void INetworkObserver.OnHypeInstanceResolved(Instance instance)
{
Debug.WriteLine(String.Format("Hype instance resolved: {0}", instance.GetStringIdentifier()));
// Creates a new contact to add to the contacts list
Contact contact = new Contact()
{
Identifier = instance.GetStringIdentifier(), Name = "Description not available"
};
IContactDelegate contactDelegate = GetContactDelegate();
// Instances should be strongly kept by some data structure. Their identifiers
// are useful for keeping track of which instances are ready to communicate.
Stores.Add(instance.GetStringIdentifier(), new Store(instance));
// Save the contact before reloading the contacts page (ContactPage)
Contacts.Add(contact);
// Notify the contacts delegate (if any) that a new contact is available, which may
// cause the contact page to reload.
if (contactDelegate != null)
{
contactDelegate.OnAddContact(contact);
}
}
void IMessageObserver.OnHypeMessageReceived(Message message, Instance instance)
{
Debug.WriteLine(String.Format("Hype Got a message from: {0}", instance.GetStringIdentifier()));
IChatDelegate chatDelegate = GetChatDelegate();
Store store = Stores[instance.GetStringIdentifier()];
string text = System.Text.Encoding.UTF8.GetString(message.GetData().ToArray());
store.Add(text);
// Notify the chat delegate, causing the the conversation to be updated
if (chatDelegate != null)
{
chatDelegate.OnMessageReceived(message);
}
else
{
// Notify the contacts delegate so that an indicator of new contact is shown
// at the front of the sender's contact. This is shown as a green circle.
IContactDelegate contactDelegate = GetContactDelegate();
if (contactDelegate != null)
{
contactDelegate.NotifyNewMessage(GetContactIndex(instance.GetStringIdentifier()));
}
}
}
void INetworkObserver.OnHypeInstanceLost(Instance instance, Error error)
{
Debug.WriteLine(String.Format("Hype lost instance: {0} [{1}]", instance.GetStringIdentifier(), error.GetDescription()));
// Cleaning up is always a good idea. It's not possible to communicate with instances
// that were previously lost.
Stores.Remove(instance.GetStringIdentifier());
// Update the contact list by dropping the lost contact
int index = GetContactIndex(instance.GetStringIdentifier());
Contacts.RemoveAt(index);
// Notifying the contact delegate, which may cause the contacts page to reload.
IContactDelegate contactDelegate = GetContactDelegate();
if (contactDelegate != null)
{
contactDelegate.OnRemoveContact(index);
}
}
public void SetContactDelegate(IContactDelegate contactDelegate)
{
this._contactDelegate = new WeakReference <IContactDelegate>(contactDelegate);
}
