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lxqt-panel-packaging/plugin-volume/audiodevice.cpp

122 lines
2.6 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2012 Razor team
* Authors:
* Johannes Zellner <webmaster@nebulon.de>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "audiodevice.h"
#include "audioengine.h"
AudioDevice::AudioDevice(AudioDeviceType t, AudioEngine *engine, QObject *parent) :
QObject(parent),
m_engine(engine),
m_volume(0),
m_mute(false),
m_type(t),
m_index(0)
{
}
AudioDevice::~AudioDevice()
{
}
void AudioDevice::setName(const QString &name)
{
if (m_name == name)
return;
m_name = name;
emit nameChanged(m_name);
}
void AudioDevice::setDescription(const QString &description)
{
if (m_description == description)
return;
m_description = description;
emit descriptionChanged(m_description);
}
void AudioDevice::setIndex(uint index)
{
if (m_index == index)
return;
m_index = index;
emit indexChanged(index);
}
// this is just for setting the internal volume
void AudioDevice::setVolumeNoCommit(int volume)
{
if (m_engine)
volume = m_engine->volumeBounded(volume, this);
if (m_volume == volume)
return;
m_volume = volume;
emit volumeChanged(m_volume);
}
void AudioDevice::toggleMute()
{
setMute(!m_mute);
}
void AudioDevice::setMute(bool state)
{
if (m_mute == state)
return;
setMuteNoCommit(state);
if (m_engine)
m_engine->setMute(this, state);
}
void AudioDevice::setMuteNoCommit(bool state)
{
if (m_mute == state)
return;
m_mute = state;
emit muteChanged(m_mute);
}
// this performs a volume change on the device
void AudioDevice::setVolume(int volume)
{
if (m_volume == volume)
return;
setVolumeNoCommit(volume);
setMute(false);
if (m_engine)
m_engine->commitDeviceVolume(this);
}