127 lines
3.5 KiB
Swift
127 lines
3.5 KiB
Swift
import CarPlay
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import UIKit
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/**
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* CarPlay scene delegate for KRYZ Go!
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*
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* Shows a CPListTemplate with the KRYZ Live Stream item. Tapping it triggers
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* playback via AppDelegate.invokePlay(), then presents CPNowPlayingTemplate.
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*
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* CarPlay enforces its own design system for safety — colors cannot be customised.
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* The app icon (which carries the KRYZ brand orange) is used as item artwork to
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* provide visual continuity with the phone app.
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*
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* Note: the com.apple.developer.carplay-audio entitlement must be enabled in the
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* Apple Developer Portal and added to the target in Xcode Signing & Capabilities.
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*/
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class CarPlaySceneDelegate: UIResponder, CPTemplateApplicationSceneDelegate, CPListTemplateDelegate {
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private var carPlayInterfaceController: CPInterfaceController?
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private var listTemplate: CPListTemplate?
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private var streamItem: CPListItem?
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// MARK: - CPTemplateApplicationSceneDelegate
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func templateApplicationScene(
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_ templateApplicationScene: CPTemplateApplicationScene,
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didConnect interfaceController: CPInterfaceController
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) {
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carPlayInterfaceController = interfaceController
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let rootTemplate = makeListTemplate()
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if #available(iOS 14.0, *) {
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interfaceController.setRootTemplate(rootTemplate, animated: false, completion: nil)
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} else {
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// iOS 13 fallback: use API variant available before iOS 14.
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interfaceController.setRootTemplate(rootTemplate, animated: false)
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}
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}
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func templateApplicationScene(
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_ templateApplicationScene: CPTemplateApplicationScene,
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didDisconnectInterfaceController interfaceController: CPInterfaceController
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) {
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carPlayInterfaceController = nil
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listTemplate = nil
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appDelegate?.invokeStop()
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}
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// MARK: - Template construction
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private func makeListTemplate() -> CPListTemplate {
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let icon = UIImage(named: "AppIcon")?
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.withRenderingMode(.alwaysOriginal)
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let item = CPListItem(
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text: "KRYZ Live Stream",
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detailText: "KRYZ Radio",
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image: icon
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)
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streamItem = item
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if #available(iOS 14.0, *) {
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item.handler = { [weak self] _, completion in
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self?.handleStreamItemTapped()
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completion()
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}
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}
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let section = CPListSection(items: [item])
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let template = CPListTemplate(title: "KRYZ Go!", sections: [section])
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if #unavailable(iOS 14.0) {
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// iOS 13 fallback: use list delegate selection callback.
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template.delegate = self
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}
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if #available(iOS 14.0, *) {
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template.tabTitle = "KRYZ Go!"
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template.tabImage = icon
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}
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listTemplate = template
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return template
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}
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// MARK: - Playback
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private func handleStreamItemTapped() {
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appDelegate?.invokePlay()
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guard let interfaceController = carPlayInterfaceController else {
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return
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}
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if #available(iOS 14.0, *) {
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interfaceController.pushTemplate(
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CPNowPlayingTemplate.shared,
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animated: true,
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completion: nil
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)
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} else {
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// iOS 13 fallback: no CPNowPlayingTemplate.shared API.
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// Keep playback running and remain on the list template.
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}
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}
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// MARK: - Helpers
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private var appDelegate: AppDelegate? {
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UIApplication.shared.delegate as? AppDelegate
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}
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// MARK: - CPListTemplateDelegate (iOS 13 fallback)
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func listTemplate(
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_ listTemplate: CPListTemplate,
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didSelect item: CPListItem,
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completionHandler: @escaping () -> Void
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) {
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defer { completionHandler() }
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guard item == streamItem else {
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return
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}
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handleStreamItemTapped()
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}
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}
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