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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/core.h"
#include "core/hle/service/am/button_poller.h"
#include "core/hle/service/am/window_system.h"
#include "hid_core/frontend/emulated_controller.h"
#include "hid_core/hid_core.h"
#include "hid_core/hid_types.h"
namespace Service::AM {
namespace {
ButtonPressDuration ClassifyPressDuration(std::chrono::steady_clock::time_point start) {
using namespace std::chrono_literals;
const auto dur = std::chrono::steady_clock::now() - start;
// TODO: determine actual thresholds
// TODO: these are likely different for each button
if (dur < 500ms) {
return ButtonPressDuration::ShortPressing;
} else if (dur < 1000ms) {
return ButtonPressDuration::MiddlePressing;
} else {
return ButtonPressDuration::LongPressing;
}
}
} // namespace
ButtonPoller::ButtonPoller(Core::System& system, WindowSystem& window_system)
: m_window_system(window_system) {
// TODO: am reads this from the home button state in hid, which is controller-agnostic.
Core::HID::ControllerUpdateCallback engine_callback{
.on_change =
[this](Core::HID::ControllerTriggerType type) {
if (type == Core::HID::ControllerTriggerType::Button) {
this->OnButtonStateChanged();
}
},
.is_npad_service = true,
};
m_handheld = system.HIDCore().GetEmulatedController(Core::HID::NpadIdType::Handheld);
m_handheld_key = m_handheld->SetCallback(engine_callback);
m_player1 = system.HIDCore().GetEmulatedController(Core::HID::NpadIdType::Player1);
m_player1_key = m_player1->SetCallback(engine_callback);
}
ButtonPoller::~ButtonPoller() {
m_handheld->DeleteCallback(m_handheld_key);
m_player1->DeleteCallback(m_player1_key);
}
void ButtonPoller::OnButtonStateChanged() {
const bool home_button =
m_handheld->GetHomeButtons().home.Value() || m_player1->GetHomeButtons().home.Value();
const bool capture_button = m_handheld->GetCaptureButtons().capture.Value() ||
m_player1->GetCaptureButtons().capture.Value();
// Buttons pressed which were not previously pressed
if (home_button && !m_home_button_press_start) {
m_home_button_press_start = std::chrono::steady_clock::now();
}
if (capture_button && !m_capture_button_press_start) {
m_capture_button_press_start = std::chrono::steady_clock::now();
}
// if (power_button && !m_power_button_press_start) {
// m_power_button_press_start = std::chrono::steady_clock::now();
// }
// Buttons released which were previously held
if (!home_button && m_home_button_press_start) {
m_window_system.OnHomeButtonPressed(ClassifyPressDuration(*m_home_button_press_start));
m_home_button_press_start = std::nullopt;
}
if (!capture_button && m_capture_button_press_start) {
// TODO
m_capture_button_press_start = std::nullopt;
}
// if (!power_button && m_power_button_press_start) {
// // TODO
// m_power_button_press_start = std::nullopt;
// }
}
} // namespace Service::AM
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