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-rw-r--r--src/input_common/sdl/sdl_impl.h72
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diff --git a/src/input_common/sdl/sdl_impl.h b/src/input_common/sdl/sdl_impl.h
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+++ b/src/input_common/sdl/sdl_impl.h
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+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <memory>
+#include <mutex>
+#include <thread>
+#include <unordered_map>
+#include "common/common_types.h"
+#include "common/threadsafe_queue.h"
+#include "input_common/sdl/sdl.h"
+
+union SDL_Event;
+using SDL_Joystick = struct _SDL_Joystick;
+using SDL_JoystickID = s32;
+
+namespace InputCommon::SDL {
+
+class SDLAnalogFactory;
+class SDLButtonFactory;
+class SDLJoystick;
+
+class SDLState : public State {
+public:
+ /// Initializes and registers SDL device factories
+ SDLState();
+
+ /// Unregisters SDL device factories and shut them down.
+ ~SDLState() override;
+
+ /// Handle SDL_Events for joysticks from SDL_PollEvent
+ void HandleGameControllerEvent(const SDL_Event& event);
+
+ /// Get the nth joystick with the corresponding GUID
+ std::shared_ptr<SDLJoystick> GetSDLJoystickBySDLID(SDL_JoystickID sdl_id);
+
+ /**
+ * Check how many identical joysticks (by guid) were connected before the one with sdl_id and so
+ * tie it to a SDLJoystick with the same guid and that port
+ */
+ std::shared_ptr<SDLJoystick> GetSDLJoystickByGUID(const std::string& guid, int port);
+
+ /// Get all DevicePoller that use the SDL backend for a specific device type
+ Pollers GetPollers(Polling::DeviceType type) override;
+
+ /// Used by the Pollers during config
+ std::atomic<bool> polling = false;
+ Common::SPSCQueue<SDL_Event> event_queue;
+
+private:
+ void InitJoystick(int joystick_index);
+ void CloseJoystick(SDL_Joystick* sdl_joystick);
+
+ /// Needs to be called before SDL_QuitSubSystem.
+ void CloseJoysticks();
+
+ /// Map of GUID of a list of corresponding virtual Joysticks
+ std::unordered_map<std::string, std::vector<std::shared_ptr<SDLJoystick>>> joystick_map;
+ std::mutex joystick_map_mutex;
+
+ std::shared_ptr<SDLButtonFactory> button_factory;
+ std::shared_ptr<SDLAnalogFactory> analog_factory;
+
+ bool start_thread = false;
+ std::atomic<bool> initialized = false;
+
+ std::thread poll_thread;
+};
+} // namespace InputCommon::SDL