MessageView GetNextMessage()
{
MessageView message = null;
if (!DiscardRepeated)
{
return(MessageBarQueue.Dequeue());
}
while (MessageBarQueue.Count > 0)
{
message = MessageBarQueue.Dequeue();
if (IsEqualLastMessage(message))
{
message = null;
}
else
{
break;
}
}
lastMessage = message;
return(message);
}
void ShowNextMessage()
{
if (MessageBarQueue.Count > 0)
{
MessageVisible = true;
MessageView messageView = MessageBarQueue.Dequeue();
messageView.Frame = new RectangleF(0, -messageView.Height, messageView.Width, messageView.Height);
messageView.Hidden = false;
messageView.SetNeedsDisplay();
var gest = new UITapGestureRecognizer(MessageTapped);
messageView.AddGestureRecognizer(gest);
if (messageView == null)
{
return;
}
UIView.Animate(DismissAnimationDuration,
() =>
messageView.Frame = new RectangleF(messageView.Frame.X,
MessageBarOffset + messageView.Frame.Y + messageView.Height,
messageView.Width, messageView.Height)
);
//Need a better way of dissmissing the method
var dismiss = new Timer(DismissMessage, messageView, TimeSpan.FromSeconds(DisplayDelay),
TimeSpan.FromMilliseconds(-1));
}
}
/// <summary>
/// Shows the message
/// </summary>
/// <param name="title">Messagebar title</param>
/// <param name="description">Messagebar description</param>
/// <param name="type">Message type</param>
/// <param name = "onDismiss">OnDismiss callback</param>
public void ShowMessage(string title, string description, MessageType type, Action onDismiss)
{
var messageView = new MessageView(title, description, type);
messageView.StylesheetProvider = this;
messageView.OnDismiss = onDismiss;
messageView.Hidden = true;
UIApplication.SharedApplication.KeyWindow.InsertSubview(messageView, 1);
MessageBarQueue.Enqueue(messageView);
if (!MessageVisible)
{
ShowNextMessage();
}
}
/// <summary>
/// Hides all messages
/// </summary>
public void HideAll()
{
MessageView currentMessageView = null;
var subviews = MessageWindowView.Subviews;
foreach (UIView subview in subviews)
{
var view = subview as MessageView;
if (view != null)
{
currentMessageView = view;
currentMessageView.RemoveFromSuperview();
}
}
MessageVisible = false;
MessageBarQueue.Clear();
CancelPreviousPerformRequest(this);
}
