1 files changed, 33 insertions, 0 deletions
diff --git a/src/core/hle/service/ir/ir_user.h b/src/core/hle/service/ir/ir_user.h
index 3849bd923..930650406 100644
--- a/src/core/hle/service/ir/ir_user.h
+++ b/src/core/hle/service/ir/ir_user.h
@@ -4,11 +4,41 @@
 
 #pragma once
 
+#include <functional>
 #include "core/hle/service/service.h"
 
 namespace Service {
 namespace IR {
 
+/// An interface representing a device that can communicate with 3DS via ir:USER service
+class IRDevice {
+public:
+    /**
+     * A function object that implements the method to send data to the 3DS, which takes a vector of
+     * data to send.
+     */
+    using SendFunc = std::function<void(const std::vector<u8>& data)>;
+
+    explicit IRDevice(SendFunc send_func);
+    virtual ~IRDevice();
+
+    /// Called when connected with 3DS
+    virtual void OnConnect() = 0;
+
+    /// Called when disconnected from 3DS
+    virtual void OnDisconnect() = 0;
+
+    /// Called when data is received from the 3DS. This is invoked by the ir:USER send function.
+    virtual void OnReceive(const std::vector<u8>& data) = 0;
+
+protected:
+    /// Sends data to the 3DS. The actual sending method is specified in the constructor
+    void Send(const std::vector<u8>& data);
+
+private:
+    const SendFunc send_func;
+};
+
 class IR_User_Interface : public Service::Interface {
 public:
     IR_User_Interface();
@@ -21,5 +51,8 @@ public:
 void InitUser();
 void ShutdownUser();
 
+/// Reload input devices. Used when input configuration changed
+void ReloadInputDevicesUser();
+
 } // namespace IR
 } // namespace Service