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//
// ButtonManager.swift
// SmartDeviceLink
//
// Created by Nicole on 4/11/18.
// Copyright © 2018 smartdevicelink. All rights reserved.
//
import Foundation
import SmartDeviceLink
import SmartDeviceLinkSwift
typealias RefreshUIHandler = (() -> Void)
class ButtonManager: NSObject {
fileprivate let sdlManager: SDLManager!
fileprivate var refreshUIHandler: RefreshUIHandler?
/// Textfields are visible if true; hidden if false
public fileprivate(set) var textEnabled: Bool {
didSet {
guard let refreshUIHandler = refreshUIHandler else { return }
refreshUIHandler()
}
}
/// UI images are visible if true; hidden if false
public fileprivate(set) var imagesEnabled: Bool {
didSet {
guard let refreshUIHandler = refreshUIHandler else { return }
refreshUIHandler()
}
}
private var isSubtleAlertAllowed: Bool {
return sdlManager.permissionManager.isRPCNameAllowed(.subtleAlert)
}
private var isAlertAllowed: Bool {
return sdlManager.permissionManager.isRPCNameAllowed(.alert)
}
init(sdlManager: SDLManager, updateScreenHandler: RefreshUIHandler? = nil) {
self.sdlManager = sdlManager
self.refreshUIHandler = updateScreenHandler
textEnabled = true
imagesEnabled = true
}
/// An array of all the soft buttons
///
/// - Parameter manager: The SDL Manager
/// - Returns: An array of all soft buttons for the UI
func allScreenSoftButtons() -> [SDLSoftButtonObject] {
return [softButtonAlert, softButtonSubtleAlert, softButtonTextVisible, softButtonImagesVisible]
}
}
// MARK: - Custom Soft Buttons
extension ButtonManager {
/// Returns a soft button that shows an alert when tapped.
private var softButtonAlert: SDLSoftButtonObject {
let imageAndTextState = SDLSoftButtonState(stateName: AlertSoftButtonImageAndTextState, text: AlertSoftButtonText, image: UIImage(named: AlertBWIconName)?.withRenderingMode(.alwaysTemplate))
let textState = SDLSoftButtonState(stateName: AlertSoftButtonTextState, text: AlertSoftButtonText, image: nil)
let initialButtonStateName = self.imagesEnabled ? imageAndTextState.name : textState.name
return SDLSoftButtonObject(name: AlertSoftButton, states: [imageAndTextState, textState], initialStateName: initialButtonStateName) { [weak self] (buttonPress, buttonEvent) in
guard let self = self, buttonPress != nil else { return }
if (self.isAlertAllowed) {
AlertManager.sendAlert(imageName: CarBWIconImageName, textField1: AlertMessageText, sdlManager: self.sdlManager)
} else if (self.isSubtleAlertAllowed) {
AlertManager.sendSubtleAlert(imageName: CarBWIconImageName, textField1: AlertMessageText, sdlManager: self.sdlManager)
} else {
SDLLog.w("The module does not support the Alert request or the Subtle Alert request")
}
}
}
/// Returns a soft button that shows a subtle alert when tapped. If the subtle alert is not supported, then a regular alert is shown.
private var softButtonSubtleAlert: SDLSoftButtonObject {
let imageAndTextState = SDLSoftButtonState(stateName: SubtleAlertSoftButtonImageAndTextState, text: SubtleAlertSoftButtonText, image: UIImage(named: BatteryFullBWIconName)?.withRenderingMode(.alwaysTemplate))
let textState = SDLSoftButtonState(stateName: SubtleAlertSoftButtonTextState, text: SubtleAlertSoftButtonText, image: nil)
let initialButtonStateName = self.imagesEnabled ? imageAndTextState.name : textState.name
return SDLSoftButtonObject(name: SubtleAlertSoftButton, states: [imageAndTextState, textState], initialStateName: initialButtonStateName) { [weak self] (buttonPress, buttonEvent) in
guard let self = self, buttonPress != nil else { return }
if (self.isSubtleAlertAllowed) {
AlertManager.sendSubtleAlert(imageName: BatteryEmptyBWIconName, textField1: SubtleAlertHeaderText, textField2: SubtleAlertSubheaderText, sdlManager: self.sdlManager)
} else if (self.isAlertAllowed) {
AlertManager.sendAlert(imageName: BatteryEmptyBWIconName, textField1: SubtleAlertHeaderText, textField2: SubtleAlertSubheaderText, sdlManager: self.sdlManager)
} else {
SDLLog.w("The module does not support the Alert request or the Subtle Alert request")
}
}
}
/// Returns a soft button that toggles the textfield visibility state.
private var softButtonTextVisible: SDLSoftButtonObject {
let textVisibleState = SDLSoftButtonState(stateName: TextVisibleSoftButtonTextOnState, text: TextVisibleSoftButtonTextOnText, artwork: nil)
let textNotVisibleState = SDLSoftButtonState(stateName: TextVisibleSoftButtonTextOffState, text: TextVisibleSoftButtonTextOffText, image: nil)
let initialButtonStateName = self.textEnabled ? textVisibleState.name : textNotVisibleState.name
return SDLSoftButtonObject(name: TextVisibleSoftButton, states: [textVisibleState, textNotVisibleState], initialStateName: initialButtonStateName) { [unowned self] (buttonPress, buttonEvent) in
guard buttonPress != nil else { return }
self.textEnabled = !self.textEnabled
// Update the button state
let softButton = self.sdlManager.screenManager.softButtonObjectNamed(TextVisibleSoftButton)
softButton?.transitionToNextState()
}
}
/// Returns a soft button that toggles the image visibility state.
private var softButtonImagesVisible: SDLSoftButtonObject {
let imagesVisibleState = SDLSoftButtonState(stateName: ImagesVisibleSoftButtonImageOnState, text: ImagesVisibleSoftButtonImageOnText, image: nil)
let imagesNotVisibleState = SDLSoftButtonState(stateName: ImagesVisibleSoftButtonImageOffState, text: ImagesVisibleSoftButtonImageOffText, image: nil)
let initialButtonStateName = self.imagesEnabled ? imagesVisibleState.name : imagesNotVisibleState.name
return SDLSoftButtonObject(name: ImagesVisibleSoftButton, states: [imagesVisibleState, imagesNotVisibleState], initialStateName: initialButtonStateName) { [weak self] (buttonPress, buttonEvent) in
guard let self = self, let sdlManager = self.sdlManager, buttonPress != nil else { return }
self.imagesEnabled = !self.imagesEnabled
if let imagesVisibleSoftButton = sdlManager.screenManager.softButtonObjectNamed(ImagesVisibleSoftButton) {
imagesVisibleSoftButton.transitionToNextState()
}
if let alertSoftButton = sdlManager.screenManager.softButtonObjectNamed(AlertSoftButton) {
alertSoftButton.transitionToNextState()
}
if let subtleAlertSoftButton = sdlManager.screenManager.softButtonObjectNamed(SubtleAlertSoftButton) {
subtleAlertSoftButton.transitionToNextState()
}
}
}
}
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