/// <summary>
/// Tries to find the resource path corresponding to the given media library <paramref name="viewSpecification"/>.
/// </summary>
/// <param name="viewSpecification">View specification to be examined.</param>
/// <param name="path">Path corresponding to the given <paramref name="viewSpecification"/>, if it is a media library view specification (i.e. one of the
/// view specifications which are created in any of the sub views of this view specification). Else, this parameter will return <c>null</c>.</param>
/// <returns><c>true</c>, if the given <paramref name="viewSpecification"/> is one of the direct or indirect view specifications which are created as sub view specifications
/// of this view specification.</returns>
public static bool TryGetLocalBrowseViewPath(ViewSpecification viewSpecification, out ResourcePath path)
{
MediaLibraryBrowseViewSpecification mlbvs = viewSpecification as MediaLibraryBrowseViewSpecification;
if (mlbvs != null)
{ // We're in some MediaLibrary browsing state
IServerConnectionManager serverConnectionManager = ServiceRegistration.Get <IServerConnectionManager>();
string localSystemId = ServiceRegistration.Get <ISystemResolver>().LocalSystemId;
if (mlbvs.SystemId != localSystemId && mlbvs.SystemId != serverConnectionManager.HomeServerSystemId)
{ // If the currently browsed system is a different one, the path must be set to null
path = null;
return(true);
}
// In a browsing state for the local system, we can return the base path from the view specification
path = mlbvs.BasePath;
return(true);
}
BrowseMediaRootProxyViewSpecification bmrvs = viewSpecification as BrowseMediaRootProxyViewSpecification;
SystemSharesViewSpecification ssvs = viewSpecification as SystemSharesViewSpecification;
AllSystemsViewSpecification asvs = viewSpecification as AllSystemsViewSpecification;
if (ssvs != null || asvs != null || bmrvs != null)
{ // If the current browsing state shows one of the root browse states, we can just set the path to null
path = null;
return(true);
}
path = null;
return(false);
}
protected internal override void ReLoadItemsAndSubViewSpecifications(out IList <MediaItem> mediaItems, out IList <ViewSpecification> subViewSpecifications)
{
mediaItems = null;
subViewSpecifications = null;
IContentDirectory cd = ServiceRegistration.Get <IServerConnectionManager>().ContentDirectory;
if (cd == null)
{
return;
}
try
{
mediaItems = new List <MediaItem>(cd.Browse(_directoryId, _necessaryMIATypeIds, _optionalMIATypeIds));
ICollection <MediaItem> childDirectories = cd.Browse(_directoryId, DIRECTORY_MIA_ID_ENUMERATION, EMPTY_ID_ENUMERATION);
subViewSpecifications = new List <ViewSpecification>(childDirectories.Count);
foreach (MediaItem childDirectory in childDirectories)
{
MediaItemAspect ma = childDirectory.Aspects[MediaAspect.ASPECT_ID];
MediaItemAspect pra = childDirectory.Aspects[ProviderResourceAspect.ASPECT_ID];
MediaLibraryBrowseViewSpecification subViewSpecification = new MediaLibraryBrowseViewSpecification(
(string)ma.GetAttributeValue(MediaAspect.ATTR_TITLE), childDirectory.MediaItemId,
(string)pra.GetAttributeValue(ProviderResourceAspect.ATTR_SYSTEM_ID),
ResourcePath.Deserialize((string)pra.GetAttributeValue(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH)),
_necessaryMIATypeIds, _optionalMIATypeIds);
subViewSpecifications.Add(subViewSpecification);
}
}
catch (UPnPRemoteException e)
{
ServiceRegistration.Get <ILogger>().Error("SimpleTextSearchViewSpecification.ReLoadItemsAndSubViewSpecifications: Error requesting server", e);
mediaItems = null;
subViewSpecifications = null;
}
}
protected internal override void ReLoadItemsAndSubViewSpecifications(out IList <MediaItem> mediaItems, out IList <ViewSpecification> subViewSpecifications)
{
mediaItems = null;
subViewSpecifications = null;
IContentDirectory cd = ServiceRegistration.Get <IServerConnectionManager>().ContentDirectory;
if (cd == null)
{
return;
}
Guid? userProfile = null;
IUserManagement userProfileDataManagement = ServiceRegistration.Get <IUserManagement>();
if (userProfileDataManagement != null && userProfileDataManagement.IsValidUser)
{
userProfile = userProfileDataManagement.CurrentUser.ProfileId;
}
try
{
bool showVirtual = VirtualMediaHelper.ShowVirtualMedia(_necessaryMIATypeIds);
mediaItems = new List <MediaItem>(cd.BrowseAsync(_directoryId, _necessaryMIATypeIds, _optionalMIATypeIds, userProfile, showVirtual).Result);
ICollection <MediaItem> childDirectories = cd.BrowseAsync(_directoryId, DIRECTORY_MIA_ID_ENUMERATION, EMPTY_ID_ENUMERATION, userProfile, showVirtual).Result;
subViewSpecifications = new List <ViewSpecification>(childDirectories.Count);
foreach (MediaItem childDirectory in childDirectories)
{
SingleMediaItemAspect ma = null;
MediaItemAspect.TryGetAspect(childDirectory.Aspects, MediaAspect.Metadata, out ma);
IList <MultipleMediaItemAspect> pras = null;
MediaItemAspect.TryGetAspects(childDirectory.Aspects, ProviderResourceAspect.Metadata, out pras);
foreach (MultipleMediaItemAspect pra in pras)
{
MediaLibraryBrowseViewSpecification subViewSpecification = new MediaLibraryBrowseViewSpecification(
(string)ma.GetAttributeValue(MediaAspect.ATTR_TITLE), childDirectory.MediaItemId,
(string)pra.GetAttributeValue(ProviderResourceAspect.ATTR_SYSTEM_ID),
ResourcePath.Deserialize((string)pra.GetAttributeValue(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH)),
_necessaryMIATypeIds, _optionalMIATypeIds);
subViewSpecifications.Add(subViewSpecification);
}
}
}
catch (UPnPRemoteException e)
{
ServiceRegistration.Get <ILogger>().Error("SimpleTextSearchViewSpecification.ReLoadItemsAndSubViewSpecifications: Error requesting server", e);
mediaItems = null;
subViewSpecifications = null;
}
}
protected internal override void ReLoadItemsAndSubViewSpecifications(out IList<MediaItem> mediaItems, out IList<ViewSpecification> subViewSpecifications)
{
mediaItems = null;
subViewSpecifications = null;
IContentDirectory cd = ServiceRegistration.Get<IServerConnectionManager>().ContentDirectory;
if (cd == null)
return;
try
{
mediaItems = new List<MediaItem>(cd.Browse(_directoryId, _necessaryMIATypeIds, _optionalMIATypeIds));
ICollection<MediaItem> childDirectories = cd.Browse(_directoryId, DIRECTORY_MIA_ID_ENUMERATION, EMPTY_ID_ENUMERATION);
subViewSpecifications = new List<ViewSpecification>(childDirectories.Count);
foreach (MediaItem childDirectory in childDirectories)
{
MediaItemAspect ma = childDirectory.Aspects[MediaAspect.ASPECT_ID];
MediaItemAspect pra = childDirectory.Aspects[ProviderResourceAspect.ASPECT_ID];
MediaLibraryBrowseViewSpecification subViewSpecification = new MediaLibraryBrowseViewSpecification(
(string) ma.GetAttributeValue(MediaAspect.ATTR_TITLE), childDirectory.MediaItemId,
(string) pra.GetAttributeValue(ProviderResourceAspect.ATTR_SYSTEM_ID),
ResourcePath.Deserialize((string) pra.GetAttributeValue(ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH)),
_necessaryMIATypeIds, _optionalMIATypeIds);
subViewSpecifications.Add(subViewSpecification);
}
}
catch (UPnPRemoteException e)
{
ServiceRegistration.Get<ILogger>().Error("SimpleTextSearchViewSpecification.ReLoadItemsAndSubViewSpecifications: Error requesting server", e);
mediaItems = null;
subViewSpecifications = null;
}
}
