public void Run(IBackgroundTaskInstance taskInstance)
{
using (new BackgroundTaskDeferralWrapper(taskInstance.GetDeferral()))
{
try
{
var rawNotification = (RawNotification)taskInstance.TriggerDetails;
var rawContent = rawNotification.Content;
var serializedParameter =
rawContent.Substring(rawContent.IndexOf(" ", StringComparison.CurrentCultureIgnoreCase) + 1);
var type = typeof(RelayMessage);
var message = (RelayMessage)JsonConvert.Deserialize(serializedParameter, type);
if (message == null)
{
return;
}
var isTimeout = (DateTimeOffset.UtcNow - message.SentDateTimeUtc).TotalSeconds > 60;
if (message.Tag == RelayMessageTags.VoipCall)
{
if (isTimeout)
{
return;
}
ToastNotificationService.ShowInstantMessageNotification(message.FromName, message.FromUserId, AvatarLink.EmbeddedLinkFor(message.FromAvatar),
$"Missed call at {message.SentDateTimeUtc.ToLocalTime()}.");
}
else if (message.Tag == RelayMessageTags.InstantMessage)
{
if (isTimeout || SignaledRelayMessages.IsMessageReceived(message.Id))
{
return;
}
ToastNotificationService.ShowInstantMessageNotification(message.FromName, message.FromUserId,
AvatarLink.EmbeddedLinkFor(message.FromAvatar), message.Payload);
SignaledRelayMessages.AddPushNotificationMessageID(message.Id);
SignaledRelayMessages.Add(message);
}
}
catch (Exception)
{
}
}
}
public void ServerRelay(RelayMessage message)
{
ClientConfirmation(Confirmation.For(message));
SignaledRelayMessages.Add(message);
var shownUserId = _foregroundChannel.GetShownUserId();
if (message.Tag == RelayMessageTags.InstantMessage &&
!SignaledRelayMessages.IsPushNotificationReceived(message.Id) &&
!(shownUserId != null && shownUserId.Equals(message.FromUserId)) &&
(DateTimeOffset.UtcNow.Subtract(message.SentDateTimeUtc).TotalMinutes < 10))
{
ToastNotificationService.ShowInstantMessageNotification(message.FromName,
message.FromUserId, AvatarLink.EmbeddedLinkFor(message.FromAvatar), message.Payload);
}
_foregroundChannel?.OnSignaledRelayMessagesUpdated();
// Handle Voip tags
if (message.Tag == RelayMessageTags.VoipCall)
{
_voipChannel.OnIncomingCall(message);
}
else if (message.Tag == RelayMessageTags.VoipAnswer)
{
_voipChannel.OnOutgoingCallAccepted(message);
}
else if (message.Tag == RelayMessageTags.VoipReject)
{
_voipChannel.OnOutgoingCallRejected(message);
}
else if (message.Tag == RelayMessageTags.SdpOffer)
{
_voipChannel.OnSdpOffer(message);
}
else if (message.Tag == RelayMessageTags.SdpAnswer)
{
_voipChannel.OnSdpAnswer(message);
}
else if (message.Tag == RelayMessageTags.IceCandidate)
{
_voipChannel.OnIceCandidate(message);
}
else if (message.Tag == RelayMessageTags.VoipHangup)
{
_voipChannel.OnRemoteHangup(message);
}
}