From ca6d8e1f0b1b17096a9e09c61e8d7e1eb97ab06f Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Tue, 4 Nov 2025 14:36:46 -0600
Subject: InputCommon: Make ControllerInterface RegisterDevicesChangedCallback
 use Common::HookableEvent.

---
 .../ControllerInterface/ControllerInterface.h           | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'Source/Core/InputCommon/ControllerInterface/ControllerInterface.h')

diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
index e5712f0a4f..806c6b4b2a 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
@@ -5,12 +5,13 @@
 
 #include <atomic>
 #include <functional>
-#include <list>
 #include <memory>
 #include <mutex>
 
+#include "Common/HookableEvent.h"
 #include "Common/Matrix.h"
 #include "Common/WindowSystemInfo.h"
+
 #include "InputCommon/ControllerInterface/CoreDevice.h"
 #include "InputCommon/ControllerInterface/InputBackend.h"
 
@@ -64,8 +65,6 @@ enum class InputChannel
 class ControllerInterface : public ciface::Core::DeviceContainer
 {
 public:
-  using HotplugCallbackHandle = std::list<std::function<void()>>::iterator;
-
   enum class WindowChangeReason
   {
     // Application is shutting down
@@ -115,9 +114,9 @@ public:
 
   bool IsMouseCenteringRequested() const;
 
-  HotplugCallbackHandle RegisterDevicesChangedCallback(std::function<void(void)> callback);
-  void UnregisterDevicesChangedCallback(const HotplugCallbackHandle& handle);
-  void InvokeDevicesChangedCallbacks() const;
+  [[nodiscard]] Common::EventHook
+  RegisterDevicesChangedCallback(std::string_view name,
+                                 Common::HookableEvent<>::CallbackType callback);
 
   static void SetCurrentInputChannel(ciface::InputChannel);
   static ciface::InputChannel GetCurrentInputChannel();
@@ -127,9 +126,11 @@ public:
 private:
   void ClearDevices();
 
-  std::list<std::function<void()>> m_devices_changed_callbacks;
+  void InvokeDevicesChangedCallbacks();
+
+  Common::HookableEvent<> m_devices_changed_event{"Devices Changed"};
+
   mutable std::recursive_mutex m_devices_population_mutex;
-  mutable std::mutex m_callbacks_mutex;
   std::atomic<bool> m_is_init;
   // This is now always protected by m_devices_population_mutex, so
   // it doesn't really need to be a counter or atomic anymore (it could be a raw bool),
-- 
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