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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 // ====== New Architecture ===== | |
| 6 // = This code is only used in the new iOS Chrome architecture. = | |
| 7 // ============================================================================ | |
| 8 | |
| 9 #import "ios/chrome/browser/ui/tab_grid/tab_grid_view_controller.h" | |
| 10 | |
| 11 #include "base/mac/foundation_util.h" | |
| 12 #import "ios/chrome/browser/ui/actions/settings_actions.h" | |
| 13 #import "ios/chrome/browser/ui/actions/tab_grid_actions.h" | |
| 14 #import "ios/chrome/browser/ui/tab_grid/tab_grid_tab_cell.h" | |
| 15 #import "ios/chrome/browser/ui/commands/settings_commands.h" | |
| 16 #import "ios/chrome/browser/ui/commands/tab_commands.h" | |
| 17 #import "ios/chrome/browser/ui/commands/tab_grid_commands.h" | |
| 18 | |
| 19 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 20 #error "This file requires ARC support." | |
| 21 #endif | |
| 22 | |
| 23 namespace { | |
| 24 NSString* const kTabGridCellIdentifier = @"tabGridCell"; | |
| 25 const CGFloat kSpace = 20; | |
| 26 const CGFloat kTabSize = 150; | |
| 27 } | |
| 28 | |
| 29 @interface TabGridViewController ()<SettingsActions, | |
| 30 TabGridActions, | |
| 31 UICollectionViewDataSource, | |
| 32 UICollectionViewDelegate> | |
| 33 @property(nonatomic, weak) UICollectionView* grid; | |
| 34 @end | |
| 35 | |
| 36 @implementation TabGridViewController | |
| 37 | |
| 38 @synthesize dataSource = _dataSource; | |
| 39 @synthesize settingsCommandHandler = _settingsCommandHandler; | |
| 40 @synthesize tabGridCommandHandler = _tabGridCommandHandler; | |
| 41 @synthesize tabCommandHandler = _tabCommandHandler; | |
| 42 @synthesize grid = _grid; | |
| 43 | |
| 44 - (void)viewDidLoad { | |
| 45 // Placeholder dark grey stripe at the top of the view. | |
| 46 UIView* stripe = [[UIView alloc] initWithFrame:CGRectZero]; | |
| 47 stripe.translatesAutoresizingMaskIntoConstraints = NO; | |
| 48 stripe.backgroundColor = [UIColor darkGrayColor]; | |
| 49 [self.view addSubview:stripe]; | |
| 50 | |
| 51 // Placeholder settings button at in the stripe. | |
| 52 UIButton* settings = [UIButton buttonWithType:UIButtonTypeSystem]; | |
| 53 settings.translatesAutoresizingMaskIntoConstraints = NO; | |
| 54 [settings setTitle:@"⚙" forState:UIControlStateNormal]; | |
| 55 settings.titleLabel.font = [UIFont systemFontOfSize:24.0]; | |
| 56 [settings addTarget:nil | |
| 57 action:@selector(showSettings:) | |
| 58 forControlEvents:UIControlEventTouchUpInside]; | |
| 59 [stripe addSubview:settings]; | |
| 60 | |
| 61 [NSLayoutConstraint activateConstraints:@[ | |
| 62 [stripe.heightAnchor constraintEqualToConstant:64.0], | |
| 63 [stripe.widthAnchor constraintEqualToAnchor:self.view.widthAnchor], | |
| 64 [stripe.topAnchor constraintEqualToAnchor:self.view.topAnchor], | |
| 65 [stripe.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor], | |
| 66 [settings.leadingAnchor | |
| 67 constraintEqualToAnchor:stripe.layoutMarginsGuide.leadingAnchor], | |
| 68 [settings.centerYAnchor constraintEqualToAnchor:stripe.centerYAnchor] | |
| 69 ]]; | |
| 70 | |
| 71 UICollectionViewFlowLayout* layout = | |
| 72 [[UICollectionViewFlowLayout alloc] init]; | |
| 73 layout.minimumLineSpacing = kSpace; | |
| 74 layout.minimumInteritemSpacing = kSpace; | |
| 75 layout.sectionInset = UIEdgeInsetsMake(kSpace, kSpace, kSpace, kSpace); | |
| 76 layout.itemSize = CGSizeMake(kTabSize, kTabSize); | |
| 77 | |
| 78 UICollectionView* grid = [[UICollectionView alloc] initWithFrame:CGRectZero | |
| 79 collectionViewLayout:layout]; | |
| 80 grid.translatesAutoresizingMaskIntoConstraints = NO; | |
| 81 grid.backgroundColor = [UIColor blackColor]; | |
| 82 | |
| 83 [self.view addSubview:grid]; | |
| 84 self.grid = grid; | |
| 85 self.grid.dataSource = self; | |
| 86 self.grid.delegate = self; | |
| 87 [self.grid registerClass:[TabGridTabCell class] | |
| 88 forCellWithReuseIdentifier:kTabGridCellIdentifier]; | |
| 89 | |
| 90 [NSLayoutConstraint activateConstraints:@[ | |
| 91 [self.grid.topAnchor constraintEqualToAnchor:stripe.bottomAnchor], | |
| 92 [self.grid.bottomAnchor constraintEqualToAnchor:self.view.bottomAnchor], | |
| 93 [self.grid.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor], | |
| 94 [self.grid.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor], | |
| 95 ]]; | |
| 96 } | |
| 97 | |
| 98 - (void)viewWillAppear:(BOOL)animated { | |
| 99 [self.grid reloadData]; | |
| 100 } | |
| 101 | |
| 102 #pragma mark - UICollectionViewDataSource methods | |
| 103 | |
| 104 - (NSInteger)numberOfSectionsInCollectionView: | |
| 105 (UICollectionView*)collectionView { | |
| 106 return 1; | |
| 107 } | |
| 108 | |
| 109 - (NSInteger)collectionView:(UICollectionView*)collectionView | |
| 110 numberOfItemsInSection:(NSInteger)section { | |
| 111 return [self.dataSource numberOfTabsInTabGrid]; | |
| 112 } | |
| 113 | |
| 114 - (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView | |
| 115 cellForItemAtIndexPath:(nonnull NSIndexPath*)indexPath { | |
| 116 TabGridTabCell* cell = | |
| 117 base::mac::ObjCCastStrict<TabGridTabCell>([collectionView | |
| 118 dequeueReusableCellWithReuseIdentifier:kTabGridCellIdentifier | |
| 119 forIndexPath:indexPath]); | |
| 120 cell.contentView.backgroundColor = [UIColor purpleColor]; | |
| 121 cell.selected = YES; | |
| 122 cell.label.text = [self.dataSource titleAtIndex:indexPath.item]; | |
| 123 return cell; | |
| 124 } | |
| 125 | |
| 126 #pragma mark - UICollectionViewDelegate methods | |
| 127 | |
| 128 - (void)collectionView:(UICollectionView*)collectionView | |
| 129 didSelectItemAtIndexPath:(NSIndexPath*)indexPath { | |
| 130 [self.tabCommandHandler showTabAtIndexPath:indexPath]; | |
| 131 } | |
| 132 | |
| 133 #pragma mark - ZoomTransitionDelegate methods | |
| 134 | |
| 135 - (CGRect)rectForZoomWithKey:(NSObject*)key inView:(UIView*)view { | |
| 136 NSIndexPath* cellPath = base::mac::ObjCCastStrict<NSIndexPath>(key); | |
| 137 if (!key) | |
| 138 return CGRectNull; | |
| 139 UICollectionViewCell* cell = [self.grid cellForItemAtIndexPath:cellPath]; | |
| 140 return [view convertRect:cell.bounds fromView:cell]; | |
| 141 } | |
| 142 | |
| 143 #pragma mark - SettingsActions | |
| 144 | |
| 145 - (void)showSettings:(id)sender { | |
| 146 [self.settingsCommandHandler showSettings]; | |
| 147 } | |
| 148 | |
| 149 #pragma mark - TabGridActions | |
| 150 | |
| 151 - (void)showTabGrid:(id)sender { | |
| 152 [self.tabGridCommandHandler showTabGrid]; | |
| 153 } | |
| 154 | |
| 155 @end | |
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Chromium Code Reviews
Issue 2592983003:
[Clean Skeleton] Migrate code to clean/ (Closed)
