public void Delete()
{
if (CurrentItem == null)
{
return;
}
if (DialogDetails == null)
{
return;
}
var currentItem = CurrentItem;
DialogDetails.DeleteMessageById(
currentItem,
() =>
{
Execute.BeginOnUIThread(TimeSpan.FromSeconds(0.1), () =>
{
if (CanSlideRight)
{
var view = GetView() as ImageViewerView;
if (view != null)
{
_items.RemoveAt(_currentIndex--);
view.SlideRight(0.0, () =>
{
view.SetControlContent(2, NextItem);
GroupedItems.Remove(currentItem);
});
}
}
else if (CanSlideLeft)
{
var view = GetView() as ImageViewerView;
if (view != null)
{
_items.RemoveAt(_currentIndex);
view.SlideLeft(0.0, () =>
{
view.SetControlContent(0, PreviousItem);
GroupedItems.Remove(currentItem);
});
}
}
else
{
Execute.BeginOnUIThread(TimeSpan.FromSeconds(0.25), CloseViewer);
}
});
});
}
public void DeletePhoto()
{
if (_currentContact == null || !_currentContact.IsSelf)
{
return;
}
if (CurrentItem == null)
{
return;
}
var currentItem = CurrentItem;
IsWorking = true;
MTProtoService.UpdateProfilePhotoAsync(new TLInputPhotoEmpty(),
result =>
{
Execute.BeginOnUIThread(TimeSpan.FromSeconds(0.1), () =>
{
IsWorking = false;
if (CanSlideLeft)
{
var view = GetView() as ProfilePhotoViewerView;
if (view != null)
{
_items.RemoveAt(_currentIndex--);
view.SlideLeft(0.0, () =>
{
view.SetControlContent(0, PreviousItem);
GroupedItems.Remove(currentItem);
});
}
}
else
{
Execute.BeginOnUIThread(TimeSpan.FromSeconds(0.25), CloseViewer);
}
});
},
error =>
{
IsWorking = false;
Execute.ShowDebugMessage("photos.updateProfilePhoto error " + error);
});
}
private void OnItemRemovedImpl(T item)
{
(TGroupedItem currentGroupedItem, _) = GetGroupedItemByKey(item);
if (currentGroupedItem != null)
{
if (currentGroupedItem.Contains(item) && currentGroupedItem.Count == 1)
{
GroupedItems.Remove(currentGroupedItem);
}
currentGroupedItem.Remove(item);
}
if (IsPostNotifiable)
{
(item as INotifyPropertyChanged).PropertyChanged -=
CollectionGrouper_PropertyChanged;
}
}