public ConversationViewModel(FriendViewModel friendViewModel)
{
_friendViewModel = friendViewModel;
MessageGroups = new ObservableCollection<MessageGroupViewModel>();
ToxModel.Instance.FriendMessageReceived += FriendMessageReceivedHandler;
ToxModel.Instance.FriendTypingChanged += FriendTypingChangedHandler;
}
public ReceivedMessageViewModel(string text, DateTime timestamp, ToxMessageType messageType,
FriendViewModel sender)
{
Text = text;
Timestamp = timestamp;
MessageType = messageType;
Sender = sender;
State = MessageDeliveryState.Delivered;
}
protected void TryRemovePreviousMessageFromFriend(FriendViewModel friendToSearchFor)
{
foreach (var message in RecentMessages)
{
var actFriend = (FriendViewModel) message.Sender;
if (actFriend.FriendNumber == friendToSearchFor.FriendNumber)
{
RecentMessages.Remove(message);
return;
}
}
}
public SentMessageViewModel(string text, DateTime timestamp, ToxMessageType messageType, int id,
FriendViewModel target)
{
Text = text;
Timestamp = timestamp;
MessageType = messageType;
Sender = new UserViewModel();
State = MessageDeliveryState.Pending;
Id = id;
_target = target;
ToxModel.Instance.ReadReceiptReceived += ReadReceiptReceivedHandler;
ToxModel.Instance.FriendConnectionStatusChanged += FriendConnectionStatusChangedHandler;
SetupAndStartResendTimer();
}
/// The methods provided in this section are simply used to allow
/// NavigationHelper to respond to the page's navigation methods.
///
/// Page specific logic should be placed in event handlers for the
/// <see cref="Common.NavigationHelper.LoadState" />
/// and
/// <see cref="Common.NavigationHelper.SaveState" />
/// .
/// The navigation parameter is available in the LoadState method
/// in addition to page state preserved during an earlier session.
protected override void OnNavigatedTo(NavigationEventArgs e)
{
NavigationHelper.OnNavigatedTo(e);
var friendViewModel = e.Parameter as FriendViewModel;
if (friendViewModel != null)
{
DataContext = _friendViewModel = friendViewModel;
SetupView();
}
else
{
throw new ArgumentException(
"Navigated to ChatPage with wrong type of parameter or with null! An object with the type of FriendViewModel is expected.");
}
}