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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "hid_core/hid_result.h"
#include "hid_core/resources/abstracted_pad/abstract_nfc_handler.h"
#include "hid_core/resources/abstracted_pad/abstract_pad_holder.h"
#include "hid_core/resources/abstracted_pad/abstract_properties_handler.h"
#include "hid_core/resources/npad/npad_types.h"
namespace Service::HID {
NpadAbstractNfcHandler::NpadAbstractNfcHandler() {}
NpadAbstractNfcHandler::~NpadAbstractNfcHandler() = default;
void NpadAbstractNfcHandler::SetAbstractPadHolder(NpadAbstractedPadHolder* holder) {
abstract_pad_holder = holder;
}
void NpadAbstractNfcHandler::SetPropertiesHandler(NpadAbstractPropertiesHandler* handler) {
properties_handler = handler;
}
Result NpadAbstractNfcHandler::IncrementRefCounter() {
if (ref_counter == std::numeric_limits<s32>::max() - 1) {
return ResultNpadHandlerOverflow;
}
ref_counter++;
return ResultSuccess;
}
Result NpadAbstractNfcHandler::DecrementRefCounter() {
if (ref_counter == 0) {
return ResultNpadHandlerNotInitialized;
}
ref_counter--;
return ResultSuccess;
}
void NpadAbstractNfcHandler::UpdateNfcState() {
std::array<IAbstractedPad*, 5> abstract_pads{};
const std::size_t count = properties_handler->GetAbstractedPads(abstract_pads);
if (count == 0) {
if (sensor_state == NpadNfcState::Active) {
nfc_activate_event->Signal();
}
if (sensor_state == NpadNfcState::Unavailable) {
return;
}
sensor_state = NpadNfcState::Unavailable;
input_event->Signal();
return;
}
bool is_found{};
for (std::size_t i = 0; i < count; i++) {
auto* abstract_pad = abstract_pads[i];
if (!abstract_pad->internal_flags.is_connected) {
continue;
}
if (!abstract_pad->disabled_feature_set.has_nfc) {
continue;
}
is_found = true;
xcd_handle = 0;
}
if (is_found) {
if (sensor_state == NpadNfcState::Active) {
return;
}
if (sensor_state == NpadNfcState::Available) {
return;
}
sensor_state = NpadNfcState::Available;
input_event->Signal();
return;
}
if (sensor_state == NpadNfcState::Active) {
nfc_activate_event->Signal();
}
if (sensor_state == NpadNfcState::Unavailable) {
return;
}
sensor_state = NpadNfcState::Unavailable;
input_event->Signal();
return;
}
bool NpadAbstractNfcHandler::HasNfcSensor() {
return sensor_state != NpadNfcState::Unavailable;
}
bool NpadAbstractNfcHandler::IsNfcActivated() {
return sensor_state == NpadNfcState::Active;
}
Result NpadAbstractNfcHandler::GetAcquireNfcActivateEventHandle(
Kernel::KReadableEvent** out_event) {
*out_event = &nfc_activate_event->GetReadableEvent();
return ResultSuccess;
}
void NpadAbstractNfcHandler::SetInputEvent(Kernel::KEvent* event) {
input_event = event;
}
Result NpadAbstractNfcHandler::ActivateNfc(bool is_enabled) {
if (sensor_state == NpadNfcState::Active) {
return ResultNfcIsNotReady;
}
NpadNfcState new_state = NpadNfcState::Available;
if (is_enabled) {
new_state = NpadNfcState::Active;
}
if (sensor_state != new_state) {
sensor_state = new_state;
nfc_activate_event->Signal();
}
return ResultSuccess;
}
Result NpadAbstractNfcHandler::GetXcdHandleWithNfc(u64& out_xcd_handle) const {
if (sensor_state == NpadNfcState::Unavailable) {
return ResultNfcIsNotReady;
}
if (xcd_handle == 0) {
return ResultNfcXcdHandleIsNotInitialized;
}
out_xcd_handle = xcd_handle;
return ResultSuccess;
}
} // namespace Service::HID
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