awesome-widgets/sources/awesome-widget/plugin/awdataaggregator.cpp
arcan1s 50f3ef5bba move gihelper to own class from namespace
This action will allow to store data in the helper class. Also
notification for high memory usage has been changed from 90 to 80.
2016-02-26 20:04:27 +03:00

323 lines
12 KiB
C++

/***************************************************************************
* This file is part of awesome-widgets *
* *
* awesome-widgets 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 (at your option) any later version. *
* *
* awesome-widgets 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 awesome-widgets. If not, see http://www.gnu.org/licenses/ *
***************************************************************************/
#include "awdataaggregator.h"
#include <KI18n/KLocalizedString>
#include <QtConcurrent/QtConcurrent>
#include <QBuffer>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QPixmap>
#include <math.h>
#include "awactions.h"
#include "awdebug.h"
AWDataAggregator::AWDataAggregator(QObject *parent)
: QObject(parent)
{
qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
// required by signals
// qRegisterMetaType<QHash<QString, QString>>("QHash<QString, QString>");
initScene();
connect(this, SIGNAL(updateData(const QVariantHash &)), this,
SLOT(dataUpdate(const QVariantHash &)));
}
AWDataAggregator::~AWDataAggregator()
{
qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
delete toolTipScene;
}
QList<float> AWDataAggregator::getData(const QString key) const
{
qCDebug(LOG_AW) << "Key" << key;
return data[QString("%1Tooltip").arg(key)];
}
QString AWDataAggregator::htmlImage(const QPixmap &source) const
{
QByteArray byteArray;
QBuffer buffer(&byteArray);
source.save(&buffer, "PNG");
return byteArray.isEmpty()
? QString()
: QString("<img src=\"data:image/png;base64,%1\"/>")
.arg(QString(byteArray.toBase64()));
}
void AWDataAggregator::setParameters(QVariantMap settings)
{
qCDebug(LOG_AW) << "Settings" << settings;
// cast from QVariantMap to QVariantHash without data lost
configuration = qvariant_cast<QVariantHash>(settings);
m_enablePopup = configuration[QString("notify")].toBool();
counts = 0;
counts += configuration[QString("cpuTooltip")].toInt();
counts += configuration[QString("cpuclTooltip")].toInt();
counts += configuration[QString("memTooltip")].toInt();
counts += configuration[QString("swapTooltip")].toInt();
counts += configuration[QString("downkbTooltip")].toInt();
counts += configuration[QString("batTooltip")].toInt();
// resize tooltip image
toolTipView->resize(100 * counts, 105);
boundaries[QString("cpuTooltip")] = 100.0;
boundaries[QString("cpuclTooltip")] = 4000.0;
boundaries[QString("memTooltip")] = 100.0;
boundaries[QString("swapTooltip")] = 100.0;
boundaries[QString("downkbTooltip")] = 1.0;
boundaries[QString("upkbTooltip")] = 1.0;
boundaries[QString("batTooltip")] = 100.0;
requiredKeys.clear();
if (configuration[QString("cpuTooltip")].toBool())
requiredKeys.append(QString("cpuTooltip"));
if (configuration[QString("cpuclTooltip")].toBool())
requiredKeys.append(QString("cpuclTooltip"));
if (configuration[QString("memTooltip")].toBool())
requiredKeys.append(QString("memTooltip"));
if (configuration[QString("swapTooltip")].toBool())
requiredKeys.append(QString("swapTooltip"));
if (configuration[QString("downkbTooltip")].toBool())
requiredKeys.append(QString("downkbTooltip"));
if (configuration[QString("upkbTooltip")].toBool())
requiredKeys.append(QString("upkbTooltip"));
if (configuration[QString("batTooltip")].toBool())
requiredKeys.append(QString("batTooltip"));
// background
toolTipScene->setBackgroundBrush(
configuration[QString("useTooltipBackground")].toBool()
? QBrush(QColor(
configuration[QString("tooltipBackground")].toString()))
: QBrush(Qt::NoBrush));
}
QPixmap AWDataAggregator::tooltipImage()
{
// create image
toolTipScene->clear();
QPen pen;
bool down = false;
for (auto key : requiredKeys) {
// create frame
float normX = 100.0f / static_cast<float>(data[key].count());
float normY = 100.0f / (1.5f * boundaries[key]);
float shift = requiredKeys.indexOf(key) * 100.0f;
if (down)
shift -= 100.0;
// apply pen color
if (key != QString("batTooltip"))
pen.setColor(
QColor(configuration[QString("%1Color").arg(key)].toString()));
// paint data inside frame
for (int j = 0; j < data[key].count() - 1; j++) {
// some magic here
float x1 = j * normX + shift;
float y1 = -fabs(data[key].at(j)) * normY + 5.0f;
float x2 = (j + 1) * normX + shift;
float y2 = -fabs(data[key].at(j + 1)) * normY + 5.0f;
if (key == QString("batTooltip")) {
if (data[key].at(j + 1) > 0)
pen.setColor(QColor(
configuration[QString("batTooltipColor")].toString()));
else
pen.setColor(
QColor(configuration[QString("batInTooltipColor")]
.toString()));
}
toolTipScene->addLine(x1, y1, x2, y2, pen);
}
if (key == QString("downkbTooltip"))
down = true;
}
return toolTipView->grab();
}
void AWDataAggregator::dataUpdate(const QVariantHash &values)
{
// do not log these arguments
setData(values);
emit(toolTipPainted(htmlImage(tooltipImage())));
}
void AWDataAggregator::checkValue(const QString source, const float value,
const float extremum) const
{
qCDebug(LOG_AW) << "Notification source" << source << "with value" << value
<< "called with extremum" << extremum;
if (value >= 0.0) {
if ((m_enablePopup) && (value > extremum)
&& (data[source].last() < extremum))
return AWActions::sendNotification(QString("event"),
notificationText(source, value));
} else {
if ((m_enablePopup) && (value < extremum)
&& (data[source].last() > extremum))
return AWActions::sendNotification(QString("event"),
notificationText(source, value));
}
}
void AWDataAggregator::checkValue(const QString source, const QString current,
const QString received) const
{
qCDebug(LOG_AW) << "Notification source" << source << "with current value"
<< current << "and received one" << received;
if ((m_enablePopup) && (current != received) && (!received.isEmpty()))
return AWActions::sendNotification(QString("event"),
notificationText(source, received));
}
void AWDataAggregator::initScene()
{
toolTipScene = new QGraphicsScene(nullptr);
toolTipView = new QGraphicsView(toolTipScene);
toolTipView->setStyleSheet(QString("background: transparent"));
toolTipView->setContentsMargins(0, 0, 0, 0);
toolTipView->setFrameShape(QFrame::NoFrame);
toolTipView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
toolTipView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
}
QString AWDataAggregator::notificationText(const QString source,
const float value) const
{
qCDebug(LOG_AW) << "Notification source" << source << "with value" << value;
QString output;
if (source == QString("batTooltip"))
output = value > 0.0 ? i18n("AC online") : i18n("AC offline");
else if (source == QString("cpuTooltip"))
output = i18n("High CPU load");
else if (source == QString("memTooltip"))
output = i18n("High memory usage");
else if (source == QString("swapTooltip"))
output = i18n("Swap is used");
else if (source == QString("gpu"))
output = i18n("High GPU load");
return output;
}
QString AWDataAggregator::notificationText(const QString source,
const QString value) const
{
qCDebug(LOG_AW) << "Notification source" << source << "with value" << value;
QString output;
if (source == QString("netdev"))
output = i18n("Network device has been changed to %1", value);
return output;
}
void AWDataAggregator::setData(const QVariantHash &values)
{
// do not log these arguments
// battery update requires info is AC online or not
setData(values[QString("ac")].toString()
== configuration[QString("acOnline")],
QString("batTooltip"), values[QString("bat")].toFloat());
// usual case
setData(QString("cpuTooltip"), values[QString("cpu")].toFloat(), 90.0);
setData(QString("cpuclTooltip"), values[QString("cpucl")].toFloat());
setData(QString("memTooltip"), values[QString("mem")].toFloat(), 80.0);
setData(QString("swapTooltip"), values[QString("swap")].toFloat(), 0.0);
setData(QString("downkbTooltip"), values[QString("downkb")].toFloat());
setData(QString("upkbTooltip"), values[QString("upkb")].toFloat());
// additional check for network device
[this](const QString value) {
checkValue(QString("netdev"), currentNetworkDevice, value);
currentNetworkDevice = value;
}(values[QString("netdev")].toString());
// additional check for GPU load
[this](const float value) {
checkValue(QString("gpu"), value, 90.0);
currentGPULoad = value;
}(values[QString("gpu")].toFloat());
}
void AWDataAggregator::setData(const QString &source, float value,
const float extremum)
{
qCDebug(LOG_AW) << "Source" << source << "to value" << value
<< "with extremum" << extremum;
if (data[source].count() == 0)
data[source].append(0.0);
else if (data[source].count()
> configuration[QString("tooltipNumber")].toInt())
data[source].removeFirst();
if (isnan(value))
value = 0.0;
// notifications
checkValue(source, value, extremum);
data[source].append(value);
if (source == QString("downkbTooltip")) {
QList<float> netValues
= data[QString("downkbTooltip")] + data[QString("upkbTooltip")];
boundaries[QString("downkbTooltip")]
= 1.2f * *std::max_element(netValues.cbegin(), netValues.cend());
boundaries[QString("upkbTooltip")]
= boundaries[QString("downkbTooltip")];
}
}
void AWDataAggregator::setData(const bool dontInvert, const QString &source,
float value)
{
qCDebug(LOG_AW) << "Do not invert" << dontInvert << "value" << value
<< "for source" << source;
// invert values for different battery colours
value = dontInvert ? value : -value;
return setData(source, value, 0.0);
}