121 lines
4.2 KiB
Swift
121 lines
4.2 KiB
Swift
//
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// RemoteCommand.swift
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// SwiftAudio
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//
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// Created by Jørgen Henrichsen on 20/03/2018.
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//
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import Foundation
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import MediaPlayer
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public typealias RemoteCommandHandler = (MPRemoteCommandEvent) -> MPRemoteCommandHandlerStatus
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public protocol RemoteCommandProtocol {
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associatedtype Command: MPRemoteCommand
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var id: String { get }
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var commandKeyPath: KeyPath<MPRemoteCommandCenter, Command> { get }
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var handlerKeyPath: KeyPath<RemoteCommandController, RemoteCommandHandler> { get }
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}
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public struct PlayBackCommand: RemoteCommandProtocol {
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public static let play = PlayBackCommand(id: "Play", commandKeyPath: \MPRemoteCommandCenter.playCommand, handlerKeyPath: \RemoteCommandController.handlePlayCommand)
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public static let pause = PlayBackCommand(id: "Pause", commandKeyPath: \MPRemoteCommandCenter.pauseCommand, handlerKeyPath: \RemoteCommandController.handlePauseCommand)
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public static let stop = PlayBackCommand(id: "Stop", commandKeyPath: \MPRemoteCommandCenter.stopCommand, handlerKeyPath: \RemoteCommandController.handleStopCommand)
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public static let togglePlayPause = PlayBackCommand(id: "TogglePlayPause", commandKeyPath: \MPRemoteCommandCenter.togglePlayPauseCommand, handlerKeyPath: \RemoteCommandController.handleTogglePlayPauseCommand)
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public static let nextTrack = PlayBackCommand(id: "NextTrackCommand", commandKeyPath: \MPRemoteCommandCenter.nextTrackCommand, handlerKeyPath: \RemoteCommandController.handleNextTrackCommand)
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public static let previousTrack = PlayBackCommand(id: "PreviousTrack", commandKeyPath: \MPRemoteCommandCenter.previousTrackCommand, handlerKeyPath: \RemoteCommandController.handlePreviousTrackCommand)
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public typealias Command = MPRemoteCommand
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public let id: String
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public var commandKeyPath: KeyPath<MPRemoteCommandCenter, MPRemoteCommand>
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public var handlerKeyPath: KeyPath<RemoteCommandController, RemoteCommandHandler>
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}
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public struct ChangePlaybackPositionCommand: RemoteCommandProtocol {
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public static let changePlaybackPosition = ChangePlaybackPositionCommand(id: "ChangePlaybackPosition", commandKeyPath: \MPRemoteCommandCenter.changePlaybackPositionCommand, handlerKeyPath: \RemoteCommandController.handleChangePlaybackPositionCommand)
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public typealias Command = MPChangePlaybackPositionCommand
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public let id: String
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public var commandKeyPath: KeyPath<MPRemoteCommandCenter, MPChangePlaybackPositionCommand>
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public var handlerKeyPath: KeyPath<RemoteCommandController, RemoteCommandHandler>
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}
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public struct SkipIntervalCommand: RemoteCommandProtocol {
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public static let skipForward = SkipIntervalCommand(id: "SkipForward", commandKeyPath: \MPRemoteCommandCenter.skipForwardCommand, handlerKeyPath: \RemoteCommandController.handleSkipForwardCommand)
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public static let skipBackward = SkipIntervalCommand(id: "SkipBackward", commandKeyPath: \MPRemoteCommandCenter.skipBackwardCommand, handlerKeyPath: \RemoteCommandController.handleSkipBackwardCommand)
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public typealias Command = MPSkipIntervalCommand
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public let id: String
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public var commandKeyPath: KeyPath<MPRemoteCommandCenter, MPSkipIntervalCommand>
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public var handlerKeyPath: KeyPath<RemoteCommandController, RemoteCommandHandler>
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func set(preferredIntervals: [NSNumber]) -> SkipIntervalCommand {
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MPRemoteCommandCenter.shared()[keyPath: commandKeyPath].preferredIntervals = preferredIntervals
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return self
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}
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}
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public enum RemoteCommand {
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case play
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case pause
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case stop
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case togglePlayPause
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case next
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case previous
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case changePlaybackPosition
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case skipForward(preferredIntervals: [NSNumber])
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case skipBackward(preferredIntervals: [NSNumber])
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/**
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All values in an array for convenience.
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Don't use for associated values.
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*/
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static func all() -> [RemoteCommand] {
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return [
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.play,
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.pause,
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.stop,
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.togglePlayPause,
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.next,
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.previous,
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.changePlaybackPosition,
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.skipForward(preferredIntervals: []),
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.skipBackward(preferredIntervals: []),
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]
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}
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}
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