taler-ios

iOS apps for GNU Taler (wallet)
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OIMbackground.swift (3843B)

      1 /*
      2  * This file is part of GNU Taler, ©2022-25 Taler Systems S.A.
      3  * See LICENSE.md
      4  */
      5 /**
      6  * @author Marc Stibane
      7  */
      8 import SwiftUI
      9 import taler_swift
     10 
     11 public let OIMBACKDARK = "tara-meinczinger-G_yCplAsnB4-unsplash"
     12 public let OIMBACKLIGHT = "andrey-haimin-VFUTPASjhB8-unsplash"
     13 
     14 // MARK: -
     15 struct OIMamountV: View {
     16     let amount: Amount?
     17     let currencyName: String
     18     let factor: Int             // workaround because TEST has no large denominations, so we multiply with 100
     19     let mayChangeSpeed: Bool
     20 
     21     @State private var color = Color.accentColor
     22 
     23     init(amount: Amount?, currencyName: String, factor: Int, mayChangeSpeed: Bool = true) {
     24         self.amount = amount
     25         self.currencyName = currencyName
     26         self.factor = factor
     27         self.mayChangeSpeed = mayChangeSpeed
     28     }
     29 
     30     func updateColor() {
     31 #if DEBUG
     32         color = debugAnimations ? .orange
     33                                 : fastAnimations ? .accentColor
     34                                                  : .red
     35 #else
     36         color = fastAnimations ? .accentColor
     37                                : WalletColors().confirm
     38 #endif
     39     }
     40 
     41     var body: some View {
     42         if let amount {
     43             if let amount2 = try? amount * UInt32(factor) {         // workaround for CFA, HUF, JPY
     44 //                print(amount2.readableDescription)
     45                 AmountV(currencyName, amount: amount2, isNegative: nil)
     46                     .ignoresSafeArea(edges: .top)
     47                     .foregroundColor(color)
     48                     .task {
     49                         updateColor()
     50                     }
     51 #if DEBUG
     52                     .onTapGesture(count: 2) {
     53                         if mayChangeSpeed {
     54                             if debugAnimations {
     55                                 debugAnimations = false
     56                                 fastAnimations = true
     57                             } else {
     58                                 debugAnimations = true
     59                             }
     60                             updateColor()
     61                         }
     62                     }
     63 #endif
     64                     .onTapGesture(count: 1) {
     65                         if mayChangeSpeed {
     66 #if DEBUG
     67                             if debugAnimations {
     68                                 debugAnimations = false
     69                                 fastAnimations = false
     70                             } else {
     71                                 fastAnimations.toggle()
     72                             }
     73 #else
     74                             fastAnimations.toggle()
     75 #endif
     76                             updateColor()
     77                         }
     78                     }
     79             }
     80         }
     81     }
     82 }
     83 // MARK: -
     84 // shows a ZStack with backImage, and content on top
     85 struct OIMbackground<Content: View>: View {
     86     var content: () -> Content
     87 
     88     @Environment(\.colorScheme) private var colorScheme
     89 
     90     var body: some View {
     91         let background = colorScheme == .dark ? OIMBACKDARK
     92                                               : OIMBACKLIGHT
     93         let backImage = Image(background)
     94             .resizable()
     95         let zStack = ZStack(alignment: .top) {
     96             backImage
     97                 .ignoresSafeArea(edges: .all)
     98                 .frame(maxWidth: .infinity, maxHeight: .infinity)
     99             content()
    100         }
    101         if #available(iOS 16.4, *) {
    102             zStack
    103                 .toolbar(.hidden, for: .navigationBar, .tabBar)
    104                 .scrollBounceBehavior(.basedOnSize, axes: .horizontal)
    105         } else {        // Fallback on earlier versions
    106             zStack
    107 //                .navigationBarTitle("")       // must set the title...
    108                 .navigationBarHidden(true)      // before you can hide the navigation bar
    109 //                .tabBarHidden(true)           // unfortunately this call doesn't exist
    110         }
    111     }
    112 }
    113 // MARK: -
    114 //#Preview {
    115 //    OIMbackground()
    116 //}