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//
// PerformInteractionManager.swift
// SmartDeviceLink-Example-Swift
//
// Created by Nicole on 5/15/18.
// Copyright © 2018 smartdevicelink. All rights reserved.
//
import UIKit
import SmartDeviceLink
import SmartDeviceLinkSwift
class PerformInteractionManager: NSObject {
fileprivate var manager: SDLManager!
init(sdlManager: SDLManager) {
self.manager = sdlManager
}
/// Shows a PICS. The handler is called when the user selects a menu item or when the menu times out after a set amount of time. A custom text-to-speech phrase is spoken when the menu is closed.
///
/// - Parameter manager: The SDL Manager
func show(from triggerSource: SDLTriggerSource) {
manager.screenManager.presentSearchableChoiceSet(choiceSet, mode: interactionMode(for: triggerSource), with: self)
}
}
// MARK: - PICS Menu
private extension PerformInteractionManager {
/// The PICS menu items
var choiceCells: [SDLChoiceCell] {
let firstChoice = SDLChoiceCell(text: PICSFirstChoice, artwork: SDLArtwork(staticIcon: .key), voiceCommands: [VCPICSFirstChoice])
let secondChoice = SDLChoiceCell(text: PICSSecondChoice, artwork: SDLArtwork(staticIcon: .microphone), voiceCommands: [VCPICSecondChoice])
let thirdChoice = SDLChoiceCell(text: PICSThirdChoice, artwork: SDLArtwork(staticIcon: .key), voiceCommands: [VCPICSThirdChoice])
return [firstChoice, secondChoice, thirdChoice]
}
var vrHelpList: [SDLVRHelpItem] {
let vrHelpListFirst = SDLVRHelpItem(text: VCPICSFirstChoice, image: nil)
let vrHelpListSecond = SDLVRHelpItem(text: VCPICSecondChoice, image: nil)
let vrHelpListThird = SDLVRHelpItem(text: VCPICSThirdChoice, image: nil)
return [vrHelpListFirst, vrHelpListSecond, vrHelpListThird]
}
/// Creates a PICS with three menu items and customized voice commands
var choiceSet: SDLChoiceSet {
return SDLChoiceSet(title: PICSInitialPrompt, delegate: self, layout: .list, timeout: 10, initialPromptString: PICSInitialPrompt, timeoutPromptString: PICSTimeoutPrompt, helpPromptString: PICSHelpPrompt, vrHelpList: vrHelpList, choices: choiceCells)
}
func interactionMode(for triggerSource: SDLTriggerSource) -> SDLInteractionMode {
return (triggerSource == .menu ? .manualOnly : .voiceRecognitionOnly)
}
}
extension PerformInteractionManager: SDLChoiceSetDelegate {
func choiceSet(_ choiceSet: SDLChoiceSet, didSelectChoice choice: SDLChoiceCell, withSource source: SDLTriggerSource, atRowIndex rowIndex: UInt) {
SDLLog.d("User selected row: \(rowIndex), choice: \(choice)")
manager.send(SDLSpeak(tts: TTSGoodJob))
}
func choiceSet(_ choiceSet: SDLChoiceSet, didReceiveError error: Error) {
SDLLog.e("Error presenting choice set: \(error)")
manager.send(SDLSpeak(tts: TTSYouMissed))
}
}
extension PerformInteractionManager: SDLKeyboardDelegate {
func keyboardDidAbort(withReason event: SDLKeyboardEvent) {
SDLLog.w("Keyboard aborted with reason: \(event)")
switch event {
case SDLKeyboardEvent.cancelled:
manager.send(SDLSpeak(tts: TTSYouMissed))
case SDLKeyboardEvent.aborted:
manager.send(SDLSpeak(tts: TTSYouMissed))
default: break
}
}
func userDidSubmitInput(_ inputText: String, withEvent source: SDLKeyboardEvent) {
SDLLog.d("User did submit keyboard input: \(inputText), with event: \(source)")
switch source {
case SDLKeyboardEvent.voice: break
// Start Voice search
case SDLKeyboardEvent.submitted:
manager.send(SDLSpeak(tts: TTSGoodJob))
default: break
}
}
func updateAutocomplete(withInput currentInputText: String, autoCompleteResultsHandler resultsHandler: @escaping SDLKeyboardAutoCompleteResultsHandler) {
if currentInputText.lowercased().hasPrefix("f") {
resultsHandler([PICSFirstChoice])
} else if currentInputText.lowercased().hasPrefix("s") {
resultsHandler([PICSSecondChoice])
} else if currentInputText.lowercased().hasPrefix("t") {
resultsHandler([PICSThirdChoice])
} else {
resultsHandler(nil)
}
}
}
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