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			777 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Swift
		
	
			
		
		
	
	
			777 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Swift
		
	
| // Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
 | |
| 
 | |
| import UIKit
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| import YYImage
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| import MediaPlayer
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| import WebRTC
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| import SessionUIKit
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| import SessionMessagingKit
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| import SessionUtilitiesKit
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| 
 | |
| final class CallVC: UIViewController, VideoPreviewDelegate {
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|     private static let avatarRadius: CGFloat = (isIPhone6OrSmaller ? 100 : 120)
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|     private static let floatingVideoViewWidth: CGFloat = (UIDevice.current.isIPad ? 160 : 80)
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|     private static let floatingVideoViewHeight: CGFloat = (UIDevice.current.isIPad ? 346: 173)
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|     
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|     let call: SessionCall
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|     var latestKnownAudioOutputDeviceName: String?
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|     var durationTimer: Timer?
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|     var duration: Int = 0
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|     var shouldRestartCamera = true
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|     weak var conversationVC: ConversationVC? = nil
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|     
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|     lazy var cameraManager: CameraManager = {
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|         let result = CameraManager()
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|         result.delegate = self
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|         return result
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|     }()
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|     
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|     enum FloatingViewVideoSource {
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|         case local
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|         case remote
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|     }
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|     
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|     var floatingViewVideoSource: FloatingViewVideoSource = .local
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|     
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|     // MARK: - UI Components
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|     
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|     private lazy var floatingLocalVideoView: LocalVideoView = {
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|         let result = LocalVideoView()
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|         result.alpha = 0
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.set(.width, to: Self.floatingVideoViewWidth)
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|         result.set(.height, to: Self.floatingVideoViewHeight)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var floatingRemoteVideoView: RemoteVideoView = {
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|         let result = RemoteVideoView()
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|         result.alpha = 0
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.set(.width, to: Self.floatingVideoViewWidth)
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|         result.set(.height, to: Self.floatingVideoViewHeight)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var fullScreenLocalVideoView: LocalVideoView = {
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|         let result = LocalVideoView()
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|         result.alpha = 0
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|         result.themeBackgroundColor = .backgroundPrimary
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|         result.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(handleFullScreenVideoViewTapped)))
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|         
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|         return result
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|     }()
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|     
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|     private lazy var fullScreenRemoteVideoView: RemoteVideoView = {
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|         let result = RemoteVideoView()
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|         result.alpha = 0
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|         result.themeBackgroundColor = .backgroundPrimary
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|         result.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(handleFullScreenVideoViewTapped)))
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|         
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|         return result
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|     }()
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|     
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|     private lazy var floatingViewContainer: UIView = {
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|         let result = UIView()
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|         result.isHidden = true
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|         result.clipsToBounds = true
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|         result.layer.cornerRadius = UIDevice.current.isIPad ? 20 : 10
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|         result.layer.masksToBounds = true
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.makeViewDraggable()
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|         
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|         let noVideoIcon: UIImageView = UIImageView(
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|             image: UIImage(systemName: "video.slash")?
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|                 .withRenderingMode(.alwaysTemplate)
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|         )
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|         noVideoIcon.themeTintColor = .textPrimary
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|         noVideoIcon.set(.width, to: 34)
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|         noVideoIcon.set(.height, to: 28)
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|         result.addSubview(noVideoIcon)
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|         noVideoIcon.center(in: result)
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|         
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|         result.addSubview(floatingLocalVideoView)
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|         floatingLocalVideoView.pin(to: result)
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|         
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|         result.addSubview(floatingRemoteVideoView)
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|         floatingRemoteVideoView.pin(to: result)
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|         
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|         let swappingVideoIcon: UIImageView = UIImageView(
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|             image: UIImage(systemName: "arrow.2.squarepath")?
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|                 .withRenderingMode(.alwaysTemplate)
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|         )
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|         swappingVideoIcon.themeTintColor = .textPrimary
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|         swappingVideoIcon.set(.width, to: 16)
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|         swappingVideoIcon.set(.height, to: 12)
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|         result.addSubview(swappingVideoIcon)
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|         swappingVideoIcon.pin(.top, to: .top, of: result, withInset: Values.smallSpacing)
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|         swappingVideoIcon.pin(.trailing, to: .trailing, of: result, withInset: -Values.smallSpacing)
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|         
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|         result.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(switchVideo)))
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|         
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|         return result
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|     }()
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|     
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|     private lazy var fadeView: GradientView = {
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|         let height: CGFloat = ((UIApplication.shared.keyWindow?.safeAreaInsets.top)
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|             .map { $0 + Values.veryLargeSpacing })
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|             .defaulting(to: 64)
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| 
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|         let result: GradientView = GradientView()
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|         result.themeBackgroundGradient = [
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|             .value(.backgroundPrimary, alpha: 0.4),
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|             .value(.backgroundPrimary, alpha: 0)
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|         ]
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|         result.set(.height, to: height)
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| 
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|         return result
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|     }()
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|     
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|     private lazy var profilePictureView: UIImageView = {
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|         let result = UIImageView()
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|         result.image = self.call.profilePicture
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|         result.set(.width, to: CallVC.avatarRadius * 2)
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|         result.set(.height, to: CallVC.avatarRadius * 2)
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|         result.layer.cornerRadius = CallVC.avatarRadius
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|         result.layer.masksToBounds = true
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|         result.contentMode = .scaleAspectFill
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|         
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|         return result
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|     }()
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|     
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|     private lazy var animatedImageView: YYAnimatedImageView = {
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|         let result: YYAnimatedImageView = YYAnimatedImageView()
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|         result.image = self.call.animatedProfilePicture
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|         result.set(.width, to: CallVC.avatarRadius * 2)
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|         result.set(.height, to: CallVC.avatarRadius * 2)
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|         result.layer.cornerRadius = CallVC.avatarRadius
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|         result.layer.masksToBounds = true
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|         result.contentMode = .scaleAspectFill
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|         result.isHidden = (self.call.animatedProfilePicture == nil)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var minimizeButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.setImage(
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|             UIImage(named: "Minimize")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .textPrimary
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|         result.addTarget(self, action: #selector(minimize), for: UIControl.Event.touchUpInside)
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|         
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|         result.isHidden = !call.hasConnected
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var answerButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.setImage(
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|             UIImage(named: "AnswerCall")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .white
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|         result.themeBackgroundColor = .callAccept_background
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|         result.layer.cornerRadius = 30
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|         result.addTarget(self, action: #selector(answerCall), for: UIControl.Event.touchUpInside)
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|         
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|         result.isHidden = call.hasStartedConnecting
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var hangUpButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.accessibilityLabel = "End call button"
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|         result.setImage(
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|             UIImage(named: "EndCall")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .white
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|         result.themeBackgroundColor = .callDecline_background
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|         result.layer.cornerRadius = 30
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|         result.addTarget(self, action: #selector(endCall), for: UIControl.Event.touchUpInside)
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var responsePanel: UIStackView = {
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|         let result = UIStackView(arrangedSubviews: [hangUpButton, answerButton])
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|         result.axis = .horizontal
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|         result.spacing = Values.veryLargeSpacing * 2 + 40
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|         
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|         return result
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|     }()
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| 
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|     private lazy var switchCameraButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.isEnabled = call.isVideoEnabled
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|         result.setImage(
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|             UIImage(named: "SwitchCamera")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .textPrimary
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.layer.cornerRadius = 30
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|         result.addTarget(self, action: #selector(switchCamera), for: UIControl.Event.touchUpInside)
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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| 
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|     private lazy var switchAudioButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.setImage(
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|             UIImage(named: "AudioOff")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = (call.isMuted ?
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|             .white :
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|             .textPrimary
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|         )
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|         result.themeBackgroundColor = (call.isMuted ?
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|             .danger :
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|             .backgroundSecondary
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|         )
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|         result.layer.cornerRadius = 30
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|         result.addTarget(self, action: #selector(switchAudio), for: UIControl.Event.touchUpInside)
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var videoButton: UIButton = {
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|         let result = UIButton(type: .custom)
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|         result.setImage(
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|             UIImage(named: "VideoCall")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .textPrimary
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.layer.cornerRadius = 30
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|         result.addTarget(self, action: #selector(operateCamera), for: UIControl.Event.touchUpInside)
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var volumeView: MPVolumeView = {
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|         let result = MPVolumeView()
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|         result.showsVolumeSlider = false
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|         result.showsRouteButton = true
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|         result.setRouteButtonImage(
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|             UIImage(named: "Speaker")?
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|                 .withRenderingMode(.alwaysTemplate),
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|             for: .normal
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|         )
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|         result.themeTintColor = .textPrimary
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|         result.themeBackgroundColor = .backgroundSecondary
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|         result.layer.cornerRadius = 30
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|         result.set(.width, to: 60)
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|         result.set(.height, to: 60)
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|         
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|         return result
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|     }()
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|     
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|     private lazy var operationPanel: UIStackView = {
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|         let result = UIStackView(arrangedSubviews: [switchCameraButton, videoButton, switchAudioButton, volumeView])
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|         result.axis = .horizontal
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|         result.spacing = Values.veryLargeSpacing
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|         
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|         return result
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|     }()
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|     
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|     private lazy var titleLabel: UILabel = {
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|         let result: UILabel = UILabel()
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|         result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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|         result.themeTextColor = .textPrimary
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|         result.textAlignment = .center
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|         
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|         return result
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|     }()
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|     
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|     private lazy var callInfoLabel: UILabel = {
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|         let result: UILabel = UILabel()
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|         result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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|         result.themeTextColor = .textPrimary
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|         result.textAlignment = .center
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|         result.isHidden = call.hasConnected
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|         
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|         if call.hasStartedConnecting { result.text = "Connecting..." }
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|         
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|         return result
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|     }()
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|     
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|     private lazy var callDurationLabel: UILabel = {
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|         let result = UILabel()
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|         result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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|         result.themeTextColor = .textPrimary
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|         result.textAlignment = .center
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|         result.isHidden = true
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|         
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|         return result
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|     }()
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|     
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|     // MARK: - Lifecycle
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|     
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|     init(for call: SessionCall) {
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|         self.call = call
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|         super.init(nibName: nil, bundle: nil)
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|         setupStateChangeCallbacks()
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|         self.modalPresentationStyle = .overFullScreen
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|         self.modalTransitionStyle = .crossDissolve
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|     }
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|     
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|     func setupStateChangeCallbacks() {
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|         self.call.remoteVideoStateDidChange = { isEnabled in
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|             DispatchQueue.main.async {
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|                 UIView.animate(withDuration: 0.25) {
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|                     let remoteVideoView: RemoteVideoView = self.floatingViewVideoSource == .remote ? self.floatingRemoteVideoView : self.fullScreenRemoteVideoView
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|                     remoteVideoView.alpha = isEnabled ? 1 : 0
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|                 }
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|                 
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|                 if self.callInfoLabel.alpha < 0.5 {
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|                     UIView.animate(withDuration: 0.25) {
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|                         self.operationPanel.alpha = 1
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|                         self.responsePanel.alpha = 1
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|                         self.callInfoLabel.alpha = 1
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|                     }
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|                 }
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|             }
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|         }
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|         
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|         self.call.hasStartedConnectingDidChange = {
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|             DispatchQueue.main.async {
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|                 self.callInfoLabel.text = "Connecting..."
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|                 self.answerButton.alpha = 0
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|                 
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|                 UIView.animate(
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|                     withDuration: 0.5,
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|                     delay: 0,
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|                     usingSpringWithDamping: 1,
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|                     initialSpringVelocity: 1,
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|                     options: .curveEaseIn,
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|                     animations: { [weak self] in
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|                         self?.answerButton.isHidden = true
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|                     },
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|                     completion: nil
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|                 )
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|             }
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|         }
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|         
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|         self.call.hasConnectedDidChange = { [weak self] in
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|             DispatchQueue.main.async {
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|                 CallRingTonePlayer.shared.stopPlayingRingTone()
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|                 
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|                 self?.callInfoLabel.text = "Connected"
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|                 self?.minimizeButton.isHidden = false
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|                 self?.durationTimer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { _ in
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|                     self?.updateDuration()
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|                 }
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|                 self?.callInfoLabel.isHidden = true
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|                 self?.callDurationLabel.isHidden = false
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|             }
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|         }
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|         
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|         self.call.hasEndedDidChange = { [weak self] in
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|             DispatchQueue.main.async {
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|                 self?.durationTimer?.invalidate()
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|                 self?.durationTimer = nil
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|                 self?.handleEndCallMessage()
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|             }
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|         }
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|         
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|         self.call.hasStartedReconnecting = { [weak self] in
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|             DispatchQueue.main.async {
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|                 self?.callInfoLabel.isHidden = false
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|                 self?.callDurationLabel.isHidden = true
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|                 self?.callInfoLabel.text = "Reconnecting..."
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|             }
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|         }
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|         
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|         self.call.hasReconnected = { [weak self] in
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|             DispatchQueue.main.async {
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|                 self?.callInfoLabel.isHidden = true
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|                 self?.callDurationLabel.isHidden = false
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|             }
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|         }
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|     }
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|     
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|     required init(coder: NSCoder) { preconditionFailure("Use init(for:) instead.") }
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|     
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|     override func viewDidLoad() {
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|         super.viewDidLoad()
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|         
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|         view.themeBackgroundColor = .backgroundPrimary
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|         
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|         setUpViewHierarchy()
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|         
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|         if shouldRestartCamera { cameraManager.prepare() }
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|         
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|         _ = call.videoCapturer // Force the lazy var to instantiate
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|         titleLabel.text = self.call.contactName
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|         AppEnvironment.shared.callManager.startCall(call) { [weak self] error in
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|             DispatchQueue.main.async {
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|                 if let _ = error {
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|                     self?.callInfoLabel.text = "Can't start a call."
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|                     self?.endCall()
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|                 }
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|                 else {
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|                     self?.callInfoLabel.text = "Ringing..."
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|                     self?.answerButton.isHidden = true
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|                 }
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|             }
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|         }
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|         setupOrientationMonitoring()
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|         NotificationCenter.default.addObserver(self, selector: #selector(audioRouteDidChange), name: AVAudioSession.routeChangeNotification, object: nil)
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|     }
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|     
 | |
|     deinit {
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|         UIDevice.current.endGeneratingDeviceOrientationNotifications()
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|         NotificationCenter.default.removeObserver(self)
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|     }
 | |
|     
 | |
|     func setUpViewHierarchy() {
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|         // Profile picture container
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|         let profilePictureContainer = UIView()
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|         view.addSubview(profilePictureContainer)
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|         
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|         // Remote video view
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|         call.attachRemoteVideoRenderer(fullScreenRemoteVideoView)
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|         view.addSubview(fullScreenRemoteVideoView)
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|         fullScreenRemoteVideoView.translatesAutoresizingMaskIntoConstraints = false
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|         fullScreenRemoteVideoView.pin(to: view)
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|         
 | |
|         // Local video view
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|         call.attachLocalVideoRenderer(floatingLocalVideoView)
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|         view.addSubview(fullScreenLocalVideoView)
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|         fullScreenLocalVideoView.translatesAutoresizingMaskIntoConstraints = false
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|         fullScreenLocalVideoView.pin(to: view)
 | |
|         
 | |
|         // Fade view
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|         view.addSubview(fadeView)
 | |
|         fadeView.translatesAutoresizingMaskIntoConstraints = false
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|         fadeView.pin([ UIView.HorizontalEdge.left, UIView.VerticalEdge.top, UIView.HorizontalEdge.right ], to: view)
 | |
|         
 | |
|         // Minimize button
 | |
|         view.addSubview(minimizeButton)
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|         minimizeButton.translatesAutoresizingMaskIntoConstraints = false
 | |
|         minimizeButton.pin(.left, to: .left, of: view)
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|         minimizeButton.pin(.top, to: .top, of: view, withInset: 32)
 | |
|         
 | |
|         // Title label
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|         view.addSubview(titleLabel)
 | |
|         titleLabel.translatesAutoresizingMaskIntoConstraints = false
 | |
|         titleLabel.center(.vertical, in: minimizeButton)
 | |
|         titleLabel.pin(.leading, to: .leading, of: view, withInset: Values.largeSpacing)
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|         titleLabel.pin(.trailing, to: .trailing, of: view, withInset: -Values.largeSpacing)
 | |
|         
 | |
|         // Response Panel
 | |
|         view.addSubview(responsePanel)
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|         responsePanel.center(.horizontal, in: view)
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|         responsePanel.pin(.bottom, to: .bottom, of: view.safeAreaLayoutGuide, withInset: -Values.smallSpacing)
 | |
|         
 | |
|         // Operation Panel
 | |
|         view.addSubview(operationPanel)
 | |
|         operationPanel.center(.horizontal, in: view)
 | |
|         operationPanel.pin(.bottom, to: .top, of: responsePanel, withInset: -Values.veryLargeSpacing)
 | |
|         
 | |
|         // Profile picture view
 | |
|         profilePictureContainer.pin(.top, to: .bottom, of: fadeView)
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|         profilePictureContainer.pin(.bottom, to: .top, of: operationPanel)
 | |
|         profilePictureContainer.pin([ UIView.HorizontalEdge.left, UIView.HorizontalEdge.right ], to: view)
 | |
|         profilePictureContainer.addSubview(profilePictureView)
 | |
|         profilePictureContainer.addSubview(animatedImageView)
 | |
|         profilePictureView.center(in: profilePictureContainer)
 | |
|         animatedImageView.center(in: profilePictureContainer)
 | |
|         
 | |
|         // Call info label
 | |
|         let callInfoLabelContainer = UIView()
 | |
|         view.addSubview(callInfoLabelContainer)
 | |
|         callInfoLabelContainer.pin(.top, to: .bottom, of: profilePictureView)
 | |
|         callInfoLabelContainer.pin(.bottom, to: .bottom, of: profilePictureContainer)
 | |
|         callInfoLabelContainer.pin([ UIView.HorizontalEdge.left, UIView.HorizontalEdge.right ], to: view)
 | |
|         callInfoLabelContainer.addSubview(callInfoLabel)
 | |
|         callInfoLabelContainer.addSubview(callDurationLabel)
 | |
|         callInfoLabel.translatesAutoresizingMaskIntoConstraints = false
 | |
|         callInfoLabel.center(in: callInfoLabelContainer)
 | |
|         callDurationLabel.translatesAutoresizingMaskIntoConstraints = false
 | |
|         callDurationLabel.center(in: callInfoLabelContainer)
 | |
|     }
 | |
|     
 | |
|     private func addFloatingVideoView() {
 | |
|         let safeAreaInsets = UIApplication.shared.keyWindow?.safeAreaInsets
 | |
|         CurrentAppContext().mainWindow?.addSubview(floatingViewContainer)
 | |
|         floatingViewContainer.autoPinEdge(toSuperviewEdge: .right, withInset: Values.smallSpacing)
 | |
|         let topMargin = (safeAreaInsets?.top ?? 0) + Values.veryLargeSpacing
 | |
|         floatingViewContainer.autoPinEdge(toSuperviewEdge: .top, withInset: topMargin)
 | |
|     }
 | |
|     
 | |
|     override func viewDidAppear(_ animated: Bool) {
 | |
|         super.viewDidAppear(animated)
 | |
|         
 | |
|         if (call.isVideoEnabled && shouldRestartCamera) { cameraManager.start() }
 | |
|         
 | |
|         shouldRestartCamera = true
 | |
|         addFloatingVideoView()
 | |
|         let remoteVideoView: RemoteVideoView = self.floatingViewVideoSource == .remote ? self.floatingRemoteVideoView : self.fullScreenRemoteVideoView
 | |
|         remoteVideoView.alpha = (call.isRemoteVideoEnabled ? 1 : 0)
 | |
|     }
 | |
|     
 | |
|     override func viewWillDisappear(_ animated: Bool) {
 | |
|         super.viewWillDisappear(animated)
 | |
|         
 | |
|         if (call.isVideoEnabled && shouldRestartCamera) { cameraManager.stop() }
 | |
|         
 | |
|         floatingViewContainer.removeFromSuperview()
 | |
|     }
 | |
|     
 | |
|     // MARK: - Orientation
 | |
| 
 | |
|     private func setupOrientationMonitoring() {
 | |
|         UIDevice.current.beginGeneratingDeviceOrientationNotifications()
 | |
|         NotificationCenter.default.addObserver(self, selector: #selector(didChangeDeviceOrientation), name: UIDevice.orientationDidChangeNotification, object: UIDevice.current)
 | |
|     }
 | |
|     
 | |
|     @objc func didChangeDeviceOrientation(notification: Notification) {
 | |
|         if UIDevice.current.isIPad { return }
 | |
| 
 | |
|         func rotateAllButtons(rotationAngle: CGFloat) {
 | |
|             let transform = CGAffineTransform(rotationAngle: rotationAngle)
 | |
|             
 | |
|             UIView.animate(withDuration: 0.2) {
 | |
|                 self.answerButton.transform = transform
 | |
|                 self.hangUpButton.transform = transform
 | |
|                 self.switchAudioButton.transform = transform
 | |
|                 self.switchCameraButton.transform = transform
 | |
|                 self.videoButton.transform = transform
 | |
|                 self.volumeView.transform = transform
 | |
|             }
 | |
|         }
 | |
|         
 | |
|         switch UIDevice.current.orientation {
 | |
|             case .portrait: rotateAllButtons(rotationAngle: 0)
 | |
|             case .portraitUpsideDown: rotateAllButtons(rotationAngle: .pi)
 | |
|             case .landscapeLeft: rotateAllButtons(rotationAngle: .halfPi)
 | |
|             case .landscapeRight: rotateAllButtons(rotationAngle: .pi + .halfPi)
 | |
|             default: break
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     // MARK: Call signalling
 | |
|     func handleAnswerMessage(_ message: CallMessage) {
 | |
|         callInfoLabel.text = "Connecting..."
 | |
|     }
 | |
|     
 | |
|     func handleEndCallMessage() {
 | |
|         SNLog("[Calls] Ending call.")
 | |
|         self.callInfoLabel.isHidden = false
 | |
|         self.callDurationLabel.isHidden = true
 | |
|         self.callInfoLabel.text = "Call Ended"
 | |
|         
 | |
|         UIView.animate(withDuration: 0.25) {
 | |
|             let remoteVideoView: RemoteVideoView = self.floatingViewVideoSource == .remote ? self.floatingRemoteVideoView : self.fullScreenRemoteVideoView
 | |
|             remoteVideoView.alpha = 0
 | |
|             self.operationPanel.alpha = 1
 | |
|             self.responsePanel.alpha = 1
 | |
|             self.callInfoLabel.alpha = 1
 | |
|         }
 | |
|         
 | |
|         Timer.scheduledTimer(withTimeInterval: 2, repeats: false) { [weak self] _ in
 | |
|             self?.conversationVC?.showInputAccessoryView()
 | |
|             self?.presentingViewController?.dismiss(animated: true, completion: nil)
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func answerCall() {
 | |
|         AppEnvironment.shared.callManager.answerCall(call) { [weak self] error in
 | |
|             DispatchQueue.main.async {
 | |
|                 if let _ = error {
 | |
|                     self?.callInfoLabel.text = "Can't answer the call."
 | |
|                     self?.endCall()
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func endCall() {
 | |
|         AppEnvironment.shared.callManager.endCall(call) { [weak self] error in
 | |
|             if let _ = error {
 | |
|                 self?.call.endSessionCall()
 | |
|                 AppEnvironment.shared.callManager.reportCurrentCallEnded(reason: nil)
 | |
|             }
 | |
|             
 | |
|             DispatchQueue.main.async {
 | |
|                 self?.conversationVC?.showInputAccessoryView()
 | |
|                 self?.presentingViewController?.dismiss(animated: true, completion: nil)
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func updateDuration() {
 | |
|         callDurationLabel.text = String(format: "%.2d:%.2d", duration/60, duration%60)
 | |
|         duration += 1
 | |
|     }
 | |
|     
 | |
|     // MARK: - Minimize to a floating view
 | |
|     
 | |
|     @objc private func minimize() {
 | |
|         self.shouldRestartCamera = false
 | |
|         self.conversationVC?.showInputAccessoryView()
 | |
|         
 | |
|         let miniCallView = MiniCallView(from: self)
 | |
|         miniCallView.show()
 | |
|         
 | |
|         presentingViewController?.dismiss(animated: true, completion: nil)
 | |
|     }
 | |
|     
 | |
|     // MARK: - Video and Audio
 | |
|     
 | |
|     @objc private func operateCamera() {
 | |
|         if (call.isVideoEnabled) {
 | |
|             floatingViewContainer.isHidden = true
 | |
|             cameraManager.stop()
 | |
|             videoButton.themeTintColor = .textPrimary
 | |
|             videoButton.themeBackgroundColor = .backgroundSecondary
 | |
|             switchCameraButton.isEnabled = false
 | |
|             call.isVideoEnabled = false
 | |
|         }
 | |
|         else {
 | |
|             guard Permissions.requestCameraPermissionIfNeeded() else { return }
 | |
|             let previewVC = VideoPreviewVC()
 | |
|             previewVC.delegate = self
 | |
|             present(previewVC, animated: true, completion: nil)
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     func cameraDidConfirmTurningOn() {
 | |
|         floatingViewContainer.isHidden = false
 | |
|         let localVideoView: LocalVideoView = self.floatingViewVideoSource == .local ? self.floatingLocalVideoView : self.fullScreenLocalVideoView
 | |
|         localVideoView.alpha = 1
 | |
|         cameraManager.prepare()
 | |
|         cameraManager.start()
 | |
|         videoButton.themeTintColor = .backgroundSecondary
 | |
|         videoButton.themeBackgroundColor = .textPrimary
 | |
|         switchCameraButton.isEnabled = true
 | |
|         call.isVideoEnabled = true
 | |
|     }
 | |
|     
 | |
|     @objc private func switchVideo() {
 | |
|         if self.floatingViewVideoSource == .remote {
 | |
|             call.removeRemoteVideoRenderer(self.floatingRemoteVideoView)
 | |
|             call.removeLocalVideoRenderer(self.fullScreenLocalVideoView)
 | |
|             
 | |
|             self.floatingRemoteVideoView.alpha = 0
 | |
|             self.floatingLocalVideoView.alpha = call.isVideoEnabled ? 1 : 0
 | |
|             self.fullScreenRemoteVideoView.alpha = call.isRemoteVideoEnabled ? 1 : 0
 | |
|             self.fullScreenLocalVideoView.alpha = 0
 | |
|             
 | |
|             self.floatingViewVideoSource = .local
 | |
|             call.attachRemoteVideoRenderer(self.fullScreenRemoteVideoView)
 | |
|             call.attachLocalVideoRenderer(self.floatingLocalVideoView)
 | |
|         } else {
 | |
|             call.removeRemoteVideoRenderer(self.fullScreenRemoteVideoView)
 | |
|             call.removeLocalVideoRenderer(self.floatingLocalVideoView)
 | |
|             
 | |
|             self.floatingRemoteVideoView.alpha = call.isRemoteVideoEnabled ? 1 : 0
 | |
|             self.floatingLocalVideoView.alpha = 0
 | |
|             self.fullScreenRemoteVideoView.alpha = 0
 | |
|             self.fullScreenLocalVideoView.alpha = call.isVideoEnabled ? 1 : 0
 | |
|             
 | |
|             self.floatingViewVideoSource = .remote
 | |
|             call.attachRemoteVideoRenderer(self.floatingRemoteVideoView)
 | |
|             call.attachLocalVideoRenderer(self.fullScreenLocalVideoView)
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func switchCamera() {
 | |
|         cameraManager.switchCamera()
 | |
|     }
 | |
|     
 | |
|     @objc private func switchAudio() {
 | |
|         if call.isMuted {
 | |
|             switchAudioButton.themeTintColor = .textPrimary
 | |
|             switchAudioButton.themeBackgroundColor = .backgroundSecondary
 | |
|             call.isMuted = false
 | |
|         }
 | |
|         else {
 | |
|             switchAudioButton.themeTintColor = .white
 | |
|             switchAudioButton.themeBackgroundColor = .danger
 | |
|             call.isMuted = true
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func audioRouteDidChange() {
 | |
|         let currentSession = AVAudioSession.sharedInstance()
 | |
|         let currentRoute = currentSession.currentRoute
 | |
|         if let currentOutput = currentRoute.outputs.first {
 | |
|             if let latestKnownAudioOutputDeviceName = latestKnownAudioOutputDeviceName, currentOutput.portName == latestKnownAudioOutputDeviceName { return }
 | |
|             
 | |
|             latestKnownAudioOutputDeviceName = currentOutput.portName
 | |
|             
 | |
|             switch currentOutput.portType {
 | |
|                 case .builtInSpeaker:
 | |
|                     let image = UIImage(named: "Speaker")?.withRenderingMode(.alwaysTemplate)
 | |
|                     volumeView.setRouteButtonImage(image, for: .normal)
 | |
|                     volumeView.themeTintColor = .backgroundSecondary
 | |
|                     volumeView.themeBackgroundColor = .textPrimary
 | |
|                     
 | |
|                 case .headphones:
 | |
|                     let image = UIImage(named: "Headsets")?.withRenderingMode(.alwaysTemplate)
 | |
|                     volumeView.setRouteButtonImage(image, for: .normal)
 | |
|                     volumeView.themeTintColor = .backgroundSecondary
 | |
|                     volumeView.themeBackgroundColor = .textPrimary
 | |
|                     
 | |
|                 case .bluetoothLE: fallthrough
 | |
|                 case .bluetoothA2DP:
 | |
|                     let image = UIImage(named: "Bluetooth")?.withRenderingMode(.alwaysTemplate)
 | |
|                     volumeView.setRouteButtonImage(image, for: .normal)
 | |
|                     volumeView.themeTintColor = .backgroundSecondary
 | |
|                     volumeView.themeBackgroundColor = .textPrimary
 | |
|                     
 | |
|                 case .bluetoothHFP:
 | |
|                     let image = UIImage(named: "Airpods")?.withRenderingMode(.alwaysTemplate)
 | |
|                     volumeView.setRouteButtonImage(image, for: .normal)
 | |
|                     volumeView.themeTintColor = .backgroundSecondary
 | |
|                     volumeView.themeBackgroundColor = .textPrimary
 | |
|                     
 | |
|                 case .builtInReceiver: fallthrough
 | |
|                 default:
 | |
|                     let image = UIImage(named: "Speaker")?.withRenderingMode(.alwaysTemplate)
 | |
|                     volumeView.setRouteButtonImage(image, for: .normal)
 | |
|                     volumeView.themeTintColor = .backgroundSecondary
 | |
|                     volumeView.themeBackgroundColor = .textPrimary
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     
 | |
|     @objc private func handleFullScreenVideoViewTapped(gesture: UITapGestureRecognizer) {
 | |
|         let isHidden = callDurationLabel.alpha < 0.5
 | |
|         
 | |
|         UIView.animate(withDuration: 0.5) {
 | |
|             self.operationPanel.alpha = isHidden ? 1 : 0
 | |
|             self.responsePanel.alpha = isHidden ? 1 : 0
 | |
|             self.callDurationLabel.alpha = isHidden ? 1 : 0
 | |
|         }
 | |
|     }
 | |
| }
 |