cpp
new file mode 100644
index 0000000..a04177a
--- /dev/null
+++ b/xbmc/games/ports/input/PortManager.cpp
@@ -0,0 +1,347 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PortManager.h"
+
+#include "URL.h"
+#include "games/controllers/Controller.h"
+#include "games/controllers/types/ControllerHub.h"
+#include "games/controllers/types/ControllerNode.h"
+#include "games/ports/types/PortNode.h"
+#include "utils/FileUtils.h"
+#include "utils/URIUtils.h"
+#include "utils/XBMCTinyXML.h"
+#include "utils/XMLUtils.h"
+#include "utils/log.h"
+
+#include <algorithm>
+
+using namespace KODI;
+using namespace GAME;
+
+namespace
+{
+constexpr const char* PORT_XML_FILE = "ports.xml";
+constexpr const char* XML_ROOT_PORTS = "ports";
+constexpr const char* XML_ELM_PORT = "port";
+constexpr const char* XML_ELM_CONTROLLER = "controller";
+constexpr const char* XML_ATTR_PORT_ID = "id";
+constexpr const char* XML_ATTR_PORT_ADDRESS = "address";
+constexpr const char* XML_ATTR_PORT_CONNECTED = "connected";
+constexpr const char* XML_ATTR_PORT_CONTROLLER = "controller";
+constexpr const char* XML_ATTR_CONTROLLER_ID = "id";
+} // namespace
+
+CPortManager::CPortManager() = default;
+
+CPortManager::~CPortManager() = default;
+
+void CPortManager::Initialize(const std::string& profilePath)
+{
+  m_xmlPath = URIUtils::AddFileToFolder(profilePath, PORT_XML_FILE);
+}
+
+void CPortManager::Deinitialize()
+{
+  // Wait for save tasks
+  for (std::future<void>& task : m_saveFutures)
+    task.wait();
+  m_saveFutures.clear();
+
+  m_controllerTree.Clear();
+  m_xmlPath.clear();
+}
+
+void CPortManager::SetControllerTree(const CControllerTree& controllerTree)
+{
+  m_controllerTree = controllerTree;
+}
+
+void CPortManager::LoadXML()
+{
+  if (!CFileUtils::Exists(m_xmlPath))
+  {
+    CLog::Log(LOGDEBUG, "Can't load port config, file doesn't exist: {}", m_xmlPath);
+    return;
+  }
+
+  CLog::Log(LOGINFO, "Loading port layout: {}", CURL::GetRedacted(m_xmlPath));
+
+  CXBMCTinyXML xmlDoc;
+  if (!xmlDoc.LoadFile(m_xmlPath))
+  {
+    CLog::Log(LOGDEBUG, "Unable to load file: {} at line {}", xmlDoc.ErrorDesc(),
+              xmlDoc.ErrorRow());
+    return;
+  }
+
+  const TiXmlElement* pRootElement = xmlDoc.RootElement();
+  if (pRootElement == nullptr || pRootElement->NoChildren() ||
+      pRootElement->ValueStr() != XML_ROOT_PORTS)
+  {
+    CLog::Log(LOGERROR, "Can't find root <{}> tag", XML_ROOT_PORTS);
+    return;
+  }
+
+  DeserializePorts(pRootElement, m_controllerTree.GetPorts());
+}
+
+void CPortManager::SaveXMLAsync()
+{
+  PortVec ports = m_controllerTree.GetPorts();
+
+  // Prune any finished save tasks
+  m_saveFutures.erase(std::remove_if(m_saveFutures.begin(), m_saveFutures.end(),
+                                     [](std::future<void>& task) {
+                                       return task.wait_for(std::chrono::seconds(0)) ==
+                                              std::future_status::ready;
+                                     }),
+                      m_saveFutures.end());
+
+  // Save async
+  std::future<void> task = std::async(std::launch::async, [this, ports = std::move(ports)]() {
+    CXBMCTinyXML doc;
+    TiXmlElement node(XML_ROOT_PORTS);
+
+    SerializePorts(node, ports);
+
+    doc.InsertEndChild(node);
+
+    std::lock_guard<std::mutex> lock(m_saveMutex);
+    doc.SaveFile(m_xmlPath);
+  });
+
+  m_saveFutures.emplace_back(std::move(task));
+}
+
+void CPortManager::Clear()
+{
+  m_xmlPath.clear();
+  m_controllerTree.Clear();
+}
+
+void CPortManager::ConnectController(const std::string& portAddress,
+                                     bool connected,
+                                     const std::string& controllerId /* = "" */)
+{
+  ConnectController(portAddress, connected, controllerId, m_controllerTree.GetPorts());
+}
+
+bool CPortManager::ConnectController(const std::string& portAddress,
+                                     bool connected,
+                                     const std::string& controllerId,
+                                     PortVec& ports)
+{
+  for (CPortNode& port : ports)
+  {
+    if (ConnectController(portAddress, connected, controllerId, port))
+      return true;
+  }
+
+  return false;
+}
+
+bool CPortManager::ConnectController(const std::string& portAddress,
+                                     bool connected,
+                                     const std::string& controllerId,
+                                     CPortNode& port)
+{
+  // Base case
+  if (port.GetAddress() == portAddress)
+  {
+    port.SetConnected(connected);
+    if (!controllerId.empty())
+      port.SetActiveController(controllerId);
+    return true;
+  }
+
+  // Check children
+  return ConnectController(portAddress, connected, controllerId, port.GetCompatibleControllers());
+}
+
+bool CPortManager::ConnectController(const std::string& portAddress,
+                                     bool connected,
+                                     const std::string& controllerId,
+                                     ControllerNodeVec& controllers)
+{
+  for (CControllerNode& controller : controllers)
+  {
+    if (ConnectController(portAddress, connected, controllerId, controller))
+      return true;
+  }
+
+  return false;
+}
+
+bool CPortManager::ConnectController(const std::string& portAddress,
+                                     bool connected,
+                                     const std::string& controllerId,
+                                     CControllerNode& controller)
+{
+  for (CPortNode& childPort : controller.GetHub().GetPorts())
+  {
+    if (ConnectController(portAddress, connected, controllerId, childPort))
+      return true;
+  }
+
+  return false;
+}
+
+void CPortManager::DeserializePorts(const TiXmlElement* pElement, PortVec& ports)
+{
+  for (const TiXmlElement* pPort = pElement->FirstChildElement(); pPort != nullptr;
+       pPort = pPort->NextSiblingElement())
+  {
+    if (pPort->ValueStr() != XML_ELM_PORT)
+    {
+      CLog::Log(LOGDEBUG, "Inside <{}> tag: Ignoring <{}> tag", pElement->ValueStr(),
+                pPort->ValueStr());
+      continue;
+    }
+
+    std::string portId = XMLUtils::GetAttribute(pPort, XML_ATTR_PORT_ID);
+
+    auto it = std::find_if(ports.begin(), ports.end(),
+                           [&portId](const CPortNode& port) { return port.GetPortID() == portId; });
+    if (it != ports.end())
+    {
+      CPortNode& port = *it;
+
+      DeserializePort(pPort, port);
+    }
+  }
+}
+
+void CPortManager::DeserializePort(const TiXmlElement* pPort, CPortNode& port)
+{
+  // Connected
+  bool connected = (XMLUtils::GetAttribute(pPort, XML_ATTR_PORT_CONNECTED) == "true");
+  port.SetConnected(connected);
+
+  // Controller
+  const std::string activeControllerId = XMLUtils::GetAttribute(pPort, XML_ATTR_PORT_CONTROLLER);
+  if (!port.SetActiveController(activeControllerId))
+    port.SetConnected(false);
+
+  DeserializeControllers(pPort, port.GetCompatibleControllers());
+}
+
+void CPortManager::DeserializeControllers(const TiXmlElement* pPort, ControllerNodeVec& controllers)
+{
+  for (const TiXmlElement* pController = pPort->FirstChildElement(); pController != nullptr;
+       pController = pController->NextSiblingElement())
+  {
+    if (pController->ValueStr() != XML_ELM_CONTROLLER)
+    {
+      CLog::Log(LOGDEBUG, "Inside <{}> tag: Ignoring <{}> tag", pPort->ValueStr(),
+                pController->ValueStr());
+      continue;
+    }
+
+    std::string controllerId = XMLUtils::GetAttribute(pController, XML_ATTR_CONTROLLER_ID);
+
+    auto it = std::find_if(controllers.begin(), controllers.end(),
+                           [&controllerId](const CControllerNode& controller) {
+                             return controller.GetController()->ID() == controllerId;
+                           });
+    if (it != controllers.end())
+    {
+      CControllerNode& controller = *it;
+
+      DeserializeController(pController, controller);
+    }
+  }
+}
+
+void CPortManager::DeserializeController(const TiXmlElement* pController,
+                                         CControllerNode& controller)
+{
+  // Child ports
+  DeserializePorts(pController, controller.GetHub().GetPorts());
+}
+
+void CPortManager::SerializePorts(TiXmlElement& node, const PortVec& ports)
+{
+  for (const CPortNode& port : ports)
+  {
+    TiXmlElement portNode(XML_ELM_PORT);
+
+    SerializePort(portNode, port);
+
+    node.InsertEndChild(portNode);
+  }
+}
+
+void CPortManager::SerializePort(TiXmlElement& portNode, const CPortNode& port)
+{
+  // Port ID
+  portNode.SetAttribute(XML_ATTR_PORT_ID, port.GetPortID());
+
+  // Port address
+  portNode.SetAttribute(XML_ATTR_PORT_ADDRESS, port.GetAddress());
+
+  // Connected state
+  portNode.SetAttribute(XML_ATTR_PORT_CONNECTED, port.IsConnected() ? "true" : "false");
+
+  // Active controller
+  if (port.GetActiveController().GetController())
+  {
+    const std::string controllerId = port.GetActiveController().GetController()->ID();
+    portNode.SetAttribute(XML_ATTR_PORT_CONTROLLER, controllerId);
+  }
+
+  // All compatible controllers
+  SerializeControllers(portNode, port.GetCompatibleControllers());
+}
+
+void CPortManager::SerializeControllers(TiXmlElement& portNode,
+                                        const ControllerNodeVec& controllers)
+{
+  for (const CControllerNode& controller : controllers)
+  {
+    // Skip controller if it has no state
+    if (!HasState(controller))
+      continue;
+
+    TiXmlElement controllerNode(XML_ELM_CONTROLLER);
+
+    SerializeController(controllerNode, controller);
+
+    portNode.InsertEndChild(controllerNode);
+  }
+}
+
+void CPortManager::SerializeController(TiXmlElement& controllerNode,
+                                       const CControllerNode& controller)
+{
+  // Controller ID
+  if (controller.GetController())
+    controllerNode.SetAttribute(XML_ATTR_CONTROLLER_ID, controller.GetController()->ID());
+
+  // Ports
+  SerializePorts(controllerNode, controller.GetHub().GetPorts());
+}
+
+bool CPortManager::HasState(const CPortNode& port)
+{
+  // Ports have state (is connected / active controller)
+  return true;
+}
+
+bool CPortManager::HasState(const CControllerNode& controller)
+{
+  // Check controller ports
+  for (const CPortNode& port : controller.GetHub().GetPorts())
+  {
+    if (HasState(port))
+      return true;
+  }
+
+  // Controller itself has no state
+  return false;
+}
diff --git a/xbmc/games/ports/input/PortManager.h b/xbmc/games/ports/input/PortManager.h
new file mode 100644
index 0000000..a02ad35
--- /dev/null
+++ b/xbmc/games/ports/input/PortManager.h
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "games/controllers/types/ControllerTree.h"
+
+#include <future>
+#include <mutex>
+#include <string>
+
+class TiXmlElement;
+
+namespace KODI
+{
+namespace GAME
+{
+class CPortManager
+{
+public:
+  CPortManager();
+  ~CPortManager();
+
+  void Initialize(const std::string& profilePath);
+  void Deinitialize();
+
+  void SetControllerTree(const CControllerTree& controllerTree);
+  void LoadXML();
+  void SaveXMLAsync();
+  void Clear();
+
+  void ConnectController(const std::string& portAddress,
+                         bool connected,
+                         const std::string& controllerId = "");
+
+  const CControllerTree& GetControllerTree() const { return m_controllerTree; }
+
+private:
+  static void DeserializePorts(const TiXmlElement* pElement, PortVec& ports);
+  static void DeserializePort(const TiXmlElement* pElement, CPortNode& port);
+  static void DeserializeControllers(const TiXmlElement* pElement, ControllerNodeVec& controllers);
+  static void DeserializeController(const TiXmlElement* pElement, CControllerNode& controller);
+
+  static void SerializePorts(TiXmlElement& node, const PortVec& ports);
+  static void SerializePort(TiXmlElement& portNode, const CPortNode& port);
+  static void SerializeControllers(TiXmlElement& portNode, const ControllerNodeVec& controllers);
+  static void SerializeController(TiXmlElement& controllerNode, const CControllerNode& controller);
+
+  static bool ConnectController(const std::string& portAddress,
+                                bool connected,
+                                const std::string& controllerId,
+                                PortVec& ports);
+  static bool ConnectController(const std::string& portAddress,
+                                bool connected,
+                                const std::string& controllerId,
+                                CPortNode& port);
+  static bool ConnectController(const std::string& portAddress,
+                                bool connected,
+                                const std::string& controllerId,
+                                ControllerNodeVec& controllers);
+  static bool ConnectController(const std::string& portAddress,
+                                bool connected,
+                                const std::string& controllerId,
+                                CControllerNode& controller);
+
+  static bool HasState(const CPortNode& port);
+  static bool HasState(const CControllerNode& controller);
+
+  CControllerTree m_controllerTree;
+  std::string m_xmlPath;
+
+  std::vector<std::future<void>> m_saveFutures;
+  std::mutex m_saveMutex;
+};
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/types/CMakeLists.txt b/xbmc/games/ports/types/CMakeLists.txt
new file mode 100644
index 0000000..735df42
--- /dev/null
+++ b/xbmc/games/ports/types/CMakeLists.txt
@@ -0,0 +1,7 @@
+set(SOURCES PortNode.cpp
+)
+
+set(HEADERS PortNode.h
+)
+
+core_add_library(games_ports_types)
diff --git a/xbmc/games/ports/types/PortNode.cpp b/xbmc/games/ports/types/PortNode.cpp
new file mode 100644
index 0000000..7caf6eb
--- /dev/null
+++ b/xbmc/games/ports/types/PortNode.cpp
@@ -0,0 +1,157 @@
+/*
+ *  Copyright (C) 2017-2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PortNode.h"
+
+#include "games/controllers/Controller.h"
+#include "games/controllers/types/ControllerHub.h"
+#include "games/ports/input/PhysicalPort.h"
+
+#include <algorithm>
+#include <utility>
+
+using namespace KODI;
+using namespace GAME;
+
+CPortNode::~CPortNode() = default;
+
+CPortNode& CPortNode::operator=(const CPortNode& rhs)
+{
+  if (this != &rhs)
+  {
+    m_bConnected = rhs.m_bConnected;
+    m_active = rhs.m_active;
+    m_portType = rhs.m_portType;
+    m_portId = rhs.m_portId;
+    m_address = rhs.m_address;
+    m_forceConnected = rhs.m_forceConnected;
+    m_controllers = rhs.m_controllers;
+  }
+
+  return *this;
+}
+
+CPortNode& CPortNode::operator=(CPortNode&& rhs) noexcept
+{
+  if (this != &rhs)
+  {
+    m_bConnected = rhs.m_bConnected;
+    m_active = rhs.m_active;
+    m_portType = rhs.m_portType;
+    m_portId = std::move(rhs.m_portId);
+    m_address = std::move(rhs.m_address);
+    m_forceConnected = rhs.m_forceConnected;
+    m_controllers = std::move(rhs.m_controllers);
+  }
+
+  return *this;
+}
+
+const CControllerNode& CPortNode::GetActiveController() const
+{
+  if (m_bConnected && m_active < m_controllers.size())
+    return m_controllers[m_active];
+
+  static const CControllerNode invalid{};
+  return invalid;
+}
+
+CControllerNode& CPortNode::GetActiveController()
+{
+  if (m_bConnected && m_active < m_controllers.size())
+    return m_controllers[m_active];
+
+  static CControllerNode invalid;
+  invalid.Clear();
+  return invalid;
+}
+
+bool CPortNode::SetActiveController(const std::string& controllerId)
+{
+  for (size_t i = 0; i < m_controllers.size(); ++i)
+  {
+    const ControllerPtr& controller = m_controllers.at(i).GetController();
+    if (controller && controller->ID() == controllerId)
+    {
+      m_active = i;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void CPortNode::SetPortID(std::string portId)
+{
+  m_portId = std::move(portId);
+}
+
+void CPortNode::SetAddress(std::string address)
+{
+  m_address = std::move(address);
+}
+
+void CPortNode::SetCompatibleControllers(ControllerNodeVec controllers)
+{
+  m_controllers = std::move(controllers);
+}
+
+bool CPortNode::IsControllerAccepted(const std::string& controllerId) const
+{
+  // Base case
+  CPhysicalPort port;
+  GetPort(port);
+  if (port.IsCompatible(controllerId))
+    return true;
+
+  // Visit nodes
+  return std::any_of(m_controllers.begin(), m_controllers.end(),
+                     [controllerId](const CControllerNode& node) {
+                       return node.IsControllerAccepted(controllerId);
+                     });
+}
+
+bool CPortNode::IsControllerAccepted(const std::string& portAddress,
+                                     const std::string& controllerId) const
+{
+  bool bAccepted = false;
+
+  if (m_address == portAddress)
+  {
+    // Base case
+    CPhysicalPort port;
+    GetPort(port);
+    if (port.IsCompatible(controllerId))
+      bAccepted = true;
+  }
+  else
+  {
+    // Visit nodes
+    if (std::any_of(m_controllers.begin(), m_controllers.end(),
+                    [portAddress, controllerId](const CControllerNode& node) {
+                      return node.IsControllerAccepted(portAddress, controllerId);
+                    }))
+    {
+      bAccepted = true;
+    }
+  }
+
+  return bAccepted;
+}
+
+void CPortNode::GetPort(CPhysicalPort& port) const
+{
+  std::vector<std::string> accepts;
+  for (const CControllerNode& node : m_controllers)
+  {
+    if (node.GetController())
+      accepts.emplace_back(node.GetController()->ID());
+  }
+
+  port = CPhysicalPort(m_portId, std::move(accepts));
+}
diff --git a/xbmc/games/ports/types/PortNode.h b/xbmc/games/ports/types/PortNode.h
new file mode 100644
index 0000000..660a7bc
--- /dev/null
+++ b/xbmc/games/ports/types/PortNode.h
@@ -0,0 +1,130 @@
+/*
+ *  Copyright (C) 2017-2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "games/controllers/ControllerTypes.h"
+#include "games/controllers/types/ControllerNode.h"
+
+#include <string>
+#include <vector>
+
+namespace KODI
+{
+namespace GAME
+{
+class CPhysicalPort;
+
+/*!
+ * \brief Collection of nodes that can be connected to this port
+ */
+class CPortNode
+{
+public:
+  CPortNode() = default;
+  CPortNode(const CPortNode& other) { *this = other; }
+  CPortNode(CPortNode&& other) = default;
+  CPortNode& operator=(const CPortNode& rhs);
+  CPortNode& operator=(CPortNode&& rhs) noexcept;
+  ~CPortNode();
+
+  /*!
+   * \brief Connection state of the port
+   *
+   * \return True if a controller is connected, false otherwise
+   */
+  bool IsConnected() const { return m_bConnected; }
+  void SetConnected(bool bConnected) { m_bConnected = bConnected; }
+
+  /*!
+   * \brief The controller that is active on this port
+   *
+   * \return The active controller, or invalid if port is disconnected
+   */
+  const CControllerNode& GetActiveController() const;
+  CControllerNode& GetActiveController();
+  void SetActiveController(unsigned int controllerIndex) { m_active = controllerIndex; }
+  bool SetActiveController(const std::string& controllerId);
+
+  /*!
+   * \brief The port type
+   *
+   * \return The port type, if known
+   */
+  PORT_TYPE GetPortType() const { return m_portType; }
+  void SetPortType(PORT_TYPE type) { m_portType = type; }
+
+  /*!
+   * \brief The hardware or controller port ID
+   *
+   * \return The port ID of the hardware port or controller port, or empty if
+   *         the port is only identified by its type
+   */
+  const std::string& GetPortID() const { return m_portId; }
+  void SetPortID(std::string portId);
+
+  /*!
+   * \brief Address given to the node by the implementation
+   */
+  const std::string& GetAddress() const { return m_address; }
+  void SetAddress(std::string address);
+
+  /*!
+   * \brief If true, prevents a disconnection option from being shown for this
+   * port
+   */
+  bool IsForceConnected() const { return m_forceConnected; }
+  void SetForceConnected(bool forceConnected) { m_forceConnected = forceConnected; }
+
+  /*!
+   * \brief Return the controller profiles that are compatible with this port
+   *
+   * \return The controller profiles, or empty if this port doesn't support
+   *         any controller profiles
+   */
+  const ControllerNodeVec& GetCompatibleControllers() const { return m_controllers; }
+  ControllerNodeVec& GetCompatibleControllers() { return m_controllers; }
+  void SetCompatibleControllers(ControllerNodeVec controllers);
+
+  /*!
+   * \brief Check to see if a controller is compatible with this tree
+   *
+   * \param controllerId The ID of the controller
+   *
+   * \return True if the controller is compatible with the tree, false otherwise
+   */
+  bool IsControllerAccepted(const std::string& controllerId) const;
+
+  /*!
+   * \brief Check to see if a controller is compatible with this tree
+   *
+   * \param portAddress The port address
+   * \param controllerId The ID of the controller
+   *
+   * \return True if the controller is compatible with the tree, false otherwise
+   */
+  bool IsControllerAccepted(const std::string& portAddress, const std::string& controllerId) const;
+
+private:
+  void GetPort(CPhysicalPort& port) const;
+
+  bool m_bConnected = false;
+  unsigned int m_active = 0;
+  PORT_TYPE m_portType = PORT_TYPE::UNKNOWN;
+  std::string m_portId;
+  std::string m_address;
+  bool m_forceConnected{true};
+  ControllerNodeVec m_controllers;
+};
+
+/*!
+ * \brief Collection of port nodes
+ */
+using PortVec = std::vector<CPortNode>;
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/windows/CMakeLists.txt b/xbmc/games/ports/windows/CMakeLists.txt
new file mode 100644
index 0000000..4cf07ea
--- /dev/null
+++ b/xbmc/games/ports/windows/CMakeLists.txt
@@ -0,0 +1,11 @@
+set(SOURCES GUIPortList.cpp
+            GUIPortWindow.cpp
+)
+
+set(HEADERS GUIPortDefines.h
+            GUIPortList.h
+            GUIPortWindow.h
+            IPortList.h
+)
+
+core_add_library(games_ports_windows)
diff --git a/xbmc/games/ports/windows/GUIPortDefines.h b/xbmc/games/ports/windows/GUIPortDefines.h
new file mode 100644
index 0000000..c9c255b
--- /dev/null
+++ b/xbmc/games/ports/windows/GUIPortDefines.h
@@ -0,0 +1,22 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+// Dialog title
+#define CONTROL_PORT_DIALOG_LABEL 2
+
+// GUI control IDs
+#define CONTROL_PORT_LIST 3
+
+// GUI button IDs
+#define CONTROL_CLOSE_BUTTON 18
+#define CONTROL_RESET_BUTTON 19
+
+// Skin XML file
+#define PORT_DIALOG_XML "DialogGameControllers.xml"
diff --git a/xbmc/games/ports/windows/GUIPortList.cpp b/xbmc/games/ports/windows/GUIPortList.cpp
new file mode 100644
index 0000000..a25c94b
--- /dev/null
+++ b/xbmc/games/ports/windows/GUIPortList.cpp
@@ -0,0 +1,344 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "GUIPortList.h"
+
+#include "FileItem.h"
+#include "GUIPortDefines.h"
+#include "GUIPortWindow.h"
+#include "ServiceBroker.h"
+#include "addons/AddonManager.h"
+#include "games/GameServices.h"
+#include "games/addons/GameClient.h"
+#include "games/addons/input/GameClientInput.h"
+#include "games/controllers/Controller.h"
+#include "games/controllers/ControllerLayout.h"
+#include "games/controllers/types/ControllerHub.h"
+#include "games/controllers/types/ControllerTree.h"
+#include "games/ports/types/PortNode.h"
+#include "guilib/GUIMessage.h"
+#include "guilib/GUIWindow.h"
+#include "guilib/LocalizeStrings.h"
+#include "messaging/ApplicationMessenger.h"
+#include "messaging/helpers/DialogOKHelper.h"
+#include "utils/StringUtils.h"
+#include "utils/log.h"
+#include "view/GUIViewControl.h"
+#include "view/ViewState.h"
+
+using namespace KODI;
+using namespace ADDON;
+using namespace GAME;
+
+CGUIPortList::CGUIPortList(CGUIWindow& window)
+  : m_guiWindow(window),
+    m_viewControl(std::make_unique<CGUIViewControl>()),
+    m_vecItems(std::make_unique<CFileItemList>())
+{
+}
+
+CGUIPortList::~CGUIPortList()
+{
+  Deinitialize();
+}
+
+void CGUIPortList::OnWindowLoaded()
+{
+  m_viewControl->Reset();
+  m_viewControl->SetParentWindow(m_guiWindow.GetID());
+  m_viewControl->AddView(m_guiWindow.GetControl(CONTROL_PORT_LIST));
+}
+
+void CGUIPortList::OnWindowUnload()
+{
+  m_viewControl->Reset();
+}
+
+bool CGUIPortList::Initialize(GameClientPtr gameClient)
+{
+  // Validate parameters
+  if (!gameClient)
+    return false;
+
+  // Initialize state
+  m_gameClient = std::move(gameClient);
+  m_viewControl->SetCurrentView(DEFAULT_VIEW_LIST);
+
+  // Initialize GUI
+  Refresh();
+
+  CServiceBroker::GetAddonMgr().Events().Subscribe(this, &CGUIPortList::OnEvent);
+
+  return true;
+}
+
+void CGUIPortList::Deinitialize()
+{
+  CServiceBroker::GetAddonMgr().Events().Unsubscribe(this);
+
+  // Deinitialize GUI
+  CleanupItems();
+
+  // Reset state
+  m_gameClient.reset();
+}
+
+bool CGUIPortList::HasControl(int controlId)
+{
+  return m_viewControl->HasControl(controlId);
+}
+
+int CGUIPortList::GetCurrentControl()
+{
+  return m_viewControl->GetCurrentControl();
+}
+
+void CGUIPortList::Refresh()
+{
+  // Send a synchronous message to clear the view control
+  m_viewControl->Clear();
+
+  CleanupItems();
+
+  if (m_gameClient)
+  {
+    unsigned int itemIndex = 0;
+    for (const CPortNode& port : m_gameClient->Input().GetActiveControllerTree().GetPorts())
+      AddItems(port, itemIndex, GetLabel(port));
+
+    m_viewControl->SetItems(*m_vecItems);
+
+    // Try to restore focus to the previously focused port
+    if (!m_focusedPort.empty() && m_addressToItem.find(m_focusedPort) != m_addressToItem.end())
+    {
+      const unsigned int itemIndex = m_addressToItem[m_focusedPort];
+      m_viewControl->SetSelectedItem(itemIndex);
+      OnItemFocus(itemIndex);
+    }
+  }
+}
+
+void CGUIPortList::FrameMove()
+{
+  const int itemIndex = m_viewControl->GetSelectedItem();
+  if (itemIndex != m_currentItem)
+  {
+    m_currentItem = itemIndex;
+    if (itemIndex >= 0)
+      OnItemFocus(static_cast<unsigned int>(itemIndex));
+  }
+}
+
+void CGUIPortList::SetFocused()
+{
+  m_viewControl->SetFocused();
+}
+
+bool CGUIPortList::OnSelect()
+{
+  const int itemIndex = m_viewControl->GetSelectedItem();
+  if (itemIndex >= 0)
+  {
+    OnItemSelect(static_cast<unsigned int>(itemIndex));
+    return true;
+  }
+
+  return false;
+}
+
+void CGUIPortList::ResetPorts()
+{
+  if (m_gameClient)
+  {
+    // Update the game client
+    m_gameClient->Input().ResetPorts();
+    m_gameClient->Input().SavePorts();
+
+    // Refresh the GUI
+    CGUIMessage msg(GUI_MSG_REFRESH_LIST, m_guiWindow.GetID(), CONTROL_PORT_LIST);
+    CServiceBroker::GetAppMessenger()->SendGUIMessage(msg, m_guiWindow.GetID());
+  }
+}
+
+void CGUIPortList::OnEvent(const ADDON::AddonEvent& event)
+{
+  if (typeid(event) == typeid(ADDON::AddonEvents::Enabled) || // Also called on install
+      typeid(event) == typeid(ADDON::AddonEvents::Disabled) || // Not called on uninstall
+      typeid(event) == typeid(ADDON::AddonEvents::ReInstalled) ||
+      typeid(event) == typeid(ADDON::AddonEvents::UnInstalled))
+  {
+    CGUIMessage msg(GUI_MSG_REFRESH_LIST, m_guiWindow.GetID(), CONTROL_PORT_LIST);
+    msg.SetStringParam(event.addonId);
+    CServiceBroker::GetAppMessenger()->SendGUIMessage(msg, m_guiWindow.GetID());
+  }
+}
+
+bool CGUIPortList::AddItems(const CPortNode& port,
+                            unsigned int& itemId,
+                            const std::string& itemLabel)
+{
+  // Validate parameters
+  if (itemLabel.empty())
+    return false;
+
+  // Record the port address so that we can decode item indexes later
+  m_itemToAddress[itemId] = port.GetAddress();
+  m_addressToItem[port.GetAddress()] = itemId;
+
+  if (port.IsConnected())
+  {
+    const CControllerNode& controllerNode = port.GetActiveController();
+    const ControllerPtr& controller = controllerNode.GetController();
+
+    // Create the list item
+    CFileItemPtr item = std::make_shared<CFileItem>(itemLabel);
+    item->SetLabel2(controller->Layout().Label());
+    item->SetPath(port.GetAddress());
+    item->SetArt("icon", controller->Layout().ImagePath());
+    m_vecItems->Add(std::move(item));
+    ++itemId;
+
+    // Handle items for child ports
+    const PortVec& ports = controllerNode.GetHub().GetPorts();
+    for (const CPortNode& childPort : ports)
+    {
+      std::ostringstream childItemLabel;
+      childItemLabel << " - ";
+      childItemLabel << controller->Layout().Label();
+      childItemLabel << " - ";
+      childItemLabel << GetLabel(childPort);
+
+      if (!AddItems(childPort, itemId, childItemLabel.str()))
+        return false;
+    }
+  }
+  else
+  {
+    // Create the list item
+    CFileItemPtr item = std::make_shared<CFileItem>(itemLabel);
+    item->SetLabel2(g_localizeStrings.Get(13298)); // "Disconnected"
+    item->SetPath(port.GetAddress());
+    item->SetArt("icon", "DefaultAddonNone.png");
+    m_vecItems->Add(std::move(item));
+    ++itemId;
+  }
+
+  return true;
+}
+
+void CGUIPortList::CleanupItems()
+{
+  m_vecItems->Clear();
+  m_itemToAddress.clear();
+  m_addressToItem.clear();
+}
+
+void CGUIPortList::OnItemFocus(unsigned int itemIndex)
+{
+  m_focusedPort = m_itemToAddress[itemIndex];
+}
+
+void CGUIPortList::OnItemSelect(unsigned int itemIndex)
+{
+  if (m_gameClient)
+  {
+    const auto it = m_itemToAddress.find(itemIndex);
+    if (it == m_itemToAddress.end())
+      return;
+
+    const std::string& portAddress = it->second;
+    if (portAddress.empty())
+      return;
+
+    const CPortNode& port = m_gameClient->Input().GetActiveControllerTree().GetPort(portAddress);
+
+    ControllerVector controllers;
+    for (const CControllerNode& controllerNode : port.GetCompatibleControllers())
+      controllers.emplace_back(controllerNode.GetController());
+
+    // Get current controller to give initial focus
+    ControllerPtr controller = port.GetActiveController().GetController();
+
+    auto callback = [this, &port](const ControllerPtr& controller) {
+      OnControllerSelected(port, controller);
+    };
+
+    const bool showDisconnect = !port.IsForceConnected();
+    m_controllerSelectDialog.Initialize(std::move(controllers), std::move(controller),
+                                        showDisconnect, callback);
+  }
+}
+
+void CGUIPortList::OnControllerSelected(const CPortNode& port, const ControllerPtr& controller)
+{
+  if (m_gameClient)
+  {
+    // Translate parameter
+    const bool bConnected = static_cast<bool>(controller);
+
+    // Update the game client
+    const bool bSuccess =
+        bConnected ? m_gameClient->Input().ConnectController(port.GetAddress(), controller)
+                   : m_gameClient->Input().DisconnectController(port.GetAddress());
+
+    if (bSuccess)
+    {
+      m_gameClient->Input().SavePorts();
+    }
+    else
+    {
+      // "Failed to change controller"
+      // "The emulator "%s" had an internal error."
+      MESSAGING::HELPERS::ShowOKDialogText(
+          CVariant{35114},
+          CVariant{StringUtils::Format(g_localizeStrings.Get(35213), m_gameClient->Name())});
+    }
+
+    // Send a GUI message to reload the port list
+    CGUIMessage msg(GUI_MSG_REFRESH_LIST, m_guiWindow.GetID(), CONTROL_PORT_LIST);
+    CServiceBroker::GetAppMessenger()->SendGUIMessage(msg, m_guiWindow.GetID());
+  }
+}
+
+std::string CGUIPortList::GetLabel(const CPortNode& port)
+{
+  const PORT_TYPE portType = port.GetPortType();
+  switch (portType)
+  {
+    case PORT_TYPE::KEYBOARD:
+    {
+      // "Keyboard"
+      return g_localizeStrings.Get(35150);
+    }
+    case PORT_TYPE::MOUSE:
+    {
+      // "Mouse"
+      return g_localizeStrings.Get(35171);
+    }
+    case PORT_TYPE::CONTROLLER:
+    {
+      const std::string& portId = port.GetPortID();
+      if (portId.empty())
+      {
+        CLog::Log(LOGERROR, "Controller port with address \"{}\" doesn't have a port ID",
+                  port.GetAddress());
+      }
+      else
+      {
+        // "Port {0:s}"
+        const std::string& portString = g_localizeStrings.Get(35112);
+        return StringUtils::Format(portString, portId);
+      }
+      break;
+    }
+    default:
+      break;
+  }
+
+  return "";
+}
diff --git a/xbmc/games/ports/windows/GUIPortList.h b/xbmc/games/ports/windows/GUIPortList.h
new file mode 100644
index 0000000..3fed6b7
--- /dev/null
+++ b/xbmc/games/ports/windows/GUIPortList.h
@@ -0,0 +1,79 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "IPortList.h"
+#include "addons/AddonEvents.h"
+#include "games/GameTypes.h"
+#include "games/controllers/ControllerTypes.h"
+#include "games/controllers/dialogs/ControllerSelect.h"
+#include "games/controllers/types/ControllerTree.h"
+
+#include <map>
+#include <memory>
+#include <string>
+
+class CFileItemList;
+class CGUIViewControl;
+class CGUIWindow;
+
+namespace KODI
+{
+namespace GAME
+{
+class CGUIPortList : public IPortList
+{
+public:
+  CGUIPortList(CGUIWindow& window);
+  ~CGUIPortList() override;
+
+  // Implementation of IPortList
+  void OnWindowLoaded() override;
+  void OnWindowUnload() override;
+  bool Initialize(GameClientPtr gameClient) override;
+  void Deinitialize() override;
+  bool HasControl(int controlId) override;
+  int GetCurrentControl() override;
+  void Refresh() override;
+  void FrameMove() override;
+  void SetFocused() override;
+  bool OnSelect() override;
+  void ResetPorts() override;
+
+private:
+  // Add-on API
+  void OnEvent(const ADDON::AddonEvent& event);
+
+  bool AddItems(const CPortNode& port, unsigned int& itemId, const std::string& itemLabel);
+  void CleanupItems();
+  void OnItemFocus(unsigned int itemIndex);
+  void OnItemSelect(unsigned int itemIndex);
+
+  // Controller selection callback
+  void OnControllerSelected(const CPortNode& port, const ControllerPtr& controller);
+
+  static std::string GetLabel(const CPortNode& port);
+
+  // Construction parameters
+  CGUIWindow& m_guiWindow;
+
+  // GUI parameters
+  CControllerSelect m_controllerSelectDialog;
+  std::string m_focusedPort; // Address of focused port
+  int m_currentItem{-1}; // Index of the selected item, or -1 if no item is selected
+  std::unique_ptr<CGUIViewControl> m_viewControl;
+  std::unique_ptr<CFileItemList> m_vecItems;
+
+  // Game parameters
+  GameClientPtr m_gameClient;
+  std::map<unsigned int, std::string> m_itemToAddress; // item index -> port address
+  std::map<std::string, unsigned int> m_addressToItem; // port address -> item index
+};
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/windows/GUIPortWindow.cpp b/xbmc/games/ports/windows/GUIPortWindow.cpp
new file mode 100644
index 0000000..e95927a
--- /dev/null
+++ b/xbmc/games/ports/windows/GUIPortWindow.cpp
@@ -0,0 +1,183 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "GUIPortWindow.h"
+
+#include "GUIPortDefines.h"
+#include "GUIPortList.h"
+#include "ServiceBroker.h"
+#include "addons/AddonManager.h"
+#include "addons/IAddon.h"
+#include "addons/addoninfo/AddonType.h"
+#include "cores/RetroPlayer/guibridge/GUIGameRenderManager.h"
+#include "cores/RetroPlayer/guibridge/GUIGameSettingsHandle.h"
+#include "games/addons/GameClient.h"
+#include "guilib/GUIButtonControl.h"
+#include "guilib/GUIControl.h"
+#include "guilib/GUIMessage.h"
+#include "guilib/WindowIDs.h"
+#include "input/actions/ActionIDs.h"
+#include "utils/StringUtils.h"
+
+using namespace KODI;
+using namespace GAME;
+
+CGUIPortWindow::CGUIPortWindow()
+  : CGUIDialog(WINDOW_DIALOG_GAME_PORTS, PORT_DIALOG_XML),
+    m_portList(std::make_unique<CGUIPortList>(*this))
+{
+  // Initialize CGUIWindow
+  m_loadType = KEEP_IN_MEMORY;
+}
+
+CGUIPortWindow::~CGUIPortWindow() = default;
+
+bool CGUIPortWindow::OnMessage(CGUIMessage& message)
+{
+  // Set to true to block the call to the super class
+  bool bHandled = false;
+
+  switch (message.GetMessage())
+  {
+    case GUI_MSG_SETFOCUS:
+    {
+      const int controlId = message.GetControlId();
+      if (m_portList->HasControl(controlId) && m_portList->GetCurrentControl() != controlId)
+      {
+        FocusPortList();
+        bHandled = true;
+      }
+      break;
+    }
+    case GUI_MSG_CLICKED:
+    {
+      const int controlId = message.GetSenderId();
+
+      if (controlId == CONTROL_CLOSE_BUTTON)
+      {
+        CloseDialog();
+        bHandled = true;
+      }
+      else if (controlId == CONTROL_RESET_BUTTON)
+      {
+        ResetPorts();
+        bHandled = true;
+      }
+      else if (m_portList->HasControl(controlId))
+      {
+        const int actionId = message.GetParam1();
+        if (actionId == ACTION_SELECT_ITEM || actionId == ACTION_MOUSE_LEFT_CLICK)
+        {
+          OnClickAction();
+          bHandled = true;
+        }
+      }
+      break;
+    }
+    case GUI_MSG_REFRESH_LIST:
+    {
+      UpdatePortList();
+      break;
+    }
+    default:
+      break;
+  }
+
+  if (!bHandled)
+    bHandled = CGUIDialog::OnMessage(message);
+
+  return bHandled;
+}
+
+void CGUIPortWindow::OnWindowLoaded()
+{
+  CGUIDialog::OnWindowLoaded();
+
+  m_portList->OnWindowLoaded();
+}
+
+void CGUIPortWindow::OnWindowUnload()
+{
+  m_portList->OnWindowUnload();
+
+  CGUIDialog::OnWindowUnload();
+}
+
+void CGUIPortWindow::OnInitWindow()
+{
+  CGUIDialog::OnInitWindow();
+
+  // Get active game add-on
+  GameClientPtr gameClient;
+  {
+    auto gameSettingsHandle = CServiceBroker::GetGameRenderManager().RegisterGameSettingsDialog();
+    if (gameSettingsHandle)
+    {
+      ADDON::AddonPtr addon;
+      if (CServiceBroker::GetAddonMgr().GetAddon(gameSettingsHandle->GameClientID(), addon,
+                                                 ADDON::AddonType::GAMEDLL,
+                                                 ADDON::OnlyEnabled::CHOICE_YES))
+        gameClient = std::static_pointer_cast<CGameClient>(addon);
+    }
+  }
+  m_gameClient = std::move(gameClient);
+
+  // Set the heading
+  // "Port Setup - {game client name}"
+  SET_CONTROL_LABEL(CONTROL_PORT_DIALOG_LABEL,
+                    StringUtils::Format("$LOCALIZE[35111] - {}", m_gameClient->Name()));
+
+  m_portList->Initialize(m_gameClient);
+
+  UpdatePortList();
+
+  // Focus the port list
+  CGUIMessage msgFocus(GUI_MSG_SETFOCUS, GetID(), CONTROL_PORT_LIST);
+  OnMessage(msgFocus);
+}
+
+void CGUIPortWindow::OnDeinitWindow(int nextWindowID)
+{
+  m_portList->Deinitialize();
+
+  m_gameClient.reset();
+
+  CGUIDialog::OnDeinitWindow(nextWindowID);
+}
+
+void CGUIPortWindow::FrameMove()
+{
+  CGUIDialog::FrameMove();
+
+  m_portList->FrameMove();
+}
+
+void CGUIPortWindow::UpdatePortList()
+{
+  m_portList->Refresh();
+}
+
+void CGUIPortWindow::FocusPortList()
+{
+  m_portList->SetFocused();
+}
+
+bool CGUIPortWindow::OnClickAction()
+{
+  return m_portList->OnSelect();
+}
+
+void CGUIPortWindow::ResetPorts()
+{
+  m_portList->ResetPorts();
+}
+
+void CGUIPortWindow::CloseDialog()
+{
+  Close();
+}
diff --git a/xbmc/games/ports/windows/GUIPortWindow.h b/xbmc/games/ports/windows/GUIPortWindow.h
new file mode 100644
index 0000000..3b98708
--- /dev/null
+++ b/xbmc/games/ports/windows/GUIPortWindow.h
@@ -0,0 +1,56 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "games/GameTypes.h"
+#include "guilib/GUIDialog.h"
+
+#include <memory>
+
+namespace KODI
+{
+namespace GAME
+{
+class IPortList;
+
+class CGUIPortWindow : public CGUIDialog
+{
+public:
+  CGUIPortWindow();
+  ~CGUIPortWindow() override;
+
+  // Implementation of CGUIControl via CGUIDialog
+  bool OnMessage(CGUIMessage& message) override;
+
+protected:
+  // Implementation of CGUIWindow via CGUIDialog
+  void OnWindowLoaded() override;
+  void OnWindowUnload() override;
+  void OnInitWindow() override;
+  void OnDeinitWindow(int nextWindowID) override;
+  void FrameMove() override;
+
+private:
+  // Actions for port list
+  void UpdatePortList();
+  void FocusPortList();
+  bool OnClickAction();
+
+  // Actions for the available buttons
+  void ResetPorts();
+  void CloseDialog();
+
+  // GUI parameters
+  std::unique_ptr<IPortList> m_portList;
+
+  // Game parameters
+  GameClientPtr m_gameClient;
+};
+} // namespace GAME
+} // namespace KODI
diff --git a/xbmc/games/ports/windows/IPortList.h b/xbmc/games/ports/windows/IPortList.h
new file mode 100644
index 0000000..e330c6e
--- /dev/null
+++ b/xbmc/games/ports/windows/IPortList.h
@@ -0,0 +1,104 @@
+/*
+ *  Copyright (C) 2021 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "games/GameTypes.h"
+
+/*!
+ * \brief Controller port setup window
+ *
+ * The port setup window presents a list of ports and their attached
+ * controllers.
+ *
+ * The label2 of each port is the currently-connected controller. The user
+ * selects from all controllers that the port accepts (as given by the
+ * game-addon's topology.xml file).
+ *
+ * The controller topology is stored as a generic tree. Here we apply game logic
+ * to simplify controller selection.
+ */
+
+namespace KODI
+{
+namespace GAME
+{
+/*!
+ * \brief A list populated by controller ports
+ */
+class IPortList
+{
+public:
+  virtual ~IPortList() = default;
+
+  /*!
+   * \brief Callback when the GUI window is loaded
+   */
+  virtual void OnWindowLoaded() = 0;
+
+  /*!
+   * \brief Callback when the GUI window is unloaded
+   */
+  virtual void OnWindowUnload() = 0;
+
+  /*!
+   * \brief Initialize resources
+   *
+   * \param gameClient The game client providing the ports
+   *
+   * \return True if the resource is initialized and can be used, false if the
+   *         resource failed to initialize and must not be used
+   */
+  virtual bool Initialize(GameClientPtr gameClient) = 0;
+
+  /*!
+   * \brief Deinitialize resources
+   */
+  virtual void Deinitialize() = 0;
+
+  /*!
+   * \brief Query if a control with the given ID belongs to this list
+   */
+  virtual bool HasControl(int controlId) = 0;
+
+  /*!
+   * \brief Query the ID of the current control in this list
+   *
+   * \return The control ID, or -1 if no control is currently active
+   */
+  virtual int GetCurrentControl() = 0;
+
+  /*!
+   * \brief Refresh the contents of the list
+   */
+  virtual void Refresh() = 0;
+
+  /*!
+   * \brief Callback when a frame is rendered by the GUI
+   */
+  virtual void FrameMove() = 0;
+
+  /*!
+   * \brief The port list has been focused in the GUI
+   */
+  virtual void SetFocused() = 0;
+
+  /*!
+   * \brief The port list has been selected
+   *
+   * \brief True if a control was active, false of all controls were inactive
+   */
+  virtual bool OnSelect() = 0;
+
+  /*!
+   * \brief Reset the ports to their game add-on's default configuration
+   */
+  virtual void ResetPorts() = 0;
+};
+} // namespace GAME
+} // namespace KODI