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/*
* libwatchfish - library with common functionality for SailfishOS smartwatch connector programs.
* Copyright (C) 2016 Javier S. Pedro <dev.git@javispedro.com>
*
* 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
* (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, see <http://www.gnu.org/licenses/>.
*/
#include "volumecontroller.h"
#include "volumecontroller_p.h"
namespace watchfish
{
Q_LOGGING_CATEGORY(volumeControllerCat, "watchfish-VolumeController")
static const char *VOLUME_SERVICE = "com.Meego.MainVolume2";
static const char *VOLUME_PATH = "/com/meego/mainvolume2";
VolumeControllerPrivate::VolumeControllerPrivate(VolumeController *q)
: volume(0),
curValue(0), curMaximum(0),
q_ptr(q)
{
const QString address = connectionAddress();
QDBusConnection connection = QDBusConnection::connectToPeer(address, "pulse");
volume = new ComMeegoMainVolume2Interface(VOLUME_SERVICE, VOLUME_PATH, connection, this);
connect(volume, &ComMeegoMainVolume2Interface::StepsUpdated,
this, &VolumeControllerPrivate::handleStepsUpdated);
if (volume->isValid()) {
handleStepsUpdated(volume->stepCount(), volume->currentStep());
}
}
VolumeControllerPrivate::~VolumeControllerPrivate()
{
}
QString VolumeControllerPrivate::connectionAddress()
{
if (qEnvironmentVariableIsSet("PULSE_DBUS_SERVER")) {
return QString::fromLocal8Bit(qgetenv("PULSE_DBUS_SERVER"));
} else {
QDBusConnection bus = QDBusConnection::sessionBus();
QDBusMessage message = QDBusMessage::createMethodCall("org.pulseaudio.Server", "/org/pulseaudio/server_lookup1",
"org.freedesktop.DBus.Properties", "Get");
message.setArguments(QVariantList() << "org.PulseAudio.ServerLookup1" << "Address");
QDBusMessage reply = bus.call(message);
if (reply.type() == QDBusMessage::ReplyMessage && reply.arguments().count() > 0) {
return reply.arguments().first().value<QDBusVariant>().variant().toString();
}
}
return QString();
}
void VolumeControllerPrivate::handleStepsUpdated(uint StepCount, uint CurrentStep)
{
Q_Q(VolumeController);
qCDebug(volumeControllerCat) << "updated stuff";
const int oldValue = curValue, oldMaximum = curMaximum;
curValue = CurrentStep;
curMaximum = StepCount;
if (oldMaximum != 0) {
qCDebug(volumeControllerCat) << "Volume updated" << curValue << "/" << curMaximum;
}
if (curMaximum != oldMaximum) {
emit q->maximumChanged();
}
if (curValue != oldValue) {
emit q->valueChanged();
}
}
VolumeController::VolumeController(QObject *parent)
: QObject(parent), d_ptr(new VolumeControllerPrivate(this))
{
}
VolumeController::~VolumeController()
{
}
int VolumeController::value() const
{
Q_D(const VolumeController);
return d->volume->currentStep();
}
int VolumeController::minimum() const
{
return 0;
}
int VolumeController::maximum() const
{
Q_D(const VolumeController);
return d->volume->stepCount();
}
void VolumeController::setValue(int v)
{
Q_D(const VolumeController);
qCDebug(volumeControllerCat) << "Setting volume to" << v;
if (!d->volume->isValid()) {
qCWarning(volumeControllerCat) << "Lost connection to volume interface";
}
d->volume->setCurrentStep(v);
}
void VolumeController::up()
{
setValue(value() + 1);
}
void VolumeController::down()
{
setValue(value() - 1);
}
}
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