public static async Task <Color> GetStationBackgroundDominantColorAsync(StationItem station)
{
if (station == null)
{
throw new ArgumentNullException(nameof(station));
}
if (station.Background == null)
{
return(Colors.Transparent);
}
string colorKey = "BgColor|" + station.Name;
Color color = default(Color);
if (await CookieJar.DeviceCache.ContainsObjectAsync(colorKey))
{
var hexCode = await CookieJar.DeviceCache.PeekObjectAsync <string>(colorKey);
return(ColorUtilities.ParseFromHexString(hexCode));
}
IRandomAccessStreamWithContentType stationBgStream = null;
try
{
var streamRef = RandomAccessStreamReference.CreateFromUri(new Uri(station.Background));
stationBgStream = await streamRef.OpenReadAsync();
color = await ColorUtilities.GetDominantColorAsync(stationBgStream);
}
catch (Exception ex)
{
Dictionary <string, string> data = new Dictionary <string, string>();
data.Add("StationName", station.Name);
data.Add("StationBackgroundURL", station.Background?.ToString());
data.Add("StationURL", station.Site);
Microsoft.HockeyApp.HockeyClient.Current.TrackException(ex, data);
}
finally
{
stationBgStream?.Dispose();
}
await CookieJar.DeviceCache.PushObjectAsync <string>(colorKey, color.ToString());
return(color);
}
private async Task <StationItem> ConvertStationElementToStationAsync(XElement stationElement)
{
var streams = stationElement.Element("Streams").Elements("Stream").Select <XElement, StationStream>(x =>
{
var stream = new StationStream(new Uri(x.Value));
stream.ContentType = x.Attribute("ContentType")?.Value;
if (x.Attribute("Bitrate") != null)
{
stream.Bitrate = int.Parse(x.Attribute("Bitrate")?.Value);
}
if (x.Attribute("RelativePath") != null)
{
stream.RelativePath = x.Attribute("RelativePath")?.Value;
}
if (x.Attribute("ServerType") != null)
{
stream.ServerFormat = (StationStreamServerFormat)Enum.Parse(typeof(StationStreamServerFormat), x.Attribute("ServerType").Value);
}
if (x.Attribute("RequestMetadata") != null)
{
stream.RequestMetadata = bool.Parse(x.Attribute("RequestMetadata").Value);
}
else
{
//defaults to true
stream.RequestMetadata = true;
}
return(stream);
}).ToArray();
var stationLogoData = await NepApp.CacheManager.GetOrCacheUriAsync(NepAppDataCacheManager.CacheType.StationImages, new Uri(stationElement.Element("Logo").Value));
Uri stationLogoUri = stationLogoData.Item1;
if (stationLogoData.Item2 != null)
{
stationLogoUri = new Uri(stationLogoData.Item2.Path);
}
var station = new StationItem(
name: stationElement.Element("Name").Value,
description: stationElement.Element("Description").Value,
stationLogo: stationLogoUri,
streams: streams);
station.StationLogoUrlOnline = new Uri(stationElement.Element("Logo").Value);
if (stationElement.Element("Programs") != null)
{
station.Programs = stationElement.Element("Programs").Elements("Program").Select <XElement, StationProgram>(x =>
{
var program = new StationProgram();
program.Name = x.Attribute("Name")?.Value;
program.Station = station.Name;
if (x.Attribute("Style") != null)
{
program.Style = (StationProgramStyle)Enum.Parse(typeof(StationProgramStyle), x.Attribute("Style").Value);
}
else
{
program.Style = StationProgramStyle.Hosted;
}
if (program.Style == StationProgramStyle.Hosted)
{
//hosted programs rely on the "artist" string (from song metadata) to match in order to activate.
program.Host = x.Attribute("Host")?.Value;
program.HostRegexExpression = x.Attribute("HostExp")?.Value;
}
else if (program.Style == StationProgramStyle.Block)
{
//block programs are activated based on the time and the current station.
}
if (x.HasElements)
{
if (x.Elements("Listing") != null)
{
//if the program has an actual schedule (e.g. always occur on a certain day around a certain time), grab its time listings.
var listings = new List <StationProgramTimeListing>();
foreach (var listingElement in x.Elements("Listing"))
{
try
{
StationProgramTimeListing listing = new StationProgramTimeListing();
listing.Day = (DayOfWeek)Enum.Parse(typeof(DayOfWeek), listingElement.Attribute("Day").Value);
listing.Time = DateTime.Parse(listingElement.Attribute("Time").Value);
if (listingElement.Attribute("EndTime") != null)
{
listing.EndTime = DateTime.Parse(listingElement.Attribute("EndTime").Value);
}
listings.Add(listing);
}
#if !DEBUG
catch (Exception ex)
{
Microsoft.HockeyApp.HockeyClient.Current.TrackException(ex);
#else
catch (Exception)
{
#endif
}
}
program.TimeListings = listings.ToArray();
}
}
return(program);
}).ToArray();
}
else
{
station.Programs = null;
}
if (stationElement.Element("Background") != null)
{
var backgroundElement = stationElement.Element("Background");
station.Background = backgroundElement.Value;
}
station.Site = stationElement.Element("Site").Value;
station.Genres = stationElement.Element("Genres").Value.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
station.PrimaryLocale = stationElement.Element("PrimaryLocale")?.Value;
if (stationElement.Element("StationMessages") == null)
{
station.StationMessages = new string[] { };
}
else
{
var stationMsgElement = stationElement.Element("StationMessages");
var messages = stationMsgElement.Elements("Message").Select(x => x.Value.ToString()).ToArray();
station.StationMessages = messages;
}
station.Group = stationElement.Element("StationGroup")?.Value;
return(station);
}