1111#import " TestCollectionViewItem.h"
1212#import " PHCollection.h" // Currently seems `PHAssetCollection` is not list in public header, but it works
1313
14- static NSString * const TestCollectionViewItemIdentifier = @" TestCollectionViewItemIdentifier"
15-
1614@interface ViewController () <NSCollectionViewDelegate , NSCollectionViewDataSource >
1715
1816@property (nonatomic , strong ) NSMutableArray <NSURL *> *objects;
@@ -24,19 +22,33 @@ @interface ViewController () <NSCollectionViewDelegate, NSCollectionViewDataSour
2422
2523@implementation ViewController
2624
25+ - (instancetype )initWithCoder : (NSCoder *)coder {
26+ self = [super initWithCoder: coder];
27+ if (self) {
28+ self.objects = [NSMutableArray array ];
29+ // Setup Photos Loader
30+ SDWebImageManager.defaultImageLoader = [SDWebImagePhotosLoader sharedLoader ];
31+ PHImageRequestOptions *options = [PHImageRequestOptions new ];
32+ options.sd_targetSize = CGSizeMake (500 , 500 ); // The original image size may be 4K, we only query the max view size :)
33+ SDWebImagePhotosLoader.sharedLoader .imageRequestOptions = options;
34+
35+ // Reload
36+ [[NSNotificationCenter defaultCenter ] addObserver: self selector: @selector (menuItemDidTap: ) name: NSMenuDidSendActionNotification object: nil ];
37+ }
38+ return self;
39+ }
40+
2741- (void )viewDidLoad {
2842 [super viewDidLoad ];
2943
30- self.objects = [NSMutableArray array ];
31- // Setup Photos Loader
32- SDWebImageManager.defaultImageLoader = [SDWebImagePhotosLoader sharedLoader ];
33- PHImageRequestOptions *options = [PHImageRequestOptions new ];
34- options.sd_targetSize = CGSizeMake (500 , 500 ); // The original image size may be 4K, we only query the max view size :)
35- SDWebImagePhotosLoader.sharedLoader .imageRequestOptions = options;
36-
3744 // Photos Library Demo
38- PHFetchResult<PHAssetCollection *> *result = [PHAssetCollection fetchAssetCollectionsWithType: PHAssetCollectionTypeAlbum
39- subtype: PHAssetCollectionSubtypeAlbumImported
45+ [self reloadData ];
46+ }
47+
48+ - (void )fetchAssets {
49+ [self .objects removeAllObjects ];
50+ PHFetchResult<PHAssetCollection *> *result = [PHAssetCollection fetchAssetCollectionsWithType: PHAssetCollectionTypeSmartAlbum
51+ subtype: PHAssetCollectionSubtypeSmartAlbumUserLibrary
4052 options: nil ];
4153 PHAssetCollection *collection = result.firstObject ;
4254 PHFetchOptions *fetchOptions = [PHFetchOptions new ];
@@ -50,21 +62,22 @@ - (void)viewDidLoad {
5062 NSURL *url = [NSURL sd_URLWithAsset: asset];
5163 [self .objects addObject: url];
5264 }
53-
54- [self .collectionView registerClass: [TestCollectionViewItem class ] forItemWithIdentifier: TestCollectionViewItemIdentifier];
55- self.collectionView .delegate = self;
56- self.collectionView .dataSource = self;
5765}
5866
67+ - (void )menuItemDidTap : (NSNotification *)notification {
68+ NSMenuItem *menuItem = notification.userInfo [@" MenuItem"
69+ if ([menuItem.title isEqualToString: @" Reload"
70+ [self reloadData ];
71+ }
72+ }
5973
60- - (void )setRepresentedObject : (id )representedObject {
61- [super setRepresentedObject: representedObject];
62-
63- // Update the view, if already loaded.
74+ - (void )reloadData {
75+ [self fetchAssets ];
76+ [self .collectionView reloadData ];
6477}
6578
6679- (NSCollectionViewItem *)collectionView : (NSCollectionView *)collectionView itemForRepresentedObjectAtIndexPath : (NSIndexPath *)indexPath {
67- TestCollectionViewItem *cell = [collectionView makeItemWithIdentifier: TestCollectionViewItemIdentifier forIndexPath: indexPath];
80+ TestCollectionViewItem *cell = [collectionView makeItemWithIdentifier: @" TestCollectionViewItem " forIndexPath: indexPath];
6881 NSURL *photosURL = self.objects [indexPath.item];
6982 cell.imageViewDisplay .sd_imageTransition = SDWebImageTransition.fadeTransition ;
7083 [cell.imageViewDisplay sd_setImageWithURL: photosURL placeholderImage: nil options: SDWebImageFromLoaderOnly context: @{SDWebImageContextStoreCacheType: @(SDImageCacheTypeNone)}];
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