public override bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType)
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.None;
var rl = mediaItem.GetResourceLocator();
using (var ra = rl.CreateAccessor())
{
var rad = ra as IResourceDeletor;
if (rad == null)
return false;
// First try to delete the file from storage.
if (rad.Delete())
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.Deleted;
// If the MediaItem was loaded from ML, remove it there as well.
if (IsManagedByMediaLibrary(mediaItem))
{
IContentDirectory cd = ServiceRegistration.Get<IServerConnectionManager>().ContentDirectory;
if (cd == null)
return true;
cd.DeleteMediaItemOrPath(rl.NativeSystemId, rl.NativeResourcePath, true);
return true;
}
}
}
return false;
}
public override bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType)
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.None;
WorkflowAction action;
if (!ServiceRegistration.Get<IWorkflowManager>().MenuStateActions.TryGetValue(ACTION_ID_ADD_ALL_TO_PLAYLIST, out action))
return false;
action.Execute();
return true;
}
public override bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType)
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.None;
IContentDirectory cd = ServiceRegistration.Get<IServerConnectionManager>().ContentDirectory;
if (cd == null)
return false;
var rl = mediaItem.GetResourceLocator();
Guid parentDirectoryId;
if (!MediaItemAspect.TryGetAttribute(mediaItem.Aspects, ProviderResourceAspect.ATTR_PARENT_DIRECTORY_ID, out parentDirectoryId))
return false;
MediaItemAspect.SetAttribute(mediaItem.Aspects, MediaAspect.ATTR_PLAYCOUNT, GetNewPlayCount());
cd.AddOrUpdateMediaItem(parentDirectoryId, rl.NativeSystemId, rl.NativeResourcePath, mediaItem.Aspects.Values);
changeType = ContentDirectoryMessaging.MediaItemChangeType.Updated;
return true;
}
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);
}
}
public abstract bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType);
