/*****************************************************************************
 * VLCLibraryCollectionViewDataSource.h: MacOS X interface module
 *****************************************************************************
 * Copyright (C) 2022 VLC authors and VideoLAN
 *
 * Authors: Claudio Cambra <developer@claudiocambra.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#import <Cocoa/Cocoa.h>

#import "library/VLCLibraryDataSource.h"
#import "library/VLCLibraryUIUnits.h"

NS_ASSUME_NONNULL_BEGIN

@class VLCLibraryRepresentedItem;
@protocol VLCMediaLibraryItemProtocol;

@protocol VLCLibraryCollectionViewDataSource <NSCollectionViewDataSource, VLCLibraryDataSource>

@property (readonly) NSString *supplementaryDetailViewKind;

- (id<VLCMediaLibraryItemProtocol>)libraryItemAtIndexPath:(NSIndexPath *)indexPath
                                        forCollectionView:(NSCollectionView *)collectionView;
- (NSIndexPath *)indexPathForLibraryItem:(id<VLCMediaLibraryItemProtocol>)libraryItem;
- (NSArray<VLCLibraryRepresentedItem *> *)representedItemsAtIndexPaths:(NSSet<NSIndexPath *> *const)indexPaths
                                                     forCollectionView:(NSCollectionView *)collectionView;

- (void)reloadData;

@optional
- (VLCLibraryCollectionViewItemAspectRatio)collectionView:(NSCollectionView *)collectionView
                                    aspectRatioForSection:(NSInteger)section;

@end

NS_ASSUME_NONNULL_END
