protected async override Task <string> Register(Installation installation, IUPSHttpClient client)
{
this.installation = installation;
this.client = client;
HttpNotificationChannel channel;
string channelName = "ToastChannel";
channel = HttpNotificationChannel.Find(channelName);
if (channel == null)
{
channel = new HttpNotificationChannel(channelName);
}
var tcs = new TaskCompletionSource <string>();
channel.ChannelUriUpdated += async(s, e) =>
{
ChannelStore channelStore = new ChannelStore();
if (!e.ChannelUri.ToString().Equals(channelStore.Read()))
{
installation.deviceToken = e.ChannelUri.ToString();
await client.register(installation);
channelStore.Save(installation.deviceToken);
tcs.TrySetResult(installation.deviceToken);
}
};
channel.ErrorOccurred += (s, e) =>
{
tcs.TrySetException(new Exception(e.Message));
};
channel.ShellToastNotificationReceived += new EventHandler <NotificationEventArgs>(PushChannel_ShellToastNotificationReceived);
channel.Open();
channel.BindToShellToast();
return(await tcs.Task);
}
