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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/payments/cells/shipping_address_item.h" | |
| 6 | |
| 7 #import "ios/third_party/material_components_ios/src/components/Palettes/src/Mat
erialPalettes.h" | |
| 8 #import "ios/third_party/material_components_ios/src/components/Typography/src/M
aterialTypography.h" | |
| 9 | |
| 10 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 11 #error "This file requires ARC support." | |
| 12 #endif | |
| 13 | |
| 14 namespace { | |
| 15 // Padding of the leading and trailing edges of the cell. | |
| 16 const CGFloat kHorizontalPadding = 16; | |
| 17 | |
| 18 // Padding of the top and bottom edges of the cell. | |
| 19 const CGFloat kVerticalPadding = 16; | |
| 20 | |
| 21 // Spacing between the labels. | |
| 22 const CGFloat kVerticalSpacingBetweenLabels = 8; | |
| 23 } // namespace | |
| 24 | |
| 25 @implementation ShippingAddressItem | |
| 26 | |
| 27 @synthesize name = _name; | |
| 28 @synthesize address = _address; | |
| 29 @synthesize phoneNumber = _phoneNumber; | |
| 30 @synthesize accessoryType = _accessoryType; | |
| 31 | |
| 32 #pragma mark CollectionViewItem | |
| 33 | |
| 34 - (instancetype)initWithType:(NSInteger)type { | |
| 35 self = [super initWithType:type]; | |
| 36 if (self) { | |
| 37 self.cellClass = [ShippingAddressCell class]; | |
| 38 } | |
| 39 return self; | |
| 40 } | |
| 41 | |
| 42 - (void)configureCell:(ShippingAddressCell*)cell { | |
| 43 [super configureCell:cell]; | |
| 44 cell.accessoryType = self.accessoryType; | |
| 45 cell.nameLabel.text = self.name; | |
| 46 cell.addressLabel.text = self.address; | |
| 47 cell.phoneNumberLabel.text = self.phoneNumber; | |
| 48 } | |
| 49 | |
| 50 @end | |
| 51 | |
| 52 @implementation ShippingAddressCell | |
| 53 | |
| 54 @synthesize nameLabel = _nameLabel; | |
| 55 @synthesize addressLabel = _addressLabel; | |
| 56 @synthesize phoneNumberLabel = _phoneNumberLabel; | |
| 57 | |
| 58 - (instancetype)initWithFrame:(CGRect)frame { | |
| 59 self = [super initWithFrame:frame]; | |
| 60 if (self) { | |
| 61 self.isAccessibilityElement = YES; | |
| 62 [self addSubviews]; | |
| 63 [self setDefaultViewStyling]; | |
| 64 [self setViewConstraints]; | |
| 65 } | |
| 66 return self; | |
| 67 } | |
| 68 | |
| 69 // Create and add subviews. | |
| 70 - (void)addSubviews { | |
| 71 UIView* contentView = self.contentView; | |
| 72 contentView.clipsToBounds = YES; | |
| 73 | |
| 74 _nameLabel = [[UILabel alloc] init]; | |
| 75 _nameLabel.translatesAutoresizingMaskIntoConstraints = NO; | |
| 76 [contentView addSubview:_nameLabel]; | |
| 77 | |
| 78 _addressLabel = [[UILabel alloc] init]; | |
| 79 _addressLabel.translatesAutoresizingMaskIntoConstraints = NO; | |
| 80 [contentView addSubview:_addressLabel]; | |
| 81 | |
| 82 _phoneNumberLabel = [[UILabel alloc] init]; | |
| 83 _phoneNumberLabel.translatesAutoresizingMaskIntoConstraints = NO; | |
| 84 [contentView addSubview:_phoneNumberLabel]; | |
| 85 } | |
| 86 | |
| 87 // Set default font and text colors for labels. | |
| 88 - (void)setDefaultViewStyling { | |
| 89 _nameLabel.font = [MDCTypography body2Font]; | |
| 90 _nameLabel.textColor = [[MDCPalette greyPalette] tint900]; | |
| 91 _nameLabel.numberOfLines = 0; | |
| 92 _nameLabel.lineBreakMode = NSLineBreakByWordWrapping; | |
| 93 | |
| 94 _addressLabel.font = [MDCTypography body1Font]; | |
| 95 _addressLabel.textColor = [[MDCPalette greyPalette] tint900]; | |
| 96 _addressLabel.numberOfLines = 0; | |
| 97 _addressLabel.lineBreakMode = NSLineBreakByWordWrapping; | |
| 98 | |
| 99 _phoneNumberLabel.font = [MDCTypography body1Font]; | |
| 100 _phoneNumberLabel.textColor = [[MDCPalette greyPalette] tint900]; | |
| 101 } | |
| 102 | |
| 103 // Set constraints on subviews. | |
| 104 - (void)setViewConstraints { | |
| 105 UIView* contentView = self.contentView; | |
| 106 | |
| 107 [NSLayoutConstraint activateConstraints:@[ | |
| 108 // Set leading anchors. | |
| 109 [_nameLabel.leadingAnchor constraintEqualToAnchor:contentView.leadingAnchor | |
| 110 constant:kHorizontalPadding], | |
| 111 [_addressLabel.leadingAnchor | |
| 112 constraintEqualToAnchor:_nameLabel.leadingAnchor], | |
| 113 [_phoneNumberLabel.leadingAnchor | |
| 114 constraintEqualToAnchor:_addressLabel.leadingAnchor], | |
| 115 | |
| 116 // Set vertical anchors. | |
| 117 [_nameLabel.topAnchor constraintEqualToAnchor:contentView.topAnchor | |
| 118 constant:kVerticalPadding], | |
| 119 [_addressLabel.topAnchor | |
| 120 constraintEqualToAnchor:_nameLabel.bottomAnchor | |
| 121 constant:kVerticalSpacingBetweenLabels], | |
| 122 [_addressLabel.bottomAnchor | |
| 123 constraintEqualToAnchor:_phoneNumberLabel.topAnchor | |
| 124 constant:-kVerticalSpacingBetweenLabels], | |
| 125 [_phoneNumberLabel.bottomAnchor | |
| 126 constraintEqualToAnchor:contentView.bottomAnchor | |
| 127 constant:-kVerticalPadding], | |
| 128 | |
| 129 // Set trailing anchors. | |
| 130 [_nameLabel.trailingAnchor | |
| 131 constraintLessThanOrEqualToAnchor:contentView.trailingAnchor | |
| 132 constant:-kHorizontalPadding], | |
| 133 [_addressLabel.trailingAnchor | |
| 134 constraintLessThanOrEqualToAnchor:_nameLabel.trailingAnchor], | |
| 135 [_phoneNumberLabel.trailingAnchor | |
| 136 constraintLessThanOrEqualToAnchor:_addressLabel.trailingAnchor], | |
| 137 ]]; | |
| 138 } | |
| 139 | |
| 140 #pragma mark - UIView | |
| 141 | |
| 142 // Implement -layoutSubviews as per instructions in documentation for | |
| 143 // +[MDCCollectionViewCell cr_preferredHeightForWidth:forItem:]. | |
| 144 - (void)layoutSubviews { | |
| 145 // When the accessory type is None, the content view of the cell (and thus) | |
| 146 // the labels inside it span larger than when there is a Checkmark accessory | |
| 147 // type. That means that toggling the accessory type can induce a rewrapping | |
| 148 // of the texts, which is not visually pleasing. To alleviate that issue | |
| 149 // always lay out the cell as if there was a Checkmark accessory type. | |
| 150 // | |
| 151 // Force the accessory type to Checkmark for the duration of layout. | |
| 152 MDCCollectionViewCellAccessoryType realAccessoryType = self.accessoryType; | |
| 153 self.accessoryType = MDCCollectionViewCellAccessoryCheckmark; | |
| 154 | |
| 155 [super layoutSubviews]; | |
| 156 | |
| 157 // Adjust labels' preferredMaxLayoutWidth when the parent's width changes, for | |
| 158 // instance on screen rotation. | |
| 159 CGFloat parentWidth = CGRectGetWidth(self.contentView.frame); | |
| 160 CGFloat preferredMaxLayoutWidth = parentWidth - (2 * kHorizontalPadding); | |
| 161 _nameLabel.preferredMaxLayoutWidth = preferredMaxLayoutWidth; | |
| 162 _addressLabel.preferredMaxLayoutWidth = preferredMaxLayoutWidth; | |
| 163 _phoneNumberLabel.preferredMaxLayoutWidth = preferredMaxLayoutWidth; | |
| 164 | |
| 165 // Re-layout with the new preferred width to allow the label to adjust its | |
| 166 // height. | |
| 167 [super layoutSubviews]; | |
| 168 | |
| 169 // Restore the real accessory type at the end of the layout. | |
| 170 self.accessoryType = realAccessoryType; | |
| 171 } | |
| 172 | |
| 173 #pragma mark - UICollectionReusableView | |
| 174 | |
| 175 - (void)prepareForReuse { | |
| 176 [super prepareForReuse]; | |
| 177 self.nameLabel.text = nil; | |
| 178 self.addressLabel.text = nil; | |
| 179 self.phoneNumberLabel.text = nil; | |
| 180 self.accessoryType = MDCCollectionViewCellAccessoryNone; | |
| 181 } | |
| 182 | |
| 183 #pragma mark - NSObject(Accessibility) | |
| 184 | |
| 185 - (NSString*)accessibilityLabel { | |
| 186 return [NSString stringWithFormat:@"%@, %@, %@", self.nameLabel.text, | |
| 187 self.addressLabel.text, | |
| 188 self.phoneNumberLabel.text]; | |
| 189 } | |
| 190 | |
| 191 @end | |
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