/// <summary>
/// Handles device property changes
/// </summary>
void HandleDeviceUpdated(object sender, DeviceUpdatedEventArgs e)
{
var listDevice = Devices.FirstOrDefault(p => p.UserDeviceId == e.Device.UserDeviceId);
if (listDevice == SelectedDevice)
{
foreach (var prop in e.Properties)
{
var listItemProp = SelectedDeviceProperties.FirstOrDefault(p => p.Name == prop.Name);
if (listItemProp != null)
{
// Update existing item
listItemProp.Name = prop.Name;
listItemProp.Value = prop.Value;
MessagingCenter.Send(this, PropertyUpdatedMessage, prop);
}
else
{
// Add new property
SelectedDeviceProperties.Add(prop);
}
}
}
}
/// <summary>
/// Loads device data/properties
/// </summary>
async Task LoadDevicePropertiesAsync(DeviceModel device)
{
if (device == null)
{
SelectedDeviceProperties.Clear();
IsLoadingDeviceProperties = false;
IsDevicePropertiesVisible = !IsLoadingDeviceProperties;
return;
}
IsLoadingDeviceProperties = true;
IsDevicePropertiesVisible = !IsLoadingDeviceProperties;
bool lightInterface = false;
try
{
// find device in list and update
var props = await DeviceDriveManager.Current.GetDevicePropertiesAsync(device);
if (props != null)
{
if (props.Count() != SelectedDeviceProperties.Count())
{
SelectedDeviceProperties.Clear();
foreach (var prop in props)
{
if (prop.InterfaceName.Equals("com.devicedrive.light"))
{
lightInterface = true;
}
if (prop.Name.ToLower().Equals("switch"))
{
LightBulbSwitch = prop.Value.Equals("1");
}
if (prop.Name.ToLower().Equals("intensity"))
{
LightBulbIntensity = (int)Math.Round(Double.Parse(prop.Value, CultureInfo.InvariantCulture));
}
SelectedDeviceProperties.Add(prop);
}
}
else
{
foreach (var prop in props)
{
System.Diagnostics.Debug.WriteLine("Updating " + prop.Name + " = " + prop.Value);
var listItemProp = SelectedDeviceProperties.FirstOrDefault(p => p.Name == prop.Name);
if (listItemProp != null)
{
listItemProp.Name = prop.Name;
listItemProp.Value = prop.Value;
if (prop.Name.ToLower().Equals("switch"))
{
LightBulbSwitch = prop.Value.Equals("1");
}
if (prop.Name.ToLower().Equals("intensity"))
{
LightBulbIntensity = (int)Math.Round(Double.Parse(prop.Value, CultureInfo.InvariantCulture));
}
MessagingCenter.Send(this, PropertyUpdatedMessage, prop);
}
}
}
}
}
finally
{
IsLoadingDeviceProperties = false;
IsDevicePropertiesVisible = !IsLoadingDeviceProperties;
IsLightBulbVisible = lightInterface;
}
}