protected override void Prepare()
{
base.Prepare();
_defaultScreen = new LocalMediaNavigationScreenData(_genericPlayableItemCreatorDelegate);
// Dynamic screens remain null - browse media states don't provide dynamic filters
_availableScreens = null;
_defaultSorting = new BrowseDefaultSorting();
_availableSortings = new List<Sorting.Sorting>
{
_defaultSorting,
new SortByTitle(),
new SortByDate(),
// We could offer sortings here which are specific for one media item type but which will cope with all three item types (and sort items of the three types in a defined order)
};
var optionalMias = new[]
{
AudioAspect.ASPECT_ID,
VideoAspect.ASPECT_ID,
ImageAspect.ASPECT_ID
}.Union(MediaNavigationModel.GetMediaSkinOptionalMIATypes(MediaNavigationMode));
_customRootViewSpecification = new AddedRemovableMediaViewSpecificationFacade(
new LocalMediaRootProxyViewSpecification(_viewName, _necessaryMias, optionalMias));
}
/// <summary>
/// Returns context variables to be set for the given workflow state id.
/// </summary>
/// <param name="workflowStateId">Workflow state which determines the root media navigation state.</param>
/// <returns>Mapping of context variable keys to values.</returns>
protected static IDictionary<string, object> PrepareRootState(Guid workflowStateId)
{
IDictionary<string, object> result = new Dictionary<string, object>();
// The initial state ID determines the media model "part" to initialize: Browse local media, browse media library, audio, videos or images.
// The media model part determines the media navigation mode and the view contents to be set.
NavigationData navigationData;
MediaNavigationMode mode;
if (workflowStateId == Consts.WF_STATE_ID_AUDIO_NAVIGATION_ROOT)
{
mode = MediaNavigationMode.Audio;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new AudioItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(Consts.RES_AUDIO_VIEW_NAME,
null, Consts.NECESSARY_AUDIO_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData filterByAlbum = new AudioFilterByAlbumScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
new AudioShowItemsScreenData(picd),
new AudioFilterByArtistScreenData(),
filterByAlbum, // C# doesn't like it to have an assignment inside a collection initializer
new AudioFilterByGenreScreenData(),
new AudioFilterByDecadeScreenData(),
new AudioFilterBySystemScreenData(),
new AudioSimpleSearchScreenData(picd),
};
Sorting.Sorting sortByAlbumTrack = new AudioSortByAlbumTrack();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
sortByAlbumTrack,
new SortByTitle(),
new AudioSortByFirstGenre(),
new AudioSortByFirstArtist(),
new AudioSortByAlbum(),
new AudioSortByTrack(),
new SortByYear(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_AUDIO_VIEW_NAME, workflowStateId,
workflowStateId, rootViewSpecification, filterByAlbum, availableScreens, sortByAlbumTrack)
{
AvailableSortings = availableSortings
};
}
else if (workflowStateId == Consts.WF_STATE_ID_VIDEOS_NAVIGATION_ROOT)
{
mode = MediaNavigationMode.Videos;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new VideoItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(Consts.RES_VIDEOS_VIEW_NAME,
null, Consts.NECESSARY_VIDEO_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData filterByGenre = new VideosFilterByGenreScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
new VideosShowItemsScreenData(picd),
new VideosFilterByLanguageScreenData(),
new VideosFilterByActorScreenData(),
filterByGenre, // C# doesn't like it to have an assignment inside a collection initializer
new VideosFilterByYearScreenData(),
new VideosFilterBySystemScreenData(),
new VideosSimpleSearchScreenData(picd),
};
Sorting.Sorting sortByTitle = new SortByTitle();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
sortByTitle,
new SortByYear(),
new VideoSortByFirstGenre(),
new VideoSortByDuration(),
new VideoSortByDirector(),
new VideoSortByFirstActor(),
new VideoSortBySize(),
new VideoSortByAspectRatio(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_VIDEOS_VIEW_NAME, workflowStateId,
workflowStateId, rootViewSpecification, filterByGenre, availableScreens, sortByTitle)
{
AvailableSortings = availableSortings
};
}
else if (workflowStateId == Consts.WF_STATE_ID_SERIES_NAVIGATION_ROOT)
{
mode = MediaNavigationMode.Videos;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new SeriesItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(Consts.RES_SERIES_VIEW_NAME,
null, Consts.NECESSARY_SERIES_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData filterBySeries = new SeriesFilterByNameScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
new SeriesShowItemsScreenData(picd),
filterBySeries, // C# doesn't like it to have an assignment inside a collection initializer
new VideosFilterByLanguageScreenData(),
new SeriesFilterBySeasonScreenData(),
new VideosFilterByGenreScreenData(),
new VideosSimpleSearchScreenData(picd),
};
Sorting.Sorting sortByEpisode = new SeriesSortByEpisode();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
sortByEpisode,
new SortByTitle(),
new SortByDate(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_SERIES_VIEW_NAME, workflowStateId,
workflowStateId, rootViewSpecification, filterBySeries, availableScreens, sortByEpisode)
{
AvailableSortings = availableSortings
};
}
else if (workflowStateId == Consts.WF_STATE_ID_MOVIES_NAVIGATION_ROOT)
{
mode = MediaNavigationMode.Movies;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new MovieItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(Consts.RES_MOVIES_VIEW_NAME,
null, Consts.NECESSARY_MOVIES_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData filterByGenre = new VideosFilterByGenreScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
new MoviesShowItemsScreenData(picd),
new VideosFilterByActorScreenData(),
filterByGenre, // C# doesn't like it to have an assignment inside a collection initializer
new VideosFilterByYearScreenData(),
new VideosFilterBySystemScreenData(),
new VideosSimpleSearchScreenData(picd),
};
Sorting.Sorting sortByTitle = new SortByTitle();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
sortByTitle,
new SortByYear(),
new VideoSortByFirstGenre(),
new VideoSortByDuration(),
new VideoSortByDirector(),
new VideoSortByFirstActor(),
new VideoSortBySize(),
new VideoSortByAspectRatio(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_MOVIES_VIEW_NAME, workflowStateId,
workflowStateId, rootViewSpecification, filterByGenre, availableScreens, sortByTitle)
{
AvailableSortings = availableSortings
};
}
else if (workflowStateId == Consts.WF_STATE_ID_IMAGES_NAVIGATION_ROOT)
{
mode = MediaNavigationMode.Images;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new ImageItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(Consts.RES_IMAGES_VIEW_NAME,
null, Consts.NECESSARY_IMAGE_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData filterByYear = new ImagesFilterByYearScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
new ImagesShowItemsScreenData(picd),
filterByYear, // C# doesn't like it to have an assignment inside a collection initializer
new ImagesFilterBySizeScreenData(),
new ImagesFilterBySystemScreenData(),
new ImagesSimpleSearchScreenData(picd),
};
Sorting.Sorting sortByYear = new SortByYear();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
new SortByYear(),
new SortByTitle(),
new ImageSortBySize(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_IMAGES_VIEW_NAME, workflowStateId,
workflowStateId, rootViewSpecification, filterByYear, availableScreens, sortByYear)
{
AvailableSortings = availableSortings
};
}
else
{
// If we were called with a supported root state, we should be either in state WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT
// or WF_STATE_ID_MEDIA_BROWSE_NAVIGATION_ROOT here
if (workflowStateId != Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT &&
workflowStateId != Consts.WF_STATE_ID_BROWSE_MEDIA_NAVIGATION_ROOT)
{
// Error case: We cannot handle the given state
ServiceRegistration.Get<ILogger>().Warn("MediaNavigationModel: Unknown root workflow state with ID '{0}', initializing local media navigation", workflowStateId);
// We simply use the local media mode as fallback for this case, so we go on
workflowStateId = Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT;
}
mode = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ? MediaNavigationMode.BrowseLocalMedia :
MediaNavigationMode.BrowseMediaLibrary;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi =>
{
if (mi.Aspects.ContainsKey(AudioAspect.ASPECT_ID))
return new AudioItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
if (mi.Aspects.ContainsKey(VideoAspect.ASPECT_ID))
return new VideoItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
if (mi.Aspects.ContainsKey(ImageAspect.ASPECT_ID))
return new ImageItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
return null;
};
IEnumerable<Guid> necessaryMIATypeIDs = new Guid[]
{
ProviderResourceAspect.ASPECT_ID,
MediaAspect.ASPECT_ID,
};
IEnumerable<Guid> optionalMIATypeIDs = new Guid[]
{
AudioAspect.ASPECT_ID,
VideoAspect.ASPECT_ID,
ImageAspect.ASPECT_ID,
}.Union(skinDependentOptionalMIATypeIDs);
string viewName = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
Consts.RES_LOCAL_MEDIA_ROOT_VIEW_NAME : Consts.RES_BROWSE_MEDIA_ROOT_VIEW_NAME;
ViewSpecification rootViewSpecification = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
new AddedRemovableMediaViewSpecificationFacade(new LocalMediaRootProxyViewSpecification(viewName, necessaryMIATypeIDs, optionalMIATypeIDs)) :
new AddedRemovableMediaViewSpecificationFacade(new BrowseMediaRootProxyViewSpecification(viewName, necessaryMIATypeIDs, optionalMIATypeIDs));
// Dynamic screens remain null - browse media states don't provide dynamic filters
AbstractScreenData screenData = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
(AbstractScreenData) new LocalMediaNavigationScreenData(picd) : new BrowseMediaNavigationScreenData(picd);
Sorting.Sorting browseDefaultSorting = new BrowseDefaultSorting();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
browseDefaultSorting,
new SortByTitle(),
new SortByDate(),
// We could offer sortings here which are specific for one media item type but which will cope with all three item types (and sort items of the three types in a defined order)
};
navigationData = new NavigationData(null, viewName, workflowStateId,
workflowStateId, rootViewSpecification, screenData, null, browseDefaultSorting)
{
AvailableSortings = availableSortings
};
}
result.Add(Consts.KEY_NAVIGATION_MODE, mode);
result.Add(Consts.KEY_NAVIGATION_DATA, navigationData);
return result;
}
/// <summary>
/// Returns context variables to be set for the given workflow state id.
/// </summary>
/// <param name="workflowStateId">Workflow state which determines the root media navigation state.</param>
/// <returns>Mapping of context variable keys to values.</returns>
protected static IDictionary<string, object> PrepareRootState(Guid workflowStateId)
{
IDictionary<string, object> result = new Dictionary<string, object>();
// The initial state ID determines the media model "part" to initialize: Browse local media, browse media library, audio, videos or images.
// The media model part determines the media navigation mode and the view contents to be set.
NavigationData navigationData;
string mode;
if (_initializers.ContainsKey(workflowStateId))
{
// Use the IMediaNavigationInitializer that is associated with our root workflow state.
IMediaNavigationInitializer initializer = _initializers[workflowStateId];
initializer.InitMediaNavigation(out mode, out navigationData);
}
else
{
// If we were called with a supported root state, we should be either in state WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT
// or WF_STATE_ID_MEDIA_BROWSE_NAVIGATION_ROOT here
if (workflowStateId != Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT &&
workflowStateId != Consts.WF_STATE_ID_BROWSE_MEDIA_NAVIGATION_ROOT)
{
// Error case: We cannot handle the given state
ServiceRegistration.Get<ILogger>().Warn("MediaNavigationModel: Unknown root workflow state with ID '{0}', initializing local media navigation", workflowStateId);
// We simply use the local media mode as fallback for this case, so we go on
workflowStateId = Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT;
}
mode = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ? MediaNavigationMode.BrowseLocalMedia :
MediaNavigationMode.BrowseMediaLibrary;
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = GetMediaSkinOptionalMIATypes(mode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi =>
{
if (mi.Aspects.ContainsKey(AudioAspect.ASPECT_ID))
return new AudioItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
if (mi.Aspects.ContainsKey(VideoAspect.ASPECT_ID))
return new VideoItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
if (mi.Aspects.ContainsKey(ImageAspect.ASPECT_ID))
return new ImageItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
return null;
};
IEnumerable<Guid> necessaryMIATypeIDs = new Guid[]
{
ProviderResourceAspect.ASPECT_ID,
MediaAspect.ASPECT_ID,
};
IEnumerable<Guid> optionalMIATypeIDs = new Guid[]
{
AudioAspect.ASPECT_ID,
VideoAspect.ASPECT_ID,
ImageAspect.ASPECT_ID,
}.Union(skinDependentOptionalMIATypeIDs);
string viewName = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
Consts.RES_LOCAL_MEDIA_ROOT_VIEW_NAME : Consts.RES_BROWSE_MEDIA_ROOT_VIEW_NAME;
ViewSpecification rootViewSpecification = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
new AddedRemovableMediaViewSpecificationFacade(new LocalMediaRootProxyViewSpecification(viewName, necessaryMIATypeIDs, optionalMIATypeIDs)) :
new AddedRemovableMediaViewSpecificationFacade(new BrowseMediaRootProxyViewSpecification(viewName, necessaryMIATypeIDs, optionalMIATypeIDs));
// Dynamic screens remain null - browse media states don't provide dynamic filters
AbstractScreenData screenData = workflowStateId == Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT ?
(AbstractScreenData) new LocalMediaNavigationScreenData(picd) : new BrowseMediaNavigationScreenData(picd);
Sorting.Sorting browseDefaultSorting = new BrowseDefaultSorting();
ICollection<Sorting.Sorting> availableSortings = new List<Sorting.Sorting>
{
browseDefaultSorting,
new SortByTitle(),
new SortByDate(),
// We could offer sortings here which are specific for one media item type but which will cope with all three item types (and sort items of the three types in a defined order)
};
navigationData = new NavigationData(null, viewName, workflowStateId,
workflowStateId, rootViewSpecification, screenData, null, browseDefaultSorting)
{
AvailableSortings = availableSortings
};
}
result.Add(Consts.KEY_NAVIGATION_MODE, mode);
result.Add(Consts.KEY_NAVIGATION_DATA, navigationData);
return result;
}
