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/*
* SPDX-FileCopyrightText: 2024 Bohdan Onofriichuk <bogdan.onofriuchuk@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "keyboardbrightnesscontrol.h"
#include <brightnesscontrolplugin_debug.h>
#include <QCoroDBusPendingCall>
#include <QDBusConnectionInterface>
#include <QDBusInterface>
#include <QDBusMetaType>
#include <QDBusPendingCall>
#include <QDBusReply>
#include <QDBusServiceWatcher>
#include <QPointer>
using namespace Qt::StringLiterals;
namespace
{
constexpr QLatin1String SOLID_POWERMANAGEMENT_SERVICE("org.kde.Solid.PowerManagement");
constexpr QLatin1String KEYBOARD_BRIGHTNESS_ACTION("KeyboardBrightnessControl");
}
KeyboardBrightnessControl::KeyboardBrightnessControl(QObject *parent)
: QObject(parent)
{
m_serviceWatcher = std::make_unique<QDBusServiceWatcher>(SOLID_POWERMANAGEMENT_SERVICE,
QDBusConnection::sessionBus(),
QDBusServiceWatcher::WatchForRegistration | QDBusServiceWatcher::WatchForUnregistration);
connect(m_serviceWatcher.get(), &QDBusServiceWatcher::serviceRegistered, this, &KeyboardBrightnessControl::onServiceRegistered);
connect(m_serviceWatcher.get(), &QDBusServiceWatcher::serviceUnregistered, this, &KeyboardBrightnessControl::onServiceUnregistered);
if (QDBusConnection::sessionBus().interface()->isServiceRegistered(SOLID_POWERMANAGEMENT_SERVICE)) {
onServiceRegistered();
} else {
qCWarning(APPLETS::BRIGHTNESS) << "D-Bus service not available:" << SOLID_POWERMANAGEMENT_SERVICE;
}
}
KeyboardBrightnessControl::~KeyboardBrightnessControl()
{
}
void KeyboardBrightnessControl::setBrightness(int value)
{
m_brightness = value;
QDBusMessage msg = QDBusMessage::createMethodCall(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
m_isSilent ? u"setKeyboardBrightnessSilent"_s : u"setKeyboardBrightness"_s);
msg << value;
QDBusConnection::sessionBus().asyncCall(msg);
}
QBindable<bool> KeyboardBrightnessControl::bindableIsBrightnessAvailable()
{
return &m_isBrightnessAvailable;
}
QBindable<int> KeyboardBrightnessControl::bindableBrightness()
{
return &m_brightness;
}
QBindable<int> KeyboardBrightnessControl::bindableBrightnessMax()
{
return &m_maxBrightness;
}
void KeyboardBrightnessControl::setIsSilent(bool silent)
{
m_isSilent = silent;
}
void KeyboardBrightnessControl::onBrightnessChanged(int value)
{
m_brightness = value;
}
void KeyboardBrightnessControl::onBrightnessMaxChanged(int value)
{
m_maxBrightness = value;
m_isBrightnessAvailable = value > 0;
}
void KeyboardBrightnessControl::onServiceRegistered()
{
if (!QDBusConnection::sessionBus().connect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement"_s,
u"org.kde.Solid.PowerManagement"_s,
u"supportedActionsChanged"_s,
this,
SLOT(onSupportedActionsChanged()))) {
qCWarning(APPLETS::BRIGHTNESS) << "error connecting to supported action changes via dbus";
}
onSupportedActionsChanged();
}
void KeyboardBrightnessControl::onServiceUnregistered()
{
onActionUnsupported();
QDBusConnection::sessionBus().disconnect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement"_s,
u"org.kde.Solid.PowerManagement"_s,
u"supportedActionsChanged"_s,
this,
SLOT(onSupportedActionsChanged()));
}
QCoro::Task<bool> KeyboardBrightnessControl::isActionSupported(const QString &actionName)
{
QDBusMessage checkActionMsg = QDBusMessage::createMethodCall(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement"_s,
u"org.kde.Solid.PowerManagement"_s,
u"isActionSupported"_s);
checkActionMsg << actionName;
const QDBusReply<bool> checkActionReply = co_await QDBusConnection::sessionBus().asyncCall(checkActionMsg);
if (!checkActionReply.isValid()) {
qCWarning(APPLETS::BRIGHTNESS) << "error retrieving action status for" << actionName << checkActionReply.error();
co_return false;
}
co_return checkActionReply.value();
}
QCoro::Task<void> KeyboardBrightnessControl::onSupportedActionsChanged()
{
QPointer<KeyboardBrightnessControl> alive{this};
const bool actionSupported = co_await isActionSupported(KEYBOARD_BRIGHTNESS_ACTION);
if (!alive) {
co_return;
}
if (actionSupported) {
onActionSupported();
} else {
qCInfo(APPLETS::BRIGHTNESS) << "D-Bus action" << KEYBOARD_BRIGHTNESS_ACTION << "is not available at service" << SOLID_POWERMANAGEMENT_SERVICE;
onActionUnsupported();
}
}
QCoro::Task<void> KeyboardBrightnessControl::onActionSupported()
{
if (m_initialized) {
co_return;
}
m_initialized = true;
QDBusMessage brightnessMax = QDBusMessage::createMethodCall(u"org.kde.Solid.PowerManagement"_s,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightnessMax"_s);
QPointer<KeyboardBrightnessControl> alive{this};
const QDBusReply<int> brightnessMaxReply = co_await QDBusConnection::sessionBus().asyncCall(brightnessMax);
if (!alive || !brightnessMaxReply.isValid() || !m_initialized) {
qCWarning(APPLETS::BRIGHTNESS) << "error getting max keyboard brightness via dbus" << brightnessMaxReply.error();
co_return;
}
m_maxBrightness = brightnessMaxReply.value();
QDBusMessage brightness = QDBusMessage::createMethodCall(u"org.kde.Solid.PowerManagement"_s,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightness"_s);
const QDBusReply<int> brightnessReply = co_await QDBusConnection::sessionBus().asyncCall(brightness);
if (!alive || !brightnessReply.isValid() || !m_initialized) {
qCWarning(APPLETS::BRIGHTNESS) << "error getting keyboard brightness via dbus" << brightnessReply.error();
co_return;
}
m_brightness = brightnessReply.value();
if (!QDBusConnection::sessionBus().connect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightnessChanged"_s,
this,
SLOT(onBrightnessChanged(int)))) {
qCWarning(APPLETS::BRIGHTNESS) << "error connecting to Keyboard Brightness changes via dbus";
co_return;
}
if (!QDBusConnection::sessionBus().connect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightnessMaxChanged"_s,
this,
SLOT(onBrightnessMaxChanged(int)))) {
qCWarning(APPLETS::BRIGHTNESS) << "error connecting to max keyboard Brightness changes via dbus";
co_return;
}
m_isBrightnessAvailable = true;
}
void KeyboardBrightnessControl::onActionUnsupported()
{
m_isBrightnessAvailable = false;
if (!m_initialized) {
return;
}
m_initialized = false;
QDBusConnection::sessionBus().disconnect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightnessChanged"_s,
this,
SLOT(onBrightnessChanged(int)));
QDBusConnection::sessionBus().disconnect(SOLID_POWERMANAGEMENT_SERVICE,
u"/org/kde/Solid/PowerManagement/Actions/KeyboardBrightnessControl"_s,
u"org.kde.Solid.PowerManagement.Actions.KeyboardBrightnessControl"_s,
u"keyboardBrightnessMaxChanged"_s,
this,
SLOT(onBrightnessMaxChanged(int)));
}
#include "moc_keyboardbrightnesscontrol.cpp"
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