mirror of https://github.com/oxen-io/session-ios
Matthew Chen
8 years ago
parent
60ad74b477
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814c6d2505
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//
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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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@objc(OWSCallInterstitialViewController)
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class CallInterstitialViewController: UIViewController {
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let TAG = "[CallInterstitialViewController]"
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var wasCallCancelled = false
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let callToken: String!
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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 contentView: UIView!
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// MARK: Initializers
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@available(*, unavailable, message:"init is unavailable, use initWithCallToken")
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required init?(coder aDecoder: NSCoder) {
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assert(false)
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self.callToken = ""
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super.init(coder: aDecoder)
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}
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required init(callToken: String) {
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self.callToken = callToken
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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(willResignActive),
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name:NSNotification.Name.UIApplicationWillResignActive,
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object:nil)
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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 willResignActive() {
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cancelCall()
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}
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// MARK: View Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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createViews()
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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blurView.layer.opacity = 0
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contentView.layer.opacity = 0
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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UIView.animate(withDuration: 0.3,
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delay: 1.0,
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options: UIViewAnimationOptions.curveLinear,
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animations: {
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self.blurView.layer.opacity = 1
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self.contentView.layer.opacity = 1
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},
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completion: nil)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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blurView.layer.removeAllAnimations()
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contentView.layer.removeAllAnimations()
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}
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// MARK: - Create Views
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func createViews() {
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assert(self.view != nil)
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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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contentView = UIView()
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self.view.addSubview(contentView)
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let dialingLabel = UILabel()
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dialingLabel.text = NSLocalizedString("CALL_INTERSTITIAL_CALLING_LABEL", comment: "Title for call interstitial view")
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dialingLabel.textColor = UIColor.white
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dialingLabel.font = UIFont.ows_lightFont(withSize:ScaleFromIPhone5To7Plus(32, 40))
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dialingLabel.textAlignment = .center
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contentView.addSubview(dialingLabel)
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let cancelCallButton = UIButton()
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cancelCallButton.setTitle(NSLocalizedString("TXT_CANCEL_TITLE", comment: "nil"),
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for:.normal)
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cancelCallButton.setTitleColor(UIColor.white, for:.normal)
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cancelCallButton.titleLabel?.font = UIFont.ows_lightFont(withSize:ScaleFromIPhone5To7Plus(26, 32))
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let buttonInset = ScaleFromIPhone5To7Plus(7, 9)
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cancelCallButton.titleEdgeInsets = 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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cancelCallButton.addTarget(self, action:#selector(cancelCallButtonPressed), for:.touchUpInside)
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contentView.addSubview(cancelCallButton)
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dialingLabel.autoPinWidthToSuperview()
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dialingLabel.autoVCenterInSuperview()
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cancelCallButton.autoSetDimension(.height, toSize:ScaleFromIPhone5To7Plus(50, 60))
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cancelCallButton.autoPinWidthToSuperview()
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cancelCallButton.autoPinEdge(toSuperviewEdge:.bottom, withInset:ScaleFromIPhone5To7Plus(23, 41))
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}
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// MARK: - Layout
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override func updateViewConstraints() {
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if !hasConstraints {
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// We only want to create our constraints once.
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//
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// Note that constraints are also created elsewhere.
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// This only creates the constraints for the top-level contents of the view.
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hasConstraints = true
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// Force creation of the view.
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let view = self.view
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assert(view != nil)
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// Dark blurred background.
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blurView.autoPinEdgesToSuperviewEdges()
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contentView.autoPinEdgesToSuperviewEdges()
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}
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super.updateViewConstraints()
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}
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// MARK: - Methods
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func cancelCall() {
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guard !wasCallCancelled else {
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return
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}
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wasCallCancelled = true
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assert(callToken != nil)
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let notificationName = CallService.callWasCancelledByInterstitialNotificationName()
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NotificationCenter.default.post(name: NSNotification.Name(rawValue: notificationName), object: callToken)
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self.dismiss(animated: false)
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}
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// MARK: - Events
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func cancelCallButtonPressed(sender button: UIButton) {
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cancelCall()
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}
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}
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