public async Task <ZoneVolume> GetVolume()
{
var isMuteActionResult =
await
CurrentCoordinator.MediaRenderer.RenderingControl1Service.GetMute(0, AargtypeMuteChannelEnum.Master).ConfigureAwait(false);
if (isMuteActionResult.Exception != null)
{
return(new ZoneVolume(null, new ZoneMute(null)));
}
var zoneMute = new ZoneMute(isMuteActionResult.Result);
ActionResult volumeActionResult =
await CurrentCoordinator.MediaRenderer.RenderingControl1Service.GetVolume(0,
AargtypeChannelEnum.Master);
if (volumeActionResult.Exception != null)
{
return(new ZoneVolume(null, new ZoneMute(null)));
}
var zoneVolume = new ZoneVolume(volumeActionResult.Result, zoneMute);
return(zoneVolume);
}
private async Task Poll()
{
while (CurrentCoordinator != null)
{
var sw = new Stopwatch();
sw.Start();
var volume = await GetVolume();
var positionInfo = await GetPositionInfo();
var transportState = await GetTransportInfo();
if (_volume == null)
{
Debug.WriteLine("Volume = null");
}
else
{
Debug.WriteLine("volume: {0}, ismuted: {1}", volume.Volume, volume.IsMuted);
}
// volume
if (_volume == null ||
_volume.Volume != volume.Volume ||
_volume.IsMuted != volume.IsMuted)
{
_volume = volume;
_messageBus.Send(new VolumeChangedMessage {
ZoneVolume = volume
});
}
// position info
if (_positionInfo == null ||
_positionInfo.Track.Title != positionInfo.Track.Title ||
_positionInfo.Track.AlbumTitle != positionInfo.Track.Artist ||
_positionInfo.Track.ImageUri != positionInfo.Track.ImageUri)
{
_positionInfo = positionInfo;
_messageBus.Send(new PositionInfoChangedMessage {
PositionInfo = positionInfo
});
}
// transport info
if (transportState.TransportState != CurrentTransportState)
{
CurrentTransportState = transportState.TransportState;
_messageBus.Send(new TransportStateChangedMessage {
TransportState = transportState.TransportState
});
}
sw.Stop();
Debug.WriteLine("ZoneService poll {0} ms", sw.ElapsedMilliseconds);
var timeout = 1000 - (int)sw.ElapsedMilliseconds;
if (timeout < 0)
{
timeout = 1000;
}
await Task.Delay(timeout)
.ConfigureAwait(false);
}
}
private void SetVolumeUri(ZoneVolume zoneVolume)
{
int volume = zoneVolume.IsMuted ? 0 : zoneVolume.Volume;
SetVolumeUri(volume);
}
