Suggestions UI - expandable item

ios/chrome/browser/ui/suggestions/suggestions_data_source.mm

Index: ios/chrome/browser/ui/suggestions/suggestions_data_source.mm
diff --git a/ios/chrome/browser/ui/suggestions/suggestions_data_source.mm b/ios/chrome/browser/ui/suggestions/suggestions_data_source.mm
deleted file mode 100644
index 31df618a150192f1faae3d9b3c66e168f16b4413..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/suggestions/suggestions_data_source.mm
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "ios/chrome/browser/ui/suggestions/suggestions_data_source.h"
-
-#import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
-#import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
-#import "ios/chrome/browser/ui/suggestions/suggestions_article_item.h"
-#import "ios/chrome/browser/ui/suggestions/suggestions_item.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-typedef NS_ENUM(NSInteger, ItemType) {
-  ItemTypeText = kItemTypeEnumZero,
-  ItemTypeArticle,
-  ItemTypeExpand,
-};
-
-}  // namespace
-
-@implementation SuggestionsDataSource {
-  NSMutableArray<NSMutableArray<CollectionViewItem*>*>* _items;
-}
-
-@synthesize collectionViewController = _collectionViewController;
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _items = [NSMutableArray arrayWithCapacity:1];
-    for (NSInteger i = 0; i < 3; i++) {
-      NSMutableArray<CollectionViewItem*>* arrayToAdd =
-          [NSMutableArray arrayWithCapacity:3];
-      [arrayToAdd
-          addObject:[[SuggestionsArticleItem alloc]
-                        initWithType:ItemTypeArticle
-                               title:@"Title of an Article"
-                            subtitle:@"This is the subtitle of an article, can "
-                                     @"spawn on multiple lines"
-                               image:[UIImage
-                                         imageNamed:@"distillation_success"]]];
-      [arrayToAdd
-          addObject:[[SuggestionsItem alloc] initWithType:ItemTypeText
-                                                    title:@"The title"
-                                                 subtitle:@"The subtitle"]];
-      [_items addObject:arrayToAdd];
-    }
-  }
-  return self;
-}
-
-#pragma mark - Properties
-
-- (void)setCollectionViewController:
-    (CollectionViewController*)collectionViewController {
-  _collectionViewController = collectionViewController;
-  if (!collectionViewController) {
-    return;
-  }
-  [collectionViewController loadModel];
-  CollectionViewModel* model = collectionViewController.collectionViewModel;
-  NSInteger sectionIdentifier = kSectionIdentifierEnumZero;
-  for (NSMutableArray<CollectionViewItem*>* arrayWithItems in _items) {
-    [model addSectionWithIdentifier:sectionIdentifier];
-    for (CollectionViewItem* item in arrayWithItems) {
-      [model addItem:item toSectionWithIdentifier:sectionIdentifier];
-    }
-    sectionIdentifier++;
-  }
-}
-
-#pragma mark - Public methods
-
-- (void)addTextItem:(NSString*)title
-           subtitle:(NSString*)subtitle
-          toSection:(NSUInteger)section {
-  SuggestionsItem* item = [[SuggestionsItem alloc] initWithType:ItemTypeText
-                                                          title:title
-                                                       subtitle:subtitle];
-  NSInteger sectionIdentifier = kSectionIdentifierEnumZero + section;
-  NSInteger sectionIndex = section;
-  if (section >= [_items count]) {
-    sectionIndex = [_items count];
-    sectionIdentifier = kSectionIdentifierEnumZero + section;
-    [_items addObject:[NSMutableArray arrayWithObject:item]];
-    if (_collectionViewController) {
-      [_collectionViewController.collectionView performBatchUpdates:^{
-        [_collectionViewController.collectionViewModel
-            addSectionWithIdentifier:sectionIdentifier];
-        [_collectionViewController.collectionView
-            insertSections:[NSIndexSet indexSetWithIndex:sectionIndex]];
-      }
-                                                         completion:^(BOOL){
-                                                         }];
-    }
-  }
-  [[_items objectAtIndex:section] addObject:item];
-  if (_collectionViewController) {
-    [_collectionViewController.collectionViewModel addItem:item
-                                   toSectionWithIdentifier:sectionIdentifier];
-    [_collectionViewController.collectionView performBatchUpdates:^{
-      [_collectionViewController.collectionView insertItemsAtIndexPaths:@[
-        [NSIndexPath indexPathForRow:[[_items objectAtIndex:section] count] - 1
-                           inSection:section]
-      ]];
-    }
-                                                       completion:^(BOOL){
-                                                       }];
-  }
-}
-
-@end