551 lines
22 KiB
Swift
551 lines
22 KiB
Swift
import WebRTC
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import SessionUIKit
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import SessionMessagingKit
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import SessionUtilitiesKit
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import UIKit
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import MediaPlayer
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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.isHidden = !call.isVideoEnabled
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result.layer.cornerRadius = 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.backgroundColor = .black
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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: UIView = {
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let result = UIView()
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let height: CGFloat = 64
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var frame = UIScreen.main.bounds
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frame.size.height = height
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let layer = CAGradientLayer()
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layer.frame = frame
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layer.colors = [ UIColor(hex: 0x000000).withAlphaComponent(0.4).cgColor, UIColor(hex: 0x000000).withAlphaComponent(0).cgColor ]
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result.layer.insertSublayer(layer, at: 0)
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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.isHidden = !call.hasConnected
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let image = UIImage(named: "Minimize")!.withTint(.white)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.addTarget(self, action: #selector(minimize), for: UIControl.Event.touchUpInside)
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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.isHidden = call.hasStartedConnecting
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let image = UIImage(named: "AnswerCall")!.withTint(.white)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.backgroundColor = Colors.accent
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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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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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let image = UIImage(named: "EndCall")!.withTint(.white)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.backgroundColor = Colors.destructive
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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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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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let image = UIImage(named: "SwitchCamera")!.withTint(.white)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.backgroundColor = UIColor(hex: 0x1F1F1F)
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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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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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let image = UIImage(named: "AudioOff")!.withTint(.white)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.backgroundColor = call.isMuted ? Colors.destructive : UIColor(hex: 0x1F1F1F)
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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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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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let image = UIImage(named: "VideoCall")?.withRenderingMode(.alwaysTemplate)
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result.setImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.tintColor = .white
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result.backgroundColor = UIColor(hex: 0x1F1F1F)
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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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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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let image = UIImage(named: "Speaker")?.withRenderingMode(.alwaysTemplate)
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result.showsVolumeSlider = false
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result.showsRouteButton = true
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result.setRouteButtonImage(image, for: UIControl.State.normal)
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result.set(.width, to: 60)
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result.set(.height, to: 60)
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result.tintColor = .white
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result.backgroundColor = UIColor(hex: 0x1F1F1F)
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result.layer.cornerRadius = 30
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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()
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result.textColor = .white
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result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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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()
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result.isHidden = call.hasConnected
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result.textColor = .white
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result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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result.textAlignment = .center
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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.isHidden = true
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result.textColor = .white
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result.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
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result.textAlignment = .center
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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(withDuration: 0.5, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: .curveEaseIn, animations: {
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self.answerButton.isHidden = true
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}, completion: nil)
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}
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}
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self.call.hasConnectedDidChange = {
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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 = {
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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 = {
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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 = {
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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.backgroundColor = .black
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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) { 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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} 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, withInset: -Values.newConversationButtonBottomOffset)
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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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let window = CurrentAppContext().mainWindow!
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window.addSubview(localVideoView)
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localVideoView.autoPinEdge(toSuperviewEdge: .right, withInset: Values.smallSpacing)
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let topMargin = safeAreaInsets.top + 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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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:
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rotateAllButtons(rotationAngle: 0)
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case .portraitUpsideDown:
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rotateAllButtons(rotationAngle: .pi)
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case .landscapeLeft:
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rotateAllButtons(rotationAngle: .halfPi)
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case .landscapeRight:
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rotateAllButtons(rotationAngle: .pi + .halfPi)
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default:
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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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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) { _ 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) { 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) { 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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}
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DispatchQueue.main.async {
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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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}
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@objc private func updateDuration() {
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callDurationLabel.text = String(format: "%.2d:%.2d", duration/60, duration%60)
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duration += 1
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}
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// MARK: Minimize to a floating view
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@objc private func minimize() {
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self.shouldRestartCamera = false
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let miniCallView = MiniCallView(from: self)
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miniCallView.show()
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self.conversationVC?.showInputAccessoryView()
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presentingViewController?.dismiss(animated: true, completion: nil)
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}
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// MARK: Video and Audio
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@objc private func operateCamera() {
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if (call.isVideoEnabled) {
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localVideoView.isHidden = true
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cameraManager.stop()
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videoButton.tintColor = .white
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videoButton.backgroundColor = UIColor(hex: 0x1F1F1F)
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switchCameraButton.isEnabled = false
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call.isVideoEnabled = false
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} else {
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guard requestCameraPermissionIfNeeded() else { return }
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let previewVC = VideoPreviewVC()
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previewVC.delegate = self
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present(previewVC, animated: true, completion: nil)
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}
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}
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func cameraDidConfirmTurningOn() {
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localVideoView.isHidden = false
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cameraManager.prepare()
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cameraManager.start()
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videoButton.tintColor = UIColor(hex: 0x1F1F1F)
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videoButton.backgroundColor = .white
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switchCameraButton.isEnabled = true
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call.isVideoEnabled = true
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}
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@objc private func switchCamera() {
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cameraManager.switchCamera()
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}
|
|
|
|
@objc private func switchAudio() {
|
|
if call.isMuted {
|
|
switchAudioButton.backgroundColor = UIColor(hex: 0x1F1F1F)
|
|
call.isMuted = false
|
|
} else {
|
|
switchAudioButton.backgroundColor = Colors.destructive
|
|
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.tintColor = UIColor(hex: 0x1F1F1F)
|
|
volumeView.backgroundColor = .white
|
|
case .headphones:
|
|
let image = UIImage(named: "Headsets")?.withRenderingMode(.alwaysTemplate)
|
|
volumeView.setRouteButtonImage(image, for: .normal)
|
|
volumeView.tintColor = UIColor(hex: 0x1F1F1F)
|
|
volumeView.backgroundColor = .white
|
|
case .bluetoothLE: fallthrough
|
|
case .bluetoothA2DP:
|
|
let image = UIImage(named: "Bluetooth")?.withRenderingMode(.alwaysTemplate)
|
|
volumeView.setRouteButtonImage(image, for: .normal)
|
|
volumeView.tintColor = UIColor(hex: 0x1F1F1F)
|
|
volumeView.backgroundColor = .white
|
|
case .bluetoothHFP:
|
|
let image = UIImage(named: "Airpods")?.withRenderingMode(.alwaysTemplate)
|
|
volumeView.setRouteButtonImage(image, for: .normal)
|
|
volumeView.tintColor = UIColor(hex: 0x1F1F1F)
|
|
volumeView.backgroundColor = .white
|
|
case .builtInReceiver: fallthrough
|
|
default:
|
|
let image = UIImage(named: "Speaker")?.withRenderingMode(.alwaysTemplate)
|
|
volumeView.setRouteButtonImage(image, for: .normal)
|
|
volumeView.tintColor = .white
|
|
volumeView.backgroundColor = UIColor(hex: 0x1F1F1F)
|
|
}
|
|
}
|
|
}
|
|
|
|
@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
|
|
}
|
|
}
|
|
}
|