ios/chrome/browser/ui/suggestions/suggestions_collection_updater.mm - Issue 2644123003: Move ios/ui/suggestions to ios/ui/content_suggestions

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Issue 2644123003: Move ios/ui/suggestions to ios/ui/content_suggestions (Closed)

Patch Set: Created 3 years, 11 months ago

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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_collection_updater.h"

6

7 #include "base/logging.h"

8 #include "base/mac/foundation_util.h"

9 #import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"

10 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"

11 #import "ios/chrome/browser/ui/suggestions/suggestions_article_item.h"

12 #import "ios/chrome/browser/ui/suggestions/suggestions_expandable_item.h"

13 #import "ios/chrome/browser/ui/suggestions/suggestions_item.h"

14 #import "ios/chrome/browser/ui/suggestions/suggestions_stack_item.h"

15 #import "ios/chrome/browser/ui/suggestions/suggestions_view_controller.h"

16

17 #if !defined(__has_feature) \|\| !__has_feature(objc_arc)

18 #error "This file requires ARC support."

19 #endif

20

21 @implementation SuggestionsCollectionUpdater

22

23 @synthesize collectionViewController = _collectionViewController;

24

25 #pragma mark - Properties

26

27 - (void)setCollectionViewController:

28 (SuggestionsViewController*)collectionViewController {

29 _collectionViewController = collectionViewController;

30 [collectionViewController loadModel];

31 CollectionViewModel* model = collectionViewController.collectionViewModel;

32 NSInteger sectionIdentifier = kSectionIdentifierEnumZero;

33 [model addSectionWithIdentifier:sectionIdentifier];

34 [model addItem:[[SuggestionsStackItem alloc] initWithType:ItemTypeStack

35 title:@"The title"

36 subtitle:@"The subtitle"]

37 toSectionWithIdentifier:sectionIdentifier++];

38

39 for (NSInteger i = 0; i < 3; i++) {

40 [model addSectionWithIdentifier:sectionIdentifier];

41 [model addItem:[[SuggestionsItem alloc] initWithType:ItemTypeText

42 title:@"The title"

43 subtitle:@"The subtitle"]

44 toSectionWithIdentifier:sectionIdentifier];

45 [model addItem:[[SuggestionsArticleItem alloc]

46 initWithType:ItemTypeArticle

47 title:@"Title of an Article"

48 subtitle:@"This is the subtitle of an article, can "

49 @"spawn on multiple lines"

50 image:[UIImage

51 imageNamed:@"distillation_success"]]

52 toSectionWithIdentifier:sectionIdentifier];

53 SuggestionsExpandableItem* expandableItem =

54 [[SuggestionsExpandableItem alloc]

55 initWithType:ItemTypeExpand

56 title:@"Title of an Expandable Article"

57 subtitle:@"This Article can be expanded to display "

58 @"additional information or interaction "

59 @"options"

60 image:[UIImage imageNamed:@"distillation_fail"]

61 detailText:@"Details shown only when the article is "

62 @"expanded. It can be displayed on "

63 @"multiple lines."];

64 expandableItem.delegate = _collectionViewController;

65 [model addItem:expandableItem toSectionWithIdentifier:sectionIdentifier];

66 sectionIdentifier++;

67 }

68 }

69

70 #pragma mark - Public methods

71

72 - (void)addTextItem:(NSString*)title

73 subtitle:(NSString*)subtitle

74 toSection:(NSInteger)inputSection {

75 DCHECK(_collectionViewController);

76 SuggestionsItem* item = [[SuggestionsItem alloc] initWithType:ItemTypeText

77 title:title

78 subtitle:subtitle];

79 NSInteger sectionIdentifier = kSectionIdentifierEnumZero + inputSection;

80 NSInteger sectionIndex = inputSection;

81 CollectionViewModel* model = _collectionViewController.collectionViewModel;

82 if ([model numberOfSections] <= inputSection) {

83 sectionIndex = [model numberOfSections];

84 sectionIdentifier = kSectionIdentifierEnumZero + sectionIndex;

85 [_collectionViewController.collectionView performBatchUpdates:^{

86 [_collectionViewController.collectionViewModel

87 addSectionWithIdentifier:sectionIdentifier];

88 [_collectionViewController.collectionView

89 insertSections:[NSIndexSet indexSetWithIndex:sectionIndex]];

90 }

91 completion:nil];

92 }

93 NSInteger numberOfItemsInSection =

94 [model numberOfItemsInSection:sectionIndex];

95 [_collectionViewController.collectionViewModel addItem:item

96 toSectionWithIdentifier:sectionIdentifier];

97 [_collectionViewController.collectionView performBatchUpdates:^{

98 [_collectionViewController.collectionView

99 insertItemsAtIndexPaths:@[ [NSIndexPath

100 indexPathForRow:numberOfItemsInSection

101 inSection:sectionIndex] ]];

102 }

103 completion:nil];

104 }

105

106 - (BOOL)shouldUseCustomStyleForSection:(NSInteger)section {

107 return section == 0;

108 }

109

110 @end

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