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CallKitProviderDelegate.swift 4.56 KiB
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//
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//  ProviderDelegate.swift
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//  CallTutorial
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//
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//  Created by QuentinArguillere on 05/08/2020.
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//  Copyright © 2020 BelledonneCommunications. All rights reserved.
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//
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import Foundation
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import CallKit
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import linphonesw
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import AVFoundation
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class CallKitProviderDelegate : NSObject
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{
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	private let provider: CXProvider
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	let mCallController = CXCallController()
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	var tutorialContext : CallKitExampleContext!
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	var incomingCallUUID : UUID!
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	init(context: CallKitExampleContext)
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	{
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		tutorialContext = context
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		let providerConfiguration = CXProviderConfiguration()
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		providerConfiguration.supportsVideo = true
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		providerConfiguration.supportedHandleTypes = [.generic]
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		providerConfiguration.maximumCallsPerCallGroup = 1
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		providerConfiguration.maximumCallGroups = 1
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		provider = CXProvider(configuration: providerConfiguration)
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		super.init()
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		provider.setDelegate(self, queue: nil) // The CXProvider delegate will trigger CallKit related callbacks
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	}
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	func incomingCall()
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	{
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		NSLog("Callkit  incomingCall -- Is main thread ? \(Thread.isMainThread ? "yes" : "no") ")
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		incomingCallUUID = UUID()
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		let update = CXCallUpdate()
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		update.remoteHandle = CXHandle(type:.generic, value: tutorialContext.incomingCallName)
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		provider.reportNewIncomingCall(with: incomingCallUUID, update: update, completion: { error in }) // Report to CallKit a call is incoming
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	}
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	func stopCall()
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	{
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		NSLog("Callkit  stopCall -- Is main thread ? \(Thread.isMainThread ? "yes" : "no") ")
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		let endCallAction = CXEndCallAction(call: incomingCallUUID)
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		let transaction = CXTransaction(action: endCallAction)
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		mCallController.request(transaction, completion: { error in }) // Report to CallKit a call must end
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	}
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}
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// In this extension, we implement the action we want to be done when CallKit is notified of something.
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// This can happen through the CallKit GUI in the app, or directly in the code (see, incomingCall(), stopCall() functions above)
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extension CallKitProviderDelegate: CXProviderDelegate {
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	func provider(_ provider: CXProvider, perform action: CXEndCallAction) {
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		NSLog("Callkit  CXEndCallAction -- Is main thread ? \(Thread.isMainThread ? "yes" : "no") ")
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		do {
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			if (tutorialContext.mCall?.state != .End && tutorialContext.mCall?.state != .Released)  {
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				try tutorialContext.mCall?.terminate()
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			}
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} catch { NSLog(error.localizedDescription) } tutorialContext.isCallRunning = false tutorialContext.isCallIncoming = false action.fulfill() } func provider(_ provider: CXProvider, perform action: CXAnswerCallAction) { NSLog("Callkit CXAnswerCallAction -- Is main thread ? \(Thread.isMainThread ? "yes" : "no") ") do { // The audio stream is going to start shortly: the AVAudioSession must be configured now. // It is worth to note that an application does not have permission to configure the // AVAudioSession outside of this delegate action while it is running in background, // which is usually the case in an incoming call scenario. tutorialContext.mCore.configureAudioSession(); try tutorialContext.mCall?.accept() tutorialContext.isCallRunning = true } catch { print(error) } action.fulfill() } func provider(_ provider: CXProvider, perform action: CXSetHeldCallAction) {} func provider(_ provider: CXProvider, perform action: CXStartCallAction) { // This tutorial is not doing outgoing calls. If it had to do so, // configureAudioSession() shall be called from here, just before launching the // call. // tutorialContext.mCore.configureAudioSession(); // tutorialContext.mCore.invite("sip:bob@example.net"); // action.fulfill(); } func provider(_ provider: CXProvider, perform action: CXSetMutedCallAction) {} func provider(_ provider: CXProvider, perform action: CXPlayDTMFCallAction) {} func provider(_ provider: CXProvider, timedOutPerforming action: CXAction) {} func providerDidReset(_ provider: CXProvider) {} func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) { NSLog("Callkit didActivateaudiosession -- Is main thread ? \(Thread.isMainThread ? "yes" : "no") ") // The linphone Core must be notified that CallKit has activated the AVAudioSession // in order to start streaming audio. tutorialContext.linphoneAsyncHelper.postOnCoreQueue { self.tutorialContext.mCore.activateAudioSession(actived: true) } } func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) { // The linphone Core must be notified that CallKit has deactivated the AVAudioSession. tutorialContext.linphoneAsyncHelper.postOnCoreQueue { self.tutorialContext.mCore.activateAudioSession(actived: false) } } }