98 lines
3.4 KiB
Swift
98 lines
3.4 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import SignalServiceKit
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import SignalMessaging
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/**
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* Creates an outbound call via WebRTC.
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*/
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@objc public class OutboundCallInitiator: NSObject {
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@objc public override init()
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{
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super.init()
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SwiftSingletons.register(self)
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}
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// MARK: - Dependencies
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private
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var contactsManager : OWSContactsManager
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{
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return Environment.shared.contactsManager
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}
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private
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var contactsUpdater : ContactsUpdater
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{
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return SSKEnvironment.shared.contactsUpdater
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}
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// MARK: -
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/**
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* |handle| is a user formatted phone number, e.g. from a system contacts entry
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*/
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@discardableResult @objc public func initiateCall(handle: String) -> Bool {
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Logger.info("with handle: \(handle)")
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guard let recipientId = PhoneNumber(fromE164: handle)?.toE164() else {
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Logger.warn("unable to parse signalId from phone number: \(handle)")
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return false
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}
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return initiateCall(recipientId: recipientId, isVideo: false)
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}
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/**
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* |recipientId| is a e164 formatted phone number.
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*/
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@discardableResult @objc public func initiateCall(recipientId: String,
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isVideo: Bool) -> Bool {
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// Rather than an init-assigned dependency property, we access `callUIAdapter` via Environment
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// because it can change after app launch due to user settings
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let callUIAdapter = SignalApp.shared().callUIAdapter
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guard let frontmostViewController = UIApplication.shared.frontmostViewController else {
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owsFailDebug("could not identify frontmostViewController")
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return false
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}
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let showedAlert = SafetyNumberConfirmationAlert.presentAlertIfNecessary(recipientId: recipientId,
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confirmationText: CallStrings.confirmAndCallButtonTitle,
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contactsManager: self.contactsManager,
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completion: { didConfirmIdentity in
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if didConfirmIdentity {
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_ = self.initiateCall(recipientId: recipientId, isVideo: isVideo)
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}
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})
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guard !showedAlert else {
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return false
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}
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// Check for microphone permissions
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// Alternative way without prompting for permissions:
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// if AVAudioSession.sharedInstance().recordPermission() == .denied {
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frontmostViewController.ows_ask(forMicrophonePermissions: { [weak self] granted in
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// Success callback; camera permissions are granted.
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guard let strongSelf = self else {
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return
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}
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// Here the permissions are either granted or denied
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guard granted == true else {
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Logger.warn("aborting due to missing microphone permissions.")
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OWSAlerts.showNoMicrophonePermissionAlert()
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return
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}
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callUIAdapter.startAndShowOutgoingCall(recipientId: recipientId, hasLocalVideo: isVideo)
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})
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return true
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}
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}
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