public Task RemovePageAsync(PopupPage page, bool animate = true)
{
lock (_locker)
{
if (page == null)
{
return(Task.CompletedTask);
}
if (!_popupStack.Contains(page))
{
return(Task.CompletedTask);
}
if (page.DisappearingTransactionTask != null)
{
return(page.DisappearingTransactionTask);
}
var task = InvokeThreadSafe(async() =>
{
if (page.AppearingTransactionTask != null)
{
await page.AppearingTransactionTask;
}
lock (_locker)
{
if (!_popupStack.Contains(page))
{
return;
}
}
animate = CanBeAnimated(animate);
if (animate)
{
await page.DisappearingAnimation();
}
await RemoveAsync(page);
if (animate)
{
page.DisposingAnimation();
}
lock (_locker)
{
_popupStack.Remove(page);
page.DisappearingTransactionTask = null;
}
});
page.DisappearingTransactionTask = task;
Popped?.Invoke(this, new NavigationEventArgs(page));
return(task);
}
}
