import CoreMedia import Defaults import Foundation protocol PlayerBackend { var model: PlayerModel! { get set } var controls: PlayerControlsModel! { get set } var playerTime: PlayerTimeModel! { get set } var networkState: NetworkStateModel! { get set } var stream: Stream? { get set } var video: Video? { get set } var currentTime: CMTime? { get } var loadedVideo: Bool { get } var isLoadingVideo: Bool { get } var isPlaying: Bool { get } var isSeeking: Bool { get } var playerItemDuration: CMTime? { get } var aspectRatio: Double { get } var controlsUpdates: Bool { get } func bestPlayable(_ streams: [Stream], maxResolution: ResolutionSetting) -> Stream? func canPlay(_ stream: Stream) -> Bool func playStream( _ stream: Stream, of video: Video, preservingTime: Bool, upgrading: Bool ) func play() func pause() func togglePlay() func stop() func seek(to time: CMTime, completionHandler: ((Bool) -> Void)?) func seek(to seconds: Double, completionHandler: ((Bool) -> Void)?) func seek(relative time: CMTime, completionHandler: ((Bool) -> Void)?) func setRate(_ rate: Float) func closeItem() func closePiP() func startMusicMode() func stopMusicMode() func updateControls() func startControlsUpdates() func stopControlsUpdates() func didChangeTo() func setNeedsNetworkStateUpdates(_ needsUpdates: Bool) func setNeedsDrawing(_ needsDrawing: Bool) func setSize(_ width: Double, _ height: Double) } extension PlayerBackend { func seek(to time: CMTime, completionHandler: ((Bool) -> Void)? = nil) { seek(to: time, completionHandler: completionHandler) } func seek(to seconds: Double, completionHandler: ((Bool) -> Void)? = nil) { seek(to: .secondsInDefaultTimescale(seconds), completionHandler: completionHandler) } func seek(relative time: CMTime, completionHandler: ((Bool) -> Void)? = nil) { seek(relative: time, completionHandler: completionHandler) } func eofPlaybackModeAction() { switch model.playbackMode { case .queue, .shuffle: if Defaults[.closeLastItemOnPlaybackEnd] { model.prepareCurrentItemForHistory(finished: true) } if model.queue.isEmpty { if Defaults[.closeLastItemOnPlaybackEnd] { model.resetQueue() model.hide() } } else { model.advanceToNextItem() } case .loopOne: model.backend.seek(to: .zero) { _ in self.model.play() } case .related: guard let item = model.autoplayItem else { return } model.resetAutoplay() model.advanceToItem(item) } } }