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| 1 // Copyright 2017 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_favicon_item.h" | |
| 6 | |
| 7 #import <UIKit/UIKit.h> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #import "ios/chrome/browser/ui/suggestions/suggestions_favicon_internal_cell.h" | |
| 11 #import "ios/chrome/browser/ui/uikit_ui_util.h" | |
| 12 | |
| 13 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 14 #error "This file requires ARC support." | |
| 15 #endif | |
| 16 | |
| 17 namespace { | |
| 18 // Space between two cells in the internal collection view. | |
| 19 const CGFloat kInternalCellSpacing = 40; | |
| 20 // Width of the cells in the internal collection view. | |
| 21 const CGFloat kInternalCellWidth = 70; | |
| 22 // Height of the cells in the internal collection view. | |
| 23 const CGFloat kInternalCellHeight = 120; | |
| 24 // Leading inset of the internal collection view. | |
| 25 const CGFloat kInternalLeadingSpacing = 16; | |
| 26 } // namespace | |
| 27 | |
| 28 #pragma mark - SugggestionsFaviconItem | |
| 29 | |
| 30 // The item is the data source of the inner collection view. | |
| 31 @interface SuggestionsFaviconItem ()<UICollectionViewDataSource> { | |
| 32 NSMutableArray<NSString*>* _faviconTitles; | |
| 33 NSMutableArray<UIImage*>* _faviconImages; | |
| 34 } | |
| 35 | |
| 36 @end | |
| 37 | |
| 38 @implementation SuggestionsFaviconItem | |
| 39 | |
| 40 @synthesize delegate = _delegate; | |
| 41 | |
| 42 - (instancetype)initWithType:(NSInteger)type { | |
| 43 self = [super initWithType:type]; | |
| 44 if (self) { | |
| 45 self.cellClass = [SuggestionsFaviconCell class]; | |
| 46 _faviconTitles = [NSMutableArray array]; | |
| 47 _faviconImages = [NSMutableArray array]; | |
| 48 } | |
| 49 return self; | |
| 50 } | |
| 51 | |
| 52 - (void)addFavicon:(UIImage*)favicon withTitle:(NSString*)title { | |
| 53 [_faviconImages addObject:favicon]; | |
| 54 [_faviconTitles addObject:title]; | |
| 55 } | |
| 56 | |
| 57 #pragma mark - UICollectionViewDataSource | |
| 58 | |
| 59 - (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView | |
| 60 cellForItemAtIndexPath:(NSIndexPath*)indexPath { | |
| 61 SuggestionsFaviconInternalCell* cell = [collectionView | |
| 62 dequeueReusableCellWithReuseIdentifier:[SuggestionsFaviconInternalCell | |
| 63 reuseIdentifier] | |
| 64 forIndexPath:indexPath]; | |
| 65 cell.faviconView.image = [_faviconImages objectAtIndex:indexPath.item]; | |
| 66 cell.titleLabel.text = [_faviconTitles objectAtIndex:indexPath.item]; | |
| 67 return cell; | |
| 68 } | |
| 69 | |
| 70 - (NSInteger)collectionView:(UICollectionView*)collectionView | |
| 71 numberOfItemsInSection:(NSInteger)section { | |
| 72 DCHECK([_faviconImages count] == [_faviconTitles count]); | |
| 73 return [_faviconImages count]; | |
| 74 } | |
| 75 | |
| 76 #pragma mark - CollectionViewItem | |
| 77 | |
| 78 - (void)configureCell:(SuggestionsFaviconCell*)cell { | |
| 79 [super configureCell:cell]; | |
| 80 cell.collectionView.dataSource = self; | |
| 81 cell.delegate = self.delegate; | |
| 82 } | |
| 83 | |
| 84 @end | |
| 85 | |
| 86 #pragma mark - SuggestionsFaviconCell | |
| 87 | |
| 88 // The cell is the delegate of the inner collection view. | |
| 89 @interface SuggestionsFaviconCell ()<UICollectionViewDelegate> | |
| 90 | |
| 91 @end | |
| 92 | |
| 93 @implementation SuggestionsFaviconCell | |
| 94 | |
| 95 @synthesize collectionView = _collectionView; | |
| 96 @synthesize delegate = _delegate; | |
| 97 | |
| 98 - (instancetype)initWithFrame:(CGRect)frame { | |
| 99 self = [super initWithFrame:frame]; | |
| 100 if (self) { | |
| 101 UICollectionViewFlowLayout* layout = | |
| 102 [[UICollectionViewFlowLayout alloc] init]; | |
| 103 layout.scrollDirection = UICollectionViewScrollDirectionHorizontal; | |
| 104 layout.minimumInteritemSpacing = kInternalCellSpacing; | |
| 105 layout.itemSize = CGSizeMake(kInternalCellWidth, kInternalCellHeight); | |
| 106 layout.sectionInset = UIEdgeInsetsMake(0, kInternalLeadingSpacing, 0, 0); | |
| 107 | |
| 108 _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero | |
| 109 collectionViewLayout:layout]; | |
| 110 [_collectionView registerClass:[SuggestionsFaviconInternalCell class] | |
| 111 forCellWithReuseIdentifier:[SuggestionsFaviconInternalCell | |
| 112 reuseIdentifier]]; | |
| 113 _collectionView.backgroundColor = [UIColor clearColor]; | |
| 114 _collectionView.translatesAutoresizingMaskIntoConstraints = NO; | |
| 115 | |
| 116 _collectionView.delegate = self; | |
| 117 | |
| 118 [self.contentView addSubview:_collectionView]; | |
| 119 AddSameSizeConstraint(_collectionView, self.contentView); | |
| 120 [_collectionView.heightAnchor constraintEqualToConstant:kInternalCellHeight] | |
| 121 .active = YES; | |
| 122 } | |
| 123 return self; | |
| 124 } | |
| 125 | |
| 126 - (void)prepareForReuse { | |
| 127 [super prepareForReuse]; | |
| 128 self.collectionView.dataSource = nil; | |
| 129 self.delegate = nil; | |
| 130 } | |
| 131 | |
| 132 #pragma mark - UICollectionViewDelegate | |
| 133 | |
| 134 - (void)collectionView:(UICollectionView*)collectionView | |
| 135 didSelectItemAtIndexPath:(NSIndexPath*)indexPath { | |
| 136 [self.delegate openFaviconAtIndexPath:indexPath]; | |
| 137 } | |
| 138 | |
| 139 @end | |
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Chromium Code Reviews
Issue 2644123003:
Move ios/ui/suggestions to ios/ui/content_suggestions (Closed)
