mirror of https://github.com/oxen-io/session-ios
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
373 lines
13 KiB
Swift
373 lines
13 KiB
Swift
//
|
|
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import UIKit
|
|
import CallKit
|
|
import AVFoundation
|
|
import SignalServiceKit
|
|
import SignalMessaging
|
|
|
|
/**
|
|
* Connects user interface to the CallService using CallKit.
|
|
*
|
|
* User interface is routed to the CallManager which requests CXCallActions, and if the CXProvider accepts them,
|
|
* their corresponding consequences are implmented in the CXProviderDelegate methods, e.g. using the CallService
|
|
*/
|
|
@available(iOS 10.0, *)
|
|
final class CallKitCallUIAdaptee: NSObject, CallUIAdaptee, CXProviderDelegate {
|
|
|
|
let TAG = "[CallKitCallUIAdaptee]"
|
|
|
|
private let callManager: CallKitCallManager
|
|
internal let callService: CallService
|
|
internal let notificationsAdapter: CallNotificationsAdapter
|
|
internal let contactsManager: OWSContactsManager
|
|
private let provider: CXProvider
|
|
|
|
// CallKit handles incoming ringer stop/start for us. Yay!
|
|
let hasManualRinger = false
|
|
|
|
// The app's provider configuration, representing its CallKit capabilities
|
|
static var providerConfiguration: CXProviderConfiguration {
|
|
let localizedName = NSLocalizedString("APPLICATION_NAME", comment: "Name of application")
|
|
let providerConfiguration = CXProviderConfiguration(localizedName: localizedName)
|
|
|
|
providerConfiguration.supportsVideo = true
|
|
|
|
providerConfiguration.maximumCallGroups = 1
|
|
|
|
providerConfiguration.maximumCallsPerCallGroup = 1
|
|
|
|
providerConfiguration.supportedHandleTypes = [.phoneNumber, .generic]
|
|
|
|
let iconMaskImage = #imageLiteral(resourceName: "logoSignal")
|
|
providerConfiguration.iconTemplateImageData = UIImagePNGRepresentation(iconMaskImage)
|
|
|
|
providerConfiguration.ringtoneSound = "r.caf"
|
|
|
|
return providerConfiguration
|
|
}
|
|
|
|
init(callService: CallService, contactsManager: OWSContactsManager, notificationsAdapter: CallNotificationsAdapter) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.debug("\(self.TAG) \(#function)")
|
|
|
|
self.callManager = CallKitCallManager()
|
|
self.callService = callService
|
|
self.contactsManager = contactsManager
|
|
self.notificationsAdapter = notificationsAdapter
|
|
self.provider = CXProvider(configuration: type(of: self).providerConfiguration)
|
|
|
|
super.init()
|
|
|
|
SwiftSingletons.register(self)
|
|
|
|
self.provider.setDelegate(self, queue: nil)
|
|
}
|
|
|
|
// MARK: CallUIAdaptee
|
|
|
|
func startOutgoingCall(handle: String) -> SignalCall {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
let call = SignalCall.outgoingCall(localId: UUID(), remotePhoneNumber: handle)
|
|
|
|
// Add the new outgoing call to the app's list of calls.
|
|
// So we can find it in the provider delegate callbacks.
|
|
callManager.addCall(call)
|
|
callManager.startCall(call)
|
|
|
|
return call
|
|
}
|
|
|
|
// Called from CallService after call has ended to clean up any remaining CallKit call state.
|
|
func failCall(_ call: SignalCall, error: CallError) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
switch error {
|
|
case .timeout(description: _):
|
|
provider.reportCall(with: call.localId, endedAt: Date(), reason: CXCallEndedReason.unanswered)
|
|
default:
|
|
provider.reportCall(with: call.localId, endedAt: Date(), reason: CXCallEndedReason.failed)
|
|
}
|
|
|
|
self.callManager.removeCall(call)
|
|
}
|
|
|
|
func reportIncomingCall(_ call: SignalCall, callerName: String) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
// Construct a CXCallUpdate describing the incoming call, including the caller.
|
|
let update = CXCallUpdate()
|
|
if Environment.current().preferences.isCallKitPrivacyEnabled() {
|
|
let callKitId = CallKitCallManager.kAnonymousCallHandlePrefix + call.localId.uuidString
|
|
update.remoteHandle = CXHandle(type: .generic, value: callKitId)
|
|
TSStorageManager.shared().setPhoneNumber(call.remotePhoneNumber, forCallKitId:callKitId)
|
|
update.localizedCallerName = NSLocalizedString("CALLKIT_ANONYMOUS_CONTACT_NAME", comment: "The generic name used for calls if CallKit privacy is enabled")
|
|
} else {
|
|
update.localizedCallerName = self.contactsManager.stringForConversationTitle(withPhoneIdentifier: call.remotePhoneNumber)
|
|
update.remoteHandle = CXHandle(type: .phoneNumber, value: call.remotePhoneNumber)
|
|
}
|
|
|
|
update.hasVideo = call.hasLocalVideo
|
|
|
|
disableUnsupportedFeatures(callUpdate: update)
|
|
|
|
// Report the incoming call to the system
|
|
provider.reportNewIncomingCall(with: call.localId, update: update) { error in
|
|
/*
|
|
Only add incoming call to the app's list of calls if the call was allowed (i.e. there was no error)
|
|
since calls may be "denied" for various legitimate reasons. See CXErrorCodeIncomingCallError.
|
|
*/
|
|
guard error == nil else {
|
|
Logger.error("\(self.TAG) failed to report new incoming call")
|
|
return
|
|
}
|
|
|
|
self.callManager.addCall(call)
|
|
}
|
|
}
|
|
|
|
func answerCall(localId: UUID) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
owsFail("\(self.TAG) \(#function) CallKit should answer calls via system call screen, not via notifications.")
|
|
}
|
|
|
|
func answerCall(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
callManager.answer(call: call)
|
|
}
|
|
|
|
func declineCall(localId: UUID) {
|
|
AssertIsOnMainThread()
|
|
|
|
owsFail("\(self.TAG) \(#function) CallKit should decline calls via system call screen, not via notifications.")
|
|
}
|
|
|
|
func declineCall(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
callManager.localHangup(call: call)
|
|
}
|
|
|
|
func recipientAcceptedCall(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
self.provider.reportOutgoingCall(with: call.localId, connectedAt: nil)
|
|
|
|
let update = CXCallUpdate()
|
|
disableUnsupportedFeatures(callUpdate: update)
|
|
|
|
provider.reportCall(with: call.localId, updated: update)
|
|
}
|
|
|
|
func localHangupCall(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
callManager.localHangup(call: call)
|
|
}
|
|
|
|
func remoteDidHangupCall(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
provider.reportCall(with: call.localId, endedAt: nil, reason: CXCallEndedReason.remoteEnded)
|
|
}
|
|
|
|
func remoteBusy(_ call: SignalCall) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
provider.reportCall(with: call.localId, endedAt: nil, reason: CXCallEndedReason.unanswered)
|
|
}
|
|
|
|
func setIsMuted(call: SignalCall, isMuted: Bool) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
callManager.setIsMuted(call: call, isMuted: isMuted)
|
|
}
|
|
|
|
func setHasLocalVideo(call: SignalCall, hasLocalVideo: Bool) {
|
|
AssertIsOnMainThread()
|
|
Logger.debug("\(self.TAG) \(#function)")
|
|
|
|
let update = CXCallUpdate()
|
|
update.hasVideo = hasLocalVideo
|
|
|
|
// Update the CallKit UI.
|
|
provider.reportCall(with: call.localId, updated: update)
|
|
|
|
self.callService.setHasLocalVideo(hasLocalVideo: hasLocalVideo)
|
|
}
|
|
|
|
// MARK: CXProviderDelegate
|
|
|
|
func providerDidReset(_ provider: CXProvider) {
|
|
AssertIsOnMainThread()
|
|
Logger.info("\(self.TAG) \(#function)")
|
|
|
|
// End any ongoing calls if the provider resets, and remove them from the app's list of calls,
|
|
// since they are no longer valid.
|
|
callService.handleFailedCurrentCall(error: .providerReset)
|
|
|
|
// Remove all calls from the app's list of calls.
|
|
callManager.removeAllCalls()
|
|
}
|
|
|
|
func provider(_ provider: CXProvider, perform action: CXStartCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.info("\(TAG) in \(#function) CXStartCallAction")
|
|
|
|
guard let call = callManager.callWithLocalId(action.callUUID) else {
|
|
Logger.error("\(TAG) unable to find call in \(#function)")
|
|
return
|
|
}
|
|
|
|
// We can't wait for long before fulfilling the CXAction, else CallKit will show a "Failed Call". We don't
|
|
// actually need to wait for the outcome of the handleOutgoingCall promise, because it handles any errors by
|
|
// manually failing the call.
|
|
let callPromise = self.callService.handleOutgoingCall(call)
|
|
callPromise.retainUntilComplete()
|
|
|
|
action.fulfill()
|
|
self.provider.reportOutgoingCall(with: call.localId, startedConnectingAt: nil)
|
|
|
|
if Environment.current().preferences.isCallKitPrivacyEnabled() {
|
|
// Update the name used in the CallKit UI for outgoing calls.
|
|
let update = CXCallUpdate()
|
|
update.localizedCallerName = NSLocalizedString("CALLKIT_ANONYMOUS_CONTACT_NAME",
|
|
comment: "The generic name used for calls if CallKit privacy is enabled")
|
|
provider.reportCall(with: call.localId, updated: update)
|
|
}
|
|
}
|
|
|
|
func provider(_ provider: CXProvider, perform action: CXAnswerCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.info("\(TAG) Received \(#function) CXAnswerCallAction")
|
|
// Retrieve the instance corresponding to the action's call UUID
|
|
guard let call = callManager.callWithLocalId(action.callUUID) else {
|
|
action.fail()
|
|
return
|
|
}
|
|
|
|
self.callService.handleAnswerCall(call)
|
|
self.showCall(call)
|
|
action.fulfill()
|
|
}
|
|
|
|
public func provider(_ provider: CXProvider, perform action: CXEndCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.info("\(TAG) Received \(#function) CXEndCallAction")
|
|
guard let call = callManager.callWithLocalId(action.callUUID) else {
|
|
Logger.error("\(self.TAG) in \(#function) trying to end unknown call with localId: \(action.callUUID)")
|
|
action.fail()
|
|
return
|
|
}
|
|
|
|
self.callService.handleLocalHungupCall(call)
|
|
|
|
// Signal to the system that the action has been successfully performed.
|
|
action.fulfill()
|
|
|
|
// Remove the ended call from the app's list of calls.
|
|
self.callManager.removeCall(call)
|
|
}
|
|
|
|
public func provider(_ provider: CXProvider, perform action: CXSetHeldCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.info("\(TAG) Received \(#function) CXSetHeldCallAction")
|
|
guard let call = callManager.callWithLocalId(action.callUUID) else {
|
|
action.fail()
|
|
return
|
|
}
|
|
|
|
// Update the SignalCall's underlying hold state.
|
|
self.callService.setIsOnHold(call: call, isOnHold: action.isOnHold)
|
|
|
|
// Signal to the system that the action has been successfully performed.
|
|
action.fulfill()
|
|
}
|
|
|
|
public func provider(_ provider: CXProvider, perform action: CXSetMutedCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.info("\(TAG) Received \(#function) CXSetMutedCallAction")
|
|
guard let call = callManager.callWithLocalId(action.callUUID) else {
|
|
Logger.error("\(TAG) Failing CXSetMutedCallAction for unknown call: \(action.callUUID)")
|
|
action.fail()
|
|
return
|
|
}
|
|
|
|
self.callService.setIsMuted(call: call, isMuted: action.isMuted)
|
|
action.fulfill()
|
|
}
|
|
|
|
public func provider(_ provider: CXProvider, perform action: CXSetGroupCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.warn("\(TAG) unimplemented \(#function) for CXSetGroupCallAction")
|
|
}
|
|
|
|
public func provider(_ provider: CXProvider, perform action: CXPlayDTMFCallAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.warn("\(TAG) unimplemented \(#function) for CXPlayDTMFCallAction")
|
|
}
|
|
|
|
func provider(_ provider: CXProvider, timedOutPerforming action: CXAction) {
|
|
AssertIsOnMainThread()
|
|
|
|
owsFail("\(TAG) Timed out \(#function) while performing \(action)")
|
|
|
|
// React to the action timeout if necessary, such as showing an error UI.
|
|
}
|
|
|
|
func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.debug("\(TAG) Received \(#function)")
|
|
|
|
OWSAudioSession.shared.isRTCAudioEnabled = true
|
|
}
|
|
|
|
func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.debug("\(TAG) Received \(#function)")
|
|
OWSAudioSession.shared.isRTCAudioEnabled = false
|
|
}
|
|
|
|
// MARK: - Util
|
|
|
|
private func disableUnsupportedFeatures(callUpdate: CXCallUpdate) {
|
|
// Call Holding is failing to restart audio when "swapping" calls on the CallKit screen
|
|
// until user returns to in-app call screen.
|
|
callUpdate.supportsHolding = false
|
|
|
|
// Not yet supported
|
|
callUpdate.supportsGrouping = false
|
|
callUpdate.supportsUngrouping = false
|
|
|
|
// Is there any reason to support this?
|
|
callUpdate.supportsDTMF = false
|
|
}
|
|
}
|