/// <summary>
/// Add one RB Conversation in the ViewModel
/// </summary>
/// <param name="rbConversation">a Rainbow Conversation object</param>
private void AddRBConversationToModel(Rainbow.Model.Conversation rbConversation)
{
if (rbConversation != null)
{
// Now add it to the model
ConversationModel newConversation;
newConversation = Helper.GetConversationFromRBConversation(rbConversation);
if (newConversation != null)
{
newConversation.SelectionCommand = DynamicList.SelectedItemCommand;
AddConversationToModel(newConversation);
}
}
}
private void UpdateRBConversationToModel(Rainbow.Model.Conversation rbConversation)
{
// Ensure to be on Main UI Thread
if (!MainThread.IsMainThread)
{
MainThread.BeginInvokeOnMainThread(() => UpdateRBConversationToModel(rbConversation));
return;
}
log.LogDebug("[UpdateRBConversationToModel] - IN");
if (rbConversation != null)
{
// Now add it to the model
ConversationModel newConversation = Helper.GetConversationFromRBConversation(rbConversation);
newConversation.SelectionCommand = DynamicList.SelectedItemCommand;
ConversationModel oldConversation = GetConversationById(newConversation.Id);
if (oldConversation == null)
{
AddConversationToModel(newConversation);
}
else
{
lock (lockObservableConversations)
{
Boolean needChangeOrder = (oldConversation.LastMessageDateTime != newConversation.LastMessageDateTime);
oldConversation.Id = newConversation.Id;
oldConversation.Peer = newConversation.Peer;
oldConversation.NbMsgUnread = newConversation.NbMsgUnread;
oldConversation.LastMessage = newConversation.LastMessage;
oldConversation.LastMessageDateTime = newConversation.LastMessageDateTime;
if (needChangeOrder)
{
int oldIndex = 0;
int newIndex = -1;
int nb = DynamicList.Items.Count;
// Get old Index
for (int i = 0; i < nb; i++)
{
if (DynamicList.Items[i].Id == oldConversation.Id)
{
oldIndex = i;
break;
}
}
// Try to update order only if are not already the first row
if (oldIndex != 0)
{
// Get new Index
for (int i = 0; i < nb; i++)
{
if (oldConversation.LastMessageDateTime.ToUniversalTime() > DynamicList.Items[i].LastMessageDateTime.ToUniversalTime())
{
newIndex = i;
break;
}
}
// If we have found no new index, we need to move it to the end
if (newIndex == -1)
{
newIndex = nb - 1;
}
// Update order only if indexes are different
if (oldIndex != newIndex)
{
DynamicList.Items.Move(oldIndex, newIndex);
}
log.LogDebug("[UpdateRBConversationToModel] MOVED - oldIndex:[{0}] - newIndex:[{1}] - nb:[{2}] - TopDate:[{3}] - LastMessageDateTime:[{4}]", oldIndex, newIndex, nb, DynamicList.Items[0].LastMessageDateTime.ToString("o"), oldConversation.LastMessageDateTime.ToString("o"));
}
else
{
log.LogDebug("[UpdateRBConversationToModel] NOT MOVED - oldIndex:[{0}] - nb:[{1}] - TopDate:[{2}] - LastMessageDateTime:[{3}]", oldIndex, nb, DynamicList.Items[0].LastMessageDateTime.ToString("o"), oldConversation.LastMessageDateTime.ToString("o"));
}
}
}
// Check if we need to update the view due to DateTime purpose
CheckIfUpdateModelForDateTimePurpose(newConversation.LastMessageDateTime);
}
}
log.LogDebug("[UpdateRBConversationToModel] - OUT");
}