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1092 lines
44 KiB
Swift
1092 lines
44 KiB
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import WebRTC
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import PromiseKit
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// TODO: Add category so that button handlers can be defined where button is created.
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// TODO: Ensure buttons enabled & disabled as necessary.
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class CallViewController: OWSViewController, CallObserver, CallServiceObserver, RTCEAGLVideoViewDelegate {
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let TAG = "[CallViewController]"
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// Dependencies
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let callUIAdapter: CallUIAdapter
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let contactsManager: OWSContactsManager
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// MARK: Properties
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let thread: TSContactThread
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let call: SignalCall
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var hasDismissed = false
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// MARK: Views
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var hasConstraints = false
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var blurView: UIVisualEffectView!
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var dateFormatter: DateFormatter?
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// MARK: Contact Views
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var contactNameLabel: MarqueeLabel!
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var contactAvatarView: AvatarImageView!
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var callStatusLabel: UILabel!
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var callDurationTimer: Timer?
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// MARK: Ongoing Call Controls
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var ongoingCallView: UIView!
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var hangUpButton: UIButton!
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var audioSourceButton: UIButton!
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var audioModeMuteButton: UIButton!
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var audioModeVideoButton: UIButton!
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var videoModeMuteButton: UIButton!
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var videoModeVideoButton: UIButton!
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// TODO: Later, we'll re-enable the text message button
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// so users can send and read messages during a
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// call.
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// var textMessageButton: UIButton!
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// MARK: Incoming Call Controls
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var incomingCallView: UIView!
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var acceptIncomingButton: UIButton!
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var declineIncomingButton: UIButton!
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// MARK: Video Views
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var remoteVideoView: RTCEAGLVideoView!
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var localVideoView: RTCCameraPreviewView!
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weak var localVideoTrack: RTCVideoTrack?
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weak var remoteVideoTrack: RTCVideoTrack?
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var remoteVideoSize: CGSize! = CGSize.zero
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var remoteVideoConstraints: [NSLayoutConstraint] = []
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var localVideoConstraints: [NSLayoutConstraint] = []
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var shouldRemoteVideoControlsBeHidden = false {
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didSet {
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updateCallUI(callState: call.state)
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}
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}
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// MARK: Settings Nag Views
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var isShowingSettingsNag = false {
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didSet {
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if oldValue != isShowingSettingsNag {
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updateCallUI(callState: call.state)
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}
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}
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}
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var settingsNagView: UIView!
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var settingsNagDescriptionLabel: UILabel!
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// MARK: Audio Source
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var hasAlternateAudioSources: Bool {
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Logger.info("\(TAG) available audio sources: \(allAudioSources)")
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// internal mic and speakerphone will be the first two, any more than one indicates e.g. an attached bluetooth device.
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// TODO is this sufficient? Are their devices w/ bluetooth but no external speaker? e.g. ipod?
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return allAudioSources.count > 2
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}
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var allAudioSources: Set<AudioSource>
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var appropriateAudioSources: Set<AudioSource> {
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if call.hasLocalVideo {
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let appropriateForVideo = allAudioSources.filter { audioSource in
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if audioSource.isBuiltInSpeaker {
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return true
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} else {
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guard let portDescription = audioSource.portDescription else {
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owsFail("Only built in speaker should be lacking a port description.")
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return false
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}
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// Don't use receiver when video is enabled. Only bluetooth or speaker
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return portDescription.portType != AVAudioSessionPortBuiltInMic
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}
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}
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return Set(appropriateForVideo)
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} else {
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return allAudioSources
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}
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}
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// MARK: Initializers
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@available(*, unavailable, message: "use init(call:) constructor instead.")
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required init?(coder aDecoder: NSCoder) {
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contactsManager = Environment.getCurrent().contactsManager
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callUIAdapter = Environment.getCurrent().callUIAdapter
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allAudioSources = Set(callUIAdapter.audioService.availableInputs)
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self.call = SignalCall.outgoingCall(localId: UUID(), remotePhoneNumber: "+1234567890")
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self.thread = TSContactThread.getOrCreateThread(contactId: call.remotePhoneNumber)
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super.init(coder: aDecoder)
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observeNotifications()
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}
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required init(call: SignalCall) {
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contactsManager = Environment.getCurrent().contactsManager
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callUIAdapter = Environment.getCurrent().callUIAdapter
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allAudioSources = Set(callUIAdapter.audioService.availableInputs)
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self.call = call
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self.thread = TSContactThread.getOrCreateThread(contactId: call.remotePhoneNumber)
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super.init(nibName: nil, bundle: nil)
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observeNotifications()
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}
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func observeNotifications() {
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NotificationCenter.default.addObserver(self,
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selector:#selector(didBecomeActive),
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name:NSNotification.Name.UIApplicationDidBecomeActive,
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object:nil)
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NotificationCenter.default.addObserver(forName: CallAudioServiceSessionChanged, object: nil, queue: nil) { [weak self] _ in
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self?.didChangeAudioSession()
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}
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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func didBecomeActive() {
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if (self.isViewLoaded) {
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shouldRemoteVideoControlsBeHidden = false
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}
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}
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// MARK: View Lifecycle
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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UIDevice.current.isProximityMonitoringEnabled = false
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callDurationTimer?.invalidate()
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callDurationTimer = nil
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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UIDevice.current.isProximityMonitoringEnabled = true
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updateCallUI(callState: call.state)
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}
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override func loadView() {
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self.view = UIView()
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createViews()
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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contactNameLabel.text = contactsManager.stringForConversationTitle(withPhoneIdentifier: thread.contactIdentifier())
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updateAvatarImage()
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NotificationCenter.default.addObserver(forName: .OWSContactsManagerSignalAccountsDidChange, object: nil, queue: nil) { [weak self] _ in
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guard let strongSelf = self else { return }
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Logger.info("\(strongSelf.TAG) updating avatar image")
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strongSelf.updateAvatarImage()
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}
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// Subscribe for future call updates
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call.addObserverAndSyncState(observer: self)
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Environment.getCurrent().callService.addObserverAndSyncState(observer: self)
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}
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// MARK: - Create Views
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func createViews() {
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self.view.isUserInteractionEnabled = true
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self.view.addGestureRecognizer(OWSAnyTouchGestureRecognizer(target:self,
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action:#selector(didTouchRootView)))
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// Dark blurred background.
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let blurEffect = UIBlurEffect(style: .dark)
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blurView = UIVisualEffectView(effect: blurEffect)
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blurView.isUserInteractionEnabled = false
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self.view.addSubview(blurView)
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self.view.setHLayoutMargins(0)
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// Create the video views first, as they are under the other views.
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createVideoViews()
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createContactViews()
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createOngoingCallControls()
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createIncomingCallControls()
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createSettingsNagViews()
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}
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func didTouchRootView(sender: UIGestureRecognizer) {
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if !remoteVideoView.isHidden {
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shouldRemoteVideoControlsBeHidden = !shouldRemoteVideoControlsBeHidden
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}
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}
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func createVideoViews() {
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remoteVideoView = RTCEAGLVideoView()
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remoteVideoView.delegate = self
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remoteVideoView.isUserInteractionEnabled = false
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localVideoView = RTCCameraPreviewView()
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remoteVideoView.isHidden = true
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localVideoView.isHidden = true
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self.view.addSubview(remoteVideoView)
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self.view.addSubview(localVideoView)
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}
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func createContactViews() {
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contactNameLabel = MarqueeLabel()
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// marquee config
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contactNameLabel.type = .continuous
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// This feels pretty slow when you're initially waiting for it, but when you're overlaying video calls, anything faster is distracting.
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contactNameLabel.speed = .duration(30.0)
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contactNameLabel.animationCurve = .linear
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contactNameLabel.fadeLength = 10.0
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contactNameLabel.animationDelay = 5
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// Add trailing space after the name scrolls before it wraps around and scrolls back in.
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contactNameLabel.trailingBuffer = ScaleFromIPhone5(80.0)
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// label config
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contactNameLabel.font = UIFont.ows_lightFont(withSize:ScaleFromIPhone5To7Plus(32, 40))
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contactNameLabel.textColor = UIColor.white
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contactNameLabel.layer.shadowOffset = CGSize.zero
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contactNameLabel.layer.shadowOpacity = 0.35
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contactNameLabel.layer.shadowRadius = 4
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self.view.addSubview(contactNameLabel)
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callStatusLabel = UILabel()
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callStatusLabel.font = UIFont.ows_regularFont(withSize:ScaleFromIPhone5To7Plus(19, 25))
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callStatusLabel.textColor = UIColor.white
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callStatusLabel.layer.shadowOffset = CGSize.zero
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callStatusLabel.layer.shadowOpacity = 0.35
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callStatusLabel.layer.shadowRadius = 4
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self.view.addSubview(callStatusLabel)
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contactAvatarView = AvatarImageView()
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self.view.addSubview(contactAvatarView)
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}
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func createSettingsNagViews() {
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settingsNagView = UIView()
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settingsNagView.isHidden = true
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self.view.addSubview(settingsNagView)
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let viewStack = UIView()
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settingsNagView.addSubview(viewStack)
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viewStack.autoPinWidthToSuperview()
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viewStack.autoVCenterInSuperview()
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settingsNagDescriptionLabel = UILabel()
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settingsNagDescriptionLabel.text = NSLocalizedString("CALL_VIEW_SETTINGS_NAG_DESCRIPTION_ALL",
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comment: "Reminder to the user of the benefits of enabling CallKit and disabling CallKit privacy.")
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settingsNagDescriptionLabel.font = UIFont.ows_regularFont(withSize:ScaleFromIPhone5To7Plus(16, 18))
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settingsNagDescriptionLabel.textColor = UIColor.white
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settingsNagDescriptionLabel.numberOfLines = 0
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settingsNagDescriptionLabel.lineBreakMode = .byWordWrapping
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viewStack.addSubview(settingsNagDescriptionLabel)
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settingsNagDescriptionLabel.autoPinWidthToSuperview()
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settingsNagDescriptionLabel.autoPinEdge(toSuperviewEdge:.top)
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let buttonHeight = ScaleFromIPhone5To7Plus(35, 45)
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let buttonFont = UIFont.ows_regularFont(withSize:ScaleFromIPhone5To7Plus(14, 18))
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let buttonCornerRadius = CGFloat(4)
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let descriptionVSpacingHeight = ScaleFromIPhone5To7Plus(30, 60)
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let callSettingsButton = UIButton()
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callSettingsButton.setTitle(NSLocalizedString("CALL_VIEW_SETTINGS_NAG_SHOW_CALL_SETTINGS",
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comment: "Label for button that shows the privacy settings"), for:.normal)
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callSettingsButton.setTitleColor(UIColor.white, for:.normal)
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callSettingsButton.titleLabel!.font = buttonFont
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callSettingsButton.addTarget(self, action:#selector(didPressShowCallSettings), for:.touchUpInside)
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callSettingsButton.backgroundColor = UIColor.ows_signalBrandBlue()
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callSettingsButton.layer.cornerRadius = buttonCornerRadius
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callSettingsButton.clipsToBounds = true
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viewStack.addSubview(callSettingsButton)
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callSettingsButton.autoSetDimension(.height, toSize:buttonHeight)
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callSettingsButton.autoPinWidthToSuperview()
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callSettingsButton.autoPinEdge(.top, to:.bottom, of:settingsNagDescriptionLabel, withOffset:descriptionVSpacingHeight)
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let notNowButton = UIButton()
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notNowButton.setTitle(NSLocalizedString("CALL_VIEW_SETTINGS_NAG_NOT_NOW_BUTTON",
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comment: "Label for button that dismiss the call view's settings nag."), for:.normal)
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notNowButton.setTitleColor(UIColor.white, for:.normal)
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notNowButton.titleLabel!.font = buttonFont
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notNowButton.addTarget(self, action:#selector(didPressDismissNag), for:.touchUpInside)
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notNowButton.backgroundColor = UIColor.ows_signalBrandBlue()
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notNowButton.layer.cornerRadius = buttonCornerRadius
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notNowButton.clipsToBounds = true
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viewStack.addSubview(notNowButton)
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notNowButton.autoSetDimension(.height, toSize:buttonHeight)
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notNowButton.autoPinWidthToSuperview()
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notNowButton.autoPinEdge(toSuperviewEdge:.bottom)
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notNowButton.autoPinEdge(.top, to:.bottom, of:callSettingsButton, withOffset:12)
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}
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func buttonSize() -> CGFloat {
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return ScaleFromIPhone5To7Plus(84, 108)
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}
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func buttonInset() -> CGFloat {
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return ScaleFromIPhone5To7Plus(7, 9)
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}
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func createOngoingCallControls() {
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// textMessageButton = createButton(imageName:"message-active-wide",
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// action:#selector(didPressTextMessage))
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audioSourceButton = createButton(imageName:"audio-call-speaker-inactive",
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action:#selector(didPressAudioSource))
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hangUpButton = createButton(imageName:"hangup-active-wide",
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action:#selector(didPressHangup))
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audioModeMuteButton = createButton(imageName:"audio-call-mute-inactive",
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action:#selector(didPressMute))
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videoModeMuteButton = createButton(imageName:"video-mute-unselected",
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action:#selector(didPressMute))
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audioModeVideoButton = createButton(imageName:"audio-call-video-inactive",
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action:#selector(didPressVideo))
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videoModeVideoButton = createButton(imageName:"video-video-unselected",
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action:#selector(didPressVideo))
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setButtonSelectedImage(button: audioModeMuteButton, imageName: "audio-call-mute-active")
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setButtonSelectedImage(button: videoModeMuteButton, imageName: "video-mute-selected")
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setButtonSelectedImage(button: audioModeVideoButton, imageName: "audio-call-video-active")
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setButtonSelectedImage(button: videoModeVideoButton, imageName: "video-video-selected")
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ongoingCallView = createContainerForCallControls(controlGroups : [
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[audioModeMuteButton, audioSourceButton, audioModeVideoButton ],
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[videoModeMuteButton, hangUpButton, videoModeVideoButton ]
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])
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}
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func didChangeAudioSession() {
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AssertIsOnMainThread()
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// Which sources are available depends on the state of your Session.
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// When the audio session is not yet in PlayAndRecord none are available
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// Then if we're in speakerphone, bluetooth isn't available.
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// So we acrew all possible audio sources in a set, and that list lives as longs as the CallViewController
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// The downside of this is that if you e.g. unpair your bluetooth mid call, it will still appear as an option
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// until your next call.
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// FIXME: There's got to be a better way, but this is where I landed after a bit of work, and seems to work
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// pretty well in practrice.
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let availableInputs = callUIAdapter.audioService.availableInputs
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self.allAudioSources.formUnion(availableInputs)
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}
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func presentAudioSourcePicker() {
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AssertIsOnMainThread()
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let actionSheetController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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let dismissAction = UIAlertAction(title: CommonStrings.dismissButton, style: .cancel, handler: nil)
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actionSheetController.addAction(dismissAction)
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let currentAudioSource = callUIAdapter.audioService.currentAudioSource(call: self.call)
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for audioSource in self.appropriateAudioSources {
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let routeAudioAction = UIAlertAction(title: audioSource.localizedName, style: .default) { _ in
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self.callUIAdapter.setAudioSource(call: self.call, audioSource: audioSource)
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}
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// HACK: private API to create checkmark for active audio source.
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routeAudioAction.setValue(currentAudioSource == audioSource, forKey: "checked")
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// TODO: pick some icons. Leaving out for MVP
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// HACK: private API to add image to actionsheet
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// routeAudioAction.setValue(audioSource.image, forKey: "image")
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actionSheetController.addAction(routeAudioAction)
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}
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self.present(actionSheetController, animated: true)
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}
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func setButtonSelectedImage(button: UIButton, imageName: String) {
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let image = UIImage(named:imageName)
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assert(image != nil)
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button.setImage(image, for:.selected)
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}
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func updateAvatarImage() {
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contactAvatarView.image = OWSAvatarBuilder.buildImage(thread: thread, diameter: 400, contactsManager: contactsManager)
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}
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func createIncomingCallControls() {
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acceptIncomingButton = createButton(imageName:"call-active-wide",
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action:#selector(didPressAnswerCall))
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declineIncomingButton = createButton(imageName:"hangup-active-wide",
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action:#selector(didPressDeclineCall))
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incomingCallView = createContainerForCallControls(controlGroups : [
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[acceptIncomingButton, declineIncomingButton ]
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])
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}
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func createContainerForCallControls(controlGroups: [[UIView]]) -> UIView {
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let containerView = UIView()
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self.view.addSubview(containerView)
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var rows: [UIView] = []
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for controlGroup in controlGroups {
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rows.append(rowWithSubviews(subviews:controlGroup))
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}
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let rowspacing = ScaleFromIPhone5To7Plus(6, 7)
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var prevRow: UIView?
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for row in rows {
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containerView.addSubview(row)
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row.autoHCenterInSuperview()
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if prevRow != nil {
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row.autoPinEdge(.top, to:.bottom, of:prevRow!, withOffset:rowspacing)
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}
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prevRow = row
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}
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containerView.setContentHuggingVerticalHigh()
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rows.first!.autoPinEdge(toSuperviewEdge:.top)
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rows.last!.autoPinEdge(toSuperviewEdge:.bottom)
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return containerView
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}
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func createButton(imageName: String, action: Selector) -> UIButton {
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let image = UIImage(named:imageName)
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assert(image != nil)
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let button = UIButton()
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button.setImage(image, for:.normal)
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button.imageEdgeInsets = UIEdgeInsets(top: buttonInset(),
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left: buttonInset(),
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bottom: buttonInset(),
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right: buttonInset())
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button.addTarget(self, action:action, for:.touchUpInside)
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button.autoSetDimension(.width, toSize:buttonSize())
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button.autoSetDimension(.height, toSize:buttonSize())
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return button
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}
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// Creates a row containing a given set of subviews.
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func rowWithSubviews(subviews: [UIView]) -> UIView {
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let row = UIView()
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row.setContentHuggingVerticalHigh()
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row.autoSetDimension(.height, toSize:buttonSize())
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if subviews.count > 1 {
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// If there's more than one subview in the row,
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// space them evenly within the row.
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var lastSubview: UIView?
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for subview in subviews {
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row.addSubview(subview)
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subview.setContentHuggingHorizontalHigh()
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subview.autoVCenterInSuperview()
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if lastSubview != nil {
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let spacer = UIView()
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spacer.isHidden = true
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row.addSubview(spacer)
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spacer.autoPinEdge(.left, to:.right, of:lastSubview!)
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spacer.autoPinEdge(.right, to:.left, of:subview)
|
|
spacer.setContentHuggingHorizontalLow()
|
|
spacer.autoVCenterInSuperview()
|
|
|
|
if subviews.count == 2 {
|
|
// special case to hardcode the spacer's size when there is only 1 spacer.
|
|
spacer.autoSetDimension(.width, toSize: ScaleFromIPhone5To7Plus(46, 60))
|
|
} else {
|
|
spacer.autoSetDimension(.width, toSize: ScaleFromIPhone5To7Plus(3, 5))
|
|
}
|
|
}
|
|
|
|
lastSubview = subview
|
|
}
|
|
subviews.first!.autoPinEdge(toSuperviewEdge:.left)
|
|
subviews.last!.autoPinEdge(toSuperviewEdge:.right)
|
|
} else if subviews.count == 1 {
|
|
// If there's only one subview in this row, center it.
|
|
let subview = subviews.first!
|
|
row.addSubview(subview)
|
|
subview.autoVCenterInSuperview()
|
|
subview.autoPinWidthToSuperview()
|
|
}
|
|
|
|
return row
|
|
}
|
|
|
|
// MARK: - Layout
|
|
|
|
override func updateViewConstraints() {
|
|
if !hasConstraints {
|
|
// We only want to create our constraints once.
|
|
//
|
|
// Note that constraints are also created elsewhere.
|
|
// This only creates the constraints for the top-level contents of the view.
|
|
hasConstraints = true
|
|
|
|
let topMargin = CGFloat(40)
|
|
let contactHMargin = CGFloat(5)
|
|
let contactVSpacing = CGFloat(3)
|
|
let ongoingHMargin = ScaleFromIPhone5To7Plus(46, 72)
|
|
let incomingHMargin = ScaleFromIPhone5To7Plus(46, 72)
|
|
let settingsNagHMargin = CGFloat(30)
|
|
let ongoingBottomMargin = ScaleFromIPhone5To7Plus(23, 41)
|
|
let incomingBottomMargin = CGFloat(41)
|
|
let settingsNagBottomMargin = CGFloat(41)
|
|
let avatarTopSpacing = ScaleFromIPhone5To7Plus(25, 50)
|
|
// The buttons have built-in 10% margins, so to appear centered
|
|
// the avatar's bottom spacing should be a bit less.
|
|
let avatarBottomSpacing = ScaleFromIPhone5To7Plus(18, 41)
|
|
// Layout of the local video view is a bit unusual because
|
|
// although the view is square, it will be used
|
|
let videoPreviewHMargin = CGFloat(0)
|
|
|
|
// Dark blurred background.
|
|
blurView.autoPinEdgesToSuperviewEdges()
|
|
|
|
localVideoView.autoPinTrailingToSuperView(withMargin: videoPreviewHMargin)
|
|
localVideoView.autoPinEdge(toSuperviewEdge:.top, withInset:topMargin)
|
|
let localVideoSize = ScaleFromIPhone5To7Plus(80, 100)
|
|
localVideoView.autoSetDimension(.width, toSize:localVideoSize)
|
|
localVideoView.autoSetDimension(.height, toSize:localVideoSize)
|
|
|
|
contactNameLabel.autoPinEdge(toSuperviewEdge:.top, withInset:topMargin)
|
|
contactNameLabel.autoPinLeadingToSuperView(withMargin: contactHMargin)
|
|
contactNameLabel.setContentHuggingVerticalHigh()
|
|
|
|
callStatusLabel.autoPinEdge(.top, to:.bottom, of:contactNameLabel, withOffset:contactVSpacing)
|
|
callStatusLabel.autoPinLeadingToSuperView(withMargin: contactHMargin)
|
|
callStatusLabel.setContentHuggingVerticalHigh()
|
|
|
|
contactAvatarView.autoPinEdge(.top, to:.bottom, of:callStatusLabel, withOffset:+avatarTopSpacing)
|
|
contactAvatarView.autoPinEdge(.bottom, to:.top, of:ongoingCallView, withOffset:-avatarBottomSpacing)
|
|
contactAvatarView.autoHCenterInSuperview()
|
|
// Stretch that avatar to fill the available space.
|
|
contactAvatarView.setContentHuggingLow()
|
|
contactAvatarView.setCompressionResistanceLow()
|
|
// Preserve square aspect ratio of contact avatar.
|
|
contactAvatarView.autoMatch(.width, to:.height, of:contactAvatarView)
|
|
|
|
// Ongoing call controls
|
|
ongoingCallView.autoPinEdge(toSuperviewEdge:.bottom, withInset:ongoingBottomMargin)
|
|
ongoingCallView.autoPinWidthToSuperview(withMargin:ongoingHMargin)
|
|
ongoingCallView.setContentHuggingVerticalHigh()
|
|
|
|
// Incoming call controls
|
|
incomingCallView.autoPinEdge(toSuperviewEdge:.bottom, withInset:incomingBottomMargin)
|
|
incomingCallView.autoPinWidthToSuperview(withMargin:incomingHMargin)
|
|
incomingCallView.setContentHuggingVerticalHigh()
|
|
|
|
// Settings nag views
|
|
settingsNagView.autoPinEdge(toSuperviewEdge:.bottom, withInset:settingsNagBottomMargin)
|
|
settingsNagView.autoPinWidthToSuperview(withMargin:settingsNagHMargin)
|
|
settingsNagView.autoPinEdge(.top, to:.bottom, of:callStatusLabel)
|
|
}
|
|
|
|
updateRemoteVideoLayout()
|
|
updateLocalVideoLayout()
|
|
|
|
super.updateViewConstraints()
|
|
}
|
|
|
|
internal func updateRemoteVideoLayout() {
|
|
NSLayoutConstraint.deactivate(self.remoteVideoConstraints)
|
|
|
|
var constraints: [NSLayoutConstraint] = []
|
|
|
|
// We fill the screen with the remote video. The remote video's
|
|
// aspect ratio may not (and in fact will very rarely) match the
|
|
// aspect ratio of the current device, so parts of the remote
|
|
// video will be hidden offscreen.
|
|
//
|
|
// It's better to trim the remote video than to adopt a letterboxed
|
|
// layout.
|
|
if remoteVideoSize.width > 0 && remoteVideoSize.height > 0 &&
|
|
self.view.bounds.size.width > 0 && self.view.bounds.size.height > 0 {
|
|
|
|
var remoteVideoWidth = self.view.bounds.size.width
|
|
var remoteVideoHeight = self.view.bounds.size.height
|
|
if remoteVideoSize.width / self.view.bounds.size.width > remoteVideoSize.height / self.view.bounds.size.height {
|
|
remoteVideoWidth = round(self.view.bounds.size.height * remoteVideoSize.width / remoteVideoSize.height)
|
|
} else {
|
|
remoteVideoHeight = round(self.view.bounds.size.width * remoteVideoSize.height / remoteVideoSize.width)
|
|
}
|
|
constraints.append(remoteVideoView.autoSetDimension(.width, toSize:remoteVideoWidth))
|
|
constraints.append(remoteVideoView.autoSetDimension(.height, toSize:remoteVideoHeight))
|
|
constraints += remoteVideoView.autoCenterInSuperview()
|
|
|
|
remoteVideoView.frame = CGRect(origin:CGPoint.zero,
|
|
size:CGSize(width:remoteVideoWidth,
|
|
height:remoteVideoHeight))
|
|
|
|
remoteVideoView.isHidden = false
|
|
} else {
|
|
constraints += remoteVideoView.autoPinEdgesToSuperviewEdges()
|
|
remoteVideoView.isHidden = true
|
|
}
|
|
|
|
self.remoteVideoConstraints = constraints
|
|
|
|
// We need to force relayout to occur immediately (and not
|
|
// wait for a UIKit layout/render pass) or the remoteVideoView
|
|
// (which presumably is updating its CALayer directly) will
|
|
// ocassionally appear to have bad frames.
|
|
remoteVideoView.setNeedsLayout()
|
|
remoteVideoView.superview?.setNeedsLayout()
|
|
remoteVideoView.layoutIfNeeded()
|
|
remoteVideoView.superview?.layoutIfNeeded()
|
|
|
|
updateCallUI(callState: call.state)
|
|
}
|
|
|
|
internal func updateLocalVideoLayout() {
|
|
|
|
NSLayoutConstraint.deactivate(self.localVideoConstraints)
|
|
|
|
var constraints: [NSLayoutConstraint] = []
|
|
|
|
if localVideoView.isHidden {
|
|
let contactHMargin = CGFloat(5)
|
|
constraints.append(contactNameLabel.autoPinTrailingToSuperView(withMargin: contactHMargin))
|
|
constraints.append(callStatusLabel.autoPinTrailingToSuperView(withMargin: contactHMargin))
|
|
} else {
|
|
let spacing = CGFloat(10)
|
|
constraints.append(localVideoView.autoPinLeading(toTrailingOf: contactNameLabel, margin: spacing))
|
|
constraints.append(localVideoView.autoPinLeading(toTrailingOf: callStatusLabel, margin: spacing))
|
|
}
|
|
|
|
self.localVideoConstraints = constraints
|
|
updateCallUI(callState: call.state)
|
|
}
|
|
|
|
// MARK: - Methods
|
|
|
|
func showCallFailed(error: Error) {
|
|
// TODO Show something in UI.
|
|
Logger.error("\(TAG) call failed with error: \(error)")
|
|
}
|
|
|
|
// MARK: - View State
|
|
|
|
func localizedTextForCallState(_ callState: CallState) -> String {
|
|
assert(Thread.isMainThread)
|
|
|
|
switch callState {
|
|
case .idle, .remoteHangup, .localHangup:
|
|
return NSLocalizedString("IN_CALL_TERMINATED", comment: "Call setup status label")
|
|
case .dialing:
|
|
return NSLocalizedString("IN_CALL_CONNECTING", comment: "Call setup status label")
|
|
case .remoteRinging, .localRinging:
|
|
return NSLocalizedString("IN_CALL_RINGING", comment: "Call setup status label")
|
|
case .answering:
|
|
return NSLocalizedString("IN_CALL_SECURING", comment: "Call setup status label")
|
|
case .connected:
|
|
let callDuration = call.connectionDuration()
|
|
let callDurationDate = Date(timeIntervalSinceReferenceDate:callDuration)
|
|
if dateFormatter == nil {
|
|
dateFormatter = DateFormatter()
|
|
dateFormatter!.dateFormat = "HH:mm:ss"
|
|
dateFormatter!.timeZone = TimeZone(identifier:"UTC")!
|
|
}
|
|
var formattedDate = dateFormatter!.string(from: callDurationDate)
|
|
if formattedDate.hasPrefix("00:") {
|
|
// Don't show the "hours" portion of the date format unless the
|
|
// call duration is at least 1 hour.
|
|
formattedDate = formattedDate.substring(from: formattedDate.index(formattedDate.startIndex, offsetBy: 3))
|
|
} else {
|
|
// If showing the "hours" portion of the date format, strip any leading
|
|
// zeroes.
|
|
if formattedDate.hasPrefix("0") {
|
|
formattedDate = formattedDate.substring(from: formattedDate.index(formattedDate.startIndex, offsetBy: 1))
|
|
}
|
|
}
|
|
return formattedDate
|
|
case .remoteBusy:
|
|
return NSLocalizedString("END_CALL_RESPONDER_IS_BUSY", comment: "Call setup status label")
|
|
case .localFailure:
|
|
if let error = call.error {
|
|
switch error {
|
|
case .timeout(description: _):
|
|
if self.call.direction == .outgoing {
|
|
return NSLocalizedString("CALL_SCREEN_STATUS_NO_ANSWER", comment: "Call setup status label after outgoing call times out")
|
|
}
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
return NSLocalizedString("END_CALL_UNCATEGORIZED_FAILURE", comment: "Call setup status label")
|
|
}
|
|
}
|
|
|
|
func updateCallStatusLabel(callState: CallState) {
|
|
assert(Thread.isMainThread)
|
|
|
|
let text = String(format: CallStrings.callStatusFormat,
|
|
localizedTextForCallState(callState))
|
|
self.callStatusLabel.text = text
|
|
}
|
|
|
|
func updateCallUI(callState: CallState) {
|
|
assert(Thread.isMainThread)
|
|
updateCallStatusLabel(callState: callState)
|
|
|
|
if isShowingSettingsNag {
|
|
settingsNagView.isHidden = false
|
|
contactAvatarView.isHidden = true
|
|
ongoingCallView.isHidden = true
|
|
return
|
|
}
|
|
|
|
// Marquee scrolling is distractingn during a video call, disable it.
|
|
contactNameLabel.labelize = call.hasLocalVideo
|
|
|
|
audioModeMuteButton.isSelected = call.isMuted
|
|
videoModeMuteButton.isSelected = call.isMuted
|
|
audioModeVideoButton.isSelected = call.hasLocalVideo
|
|
videoModeVideoButton.isSelected = call.hasLocalVideo
|
|
|
|
// Show Incoming vs. Ongoing call controls
|
|
let isRinging = callState == .localRinging
|
|
incomingCallView.isHidden = !isRinging
|
|
incomingCallView.isUserInteractionEnabled = isRinging
|
|
ongoingCallView.isHidden = isRinging
|
|
ongoingCallView.isUserInteractionEnabled = !isRinging
|
|
|
|
// Rework control state if remote video is available.
|
|
let hasRemoteVideo = !remoteVideoView.isHidden
|
|
contactAvatarView.isHidden = hasRemoteVideo
|
|
|
|
// Rework control state if local video is available.
|
|
let hasLocalVideo = !localVideoView.isHidden
|
|
|
|
for subview in [audioModeMuteButton, audioModeVideoButton] {
|
|
subview?.isHidden = hasLocalVideo
|
|
}
|
|
for subview in [videoModeMuteButton, videoModeVideoButton] {
|
|
subview?.isHidden = !hasLocalVideo
|
|
}
|
|
|
|
// Also hide other controls if user has tapped to hide them.
|
|
if shouldRemoteVideoControlsBeHidden && !remoteVideoView.isHidden {
|
|
contactNameLabel.isHidden = true
|
|
callStatusLabel.isHidden = true
|
|
ongoingCallView.isHidden = true
|
|
} else {
|
|
contactNameLabel.isHidden = false
|
|
callStatusLabel.isHidden = false
|
|
}
|
|
|
|
// Audio Source Handling (bluetooth)
|
|
if self.hasAlternateAudioSources {
|
|
// With bluetooth, button does not stay selected. Pressing it pops an actionsheet
|
|
// and the button should immediately "unselect".
|
|
audioSourceButton.isSelected = false
|
|
|
|
if hasLocalVideo {
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "ic_speaker_bluetooth_inactive_video_mode"), for: .normal)
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "ic_speaker_bluetooth_inactive_video_mode"), for: .selected)
|
|
} else {
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "ic_speaker_bluetooth_inactive_audio_mode"), for: .normal)
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "ic_speaker_bluetooth_inactive_audio_mode"), for: .selected)
|
|
}
|
|
audioSourceButton.isHidden = false
|
|
} else {
|
|
// No bluetooth audio detected
|
|
|
|
audioSourceButton.isSelected = call.isSpeakerphoneEnabled
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "audio-call-speaker-inactive"), for: .normal)
|
|
audioSourceButton.setImage(#imageLiteral(resourceName: "audio-call-speaker-active"), for: .selected)
|
|
|
|
// If there's no bluetooth, we always use speakerphone, so no need for
|
|
// a button, giving more screen back for the video.
|
|
audioSourceButton.isHidden = hasLocalVideo
|
|
}
|
|
|
|
// Dismiss Handling
|
|
switch callState {
|
|
case .remoteHangup, .remoteBusy, .localFailure:
|
|
Logger.debug("\(TAG) dismissing after delay because new state is \(callState)")
|
|
dismissIfPossible(shouldDelay:true)
|
|
case .localHangup:
|
|
Logger.debug("\(TAG) dismissing immediately from local hangup")
|
|
dismissIfPossible(shouldDelay:false)
|
|
default: break
|
|
}
|
|
|
|
if callState == .connected {
|
|
if callDurationTimer == nil {
|
|
let kDurationUpdateFrequencySeconds = 1 / 20.0
|
|
callDurationTimer = WeakTimer.scheduledTimer(timeInterval: TimeInterval(kDurationUpdateFrequencySeconds),
|
|
target:self,
|
|
userInfo:nil,
|
|
repeats:true) {[weak self] _ in
|
|
self?.updateCallDuration()
|
|
}
|
|
}
|
|
} else {
|
|
callDurationTimer?.invalidate()
|
|
callDurationTimer = nil
|
|
}
|
|
}
|
|
|
|
func updateCallDuration() {
|
|
updateCallStatusLabel(callState: call.state)
|
|
}
|
|
|
|
// MARK: - Actions
|
|
|
|
/**
|
|
* Ends a connected call. Do not confuse with `didPressDeclineCall`.
|
|
*/
|
|
func didPressHangup(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
callUIAdapter.localHangupCall(call)
|
|
|
|
dismissIfPossible(shouldDelay:false)
|
|
}
|
|
|
|
func didPressMute(sender muteButton: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
muteButton.isSelected = !muteButton.isSelected
|
|
|
|
callUIAdapter.setIsMuted(call: call, isMuted: muteButton.isSelected)
|
|
}
|
|
|
|
func didPressAudioSource(sender button: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
if self.hasAlternateAudioSources {
|
|
presentAudioSourcePicker()
|
|
} else {
|
|
didPressSpeakerphone(sender: button)
|
|
}
|
|
}
|
|
|
|
func didPressSpeakerphone(sender button: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
button.isSelected = !button.isSelected
|
|
if button.isSelected {
|
|
callUIAdapter.setAudioSource(call: call, audioSource: AudioSource.builtInSpeaker)
|
|
} else {
|
|
// use default audio source
|
|
callUIAdapter.setAudioSource(call: call, audioSource: nil)
|
|
}
|
|
}
|
|
|
|
func didPressTextMessage(sender button: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
dismissIfPossible(shouldDelay:false)
|
|
}
|
|
|
|
func didPressAnswerCall(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
callUIAdapter.answerCall(call)
|
|
}
|
|
|
|
func didPressVideo(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
let hasLocalVideo = !sender.isSelected
|
|
|
|
callUIAdapter.setHasLocalVideo(call: call, hasLocalVideo: hasLocalVideo)
|
|
}
|
|
|
|
/**
|
|
* Denies an incoming not-yet-connected call, Do not confuse with `didPressHangup`.
|
|
*/
|
|
func didPressDeclineCall(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
callUIAdapter.declineCall(call)
|
|
|
|
dismissIfPossible(shouldDelay:false)
|
|
}
|
|
|
|
func didPressShowCallSettings(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
markSettingsNagAsComplete()
|
|
|
|
dismissIfPossible(shouldDelay: false, ignoreNag: true, completion: {
|
|
// Find the frontmost presented UIViewController from which to present the
|
|
// settings views.
|
|
let fromViewController = UIApplication.shared.frontmostViewController
|
|
assert(fromViewController != nil)
|
|
|
|
// Construct the "settings" view & push the "privacy settings" view.
|
|
let navigationController = AppSettingsViewController.inModalNavigationController()
|
|
navigationController.pushViewController(PrivacySettingsTableViewController(), animated:false)
|
|
|
|
fromViewController?.present(navigationController, animated: true, completion: nil)
|
|
})
|
|
}
|
|
|
|
func didPressDismissNag(sender: UIButton) {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
markSettingsNagAsComplete()
|
|
|
|
dismissIfPossible(shouldDelay: false, ignoreNag: true)
|
|
}
|
|
|
|
// We only show the "blocking" settings nag until the user has chosen
|
|
// to view the privacy settings _or_ dismissed the nag at least once.
|
|
//
|
|
// In either case, we set the "CallKit enabled" and "CallKit privacy enabled"
|
|
// settings to their default values to indicate that the user has reviewed
|
|
// them.
|
|
private func markSettingsNagAsComplete() {
|
|
Logger.info("\(TAG) called \(#function)")
|
|
|
|
let preferences = Environment.getCurrent().preferences!
|
|
|
|
preferences.setIsCallKitEnabled(preferences.isCallKitEnabled())
|
|
preferences.setIsCallKitPrivacyEnabled(preferences.isCallKitPrivacyEnabled())
|
|
}
|
|
|
|
// MARK: - CallObserver
|
|
|
|
internal func stateDidChange(call: SignalCall, state: CallState) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) new call status: \(state)")
|
|
self.updateCallUI(callState: state)
|
|
}
|
|
|
|
internal func hasLocalVideoDidChange(call: SignalCall, hasLocalVideo: Bool) {
|
|
AssertIsOnMainThread()
|
|
self.updateCallUI(callState: call.state)
|
|
}
|
|
|
|
internal func muteDidChange(call: SignalCall, isMuted: Bool) {
|
|
AssertIsOnMainThread()
|
|
self.updateCallUI(callState: call.state)
|
|
}
|
|
|
|
internal func audioSourceDidChange(call: SignalCall, audioSource: AudioSource?) {
|
|
AssertIsOnMainThread()
|
|
self.updateCallUI(callState: call.state)
|
|
}
|
|
|
|
// MARK: - Video
|
|
|
|
internal func updateLocalVideoTrack(localVideoTrack: RTCVideoTrack?) {
|
|
AssertIsOnMainThread()
|
|
guard self.localVideoTrack != localVideoTrack else {
|
|
return
|
|
}
|
|
|
|
self.localVideoTrack = localVideoTrack
|
|
|
|
let source = localVideoTrack?.source as? RTCAVFoundationVideoSource
|
|
|
|
localVideoView.captureSession = source?.captureSession
|
|
let isHidden = source == nil
|
|
Logger.info("\(TAG) \(#function) isHidden: \(isHidden)")
|
|
localVideoView.isHidden = isHidden
|
|
|
|
updateLocalVideoLayout()
|
|
}
|
|
|
|
internal func updateRemoteVideoTrack(remoteVideoTrack: RTCVideoTrack?) {
|
|
AssertIsOnMainThread()
|
|
guard self.remoteVideoTrack != remoteVideoTrack else {
|
|
return
|
|
}
|
|
|
|
self.remoteVideoTrack?.remove(remoteVideoView)
|
|
self.remoteVideoTrack = nil
|
|
remoteVideoView.renderFrame(nil)
|
|
self.remoteVideoTrack = remoteVideoTrack
|
|
self.remoteVideoTrack?.add(remoteVideoView)
|
|
shouldRemoteVideoControlsBeHidden = false
|
|
|
|
if remoteVideoTrack == nil {
|
|
remoteVideoSize = CGSize.zero
|
|
}
|
|
|
|
updateRemoteVideoLayout()
|
|
}
|
|
|
|
internal func dismissIfPossible(shouldDelay: Bool, ignoreNag: Bool = false, completion: (() -> Swift.Void)? = nil) {
|
|
if hasDismissed {
|
|
// Don't dismiss twice.
|
|
return
|
|
} else if !ignoreNag &&
|
|
call.direction == .incoming &&
|
|
UIDevice.current.supportsCallKit &&
|
|
(!Environment.getCurrent().preferences.isCallKitEnabled() ||
|
|
Environment.getCurrent().preferences.isCallKitPrivacyEnabled()) {
|
|
|
|
isShowingSettingsNag = true
|
|
|
|
// Update the nag view's copy to reflect the settings state.
|
|
if Environment.getCurrent().preferences.isCallKitEnabled() {
|
|
settingsNagDescriptionLabel.text = NSLocalizedString("CALL_VIEW_SETTINGS_NAG_DESCRIPTION_PRIVACY",
|
|
comment: "Reminder to the user of the benefits of disabling CallKit privacy.")
|
|
} else {
|
|
settingsNagDescriptionLabel.text = NSLocalizedString("CALL_VIEW_SETTINGS_NAG_DESCRIPTION_ALL",
|
|
comment: "Reminder to the user of the benefits of enabling CallKit and disabling CallKit privacy.")
|
|
}
|
|
settingsNagDescriptionLabel.superview?.setNeedsLayout()
|
|
|
|
if Environment.getCurrent().preferences.isCallKitEnabledSet() ||
|
|
Environment.getCurrent().preferences.isCallKitPrivacySet() {
|
|
// User has already touched these preferences, only show
|
|
// the "fleeting" nag, not the "blocking" nag.
|
|
|
|
// Show nag for N seconds.
|
|
DispatchQueue.main.asyncAfter(deadline: .now() + 5) { [weak self] in
|
|
guard let strongSelf = self else { return }
|
|
strongSelf.dismissIfPossible(shouldDelay: false, ignoreNag: true)
|
|
}
|
|
}
|
|
} else if shouldDelay {
|
|
hasDismissed = true
|
|
DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) { [weak self] in
|
|
guard let strongSelf = self else { return }
|
|
strongSelf.dismiss(animated: true, completion:completion)
|
|
}
|
|
} else {
|
|
hasDismissed = true
|
|
self.dismiss(animated: false, completion:completion)
|
|
}
|
|
}
|
|
|
|
// MARK: - CallServiceObserver
|
|
|
|
internal func didUpdateCall(call: SignalCall?) {
|
|
// Do nothing.
|
|
}
|
|
|
|
internal func didUpdateVideoTracks(call: SignalCall?,
|
|
localVideoTrack: RTCVideoTrack?,
|
|
remoteVideoTrack: RTCVideoTrack?) {
|
|
AssertIsOnMainThread()
|
|
|
|
updateLocalVideoTrack(localVideoTrack:localVideoTrack)
|
|
updateRemoteVideoTrack(remoteVideoTrack:remoteVideoTrack)
|
|
}
|
|
|
|
// MARK: - RTCEAGLVideoViewDelegate
|
|
|
|
internal func videoView(_ videoView: RTCEAGLVideoView, didChangeVideoSize size: CGSize) {
|
|
AssertIsOnMainThread()
|
|
|
|
if videoView != remoteVideoView {
|
|
return
|
|
}
|
|
|
|
Logger.info("\(TAG) \(#function): \(size)")
|
|
|
|
remoteVideoSize = size
|
|
updateRemoteVideoLayout()
|
|
}
|
|
}
|