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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <span>
#include "hid_core/resources/touch_screen/touch_types.h"
namespace Service::HID {
class GestureHandler {
public:
GestureHandler();
~GestureHandler();
void SetTouchState(std::span<TouchState> touch_state, u32 count, s64 timestamp);
bool NeedsUpdate();
void UpdateGestureState(GestureState& next_state, s64 timestamp);
private:
// Initializes new gesture
void NewGesture(GestureType& type, GestureAttribute& attributes);
// Updates existing gesture state
void UpdateExistingGesture(GestureState& next_state, GestureType& type);
// Terminates exiting gesture
void EndGesture(GestureState& next_state, GestureType& type, GestureAttribute& attributes);
// Set current event to a tap event
void SetTapEvent(GestureType& type, GestureAttribute& attributes);
// Calculates and set the extra parameters related to a pan event
void UpdatePanEvent(GestureState& next_state, GestureType& type);
// Terminates the pan event
void EndPanEvent(GestureState& next_state, GestureType& type);
// Set current event to a swipe event
void SetSwipeEvent(GestureState& next_state, GestureType& type);
GestureProperties gesture{};
GestureProperties last_gesture{};
GestureState last_gesture_state{};
s64 last_update_timestamp{};
s64 last_tap_timestamp{};
f32 last_pan_time_difference{};
f32 time_difference{};
bool force_update{true};
bool enable_press_and_tap{false};
};
} // namespace Service::HID
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