void KNMusicStandardBackend::setVolume(int volumeSize)
{
//If we want to change the volume, check the mute state first.
if(mute())
{
//Un-mute the backend.
setMute(false);
}
//Check the volume size.
if(volumeSize<minimalVolume())
{
volumeSize=minimalVolume();
}
else if(volumeSize>maximumVolume())
{
volumeSize=maximumVolume();
}
//Sync the thread volume.
synchronizeThreadVolume(volumeSize);
}
void VolumeControl::handleLongListeningTime(int listeningTime)
{
setWarningAcknowledged(false);
setWindowVisible(true);
int newVolume = qBound(0, volume_, warningAcknowledged() ? maximumVolume() : safeVolume());
if (newVolume != volume_) {
pulseAudioControl->setVolume(volume_);
emit volumeChanged();
}
emit showAudioWarning(listeningTime == 0);
}
void VolumeControl::changeVolume()
{
int newVolume = qBound(0, volume_ + volumeChange, warningAcknowledged() ? maximumVolume() : safeVolume());
if (newVolume != volume_) {
volume_ = newVolume;
pulseAudioControl->setVolume(volume_);
emit volumeChanged();
}
setWindowVisible(true);
if (!warningAcknowledged() && safeVolume_ != 0 && volume_ >= safeVolume_) {
emit showAudioWarning(false);
}
emit volumeKeyPressed();
}
void VolumeControl::handleHighVolume(int safeLevel)
{
if (safeVolume_ != safeLevel) {
safeVolume_ = safeLevel;
emit safeVolumeChanged();
}
int newVolume = qBound(0, volume_, warningAcknowledged() ? maximumVolume() : safeVolume());
if (newVolume != volume_) {
pulseAudioControl->setVolume(volume_);
emit volumeChanged();
}
if (!warningAcknowledged() && safeVolume_ != 0 && volume_ >= safeVolume_) {
setWindowVisible(true);
emit showAudioWarning(false);
}
}
int VolumeControl::safeVolume() const
{
return safeVolume_ == 0 ? maximumVolume() : safeVolume_;
}
