protected void UpdateLoadedMediaItems(MediaItem mediaItem, ContentDirectoryMessaging.MediaItemChangeType changeType)
{
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.None)
{
return;
}
bool changed = false;
lock (_syncObj)
{
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.Deleted)
{
PlayableMediaItem existingItem = _items.OfType <PlayableMediaItem>().FirstOrDefault(pmi => pmi.MediaItem.Equals(mediaItem));
if (existingItem != null)
{
int oldIndex = _items.IndexOf(existingItem);
_items.Remove(existingItem);
// Restore focus on same position of old item
SetSelectedIndex(oldIndex);
_currentTotalNumItems--;
changed = true;
}
}
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.Updated)
{
IEnumerable <PlayableMediaItem> playableItems = _items.OfType <PlayableMediaItem>();
PlayableMediaItem existingItem = playableItems.FirstOrDefault(pmi => pmi.MediaItem.Equals(mediaItem));
if (existingItem != null)
{
existingItem.Update(mediaItem);
changed = SetSelectedItem(playableItems);
}
}
}
if (changed)
{
_items.FireChange();
Display_Normal(_items.Count, _currentTotalNumItems);
}
}
protected void UpdateLoadedMediaItems(MediaItem mediaItem, ContentDirectoryMessaging.MediaItemChangeType changeType)
{
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.None)
{
return;
}
bool changed = false;
lock (_syncObj)
{
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.Deleted)
{
PlayableMediaItem existingItem = _items.OfType <PlayableMediaItem>().FirstOrDefault(pmi => pmi.MediaItem.Equals(mediaItem));
if (existingItem != null)
{
_items.Remove(existingItem);
_currentTotalNumItems--;
changed = true;
}
}
if (changeType == ContentDirectoryMessaging.MediaItemChangeType.Updated)
{
PlayableMediaItem existingItem = _items.OfType <PlayableMediaItem>().FirstOrDefault(pmi => pmi.MediaItem.Equals(mediaItem));
if (existingItem != null)
{
existingItem.Update(mediaItem);
}
}
}
if (changed)
{
_items.FireChange();
Display_Normal(_items.Count, _currentTotalNumItems);
}
}
