taler-ios

iOS apps for GNU Taler (wallet)
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Controller+playSound.swift (3727B)

      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 Foundation
      9 import AVFoundation
     10 import UIKit
     11 
     12 extension Controller {
     13 
     14     @MainActor
     15     func hapticNotification(_ feedbackType: UINotificationFeedbackGenerator.FeedbackType) {
     16         if useHaptics {
     17             /// call when a notification is displayed, passing the corresponding type
     18             UINotificationFeedbackGenerator().notificationOccurred(feedbackType)
     19         }
     20     }
     21 
     22     @MainActor
     23     func hapticFeedback(_ feedbackStyle: UIImpactFeedbackGenerator.FeedbackStyle) {
     24         /// call when your UI element impacts something else
     25         UIImpactFeedbackGenerator(style: feedbackStyle).impactOccurred()
     26     }
     27 
     28     @MainActor
     29     func hapticFeedback(intensity: CGFloat) {
     30         /// call when your UI element impacts something else with a specific intensity [0.0, 1.0]
     31         UIImpactFeedbackGenerator().impactOccurred(intensity: intensity)
     32     }
     33 
     34     @MainActor
     35     func hapticFeedback() {
     36         /// call when the selection changes (not on initial selection)
     37         UISelectionFeedbackGenerator().selectionChanged()
     38     }
     39 
     40     /// 0 = failure, 1 = received, 2 = sent
     41     @MainActor func playSound(_ number: Int) {
     42         let sysVolume = AVAudioSession.sharedInstance().outputVolume
     43         let volume = sysVolume < 0.16 ? 2.5     // too bad we cannot make it louder
     44                    : sysVolume < 0.21 ? 1.5     // nope, doesn't work
     45                    : sysVolume < 0.26 ? 1.0     // this is full volume...
     46                    : sysVolume < 0.31 ? 0.9     // and
     47 //                 : sysVolume < 0.36 ?
     48                    : sysVolume < 0.41 ? 0.8     // we
     49 //                 : sysVolume < 0.46 ?
     50                    : sysVolume < 0.51 ? 0.7     // must
     51                    : sysVolume < 0.56 ? 0.6     // reduce
     52 //                 : sysVolume < 0.61 ?
     53                    : sysVolume < 0.66 ? 0.5     // it,
     54                    : sysVolume < 0.71 ? 0.4     // or
     55                    : sysVolume < 0.76 ? 0.3     // it'll
     56                    : sysVolume < 0.81 ? 0.2     // play
     57                    : sysVolume < 0.86 ? 0.15    // way
     58                    : sysVolume < 0.91 ? 0.10    // too
     59                                       : 0.07    // loud!
     60 //        logger.log("❗️sys:\(sysVolume)  vol:\(volume)")
     61 
     62         var soundID: SystemSoundID = 0
     63         if number > 9 {
     64             soundID = UInt32(number)
     65         } else {
     66             let sound = (number == 0) ? "payment_failure" :
     67                         (number == 1) ? "payment_success"
     68                                       : "PaymentReceived"
     69             let fileURL = URL(fileURLWithPath: "/System/Library/Audio/UISounds/"
     70                               + sound + ".caf")
     71             AudioServicesCreateSystemSoundID(fileURL as CFURL, &soundID)
     72             logger.trace("\(sound, privacy: .public) \(soundID)")
     73         }
     74         if number == 0 || number > 9 || playSoundsI < 0 {
     75             AudioServicesPlaySystemSound(soundID);
     76         } else if playSoundsI > 0 && playSoundsB {
     77             if let url = Bundle.main.url(forResource: (number == 1) ? "payment_sent"
     78                                                                     : "payment_received",
     79                                        withExtension: "m4a") {
     80                 player.removeAllItems()
     81                 player.insert(AVPlayerItem(url: url), after: nil)
     82                 logger.log("\(url, privacy: .public)")
     83                 player.play()
     84                 player.volume = Float(volume)
     85             } else {
     86                 AudioServicesPlaySystemSound(soundID);
     87             }
     88         }
     89         hapticNotification(number == 0 ? .error : .success)
     90     }
     91 }