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https://github.com/Swiftgram/Telegram-iOS.git
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Module refactoring
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Peter
272
submodules/TelegramCallsUI/Sources/CallKitIntegration.swift
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272
submodules/TelegramCallsUI/Sources/CallKitIntegration.swift
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import Foundation
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import UIKit
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import CallKit
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import AVFoundation
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import Postbox
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import TelegramCore
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import SwiftSignalKit
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private var sharedProviderDelegate: AnyObject?
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public final class CallKitIntegration {
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public static var isAvailable: Bool {
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#if targetEnvironment(simulator)
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return false
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#endif
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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return Locale.current.regionCode?.lowercased() != "cn"
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} else {
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return false
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}
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}
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private let audioSessionActivePromise = ValuePromise<Bool>(false, ignoreRepeated: true)
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var audioSessionActive: Signal<Bool, NoError> {
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return self.audioSessionActivePromise.get()
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}
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init?(startCall: @escaping (Account, UUID, String) -> Signal<Bool, NoError>, answerCall: @escaping (UUID) -> Void, endCall: @escaping (UUID) -> Signal<Bool, NoError>, setCallMuted: @escaping (UUID, Bool) -> Void, audioSessionActivationChanged: @escaping (Bool) -> Void) {
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if !CallKitIntegration.isAvailable {
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return nil
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}
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#if targetEnvironment(simulator)
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return nil
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#else
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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if sharedProviderDelegate == nil {
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sharedProviderDelegate = CallKitProviderDelegate()
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}
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(sharedProviderDelegate as? CallKitProviderDelegate)?.setup(audioSessionActivePromise: self.audioSessionActivePromise, startCall: startCall, answerCall: answerCall, endCall: endCall, setCallMuted: setCallMuted, audioSessionActivationChanged: audioSessionActivationChanged)
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} else {
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return nil
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}
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#endif
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}
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func startCall(account: Account, peerId: PeerId, displayTitle: String) {
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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(sharedProviderDelegate as? CallKitProviderDelegate)?.startCall(account: account, peerId: peerId, displayTitle: displayTitle)
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}
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}
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func answerCall(uuid: UUID) {
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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(sharedProviderDelegate as? CallKitProviderDelegate)?.answerCall(uuid: uuid)
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}
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}
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func dropCall(uuid: UUID) {
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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(sharedProviderDelegate as? CallKitProviderDelegate)?.dropCall(uuid: uuid)
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}
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}
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func reportIncomingCall(uuid: UUID, handle: String, displayTitle: String, completion: ((NSError?) -> Void)?) {
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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(sharedProviderDelegate as? CallKitProviderDelegate)?.reportIncomingCall(uuid: uuid, handle: handle, displayTitle: displayTitle, completion: completion)
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}
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}
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func reportOutgoingCallConnected(uuid: UUID, at date: Date) {
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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(sharedProviderDelegate as? CallKitProviderDelegate)?.reportOutgoingCallConnected(uuid: uuid, at: date)
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}
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}
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}
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@available(iOSApplicationExtension 10.0, iOS 10.0, *)
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class CallKitProviderDelegate: NSObject, CXProviderDelegate {
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private let provider: CXProvider
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private let callController = CXCallController()
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private var currentStartCallAccount: (UUID, Account)?
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private var startCall: ((Account, UUID, String) -> Signal<Bool, NoError>)?
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private var answerCall: ((UUID) -> Void)?
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private var endCall: ((UUID) -> Signal<Bool, NoError>)?
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private var setCallMuted: ((UUID, Bool) -> Void)?
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private var audioSessionActivationChanged: ((Bool) -> Void)?
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private let disposableSet = DisposableSet()
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fileprivate var audioSessionActivePromise: ValuePromise<Bool>?
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override init() {
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self.provider = CXProvider(configuration: CallKitProviderDelegate.providerConfiguration)
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super.init()
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self.provider.setDelegate(self, queue: nil)
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}
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func setup(audioSessionActivePromise: ValuePromise<Bool>, startCall: @escaping (Account, UUID, String) -> Signal<Bool, NoError>, answerCall: @escaping (UUID) -> Void, endCall: @escaping (UUID) -> Signal<Bool, NoError>, setCallMuted: @escaping (UUID, Bool) -> Void, audioSessionActivationChanged: @escaping (Bool) -> Void) {
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self.audioSessionActivePromise = audioSessionActivePromise
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self.startCall = startCall
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self.answerCall = answerCall
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self.endCall = endCall
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self.setCallMuted = setCallMuted
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self.audioSessionActivationChanged = audioSessionActivationChanged
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}
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static var providerConfiguration: CXProviderConfiguration {
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let providerConfiguration = CXProviderConfiguration(localizedName: "Telegram")
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providerConfiguration.supportsVideo = false
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providerConfiguration.maximumCallsPerCallGroup = 1
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providerConfiguration.maximumCallGroups = 1
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providerConfiguration.supportedHandleTypes = [.phoneNumber, .generic]
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if let image = UIImage(named: "Call/CallKitLogo", in: Bundle(for: CallKitIntegration.self), compatibleWith: nil) {
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providerConfiguration.iconTemplateImageData = image.pngData()
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}
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return providerConfiguration
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}
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private func requestTransaction(_ transaction: CXTransaction, completion: ((Bool) -> Void)? = nil) {
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self.callController.request(transaction) { error in
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if let error = error {
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print("Error requesting transaction: \(error)")
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}
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completion?(error == nil)
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}
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}
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func endCall(uuid: UUID) {
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let endCallAction = CXEndCallAction(call: uuid)
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let transaction = CXTransaction(action: endCallAction)
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self.requestTransaction(transaction)
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}
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func dropCall(uuid: UUID) {
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self.provider.reportCall(with: uuid, endedAt: nil, reason: CXCallEndedReason.remoteEnded)
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}
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func answerCall(uuid: UUID) {
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}
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func startCall(account: Account, peerId: PeerId, displayTitle: String) {
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let uuid = UUID()
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self.currentStartCallAccount = (uuid, account)
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let handle = CXHandle(type: .generic, value: "\(peerId.id)")
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let startCallAction = CXStartCallAction(call: uuid, handle: handle)
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startCallAction.contactIdentifier = displayTitle
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startCallAction.isVideo = false
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let transaction = CXTransaction(action: startCallAction)
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self.requestTransaction(transaction, completion: { _ in
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let update = CXCallUpdate()
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update.remoteHandle = handle
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update.localizedCallerName = displayTitle
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update.supportsHolding = false
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update.supportsGrouping = false
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update.supportsUngrouping = false
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update.supportsDTMF = false
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self.provider.reportCall(with: uuid, updated: update)
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})
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}
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func reportIncomingCall(uuid: UUID, handle: String, displayTitle: String, completion: ((NSError?) -> Void)?) {
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let update = CXCallUpdate()
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update.remoteHandle = CXHandle(type: .generic, value: handle)
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update.localizedCallerName = displayTitle
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update.supportsHolding = false
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update.supportsGrouping = false
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update.supportsUngrouping = false
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update.supportsDTMF = false
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self.provider.reportNewIncomingCall(with: uuid, update: update, completion: { error in
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completion?(error as NSError?)
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})
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}
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func reportOutgoingCallConnecting(uuid: UUID, at date: Date) {
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self.provider.reportOutgoingCall(with: uuid, startedConnectingAt: date)
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}
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func reportOutgoingCallConnected(uuid: UUID, at date: Date) {
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self.provider.reportOutgoingCall(with: uuid, connectedAt: date)
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}
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func providerDidReset(_ provider: CXProvider) {
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}
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func provider(_ provider: CXProvider, perform action: CXStartCallAction) {
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guard let startCall = self.startCall, let (uuid, account) = self.currentStartCallAccount, uuid == action.callUUID else {
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action.fail()
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return
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}
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self.currentStartCallAccount = nil
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let disposable = MetaDisposable()
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self.disposableSet.add(disposable)
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disposable.set((startCall(account, action.callUUID, action.handle.value)
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|> deliverOnMainQueue
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|> afterDisposed { [weak self, weak disposable] in
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if let strongSelf = self, let disposable = disposable {
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strongSelf.disposableSet.remove(disposable)
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}
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}).start(next: { result in
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if result {
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action.fulfill()
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} else {
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action.fail()
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}
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}))
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}
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func provider(_ provider: CXProvider, perform action: CXAnswerCallAction) {
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guard let answerCall = self.answerCall else {
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action.fail()
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return
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}
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answerCall(action.callUUID)
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action.fulfill()
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}
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func provider(_ provider: CXProvider, perform action: CXEndCallAction) {
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guard let endCall = self.endCall else {
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action.fail()
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return
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}
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let disposable = MetaDisposable()
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self.disposableSet.add(disposable)
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disposable.set((endCall(action.callUUID)
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|> deliverOnMainQueue
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|> afterDisposed { [weak self, weak disposable] in
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if let strongSelf = self, let disposable = disposable {
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strongSelf.disposableSet.remove(disposable)
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}
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}).start(next: { result in
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if result {
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action.fulfill(withDateEnded: Date())
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} else {
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action.fail()
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}
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}))
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}
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func provider(_ provider: CXProvider, perform action: CXSetMutedCallAction) {
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guard let setCallMuted = self.setCallMuted else {
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action.fail()
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return
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}
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setCallMuted(action.uuid, action.isMuted)
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action.fulfill()
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}
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func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
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self.audioSessionActivationChanged?(true)
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self.audioSessionActivePromise?.set(true)
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}
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func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
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self.audioSessionActivationChanged?(false)
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self.audioSessionActivePromise?.set(false)
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}
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}
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