private void OnScrollChanged(object sender, ScrollChangedEventArgs e)
{
var scrollViewer = (ScrollViewer)sender;
if (scrollViewer.HorizontalOffset == scrollViewer.ScrollableWidth)
{
if (!IsReachedRight)
{
//Request data here
Console.WriteLine("Media conversation id: " + ConversationID);
var app = MainWindow.chatApplication;
if (!String.IsNullOrEmpty(ConversationID) && app.model.Conversations.ContainsKey(ConversationID) &&
app.model.Conversations[ConversationID] != null)
{
if (app.model.Conversations[ConversationID].LastMediaID >= 0)
{
GetMediaFromConversation packet = new GetMediaFromConversation();
packet.ConversationID = ConversationID;
packet.MediaPosition = app.model.Conversations[ConversationID].LastMediaID;
packet.Quantity = 5;
_ = ChatConnection.Instance.Send(packet);
app.model.Conversations[ConversationID].LastMediaID -= 5;
}
}
}
}
}
public void LoadMedia(string conversationID, bool firstTime)
{
Console.WriteLine("Load media");
var app = MainWindow.chatApplication;
if (app.model.Conversations[conversationID].LastMediaID < 0)
{
return;
}
GetMediaFromConversation packet = new GetMediaFromConversation();
packet.ConversationID = conversationID;
packet.MediaPosition = app.model.Conversations[conversationID].LastMediaID;
packet.Quantity = 10;
app.model.Conversations[conversationID].LastMediaID -= firstTime ? 0 : 10;
_ = ChatConnection.Instance.Send(packet);
}
public void FillGallery()
{
if (GalleryScroller.ComputedHorizontalScrollBarVisibility != Visibility.Visible && !IsReachedRight)
{
Console.WriteLine("Media conversation id: " + ConversationID);
var app = MainWindow.chatApplication;
if (!String.IsNullOrEmpty(ConversationID) && app.model.Conversations.ContainsKey(ConversationID) &&
app.model.Conversations[ConversationID] != null)
{
if (app.model.Conversations[ConversationID].LastMediaID >= 0)
{
GetMediaFromConversation packet = new GetMediaFromConversation();
packet.ConversationID = ConversationID;
packet.MediaPosition = app.model.Conversations[ConversationID].LastMediaID;
packet.Quantity = 15;
_ = ChatConnection.Instance.Send(packet);
app.model.Conversations[ConversationID].LastMediaID -= 15;
}
}
}
}
