elpha-ios/elpha-ios/VideoAttachmentCollectionViewCell.swift

//
//  VideoAttachmentCollectionViewCell.swift
//  elpha-ios
//
//  Created by Dwayne Harris on 11/29/18.
//  Copyright © 2018 Elpha. All rights reserved.
//

import AVFoundation
import AVKit
import UIKit

class VideoAttachmentCollectionViewCell: UICollectionViewCell {
    var attachment: AttachmentMO?
    var player: AVQueuePlayer!
    var playerLayer: AVPlayerLayer!
    var playerLooper: AVPlayerLooper?
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        player = AVQueuePlayer()
        player.preventsDisplaySleepDuringVideoPlayback = false
        player.usesExternalPlaybackWhileExternalScreenIsActive = false
        player.isMuted = true
        
        playerLayer = AVPlayerLayer(player: player)
        playerLayer.videoGravity = .resizeAspectFill
    }
    
    func update(withAttachment attachment: AttachmentMO) {
        self.attachment = attachment

        layer.addSublayer(playerLayer)
        playerLayer.frame = bounds
        playerLooper = AVPlayerLooper(player: player!, templateItem: AVPlayerItem(url: attachment.url!))
        
        if SettingsManager.automaticallyPlayGIFs {
            player.play()
        }
    }
}