CarPlay Video Apps & Framework Updates

import CarPlay
import UIKit

class CarPlaySceneDelegate: UIResponder, CPTemplateApplicationSceneDelegate {
    var interfaceController: CPInterfaceController?

    func templateApplicationScene(
        _ templateApplicationScene: CPTemplateApplicationScene,
        didConnect interfaceController: CPInterfaceController
    ) {
        self.interfaceController = interfaceController
        let sessionConfig = templateApplicationScene.sessionConfiguration
        let supportsVideo = sessionConfig.contentStyle == .video
        let rootTemplate = buildRootTemplate(supportsVideo: supportsVideo)
        interfaceController.setRootTemplate(rootTemplate, animated: false, completion: nil)
    }

    func buildRootTemplate(supportsVideo: Bool) -> CPListTemplate {
        var sections: [CPListSection] = []

        if supportsVideo {
            let videoSection = buildVideoSection()
            sections.append(videoSection)
        }

        let audioSection = buildAudioSection()
        sections.append(audioSection)

        let template = CPListTemplate(title: "Landmarks", sections: sections)
        return template
    }

    func buildVideoSection() -> CPListSection {
        // Build a card element with thumbnail overlay and playback progress
        let thumbnailImage = UIImage(systemName: "mountain.2.fill") ?? UIImage()

        let overlay = CPThumbnailOverlay(title: "New")

        let playbackConfig = CPPlaybackConfiguration(
            elapsedTime: 120,
            duration: 600,
            playbackAction: .play
        )
        playbackConfig.preferredPresentation = .video

        let cardElement = CPCardElement(
            title: "The Alps",
            image: thumbnailImage,
            imageAspectRatio: .landscape,
            overlay: overlay,
            playbackConfiguration: playbackConfig
        )

        let listItem = CPListItem(cardElement: cardElement)
        listItem.handler = { [weak self] item, completion in
            self?.pushVideoDetailTemplate()
            completion()
        }

        return CPListSection(items: [listItem], header: "Videos", sectionIndexTitle: nil)
    }

    func buildAudioSection() -> CPListSection {
        let audioItem = CPListItem(text: "Alps Audio Story", detailText: "12 min")
        audioItem.handler = { _, completion in
            // Begin audio playback
            completion()
        }
        return CPListSection(items: [audioItem], header: "Audio Stories", sectionIndexTitle: nil)
    }

    func pushVideoDetailTemplate() {
        let headerImage = UIImage(systemName: "mountain.2.fill") ?? UIImage()
        let playbackConfig = CPPlaybackConfiguration(
            elapsedTime: 0,
            duration: 600,
            playbackAction: .play
        )
        playbackConfig.preferredPresentation = .video

        let playButton = CPTextButton(title: "Play", textStyle: .normal) { _ in
            // Trigger AirPlay video playback
        }

        let detailsHeader = CPDetailsHeader(
            title: "The Alps",
            subtitle: "Switzerland",
            bodyText: "A breathtaking journey through the Swiss Alps.",
            image: headerImage,
            playbackConfiguration: playbackConfig,
            actionButtons: [playButton]
        )

        let relatedItem = CPListItem(text: "Related: Dolomites", detailText: "8 min")
        let section = CPListSection(items: [relatedItem])
        let detailTemplate = CPListTemplate(title: "Alps", sections: [section])
        detailTemplate.detailsHeader = detailsHeader
        interfaceController?.pushTemplate(detailTemplate, animated: true, completion: nil)
    }

    func templateApplicationScene(
        _ templateApplicationScene: CPTemplateApplicationScene,
        didDisconnect interfaceController: CPInterfaceController
    ) {
        self.interfaceController = nil
    }
}