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// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "InputCommon/ControllerInterface/ControllerInterface.h"
#include <algorithm>
#include "Common/Logging/Log.h"
#ifdef CIFACE_USE_XINPUT
#include "InputCommon/ControllerInterface/XInput/XInput.h"
#endif
#ifdef CIFACE_USE_DINPUT
#include "InputCommon/ControllerInterface/DInput/DInput.h"
#endif
#ifdef CIFACE_USE_XLIB
#include "InputCommon/ControllerInterface/Xlib/XInput2.h"
#endif
#ifdef CIFACE_USE_OSX
#include "InputCommon/ControllerInterface/OSX/OSX.h"
#include "InputCommon/ControllerInterface/Quartz/Quartz.h"
#endif
#ifdef CIFACE_USE_SDL
#include "InputCommon/ControllerInterface/SDL/SDL.h"
#endif
#ifdef CIFACE_USE_ANDROID
#include "InputCommon/ControllerInterface/Android/Android.h"
#endif
#ifdef CIFACE_USE_EVDEV
#include "InputCommon/ControllerInterface/evdev/evdev.h"
#endif
#ifdef CIFACE_USE_PIPES
#include "InputCommon/ControllerInterface/Pipes/Pipes.h"
#endif
ControllerInterface g_controller_interface;
//
// Init
//
// Detect devices and inputs outputs / will make refresh function later
//
void ControllerInterface::Initialize(void* const hwnd)
{
if (m_is_init)
return;
m_hwnd = hwnd;
m_is_populating_devices = true;
#ifdef CIFACE_USE_DINPUT
// nothing needed
#endif
#ifdef CIFACE_USE_XINPUT
ciface::XInput::Init();
#endif
#ifdef CIFACE_USE_XLIB
// nothing needed
#endif
#ifdef CIFACE_USE_OSX
ciface::OSX::Init(hwnd);
// nothing needed for Quartz
#endif
#ifdef CIFACE_USE_SDL
ciface::SDL::Init();
#endif
#ifdef CIFACE_USE_ANDROID
// nothing needed
#endif
#ifdef CIFACE_USE_EVDEV
ciface::evdev::Init();
#endif
#ifdef CIFACE_USE_PIPES
// nothing needed
#endif
m_is_init = true;
RefreshDevices();
}
void ControllerInterface::RefreshDevices()
{
if (!m_is_init)
return;
{
std::lock_guard<std::mutex> lk(m_devices_mutex);
m_devices.clear();
}
m_is_populating_devices = true;
#ifdef CIFACE_USE_DINPUT
ciface::DInput::PopulateDevices(reinterpret_cast<HWND>(m_hwnd));
#endif
#ifdef CIFACE_USE_XINPUT
ciface::XInput::PopulateDevices();
#endif
#ifdef CIFACE_USE_XLIB
ciface::XInput2::PopulateDevices(m_hwnd);
#endif
#ifdef CIFACE_USE_OSX
ciface::OSX::PopulateDevices(m_hwnd);
ciface::Quartz::PopulateDevices(m_hwnd);
#endif
#ifdef CIFACE_USE_SDL
ciface::SDL::PopulateDevices();
#endif
#ifdef CIFACE_USE_ANDROID
ciface::Android::PopulateDevices();
#endif
#ifdef CIFACE_USE_EVDEV
ciface::evdev::PopulateDevices();
#endif
#ifdef CIFACE_USE_PIPES
ciface::Pipes::PopulateDevices();
#endif
m_is_populating_devices = false;
InvokeDevicesChangedCallbacks();
}
//
// DeInit
//
// Remove all devices/ call library cleanup functions
//
void ControllerInterface::Shutdown()
{
if (!m_is_init)
return;
{
std::lock_guard<std::mutex> lk(m_devices_mutex);
for (const auto& d : m_devices)
{
// Set outputs to ZERO before destroying device
for (ciface::Core::Device::Output* o : d->Outputs())
o->SetState(0);
}
m_devices.clear();
}
#ifdef CIFACE_USE_XINPUT
ciface::XInput::DeInit();
#endif
#ifdef CIFACE_USE_DINPUT
// nothing needed
#endif
#ifdef CIFACE_USE_XLIB
// nothing needed
#endif
#ifdef CIFACE_USE_OSX
ciface::OSX::DeInit();
ciface::Quartz::DeInit();
#endif
#ifdef CIFACE_USE_SDL
ciface::SDL::DeInit();
#endif
#ifdef CIFACE_USE_ANDROID
// nothing needed
#endif
#ifdef CIFACE_USE_EVDEV
ciface::evdev::Shutdown();
#endif
m_is_init = false;
}
void ControllerInterface::AddDevice(std::shared_ptr<ciface::Core::Device> device)
{
{
std::lock_guard<std::mutex> lk(m_devices_mutex);
// Try to find an ID for this device
int id = 0;
while (true)
{
const auto it =
std::find_if(m_devices.begin(), m_devices.end(), [&device, &id](const auto& d) {
return d->GetSource() == device->GetSource() && d->GetName() == device->GetName() &&
d->GetId() == id;
});
if (it == m_devices.end()) // no device with the same name with this ID, so we can use it
break;
else
id++;
}
device->SetId(id);
NOTICE_LOG(SERIALINTERFACE, "Added device: %s", device->GetQualifiedName().c_str());
m_devices.emplace_back(std::move(device));
}
if (!m_is_populating_devices)
InvokeDevicesChangedCallbacks();
}
void ControllerInterface::RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback)
{
{
std::lock_guard<std::mutex> lk(m_devices_mutex);
auto it = std::remove_if(m_devices.begin(), m_devices.end(), [&callback](const auto& dev) {
if (callback(dev.get()))
{
NOTICE_LOG(SERIALINTERFACE, "Removed device: %s", dev->GetQualifiedName().c_str());
return true;
}
return false;
});
m_devices.erase(it, m_devices.end());
}
if (!m_is_populating_devices)
InvokeDevicesChangedCallbacks();
}
//
// UpdateInput
//
// Update input for all devices
//
void ControllerInterface::UpdateInput()
{
// Don't block the UI or CPU thread (to avoid a short but noticeable frame drop)
if (m_devices_mutex.try_lock())
{
std::lock_guard<std::mutex> lk(m_devices_mutex, std::adopt_lock);
for (const auto& d : m_devices)
d->UpdateInput();
}
}
//
// RegisterDevicesChangedCallback
//
// Register a callback to be called when a device is added or removed (as from the input backends'
// hotplug thread), or when devices are refreshed
//
void ControllerInterface::RegisterDevicesChangedCallback(std::function<void()> callback)
{
std::lock_guard<std::mutex> lk(m_callbacks_mutex);
m_devices_changed_callbacks.emplace_back(std::move(callback));
}
//
// InvokeDevicesChangedCallbacks
//
// Invoke all callbacks that were registered
//
void ControllerInterface::InvokeDevicesChangedCallbacks() const
{
std::lock_guard<std::mutex> lk(m_callbacks_mutex);
for (const auto& callback : m_devices_changed_callbacks)
callback();
}
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