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| 1 | +// Copyright 2016 LinkedIn Corp. |
| 2 | +// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. |
| 3 | +// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 |
| 4 | +// |
| 5 | +// Unless required by applicable law or agreed to in writing, |
| 6 | +// software distributed under the License is distributed on an "AS IS" BASIS, |
| 7 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 8 | + |
| 9 | +import UIKit |
| 10 | +import AsyncDisplayKit |
| 11 | + |
| 12 | +/// A LinkedIn feed item that is implemented with Texture. |
| 13 | +class FeedItemTextureNode: ASCellNode { |
| 14 | + let topBarView = TopBarNode() |
| 15 | + let miniProfileView = MiniProfileNode() |
| 16 | + let miniContentView = MiniContentNode() |
| 17 | + let socialActionsView = SocialActionsNode() |
| 18 | + let commentView = CommentNode() |
| 19 | + |
| 20 | + init(data: FeedItemData) { |
| 21 | + topBarView.actionLabel.attributedText = data.actionText.makeAttributedString() |
| 22 | + miniProfileView.posterNameLabel.attributedText = data.posterName.makeAttributedString() |
| 23 | + miniProfileView.posterHeadlineLabel.attributedText = data.posterHeadline.makeAttributedString() |
| 24 | + miniProfileView.posterTimeLabel.attributedText = data.posterTimestamp.makeAttributedString() |
| 25 | + miniProfileView.posterCommentLabel.attributedText = data.posterComment.makeAttributedString() |
| 26 | + miniContentView.contentTitleLabel.attributedText = data.contentTitle.makeAttributedString() |
| 27 | + miniContentView.contentDomainLabel.attributedText = data.contentDomain.makeAttributedString() |
| 28 | + commentView.actorCommentLabel.attributedText = data.actorComment.makeAttributedString() |
| 29 | + super.init() |
| 30 | + [topBarView, miniProfileView, miniContentView, socialActionsView, commentView].forEach { addSubnode($0) } |
| 31 | + } |
| 32 | + |
| 33 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 34 | + let mainStack = ASStackLayoutSpec(direction: .vertical, |
| 35 | + spacing: 0.0, |
| 36 | + justifyContent: .spaceBetween, |
| 37 | + alignItems: .stretch, |
| 38 | + children: [topBarView, miniProfileView, miniContentView, socialActionsView, commentView]) |
| 39 | + return mainStack |
| 40 | + } |
| 41 | +} |
| 42 | + |
| 43 | +class CommentNode: ASDisplayNode { |
| 44 | + let actorImageView: ASImageNode = { |
| 45 | + let i = ASImageNode() |
| 46 | + i.image = UIImage(named: "50x50.png") |
| 47 | + return i |
| 48 | + }() |
| 49 | + |
| 50 | + let actorCommentLabel: ASTextNode = ASTextNode() |
| 51 | + |
| 52 | + override init() { |
| 53 | + super.init() |
| 54 | + [actorImageView, actorCommentLabel].forEach { addSubnode($0) } |
| 55 | + } |
| 56 | + |
| 57 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 58 | + actorCommentLabel.style.flexGrow = 1.0 |
| 59 | + let mainStack = ASStackLayoutSpec(direction: .horizontal, |
| 60 | + spacing: 0.0, |
| 61 | + justifyContent: .spaceBetween, |
| 62 | + alignItems: .start, |
| 63 | + children: [actorImageView, actorCommentLabel]) |
| 64 | + return mainStack |
| 65 | + } |
| 66 | +} |
| 67 | + |
| 68 | +class MiniContentNode: ASDisplayNode { |
| 69 | + let contentImageView: ASImageNode = { |
| 70 | + let i = ASImageNode() |
| 71 | + i.image = UIImage(named: "350x200.png") |
| 72 | + i.contentMode = .scaleAspectFit |
| 73 | + i.backgroundColor = UIColor.orange |
| 74 | + return i |
| 75 | + }() |
| 76 | + |
| 77 | + let contentTitleLabel: ASTextNode = ASTextNode() |
| 78 | + let contentDomainLabel: ASTextNode = ASTextNode() |
| 79 | + |
| 80 | + override init() { |
| 81 | + super.init() |
| 82 | + [contentImageView, contentTitleLabel, contentDomainLabel].forEach { addSubnode($0) } |
| 83 | + } |
| 84 | + |
| 85 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 86 | + let mainStack = ASStackLayoutSpec(direction: .vertical, |
| 87 | + spacing: 0.0, |
| 88 | + justifyContent: .spaceBetween, |
| 89 | + alignItems: .stretch, |
| 90 | + children: [contentImageView, contentTitleLabel, contentDomainLabel]) |
| 91 | + return mainStack |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +class MiniProfileNode: ASDisplayNode { |
| 96 | + let posterImageView: ASImageNode = { |
| 97 | + let i = ASImageNode() |
| 98 | + i.image = UIImage(named: "50x50.png") |
| 99 | + i.backgroundColor = UIColor.orange |
| 100 | + i.contentMode = .center |
| 101 | + return i |
| 102 | + }() |
| 103 | + |
| 104 | + let posterNameLabel: ASTextNode = { |
| 105 | + let l = ASTextNode() |
| 106 | + l.backgroundColor = UIColor.yellow |
| 107 | + return l |
| 108 | + }() |
| 109 | + |
| 110 | + let posterHeadlineLabel: ASTextNode = { |
| 111 | + let l = ASTextNode() |
| 112 | + l.maximumNumberOfLines = 3 |
| 113 | + l.backgroundColor = UIColor.yellow |
| 114 | + return l |
| 115 | + }() |
| 116 | + |
| 117 | + let posterTimeLabel: ASTextNode = { |
| 118 | + let l = ASTextNode() |
| 119 | + l.backgroundColor = UIColor.yellow |
| 120 | + return l |
| 121 | + }() |
| 122 | + |
| 123 | + let posterCommentLabel: ASTextNode = ASTextNode() |
| 124 | + |
| 125 | + override init() { |
| 126 | + super.init() |
| 127 | + [posterNameLabel, posterHeadlineLabel, posterTimeLabel, posterImageView, posterCommentLabel].forEach { addSubnode($0) } |
| 128 | + } |
| 129 | + |
| 130 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 131 | + let textStack = ASStackLayoutSpec(direction: .vertical, spacing: 1.0, justifyContent: .spaceBetween, alignItems: .stretch, children: [posterNameLabel, posterHeadlineLabel, posterTimeLabel]) |
| 132 | + textStack.style.flexGrow = 1.0 |
| 133 | + |
| 134 | + let imageTextStack = ASStackLayoutSpec(direction: .horizontal, |
| 135 | + spacing: 2.0, |
| 136 | + justifyContent: .spaceBetween, |
| 137 | + alignItems: .start, |
| 138 | + children: [posterImageView, |
| 139 | + textStack]) |
| 140 | + |
| 141 | + let mainStack = ASStackLayoutSpec(direction: .vertical, |
| 142 | + spacing: 3.0, |
| 143 | + justifyContent: .start, |
| 144 | + alignItems: .stretch, |
| 145 | + children: [imageTextStack, |
| 146 | + posterCommentLabel]) |
| 147 | + |
| 148 | + let insetStack = ASInsetLayoutSpec(insets: UIEdgeInsets(top: 0.0, left: 0.0, bottom: 0.0, right: 4.0), |
| 149 | + child: mainStack) |
| 150 | + |
| 151 | + return insetStack |
| 152 | + } |
| 153 | +} |
| 154 | + |
| 155 | +class SocialActionsNode: ASDisplayNode { |
| 156 | + let likeLabel: ASTextNode = { |
| 157 | + let l = ASTextNode() |
| 158 | + l.attributedText = "Like".makeAttributedString() |
| 159 | + l.backgroundColor = .green |
| 160 | + return l |
| 161 | + }() |
| 162 | + |
| 163 | + let commentLabel: ASTextNode = { |
| 164 | + let l = ASTextNode() |
| 165 | + l.attributedText = "Comment".makeAttributedString() |
| 166 | + l.backgroundColor = .green |
| 167 | + return l |
| 168 | + }() |
| 169 | + |
| 170 | + let shareLabel: ASTextNode = { |
| 171 | + let l = ASTextNode() |
| 172 | + l.attributedText = "Share".makeAttributedString() |
| 173 | + l.backgroundColor = .green |
| 174 | + return l |
| 175 | + }() |
| 176 | + |
| 177 | + override init() { |
| 178 | + super.init() |
| 179 | + [likeLabel, commentLabel, shareLabel].forEach { addSubnode($0) } |
| 180 | + } |
| 181 | + |
| 182 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 183 | + let mainStack = ASStackLayoutSpec(direction: .horizontal, |
| 184 | + spacing: 0.0, |
| 185 | + justifyContent: .spaceBetween, |
| 186 | + alignItems: .start, |
| 187 | + children: [likeLabel, commentLabel, shareLabel]) |
| 188 | + return mainStack |
| 189 | + } |
| 190 | +} |
| 191 | + |
| 192 | +class TopBarNode: ASDisplayNode { |
| 193 | + let actionLabel: ASTextNode = ASTextNode() |
| 194 | + |
| 195 | + let optionsLabel: ASTextNode = { |
| 196 | + let l = ASTextNode() |
| 197 | + l.attributedText = "...".makeAttributedString() |
| 198 | + return l |
| 199 | + }() |
| 200 | + |
| 201 | + override init() { |
| 202 | + super.init() |
| 203 | + [actionLabel, optionsLabel].forEach { addSubnode($0) } |
| 204 | + } |
| 205 | + |
| 206 | + override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec { |
| 207 | + let mainStack = ASStackLayoutSpec(direction: .horizontal, |
| 208 | + spacing: 0.0, |
| 209 | + justifyContent: .start, |
| 210 | + alignItems: .start, |
| 211 | + children: [actionLabel, optionsLabel]) |
| 212 | + actionLabel.style.flexGrow = 1.0 |
| 213 | + return mainStack |
| 214 | + } |
| 215 | +} |
| 216 | + |
| 217 | +private extension String { |
| 218 | + func makeAttributedString() -> NSAttributedString { |
| 219 | + return NSAttributedString(string: self, attributes: [.font: UIFont.systemFont(ofSize: 17.0)]) |
| 220 | + } |
| 221 | +} |
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