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/* -*- Mode: C++; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2023 KylinSoft Co., Ltd.
*
* 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 3 of the License, or
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "brightness.h"
/*
* 主屏机制问题：如果主屏没有在台式机外接的任意一台机器，主屏如何处理？
* 1：USD无法感知，通过QApplication获取的主屏，与panel、peony实际位置并不相符合。。
*/
Brightness::Brightness(QObject *parent)
{
QDBusInterface powerInterface("org.ukui.powermanagement",
"/",
"org.ukui.powermanagement.interface",
QDBusConnection::systemBus());
QDBusReply<bool> replay = powerInterface.call("CanSetBrightness");
if(replay.isValid()) {
m_powerManagerSetable = replay.value();
if (m_powerManagerSetable) {
m_brightnessManager = new PowerManagerBrightness(this);
}
}
if (!m_powerManagerSetable) {
if (UsdBaseClass::isWaylandWithKscreen()) {
return;
} else {
m_gammaManagerSetable = true;
m_brightnessManager = new GammaBrightness(this);
}
}
if (m_brightnessManager != nullptr) {
m_brightnessManager->connectTheSignal();
}
m_brightCacheTimer = new QTimer();
connect(m_brightCacheTimer, &QTimer::timeout, this, [=](){
USD_LOG(LOG_DEBUG,"start set.");
sendPrimaryStartChanged(m_targetPrimaryBrightness);
m_brightnessManager->setBrightness(m_targetPrimaryBrightness);
});
m_brightCacheTimer->setSingleShot(true);
}
uint Brightness::getPrimaryBrightness()
{
if (!isEnable()) {
return -1;
}
return m_brightnessManager->getBrightness();
}
bool Brightness::setPrimaryBrightness(uint Brightness)
{
static QTime startTime = QTime::currentTime();
static int elapsed = -1;
elapsed = startTime.msecsTo(QTime::currentTime());
if (Brightness > 100 || !isEnable()) {
return false;
}
m_targetPrimaryBrightness = Brightness;
/*
* After multiple dragging, signals with intervals ranging from 100-600ms will still be received.
* If the signal time difference is less than 700ms,
* a timer with a timeout of 251ms will be used to filter out duplicate events
*/
if(elapsed > 0 && elapsed <= 700){
if(!m_brightCacheTimer->isActive() && elapsed) {
m_brightCacheTimer->start(251);
USD_LOG(LOG_DEBUG,"start timer.");
} else {
USD_LOG(LOG_DEBUG,"skip timer.");
}
return false;
}
USD_LOG(LOG_DEBUG,"set it.%d",elapsed);
m_brightCacheTimer->stop();
startTime = QTime::currentTime();
sendPrimaryStartChanged(m_targetPrimaryBrightness);
m_brightnessManager->setBrightness(m_targetPrimaryBrightness);
return true;
}
bool Brightness::isEnable()
{
return (bool)(m_gammaManagerSetable | m_powerManagerSetable);
}
QString Brightness::backend()
{
if (!isEnable()) {
return "disable";
}
return m_brightnessManager->backend();
}
void Brightness::sendPrimaryStartChanged(int brightness)
{
static int lastBrightness = -1;
if (brightness == lastBrightness) {
return;
}
lastBrightness = brightness;
QDBusMessage notifySignal =
QDBusMessage::createSignal(DBUS_GC_BRIGHTNESS_PATH, DBUS_GC_BRIGHTNESS_INTERFACE, DBUS_GC_BRIGHTNESS_SIGNAL_PRIMARYCHANGED_START);
notifySignal.setArguments({QVariant::fromValue((uint)brightness)});
QDBusConnection::sessionBus().send(notifySignal);
}
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