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658 lines
24 KiB
Swift
658 lines
24 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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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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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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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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// MARK: - UI Components
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private lazy var localVideoView: LocalVideoView = {
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let result = LocalVideoView()
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result.clipsToBounds = true
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result.themeBackgroundColor = .backgroundSecondary
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result.isHidden = !call.isVideoEnabled
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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.set(.width, to: LocalVideoView.width)
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result.set(.height, to: LocalVideoView.height)
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result.makeViewDraggable()
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return result
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}()
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private lazy var remoteVideoView: 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(handleRemoteVieioViewTapped)))
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return result
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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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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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return result
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}()
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private lazy var profilePictureView: UIImageView = {
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let result = UIImageView()
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let radius: CGFloat = isIPhone6OrSmaller ? 100 : 120
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result.image = self.call.profilePicture
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result.set(.width, to: radius * 2)
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result.set(.height, to: radius * 2)
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result.layer.cornerRadius = radius
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result.layer.masksToBounds = true
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result.contentMode = .scaleAspectFill
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return result
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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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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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return result
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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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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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return result
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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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return result
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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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return result
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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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return result
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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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return result
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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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return result
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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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return result
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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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return result
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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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return result
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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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if call.hasStartedConnecting { result.text = "Connecting..." }
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return result
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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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return result
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}()
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// MARK: - Lifecycle
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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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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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self.remoteVideoView.alpha = isEnabled ? 1 : 0
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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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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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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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self.call.hasConnectedDidChange = { [weak self] in
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DispatchQueue.main.async {
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CallRingTonePlayer.shared.stopPlayingRingTone()
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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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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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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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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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required init(coder: NSCoder) { preconditionFailure("Use init(for:) instead.") }
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override func viewDidLoad() {
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super.viewDidLoad()
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view.themeBackgroundColor = .backgroundPrimary
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setUpViewHierarchy()
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if shouldRestartCamera { cameraManager.prepare() }
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touch(call.videoCapturer)
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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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}
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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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// Remote video view
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call.attachRemoteVideoRenderer(remoteVideoView)
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view.addSubview(remoteVideoView)
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remoteVideoView.translatesAutoresizingMaskIntoConstraints = false
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remoteVideoView.pin(to: view)
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// Local video view
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call.attachLocalVideoRenderer(localVideoView)
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// Fade view
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view.addSubview(fadeView)
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fadeView.translatesAutoresizingMaskIntoConstraints = false
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fadeView.pin([ UIView.HorizontalEdge.left, UIView.VerticalEdge.top, UIView.HorizontalEdge.right ], to: view)
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// Minimize button
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view.addSubview(minimizeButton)
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minimizeButton.translatesAutoresizingMaskIntoConstraints = false
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minimizeButton.pin(.left, to: .left, of: view)
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minimizeButton.pin(.top, to: .top, of: view, withInset: 32)
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// Title label
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view.addSubview(titleLabel)
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titleLabel.translatesAutoresizingMaskIntoConstraints = false
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titleLabel.center(.vertical, in: minimizeButton)
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titleLabel.center(.horizontal, in: view)
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// Response Panel
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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)
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// Operation Panel
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view.addSubview(operationPanel)
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operationPanel.center(.horizontal, in: view)
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operationPanel.pin(.bottom, to: .top, of: responsePanel, withInset: -Values.veryLargeSpacing)
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// Profile picture view
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profilePictureContainer.pin(.top, to: .bottom, of: fadeView)
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profilePictureContainer.pin(.bottom, to: .top, of: operationPanel)
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profilePictureContainer.pin([ UIView.HorizontalEdge.left, UIView.HorizontalEdge.right ], to: view)
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profilePictureContainer.addSubview(profilePictureView)
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profilePictureView.center(in: profilePictureContainer)
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// Call info label
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let callInfoLabelContainer = UIView()
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view.addSubview(callInfoLabelContainer)
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callInfoLabelContainer.pin(.top, to: .bottom, of: profilePictureView)
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callInfoLabelContainer.pin(.bottom, to: .bottom, of: profilePictureContainer)
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callInfoLabelContainer.pin([ UIView.HorizontalEdge.left, UIView.HorizontalEdge.right ], to: view)
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callInfoLabelContainer.addSubview(callInfoLabel)
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callInfoLabelContainer.addSubview(callDurationLabel)
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callInfoLabel.translatesAutoresizingMaskIntoConstraints = false
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callInfoLabel.center(in: callInfoLabelContainer)
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callDurationLabel.translatesAutoresizingMaskIntoConstraints = false
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callDurationLabel.center(in: callInfoLabelContainer)
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}
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private func addLocalVideoView() {
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let safeAreaInsets = UIApplication.shared.keyWindow?.safeAreaInsets
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CurrentAppContext().mainWindow?.addSubview(localVideoView)
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localVideoView.autoPinEdge(toSuperviewEdge: .right, withInset: Values.smallSpacing)
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let topMargin = (safeAreaInsets?.top ?? 0) + Values.veryLargeSpacing
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localVideoView.autoPinEdge(toSuperviewEdge: .top, withInset: topMargin)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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if (call.isVideoEnabled && shouldRestartCamera) { cameraManager.start() }
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shouldRestartCamera = true
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addLocalVideoView()
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remoteVideoView.alpha = (call.isRemoteVideoEnabled ? 1 : 0)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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if (call.isVideoEnabled && shouldRestartCamera) { cameraManager.stop() }
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localVideoView.removeFromSuperview()
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}
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// MARK: - Orientation
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private func setupOrientationMonitoring() {
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UIDevice.current.beginGeneratingDeviceOrientationNotifications()
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NotificationCenter.default.addObserver(self, selector: #selector(didChangeDeviceOrientation), name: UIDevice.orientationDidChangeNotification, object: UIDevice.current)
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}
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@objc func didChangeDeviceOrientation(notification: Notification) {
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if UIDevice.current.isIPad { return }
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func rotateAllButtons(rotationAngle: CGFloat) {
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let transform = CGAffineTransform(rotationAngle: rotationAngle)
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UIView.animate(withDuration: 0.2) {
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self.answerButton.transform = transform
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self.hangUpButton.transform = transform
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self.switchAudioButton.transform = transform
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self.switchCameraButton.transform = transform
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self.videoButton.transform = transform
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self.volumeView.transform = transform
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}
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}
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switch UIDevice.current.orientation {
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case .portrait: rotateAllButtons(rotationAngle: 0)
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case .portraitUpsideDown: rotateAllButtons(rotationAngle: .pi)
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case .landscapeLeft: rotateAllButtons(rotationAngle: .halfPi)
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case .landscapeRight: rotateAllButtons(rotationAngle: .pi + .halfPi)
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default: break
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}
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}
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// MARK: Call signalling
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func handleAnswerMessage(_ message: CallMessage) {
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callInfoLabel.text = "Connecting..."
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}
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func handleEndCallMessage() {
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SNLog("[Calls] Ending call.")
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self.callInfoLabel.isHidden = false
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self.callDurationLabel.isHidden = true
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self.callInfoLabel.text = "Call Ended"
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UIView.animate(withDuration: 0.25) {
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self.remoteVideoView.alpha = 0
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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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Timer.scheduledTimer(withTimeInterval: 2, repeats: false) { [weak self] _ in
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self?.conversationVC?.showInputAccessoryView()
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self?.presentingViewController?.dismiss(animated: true, completion: nil)
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}
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}
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@objc private func answerCall() {
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AppEnvironment.shared.callManager.answerCall(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 answer the call."
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self?.endCall()
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}
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}
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}
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}
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@objc private func endCall() {
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AppEnvironment.shared.callManager.endCall(call) { [weak self] error in
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if let _ = error {
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self?.call.endSessionCall()
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AppEnvironment.shared.callManager.reportCurrentCallEnded(reason: nil)
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|
}
|
|
|
|
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) {
|
|
localVideoView.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() {
|
|
localVideoView.isHidden = false
|
|
cameraManager.prepare()
|
|
cameraManager.start()
|
|
videoButton.themeTintColor = .backgroundSecondary
|
|
videoButton.themeBackgroundColor = .textPrimary
|
|
switchCameraButton.isEnabled = true
|
|
call.isVideoEnabled = true
|
|
}
|
|
|
|
@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 handleRemoteVieioViewTapped(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
|
|
}
|
|
}
|
|
}
|