1 files changed, 75 insertions, 0 deletions

diff --git a/src/hid_core/resources/abstracted_pad/abstract_button_handler.h b/src/hid_core/resources/abstracted_pad/abstract_button_handler.h
new file mode 100644
index 000000000..01eafe96d
--- /dev/null
+++ b/src/hid_core/resources/abstracted_pad/abstract_button_handler.h
@@ -0,0 +1,75 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+struct NpadSharedMemoryEntry;
+
+struct AppletResourceHolder;
+class NpadAbstractedPadHolder;
+class NpadAbstractPropertiesHandler;
+
+/// Handles Npad request from HID interfaces
+class NpadAbstractButtonHandler final {
+public:
+    explicit NpadAbstractButtonHandler();
+    ~NpadAbstractButtonHandler();
+
+    void SetAbstractPadHolder(NpadAbstractedPadHolder* holder);
+    void SetAppletResource(AppletResourceHolder* applet_resource);
+    void SetPropertiesHandler(NpadAbstractPropertiesHandler* handler);
+
+    Result IncrementRefCounter();
+    Result DecrementRefCounter();
+
+    Result UpdateAllButtonWithHomeProtection(u64 aruid);
+
+    void UpdateAllButtonLifo();
+    void UpdateCoreBatteryState();
+    void UpdateButtonState(u64 aruid);
+
+    Result SetHomeProtection(bool is_enabled, u64 aruid);
+    bool IsButtonPressedOnConsoleMode();
+    void EnableCenterClamp();
+
+    void UpdateButtonLifo(NpadSharedMemoryEntry& shared_memory, u64 aruid);
+
+    void UpdateNpadFullkeyLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                               NpadSharedMemoryEntry& shared_memory);
+    void UpdateHandheldLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                            NpadSharedMemoryEntry& shared_memory);
+    void UpdateJoyconDualLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                              NpadSharedMemoryEntry& shared_memory);
+    void UpdateJoyconLeftLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                              NpadSharedMemoryEntry& shared_memory);
+    void UpdateJoyconRightLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                               NpadSharedMemoryEntry& shared_memory);
+    void UpdateSystemExtLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                             NpadSharedMemoryEntry& shared_memory);
+    void UpdatePalmaLifo(Core::HID::NpadStyleTag style_tag, int index, u64 aruid,
+                         NpadSharedMemoryEntry& shared_memory);
+
+private:
+    struct GcTrigger {
+        float left;
+        float right;
+    };
+
+    AppletResourceHolder* applet_resource_holder{nullptr};
+    NpadAbstractedPadHolder* abstract_pad_holder{nullptr};
+    NpadAbstractPropertiesHandler* properties_handler{nullptr};
+
+    s32 ref_counter{};
+
+    bool is_button_pressed_on_console_mode{};
+
+    u64 gc_sampling_number{};
+    GcTrigger gc_trigger_state{};
+};
+
+} // namespace Service::HID