macosx: Add shows library view mode persistent preferences

Signed-off-by: Claudio Cambra <developer@claudiocambra.com>

modules/gui/macosx/library/VLCLibraryWindowPersistentPreferences.h

@@ -32,6 +32,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (readwrite, nonatomic) VLCLibraryViewModeSegment homeLibraryViewMode;
 @property (readwrite, nonatomic) VLCLibraryViewModeSegment videoLibraryViewMode;
+@property (readwrite, nonatomic) VLCLibraryViewModeSegment showsLibraryViewMode;
 @property (readwrite, nonatomic) VLCLibraryViewModeSegment albumLibraryViewMode;
 @property (readwrite, nonatomic) VLCLibraryViewModeSegment genreLibraryViewMode;
 @property (readwrite, nonatomic) VLCLibraryViewModeSegment songsLibraryViewMode;

modules/gui/macosx/library/VLCLibraryWindowPersistentPreferences.m

@@ -26,6 +26,7 @@ NSString * const VLCLibraryWindowPreferencePrefix = @"VLCLibraryWindow";
 
 NSString * const VLCLibraryHomeLibraryViewModePreferenceKey = @"HomeLibraryViewMode";
 NSString * const VLCLibraryVideoLibraryViewModePreferenceKey = @"VideoLibraryViewMode";
+NSString * const VLCLibraryShowsLibraryViewModePreferenceKey = @"ShowsLibraryViewMode";
 NSString * const VLCLibraryAlbumLibraryViewModePreferenceKey = @"AlbumLibraryViewMode";
 NSString * const VLCLibraryGenreLibraryViewModePreferenceKey = @"GenreLibraryViewMode";
 NSString * const VLCLibrarySongsLibraryViewModePreferenceKey = @"SongsLibraryViewMode";
@@ -101,6 +102,17 @@ static VLCLibraryWindowPersistentPreferences *sharedInstance = nil;
                                               value:videoLibraryViewMode];
 }
 
+- (VLCLibraryViewModeSegment)showsLibraryViewMode
+{
+    return [self libraryViewModePreferenceWithKey:VLCLibraryShowsLibraryViewModePreferenceKey];
+}
+
+- (void)setShowsLibraryViewMode:(VLCLibraryViewModeSegment)showsLibraryViewMode
+{
+    [self setLibraryWindowViewModePreferenceWithKey:VLCLibraryShowsLibraryViewModePreferenceKey
+                                              value:showsLibraryViewMode];
+}
+
 - (VLCLibraryViewModeSegment)albumLibraryViewMode
 {
     return [self libraryViewModePreferenceWithKey:VLCLibraryAlbumLibraryViewModePreferenceKey];