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/***************************************************************************
* Copyright (C) 2010 by Dario Freddi <drf@kde.org> *
* Copyright (C) 2015 by Kai Uwe Broulik <kde@privat.broulik.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "powerdevildpmsaction.h"
#include "abstractdpmshelper.h"
#include "xcbdpmshelper.h"
#include "waylanddpmshelper.h"
#include <powerdevilbackendinterface.h>
#include <powerdevilcore.h>
#include <powerdevil_debug.h>
#include <config-workspace.h>
#include <QGuiApplication>
#include <QX11Info>
#include <QDebug>
#include <KConfigGroup>
#include <KPluginFactory>
#include <KSharedConfig>
K_PLUGIN_FACTORY(PowerDevilDPMSActionFactory, registerPlugin<PowerDevilDPMSAction>(); )
PowerDevilDPMSAction::PowerDevilDPMSAction(QObject* parent, const QVariantList &args)
: Action(parent)
, m_helper()
{
setRequiredPolicies(PowerDevil::PolicyAgent::ChangeScreenSettings);
if (QX11Info::isPlatformX11()) {
m_helper.reset(new XcbDpmsHelper);
} else if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive)) {
m_helper.reset(new WaylandDpmsHelper);
}
// Is the action being loaded outside the core?
if (args.size() > 0) {
if (args.first().toBool()) {
qCDebug(POWERDEVIL) << "Action loaded from outside the core, skipping early init";
return;
}
}
// Pretend we're unloading profiles here, as if the action is not enabled, DPMS should be switched off.
onProfileUnload();
// Listen to the policy agent
connect(PowerDevil::PolicyAgent::instance(), &PowerDevil::PolicyAgent::unavailablePoliciesChanged,
this, &PowerDevilDPMSAction::onUnavailablePoliciesChanged);
// inhibitions persist over kded module unload/load
m_inhibitScreen = PowerDevil::PolicyAgent::instance()->unavailablePolicies() & PowerDevil::PolicyAgent::ChangeScreenSettings;
}
PowerDevilDPMSAction::~PowerDevilDPMSAction() = default;
bool PowerDevilDPMSAction::isSupported()
{
return !m_helper.isNull() && m_helper->isSupported();
}
void PowerDevilDPMSAction::onProfileUnload()
{
if (m_helper.isNull()) {
return;
}
m_helper->profileUnloaded();
}
void PowerDevilDPMSAction::onWakeupFromIdle()
{
if (!m_helper.isNull()) {
m_helper->stopFade();
}
if (m_oldKeyboardBrightness > 0) {
setKeyboardBrightnessHelper(m_oldKeyboardBrightness);
m_oldKeyboardBrightness = 0;
}
}
void PowerDevilDPMSAction::onIdleTimeout(int msec)
{
// Do not inhibit anything even if idleTimeout reaches because we are inhibit
if (m_inhibitScreen) {
return;
}
if (msec == m_idleTime * 1000 - 5000) { // fade out screen
if (!m_helper.isNull()) {
m_helper->startFade();
}
} else if (msec == m_idleTime * 1000) {
const int brightness = backend()->brightness(PowerDevil::BackendInterface::Keyboard);
if (brightness > 0) {
m_oldKeyboardBrightness = brightness;
setKeyboardBrightnessHelper(0);
}
if (!m_helper.isNull()) {
m_helper->dpmsTimeout();
}
}
}
void PowerDevilDPMSAction::setKeyboardBrightnessHelper(int brightness)
{
trigger({
{"KeyboardBrightness", QVariant::fromValue(brightness)}
});
}
void PowerDevilDPMSAction::onProfileLoad()
{
if (m_helper.isNull()) {
return;
}
m_helper->profileLoaded(m_idleTime);
}
void PowerDevilDPMSAction::triggerImpl(const QVariantMap& args)
{
QString KEYBOARD_BRIGHTNESS = QStringLiteral("KeyboardBrightness");
if (args.contains(KEYBOARD_BRIGHTNESS)) {
backend()->setBrightness(args.value(KEYBOARD_BRIGHTNESS).toInt(), PowerDevil::BackendInterface::Keyboard);
return;
}
if (m_helper.isNull()) {
return;
}
m_helper->trigger(args.value(QStringLiteral("Type")).toString());
}
bool PowerDevilDPMSAction::loadAction(const KConfigGroup& config)
{
m_idleTime = config.readEntry<int>("idleTime", -1);
if (m_idleTime > 0) {
registerIdleTimeout(m_idleTime * 1000);
registerIdleTimeout(m_idleTime * 1000 - 5000); // start screen fade a bit earlier to alert user
}
return true;
}
bool PowerDevilDPMSAction::onUnloadAction()
{
m_idleTime = 0;
return Action::onUnloadAction();
}
void PowerDevilDPMSAction::onUnavailablePoliciesChanged(PowerDevil::PolicyAgent::RequiredPolicies policies)
{
// only take action if screen inhibit changed
PowerDevil::PolicyAgent::RequiredPolicies oldPolicy = m_inhibitScreen;
m_inhibitScreen = policies & PowerDevil::PolicyAgent::ChangeScreenSettings;
if (oldPolicy == m_inhibitScreen) {
return;
}
if (m_inhibitScreen) {
// Inhibition triggered: disable DPMS
if (!m_helper.isNull()) {
m_helper->inhibited();
}
} else {
// Inhibition removed: let's start again
onProfileLoad();
qCDebug(POWERDEVIL) << "Restoring DPMS features after inhibition release";
}
}
#include "powerdevildpmsaction.moc"
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