private void SendMessageDelayed(Crouton crouton, Int64 messageId, long delay)
{
Message message = ObtainMessage((int)messageId);
message.Obj = crouton;
SendMessageDelayed(message, delay);
}
public void RemoveCrouton(Crouton crouton)
{
View croutonView = crouton.GetView();
var croutonParentView = (ViewGroup)croutonView.Parent;
if (null != croutonParentView)
{
croutonView.StartAnimation(crouton.GetOutAnimation());
// Remove the Crouton from the queue.
var removed = (Crouton)_croutonQueue.Poll();
// Remove the crouton from the view's parent.
croutonParentView.RemoveView(croutonView);
if (null != removed)
{
removed.DetachActivity();
removed.OnRemoved();
removed.DetachLifecycleCallback();
}
// Send a message to display the next crouton but delay it by the out
// animation duration to Make sure it finishes
SendMessageDelayed(crouton, DISPLAY_CROUTON, crouton.GetOutAnimation().Duration);
}
}
private void SendMessage(Crouton crouton, int messageId)
{
Message message = ObtainMessage(messageId);
message.Obj = crouton;
SendMessage(message);
}
private long CalculateCroutonDuration(Crouton crouton)
{
long croutonDuration = crouton.DurationInMilliseconds;
croutonDuration += crouton.GetInAnimation().Duration;
croutonDuration += crouton.GetOutAnimation().Duration;
return(croutonDuration);
}
public Task <bool> Notify(ToastNotificationType type, string title, string description, TimeSpan duration, object context = null)
{
var taskCompletionSource = new TaskCompletionSource <bool>();
Activity currentActivity = Xamarin.Forms.Forms.Context as Activity;
if (currentActivity == null)
{
return(Task.FromResult(false));
}
View view = _customRenderer.Render(currentActivity, type, title, description, context);
Crouton crouton = new Crouton(currentActivity, view, (int)duration.TotalMilliseconds, b => taskCompletionSource.TrySetResult(b), context);
crouton.Show();
return(taskCompletionSource.Task);
}
private void AddCroutonToView(Crouton crouton)
{
// don't Add if it is already showing
if (crouton.IsShowing())
{
return;
}
View croutonView = crouton.GetView();
if (null == croutonView.Parent)
{
ViewGroup.LayoutParams parameters = croutonView.LayoutParameters;
if (null == parameters)
{
parameters = new ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.WrapContent);
}
Activity activity = crouton.GetActivity();
if (null == activity || activity.IsFinishing)
{
return;
}
HandleTranslucentActionBar((ViewGroup.MarginLayoutParams)parameters, activity);
HandleActionBarOverlay((ViewGroup.MarginLayoutParams)parameters, activity);
activity.AddContentView(croutonView, parameters);
}
croutonView.RequestLayout(); // This is needed so the animation can use the measured with/height
ViewTreeObserver observer = croutonView.ViewTreeObserver;
if (null != observer)
{
CallOnGlobalLayout(crouton, croutonView);
}
}
private void CallOnGlobalLayout(Crouton crouton, View croutonView)
{
var layoutListener = new GlobalLayoutListener();
layoutListener.OnGlobalLayout(delegate
{
if (Build.VERSION.SdkInt < Build.VERSION_CODES.JellyBean)
{
croutonView.ViewTreeObserver.RemoveGlobalOnLayoutListener(layoutListener);
}
else
{
croutonView.ViewTreeObserver.RemoveOnGlobalLayoutListener(layoutListener);
}
if (crouton.GetInAnimation() != null)
{
croutonView.StartAnimation(crouton.GetInAnimation());
AnnounceForAccessibilityCompat(crouton.GetActivity(), crouton.DataContext == null ? "NULL" : crouton.DataContext.ToString());
SendMessageDelayed(crouton, REMOVE_CROUTON,
crouton.DurationInMilliseconds + crouton.GetInAnimation().Duration);
}
});
}
public void Add(Crouton crouton)
{
_croutonQueue.Add(crouton);
DisplayCrouton();
}