damus

nostr ios client
git clone git://jb55.com/damus
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HighlightLink.swift (3497B)

      1 //
      2 //  HighlightLink.swift
      3 //  damus
      4 //
      5 //  Created by eric on 4/28/24.
      6 //
      7 
      8 import SwiftUI
      9 import Kingfisher
     10 
     11 struct HighlightLink: View {
     12     let state: DamusState
     13     let url: URL
     14     let content: String
     15     @Environment(\.openURL) var openURL
     16 
     17     func text_fragment_url() -> URL? {
     18         let fragmentDirective = "#:~:"
     19         let textDirective = "text="
     20         let separator = ","
     21         var text = ""
     22 
     23         let components = content.components(separatedBy: " ")
     24         if components.count <= 10 {
     25             text = content
     26         } else {
     27             let textStart = Array(components.prefix(5)).joined(separator: " ")
     28             let textEnd = Array(components.suffix(2)).joined(separator: " ")
     29             text = textStart + separator + textEnd
     30         }
     31 
     32         let url_with_fragments = url.absoluteString + fragmentDirective + textDirective + text
     33         return URL(string: url_with_fragments)
     34     }
     35 
     36     func get_url_icon() -> URL? {
     37         var icon = URL(string: url.absoluteString + "/favicon.ico")
     38         if let url_host = url.host() {
     39             icon = URL(string: "https://" + url_host + "/favicon.ico")
     40         }
     41         return icon
     42     }
     43 
     44     var body: some View {
     45         Button(action: {
     46             openURL(text_fragment_url() ?? url)
     47         }, label: {
     48             HStack(spacing: 10) {
     49                 if let url = get_url_icon() {
     50                     KFAnimatedImage(url)
     51                         .imageContext(.pfp, disable_animation: true)
     52                         .cancelOnDisappear(true)
     53                         .configure { view in
     54                             view.framePreloadCount = 3
     55                         }
     56                         .placeholder { _ in
     57                             Image("link")
     58                                 .resizable()
     59                                 .padding(5)
     60                                 .foregroundColor(DamusColors.neutral6)
     61                                 .background(DamusColors.adaptableWhite)
     62                         }
     63                         .frame(width: 35, height: 35)
     64                         .kfClickable()
     65                         .clipShape(RoundedRectangle(cornerRadius: 10))
     66                         .scaledToFit()
     67                 } else {
     68                     Image("link")
     69                         .resizable()
     70                         .padding(5)
     71                         .foregroundColor(DamusColors.neutral6)
     72                         .background(DamusColors.adaptableWhite)
     73                         .frame(width: 35, height: 35)
     74                         .clipShape(RoundedRectangle(cornerRadius: 10))
     75                 }
     76 
     77                 Text(url.absoluteString)
     78                     .font(eventviewsize_to_font(.normal, font_size: state.settings.font_size))
     79                     .foregroundColor(DamusColors.adaptableBlack)
     80                     .truncationMode(.tail)
     81                     .lineLimit(1)
     82             }
     83             .padding([.leading, .vertical], 7)
     84             .frame(maxWidth: .infinity, alignment: .leading)
     85             .background(DamusColors.neutral3)
     86             .cornerRadius(10)
     87             .overlay(
     88                 RoundedRectangle(cornerRadius: 10)
     89                     .stroke(DamusColors.neutral3, lineWidth: 2)
     90             )
     91         })
     92     }
     93 }
     94 
     95 struct HighlightLink_Previews: PreviewProvider {
     96     static var previews: some View {
     97         let url = URL(string: "https://damus.io")!
     98         VStack {
     99             HighlightLink(state: test_damus_state, url: url, content: "")
    100         }
    101     }
    102 }