86 lines
3.3 KiB
Swift
86 lines
3.3 KiB
Swift
//
|
|
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import SignalServiceKit
|
|
|
|
/**
|
|
* Creates an outbound call via WebRTC.
|
|
*/
|
|
@objc class OutboundCallInitiator: NSObject {
|
|
let TAG = "[OutboundCallInitiator]"
|
|
|
|
let contactsManager: OWSContactsManager
|
|
let contactsUpdater: ContactsUpdater
|
|
|
|
init(contactsManager: OWSContactsManager, contactsUpdater: ContactsUpdater) {
|
|
self.contactsManager = contactsManager
|
|
self.contactsUpdater = contactsUpdater
|
|
|
|
super.init()
|
|
}
|
|
|
|
/**
|
|
* |handle| is a user formatted phone number, e.g. from a system contacts entry
|
|
*/
|
|
public func initiateCall(handle: String) -> Bool {
|
|
Logger.info("\(TAG) in \(#function) with handle: \(handle)")
|
|
|
|
guard let recipientId = PhoneNumber(fromE164: handle)?.toE164() else {
|
|
Logger.warn("\(TAG) unable to parse signalId from phone number: \(handle)")
|
|
return false
|
|
}
|
|
|
|
return initiateCall(recipientId: recipientId)
|
|
}
|
|
|
|
/**
|
|
* |recipientId| is a e164 formatted phone number.
|
|
*/
|
|
public func initiateCall(recipientId: String) -> Bool {
|
|
// Rather than an init-assigned dependency property, we access `callUIAdapter` via Environment
|
|
// because it can change after app launch due to user settings
|
|
guard let callUIAdapter = Environment.getCurrent().callUIAdapter else {
|
|
owsFail("\(TAG) can't initiate call because callUIAdapter is nil")
|
|
return false
|
|
}
|
|
guard let frontmostViewController = UIApplication.shared.frontmostViewController else {
|
|
owsFail("\(TAG) could not identify frontmostViewController in \(#function)")
|
|
return false
|
|
}
|
|
|
|
let showedAlert = SafetyNumberConfirmationAlert.presentAlertIfNecessary(recipientId: recipientId,
|
|
confirmationText: CallStrings.confirmAndCallButtonTitle,
|
|
contactsManager: self.contactsManager) { didConfirmIdentity in
|
|
if didConfirmIdentity {
|
|
_ = self.initiateCall(recipientId: recipientId)
|
|
}
|
|
}
|
|
guard !showedAlert else {
|
|
return false
|
|
}
|
|
|
|
// Check for microphone permissions
|
|
// Alternative way without prompting for permissions:
|
|
// if AVAudioSession.sharedInstance().recordPermission() == .denied {
|
|
frontmostViewController.ows_ask(forMicrophonePermissions: { [weak self] granted in
|
|
// Success callback; camera permissions are granted.
|
|
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
// Here the permissions are either granted or denied
|
|
guard granted == true else {
|
|
Logger.warn("\(strongSelf.TAG) aborting due to missing microphone permissions.")
|
|
OWSAlerts.showNoMicrophonePermissionAlert()
|
|
return
|
|
}
|
|
callUIAdapter.startAndShowOutgoingCall(recipientId: recipientId)
|
|
})
|
|
|
|
return true
|
|
}
|
|
}
|