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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import "ios/chrome/browser/ui/suggestions/suggestions_data_source.h" | |
| 6 | |
| 7 #import "ios/chrome/browser/ui/collection_view/collection_view_controller.h" | |
| 8 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h" | |
| 9 #import "ios/chrome/browser/ui/suggestions/suggestions_article_item.h" | |
| 10 #import "ios/chrome/browser/ui/suggestions/suggestions_item.h" | |
| 11 | |
| 12 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 13 #error "This file requires ARC support." | |
| 14 #endif | |
| 15 | |
| 16 namespace { | |
| 17 typedef NS_ENUM(NSInteger, ItemType) { | |
| 18 ItemTypeText = kItemTypeEnumZero, | |
| 19 ItemTypeArticle, | |
| 20 ItemTypeExpand, | |
| 21 }; | |
| 22 | |
| 23 } // namespace | |
| 24 | |
| 25 @implementation SuggestionsDataSource { | |
| 26 NSMutableArray<NSMutableArray<CollectionViewItem*>*>* _items; | |
| 27 } | |
| 28 | |
| 29 @synthesize collectionViewController = _collectionViewController; | |
| 30 | |
| 31 - (instancetype)init { | |
| 32 self = [super init]; | |
| 33 if (self) { | |
| 34 _items = [NSMutableArray arrayWithCapacity:1]; | |
| 35 for (NSInteger i = 0; i < 3; i++) { | |
| 36 NSMutableArray<CollectionViewItem*>* arrayToAdd = | |
| 37 [NSMutableArray arrayWithCapacity:3]; | |
| 38 [arrayToAdd | |
| 39 addObject:[[SuggestionsArticleItem alloc] | |
| 40 initWithType:ItemTypeArticle | |
| 41 title:@"Title of an Article" | |
| 42 subtitle:@"This is the subtitle of an article, can " | |
| 43 @"spawn on multiple lines" | |
| 44 image:[UIImage | |
| 45 imageNamed:@"distillation_success"]]]; | |
| 46 [arrayToAdd | |
| 47 addObject:[[SuggestionsItem alloc] initWithType:ItemTypeText | |
| 48 title:@"The title" | |
| 49 subtitle:@"The subtitle"]]; | |
| 50 [_items addObject:arrayToAdd]; | |
| 51 } | |
| 52 } | |
| 53 return self; | |
| 54 } | |
| 55 | |
| 56 #pragma mark - Properties | |
| 57 | |
| 58 - (void)setCollectionViewController: | |
| 59 (CollectionViewController*)collectionViewController { | |
| 60 _collectionViewController = collectionViewController; | |
| 61 if (!collectionViewController) { | |
| 62 return; | |
| 63 } | |
| 64 [collectionViewController loadModel]; | |
| 65 CollectionViewModel* model = collectionViewController.collectionViewModel; | |
| 66 NSInteger sectionIdentifier = kSectionIdentifierEnumZero; | |
| 67 for (NSMutableArray<CollectionViewItem*>* arrayWithItems in _items) { | |
| 68 [model addSectionWithIdentifier:sectionIdentifier]; | |
| 69 for (CollectionViewItem* item in arrayWithItems) { | |
| 70 [model addItem:item toSectionWithIdentifier:sectionIdentifier]; | |
| 71 } | |
| 72 sectionIdentifier++; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 #pragma mark - Public methods | |
| 77 | |
| 78 - (void)addTextItem:(NSString*)title | |
| 79 subtitle:(NSString*)subtitle | |
| 80 toSection:(NSUInteger)section { | |
| 81 SuggestionsItem* item = [[SuggestionsItem alloc] initWithType:ItemTypeText | |
| 82 title:title | |
| 83 subtitle:subtitle]; | |
| 84 NSInteger sectionIdentifier = kSectionIdentifierEnumZero + section; | |
| 85 NSInteger sectionIndex = section; | |
| 86 if (section >= [_items count]) { | |
| 87 sectionIndex = [_items count]; | |
| 88 sectionIdentifier = kSectionIdentifierEnumZero + section; | |
| 89 [_items addObject:[NSMutableArray arrayWithObject:item]]; | |
| 90 if (_collectionViewController) { | |
| 91 [_collectionViewController.collectionView performBatchUpdates:^{ | |
| 92 [_collectionViewController.collectionViewModel | |
| 93 addSectionWithIdentifier:sectionIdentifier]; | |
| 94 [_collectionViewController.collectionView | |
| 95 insertSections:[NSIndexSet indexSetWithIndex:sectionIndex]]; | |
| 96 } | |
| 97 completion:^(BOOL){ | |
| 98 }]; | |
| 99 } | |
| 100 } | |
| 101 [[_items objectAtIndex:section] addObject:item]; | |
| 102 if (_collectionViewController) { | |
| 103 [_collectionViewController.collectionViewModel addItem:item | |
| 104 toSectionWithIdentifier:sectionIdentifier]; | |
| 105 [_collectionViewController.collectionView performBatchUpdates:^{ | |
| 106 [_collectionViewController.collectionView insertItemsAtIndexPaths:@[ | |
| 107 [NSIndexPath indexPathForRow:[[_items objectAtIndex:section] count] - 1 | |
| 108 inSection:section] | |
| 109 ]]; | |
| 110 } | |
| 111 completion:^(BOOL){ | |
| 112 }]; | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 @end | |
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Chromium Code Reviews
Issue 2625693002:
Suggestions UI - expandable item (Closed)
