protected void UpdateFiltersList()
{
_filterItemsList.Clear();
NavigationData navigationData = GetCurrentNavigationData();
IList <WorkflowAction> actions = navigationData.GetWorkflowActions();
if (actions == null)
{
return;
}
string currentScreenTitle = LocalizationHelper.CreateResourceString(navigationData.CurrentScreenData?.MenuItemLabel)?.Evaluate();
foreach (WorkflowAction action in actions)
{
WorkflowAction actionCopy = action;
ListItem screenItem = new ListItem(Consts.KEY_NAME, action.DisplayTitle)
{
Command = new MethodDelegateCommand(actionCopy.Execute),
Selected = currentScreenTitle == action.DisplayTitle?.Evaluate()
};
screenItem.AdditionalProperties[Consts.KEY_FILTER] = actionCopy;
_filterItemsList.Add(screenItem);
}
_filterItemsList.FireChange();
}
/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow);
ScreenConfig nextScreenConfig;
LoadLayoutSettings(visibleScreen.ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(
sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting && sorting.IsAvailable(visibleScreen)) ?? _currentSorting;
Sorting.Sorting nextGroupingMode = string.IsNullOrEmpty(nextScreenConfig.Grouping) ? null : AvailableGroupings.FirstOrDefault(
grouping => grouping.GetType().ToString() == nextScreenConfig.Grouping && grouping.IsAvailable(visibleScreen)) ?? _currentGrouping;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, nextSortingMode, nextGroupingMode, true)
{
LayoutType = nextScreenConfig.LayoutType,
LayoutSize = nextScreenConfig.LayoutSize
};
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
public void ExitModelContext(NavigationContext oldContext, NavigationContext newContext)
{
NavigationData navigationData = GetNavigationData(oldContext, false);
navigationData.Dispose();
ReleaseModelData();
}
protected void UpdateGroupingsList()
{
_groupingItemsList.Clear();
NavigationData navigationData = GetCurrentNavigationData();
ICollection <Sorting.Sorting> groupings = navigationData.AvailableGroupings;
if (groupings == null)
{
return;
}
ListItem groupingItem = new ListItem(Consts.KEY_NAME, Consts.RES_NO_GROUPING)
{
Command = new MethodDelegateCommand(() => navigationData.CurrentGrouping = null),
Selected = navigationData.CurrentGrouping == null
};
groupingItem.AdditionalProperties[Consts.KEY_GROUPING] = null;
_groupingItemsList.Add(groupingItem);
foreach (Sorting.Sorting grouping in groupings.Where(g => g.IsAvailable(navigationData.CurrentScreenData)))
{
Sorting.Sorting groupingCopy = grouping;
groupingItem = new ListItem(Consts.KEY_NAME, grouping.GroupByDisplayName)
{
Command = new MethodDelegateCommand(() => navigationData.CurrentGrouping = groupingCopy),
Selected = navigationData.CurrentGrouping == groupingCopy
};
groupingItem.AdditionalProperties[Consts.KEY_GROUPING] = groupingCopy;
_groupingItemsList.Add(groupingItem);
}
_groupingItemsList.FireChange();
}
public void EnterModelContext(NavigationContext oldContext, NavigationContext newContext)
{
PrepareState(newContext);
NavigationData navigationData = GetNavigationData(newContext, false);
navigationData.Enable();
}
protected void AddCurrentViewToPlaylistInternal()
{
NavigationData navigationData = NavigationData;
if (navigationData == null || !navigationData.IsEnabled)
{
ServiceRegistration.Get <ILogger>().Error("MediaNavigationModel: Cannot add current view to playlist - There is no enabled navigation data available");
}
string mode = Mode;
switch (mode)
{
case MediaNavigationMode.Audio:
PlayItemsModel.CheckQueryPlayAction(GetMediaItemsFromCurrentView, AVType.Audio);
break;
case MediaNavigationMode.Movies:
case MediaNavigationMode.Series:
case MediaNavigationMode.Videos:
case MediaNavigationMode.Images:
PlayItemsModel.CheckQueryPlayAction(GetMediaItemsFromCurrentView, AVType.Video);
break;
case MediaNavigationMode.BrowseLocalMedia:
case MediaNavigationMode.BrowseMediaLibrary:
PlayItemsModel.CheckQueryPlayAction(GetMediaItemsFromCurrentView);
break;
}
}
/// <summary>
/// Creates a new navigation data structure for a new media navigation step.
/// </summary>
/// <param name="parent">Parent navigation data, this navigation data is derived from.</param>
/// <param name="navigationContextName">Name, which is used for the corresponding workflow navigation context.</param>
/// <param name="currentWorkflowStateId">Id of the workflow state which corresponds to the new media navigation step.</param>
/// <param name="parentWorkflowStateId">Id of the workflow state to which the workflow navigation should be reverted when
/// another filter is choosen.</param>
/// <param name="baseViewSpecification">View specification for the media items of the new media navigation step.</param>
/// <param name="defaultScreen">Screen which should present the new navigation step by default.</param>
/// <param name="availableScreens">Available set of screen descriptions which can present the new media navigation step.</param>
/// <param name="currentSorting">Denotes the current sorting for the items to be shown. If this is set to <c>null</c>,
/// default sorting will be applied.</param>
/// <param name="currentGrouping">Denotes the current grouping for the items to be shown.</param>
public NavigationData(NavigationData parent, string navigationContextName, Guid parentWorkflowStateId, Guid currentWorkflowStateId,
ViewSpecification baseViewSpecification, AbstractScreenData defaultScreen, ICollection <AbstractScreenData> availableScreens,
Sorting.Sorting currentSorting, Sorting.Sorting currentGrouping) :
this(parent, navigationContextName, parentWorkflowStateId, currentWorkflowStateId, baseViewSpecification, defaultScreen, availableScreens,
currentSorting, currentGrouping, false)
{
}
protected void AddCurrentViewToPlaylistInternal(MediaItem selectedMediaItem)
{
NavigationData navigationData = NavigationData;
if (navigationData == null || !navigationData.IsEnabled)
{
ServiceRegistration.Get <ILogger>().Error("MediaNavigationModel: Cannot add current view to playlist - There is no enabled navigation data available");
}
AddMediaItemstoPlaylist(() => GetMediaItemsFromCurrentView(selectedMediaItem));
}
protected void SetGrouping(Sorting.Sorting grouping)
{
NavigationData navigationData = GetCurrentNavigationData();
if (navigationData == null)
{
return;
}
navigationData.CurrentGrouping = grouping;
}
/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, _currentSorting, true);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
protected IEnumerable <MediaItem> GetMediaItemsFromCurrentView()
{
NavigationData navigationData = NavigationData;
if (navigationData == null)
{
yield break;
}
foreach (MediaItem mediaItem in navigationData.CurrentScreenData.GetAllMediaItems())
{
yield return(mediaItem);
}
}
public void Update()
{
MediaNavigationModel model = MediaNavigationModel.GetCurrentInstance();
NavigationData navigationData = model.NavigationData;
if (navigationData == null)
{
return;
}
LayoutType = navigationData.LayoutType;
LayoutSize = navigationData.LayoutSize;
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="remainingScreens">New collection of remaining available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification,
ICollection <AbstractScreenData> remainingScreens, string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, remainingScreens.FirstOrDefault(), remainingScreens,
_currentSorting);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
public void InitMediaNavigation(out string mediaNavigationMode, out NavigationData navigationData)
{
IEnumerable<Guid> skinDependentOptionalMIATypeIDs = MediaNavigationModel.GetMediaSkinOptionalMIATypes(MediaNavigationMode);
AbstractItemsScreenData.PlayableItemCreatorDelegate picd = mi => new VideoItem(mi)
{
Command = new MethodDelegateCommand(() => PlayItemsModel.CheckQueryPlayAction(mi))
};
ViewSpecification rootViewSpecification = new MediaLibraryQueryViewSpecification(SlimTvConsts.RES_RECORDINGS_VIEW_NAME,
null, SlimTvConsts.NECESSARY_RECORDING_MIAS, skinDependentOptionalMIATypeIDs, true)
{
MaxNumItems = Consts.MAX_NUM_ITEMS_VISIBLE
};
AbstractScreenData defaultScreen = new RecordingFilterByNameScreenData();
ICollection<AbstractScreenData> availableScreens = new List<AbstractScreenData>
{
// C# doesn't like it to have an assignment inside a collection initializer
defaultScreen,
new VideosShowItemsScreenData(picd),
new RecordingsFilterByChannelScreenData(),
new VideosFilterByActorScreenData(),
new VideosFilterByDirectorScreenData(),
new VideosFilterByWriterScreenData(),
new VideosFilterByGenreScreenData(),
new VideosFilterByYearScreenData(),
new VideosFilterBySystemScreenData(),
new VideosSimpleSearchScreenData(picd),
};
Sorting defaultSorting = new SortByRecordingDateDesc();
ICollection<Sorting> availableSortings = new List<Sorting>
{
defaultSorting,
new SortByTitle(),
new VideoSortByFirstGenre(),
new VideoSortByDuration(),
new VideoSortByFirstActor(),
new VideoSortByFirstDirector(),
new VideoSortByFirstWriter(),
new VideoSortBySize(),
new VideoSortByAspectRatio(),
new SortBySystem(),
};
navigationData = new NavigationData(null, Consts.RES_MOVIES_VIEW_NAME, MediaNavigationRootState,
MediaNavigationRootState, rootViewSpecification, defaultScreen, availableScreens, defaultSorting)
{
AvailableSortings = availableSortings
};
mediaNavigationMode = MediaNavigationMode;
}
protected void SetViewMode(LayoutType layoutType, LayoutSize layoutSize)
{
LayoutType = layoutType;
LayoutSize = layoutSize;
MediaNavigationModel model = MediaNavigationModel.GetCurrentInstance();
NavigationData navigationData = model.NavigationData;
if (navigationData == null)
{
return;
}
navigationData.LayoutType = layoutType;
navigationData.LayoutSize = layoutSize;
}
/// <summary>
/// Adds the current view to the playlist of the current player.
/// </summary>
/// <remarks>
/// This action can be called from outside when there is an enabled navigation data present (<see cref="IsNavigationDataEnabled"/>.
/// </remarks>
public static void AddCurrentViewToPlaylist()
{
MediaNavigationModel model = GetCurrentInstance();
NavigationData navigationData = model.NavigationData;
if (navigationData == null || !navigationData.IsEnabled)
{
ServiceRegistration.Get <ILogger>().Error("MediaNavigationModel.AddCurrentViewToPlaylist: No enabled navigation data present");
return;
}
if (navigationData.CurrentScreenData.IsItemsEmpty)
{
ServiceRegistration.Get <IDialogManager>().ShowDialog(Consts.RES_NO_ITEMS_TO_ADD_HEADER, Consts.RES_NO_ITEMS_TO_ADD_TEXT, DialogType.OkDialog, false, DialogButtonType.Ok);
return;
}
model.AddCurrentViewToPlaylistInternal();
}
public void ChangeModelContext(NavigationContext oldContext, NavigationContext newContext, bool push)
{
PrepareState(newContext);
if (push)
{
NavigationData navigationData = GetNavigationData(oldContext, false);
navigationData.Disable();
navigationData = GetNavigationData(newContext, false);
navigationData.Enable();
}
else
{
NavigationData navigationData = GetNavigationData(oldContext, false);
navigationData.Dispose();
navigationData = GetNavigationData(newContext, false);
navigationData.Enable();
}
}
/// <summary>
/// Prepares the given workflow navigation <paramref name="context"/>, i.e. prepares the view data and the
/// available filter criteria to be used in the menu.
/// </summary>
protected void PrepareState(NavigationContext context)
{
_currentNavigationContext = context;
NavigationData navigationData = GetNavigationData(context, false);
if (navigationData != null)
{
return;
}
// Initialize root media navigation state. We will set up all sub processes for each media model "part", i.e.
// audio, videos, images, browse local media and browse media library.
IDictionary <string, object> contextVariables = PrepareRootState(context.WorkflowState.StateId);
foreach (KeyValuePair <string, object> variable in contextVariables)
{
context.SetContextVariable(variable.Key, variable.Value);
}
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="currentMenuItemLabel">Current menu item label needed for distinction of available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification, string currentMenuItemLabel, string navbarDisplayLabel)
{
AbstractScreenData currentScreen = AvailableScreens.FirstOrDefault(screen => screen.MenuItemLabel == currentMenuItemLabel);
ICollection <AbstractScreenData> remainingScreens = new List <AbstractScreenData>(AvailableScreens.Where(screen => screen != currentScreen));
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow, null);
string nextScreenName;
AbstractScreenData nextScreen = null;
// Try to load the prefered next screen from settings.
if (LoadScreenHierarchy(CurrentScreenData.GetType().ToString(), out nextScreenName))
{
nextScreen = remainingScreens.FirstOrDefault(s => s.GetType().ToString() == nextScreenName);
}
// Default way: always take the first of the available screens.
if (nextScreen == null)
{
nextScreen = remainingScreens.First(s => s != currentScreen);
}
ScreenConfig nextScreenConfig;
LoadLayoutSettings(nextScreen.GetType().ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(
sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting && sorting.IsAvailable(nextScreen)) ?? _currentSorting;
Sorting.Sorting nextGroupingMode = String.IsNullOrEmpty(nextScreenConfig.Grouping) ? null : AvailableGroupings.FirstOrDefault(
grouping => grouping.GetType().ToString() == nextScreenConfig.Grouping && grouping.IsAvailable(nextScreen)) ?? _currentGrouping;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, nextScreen, remainingScreens,
nextSortingMode, nextGroupingMode)
{
LayoutType = nextScreenConfig.LayoutType, LayoutSize = nextScreenConfig.LayoutSize
};
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
// If the suppressActions parameter is set to <c>true</c>, no actions will be built. Instead, they will be inherited from
// the parent navigation step. That is used for subview navigation where the navigation step doesn't produce own
// workflow actions.
protected NavigationData(NavigationData parent, string navigationContextName, Guid parentWorkflowStateId, Guid currentWorkflowStateId,
ViewSpecification baseViewSpecification, AbstractScreenData defaultScreen, ICollection <AbstractScreenData> availableScreens,
Sorting.Sorting currentSorting, bool suppressActions)
{
_parent = parent;
_navigationContextName = navigationContextName;
_currentWorkflowStateId = currentWorkflowStateId;
_baseWorkflowStateId = parentWorkflowStateId;
_baseViewSpecification = baseViewSpecification;
_currentScreenData = defaultScreen;
_availableScreens = availableScreens ?? new List <AbstractScreenData>();
_currentSorting = currentSorting;
if (suppressActions)
{
_dynamicWorkflowActions = null;
}
else
{
BuildWorkflowActions();
}
}
protected void UpdateSortingsList()
{
_sortingItemsList.Clear();
NavigationData navigationData = GetCurrentNavigationData();
ICollection <Sorting.Sorting> sortings = navigationData.AvailableSortings;
if (sortings == null)
{
return;
}
foreach (Sorting.Sorting sorting in sortings)
{
Sorting.Sorting sortingCopy = sorting;
ListItem sortingItem = new ListItem(Consts.KEY_NAME, sorting.DisplayName)
{
Command = new MethodDelegateCommand(() => navigationData.CurrentSorting = sortingCopy)
};
sortingItem.AdditionalProperties[Consts.KEY_SORTING] = sortingCopy;
_sortingItemsList.Add(sortingItem);
}
_sortingItemsList.FireChange();
}
protected void UpdateFiltersList()
{
_filterItemsList.Clear();
NavigationData navigationData = GetCurrentNavigationData();
IList <WorkflowAction> actions = navigationData.GetWorkflowActions();
if (actions == null)
{
return;
}
foreach (WorkflowAction action in actions)
{
WorkflowAction actionCopy = action;
ListItem screenItem = new ListItem(Consts.KEY_NAME, action.DisplayTitle)
{
Command = new MethodDelegateCommand(actionCopy.Execute)
};
screenItem.AdditionalProperties[Consts.KEY_FILTER] = actionCopy;
_filterItemsList.Add(screenItem);
}
_filterItemsList.FireChange();
}
public void ChangeModelContext(NavigationContext oldContext, NavigationContext newContext, bool push)
{
PrepareState(newContext);
if (push)
{
NavigationData navigationData = GetNavigationData(oldContext, false);
navigationData.Disable();
SaveUIState(oldContext);
navigationData = GetNavigationData(newContext, false);
navigationData.Enable();
if (navigationData.CurrentScreenData.SkipForSingleItem && navigationData.CurrentScreenData.Items.Count == 1)
{
var command = navigationData.CurrentScreenData.Items.FirstOrDefault()?.Command;
if (command != null)
{
newContext.SetContextVariable(WorkflowManager.KEY_NAVIGATION_SKIP_ACTION, command);
}
}
}
else
{
NavigationData navigationData = GetNavigationData(oldContext, false);
navigationData.Dispose();
navigationData = GetNavigationData(newContext, false);
navigationData.Enable();
if (navigationData.CurrentScreenData.SkipForSingleItem && navigationData.CurrentScreenData.Items.Count == 1)
{
newContext.SetContextVariable(WorkflowManager.KEY_NAVIGATION_SKIP_ACTION, new MethodDelegateCommand(() =>
{
var wfManager = ServiceRegistration.Get <IWorkflowManager>(false);
wfManager?.NavigatePop(1);
}));
}
}
}
protected static void SetNavigationData(NavigationData navigationData, NavigationContext navigationContext)
{
navigationContext.SetContextVariable(Consts.KEY_NAVIGATION_DATA, navigationData);
}
/// <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;
}
/// <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);
}
/// <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;
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;
}
protected static void PushNewNavigationWorkflowState(WorkflowState newState, string navbarDisplayLabel, NavigationData newNavigationData)
{
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
workflowManager.NavigatePushTransient(newState, new NavigationContextConfig
{
AdditionalContextVariables = new Dictionary <string, object>
{
{ Consts.KEY_NAVIGATION_DATA, newNavigationData }
},
NavigationContextDisplayLabel = navbarDisplayLabel
});
}
protected static void SetNavigationData(NavigationData navigationData, NavigationContext navigationContext)
{
navigationContext.SetContextVariable(Consts.KEY_NAVIGATION_DATA, navigationData);
}
/// <summary>
/// Creates a new navigation data structure for a new media navigation step.
/// </summary>
/// <param name="parent">Parent navigation data, this navigation data is derived from.</param>
/// <param name="navigationContextName">Name, which is used for the corresponding workflow navigation context.</param>
/// <param name="currentWorkflowStateId">Id of the workflow state which corresponds to the new media navigation step.</param>
/// <param name="parentWorkflowStateId">Id of the workflow state to which the workflow navigation should be reverted when
/// another filter is choosen.</param>
/// <param name="baseViewSpecification">View specification for the media items of the new media navigation step.</param>
/// <param name="defaultScreen">Screen which should present the new navigation step by default.</param>
/// <param name="availableScreens">Available set of screen descriptions which can present the new media navigation step.</param>
/// <param name="currentSorting">Denotes the current sorting for the items to be shown. If this is set to <c>null</c>,
/// default sorting will be applied.</param>
public NavigationData(NavigationData parent, string navigationContextName, Guid parentWorkflowStateId, Guid currentWorkflowStateId,
ViewSpecification baseViewSpecification, AbstractScreenData defaultScreen, ICollection<AbstractScreenData> availableScreens,
Sorting.Sorting currentSorting) :
this(parent, navigationContextName, parentWorkflowStateId, currentWorkflowStateId, baseViewSpecification, defaultScreen, availableScreens,
currentSorting, false) { }
// If the suppressActions parameter is set to <c>true</c>, no actions will be built. Instead, they will be inherited from
// the parent navigation step. That is used for subview navigation where the navigation step doesn't produce own
// workflow actions.
protected NavigationData(NavigationData parent, string navigationContextName, Guid parentWorkflowStateId, Guid currentWorkflowStateId,
ViewSpecification baseViewSpecification, AbstractScreenData defaultScreen, ICollection<AbstractScreenData> availableScreens,
Sorting.Sorting currentSorting, bool suppressActions)
{
_parent = parent;
_navigationContextName = navigationContextName;
_currentWorkflowStateId = currentWorkflowStateId;
_baseWorkflowStateId = parentWorkflowStateId;
_baseViewSpecification = baseViewSpecification;
_currentScreenData = defaultScreen;
_availableScreens = availableScreens ?? new List<AbstractScreenData>();
_currentSorting = currentSorting;
if (suppressActions)
_dynamicWorkflowActions = null;
else
BuildWorkflowActions();
}
protected static void PushNewNavigationWorkflowState(WorkflowState newState, string navbarDisplayLabel, NavigationData newNavigationData)
{
IWorkflowManager workflowManager = ServiceRegistration.Get<IWorkflowManager>();
workflowManager.NavigatePushTransient(newState, new NavigationContextConfig
{
AdditionalContextVariables = new Dictionary<string, object>
{
{Consts.KEY_NAVIGATION_DATA, newNavigationData}
},
NavigationContextDisplayLabel = navbarDisplayLabel
});
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="remainingScreens">New collection of remaining available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification,
ICollection<AbstractScreenData> remainingScreens, string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, remainingScreens.FirstOrDefault(), remainingScreens,
_currentSorting);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return newNavigationData;
}
/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, _currentSorting, true);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return newNavigationData;
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="currentMenuItemLabel">Current menu item label needed for distinction of available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification, string currentMenuItemLabel, string navbarDisplayLabel)
{
AbstractScreenData currentScreen = AvailableScreens.FirstOrDefault(screen => screen.MenuItemLabel == currentMenuItemLabel);
ICollection<AbstractScreenData> remainingScreens = new List<AbstractScreenData>(AvailableScreens.Where(screen => screen != currentScreen));
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow);
string nextScreenName;
AbstractScreenData nextScreen = null;
// Try to load the prefered next screen from settings.
if (LoadScreenHierarchy(CurrentScreenData.GetType().ToString(), out nextScreenName))
nextScreen = remainingScreens.FirstOrDefault(s => s.GetType().ToString() == nextScreenName);
// Default way: always take the first of the available screens.
if (nextScreen == null)
nextScreen = remainingScreens.First(s => s != currentScreen);
ScreenConfig nextScreenConfig;
LoadLayoutSettings(nextScreen.GetType().ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting) ?? _currentSorting;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, nextScreen, remainingScreens,
nextSortingMode) { LayoutType = nextScreenConfig.LayoutType, LayoutSize = nextScreenConfig.LayoutSize };
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return newNavigationData;
}
/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow);
ScreenConfig nextScreenConfig;
LoadLayoutSettings(visibleScreen.ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting) ?? _currentSorting;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, nextSortingMode, true)
{
LayoutType = nextScreenConfig.LayoutType,
LayoutSize = nextScreenConfig.LayoutSize
};
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return newNavigationData;
}
