void LoadAdUnit(ActiveAdUnit newAdUnit, ICollection <ICreative> creativeSet)
{
// load companions
CompanionAdsRequired required = CompanionAdsRequired.None;
IEnumerable <ICompanionSource> companionsToLoad = Enumerable.Empty <ICompanionSource>();
var companions = creativeSet.OfType <CreativeCompanions>().FirstOrDefault();
if (companions != null)
{
companionsToLoad = companions.Companions.Cast <ICompanionSource>();
required = companions.Required;
}
else
{
// VPAID 2.0 supports companions that come from the VPAID player.
// these are only to be used with the VAST file contains none.
if (newAdUnit.Player is IVpaid2)
{
var companionData = ((IVpaid2)newAdUnit.Player).AdCompanions;
if (!string.IsNullOrEmpty(companionData))
{
CreativeCompanions vpaidCompanions;
using (var stream = companionData.ToStream())
{
vpaidCompanions = AdModelFactory.CreateCompanionsFromVast(stream);
}
companionsToLoad = vpaidCompanions.Companions.Cast <ICompanionSource>();
required = vpaidCompanions.Required;
}
}
}
try
{
OnActivateAd(newAdUnit, companionsToLoad, required);
}
catch (Exception ex)
{
throw new LoadException(ex);
}
}
static async Task ProcessPayload(IAdSource adSource)
{
if (adSource.Payload is Stream)
{
using (var stream = (Stream)adSource.Payload)
{
adSource.Payload = await AdModelFactory.CreateFromVast(stream, adSource.MaxRedirectDepth, adSource.AllowMultipleAds);
}
}
else if (adSource.Payload is string)
{
using (var stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes((string)adSource.Payload)))
{
adSource.Payload = await AdModelFactory.CreateFromVast(stream, adSource.MaxRedirectDepth, adSource.AllowMultipleAds);
}
}
if (!(adSource.Payload is AdDocumentPayload))
{
throw new ArgumentException("adSource must contain a payload of type Stream", "adPayload");
}
}