55 lines
1.5 KiB
Swift
55 lines
1.5 KiB
Swift
//
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// AVPlayerItemNotificationObserver.swift
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// SwiftAudio
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//
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// Created by Jørgen Henrichsen on 12/03/2018.
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//
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import Foundation
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import AVFoundation
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protocol AVPlayerItemNotificationObserverDelegate: class {
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func itemDidPlayToEndTime()
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}
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/**
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Observes notifications posted by an AVPlayerItem.
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Currently only listening for the AVPlayerItemDidPlayToEndTime notification.
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*/
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class AVPlayerItemNotificationObserver {
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private let notificationCenter: NotificationCenter = NotificationCenter.default
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weak var observingItem: AVPlayerItem?
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weak var delegate: AVPlayerItemNotificationObserverDelegate?
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/**
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Will start observing notifications from an item.
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- parameter item: The item to observe.
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- important: Cannot observe more than one item at a time.
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*/
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func startObserving(item: AVPlayerItem) {
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stopObservingCurrentItem()
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observingItem = item
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notificationCenter.addObserver(self, selector: #selector(itemDidPlayToEndTime), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: item)
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}
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/**
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Stop receiving notifications for the current item.
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*/
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func stopObservingCurrentItem() {
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if let observingItem = observingItem {
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notificationCenter.removeObserver(self, name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: observingItem)
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}
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observingItem = nil
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}
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@objc private func itemDidPlayToEndTime() {
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delegate?.itemDidPlayToEndTime()
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}
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}
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