/*
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* Copyright (c) 2010-2020 Belledonne Communications SARL.
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*
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* This file is part of linphone-iphone
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import Foundation
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import linphonesw
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import UserNotifications
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import os
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import CallKit
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import AVFoundation
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@objc class CallAppData: NSObject {
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@objc var batteryWarningShown = false
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@objc var videoRequested = false /*set when user has requested for video*/
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}
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/*
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* CallManager is a class that manages application calls and supports callkit.
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* There is only one CallManager by calling CallManager.instance().
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*/
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@objc class CallManager: NSObject, CoreDelegate {
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static var theCallManager: CallManager?
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let providerDelegate: ProviderDelegate! // to support callkit
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let callController: CXCallController! // to support callkit
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var lc: Core?
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@objc var speakerBeforePause : Bool = false
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@objc var nextCallIsTransfer: Bool = false
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var referedFromCall: String?
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var referedToCall: String?
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var endCallkit: Bool = false
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var globalState : GlobalState = .Off
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var actionsToPerformOnceWhenCoreIsOn : [(()->Void)] = []
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var backgroundContextCall : Call?
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@objc var backgroundContextCameraIsEnabled : Bool = false
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fileprivate override init() {
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providerDelegate = ProviderDelegate()
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callController = CXCallController()
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}
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@objc static func instance() -> CallManager {
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if (theCallManager == nil) {
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theCallManager = CallManager()
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}
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return theCallManager!
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}
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@objc func setCore(core: OpaquePointer) {
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lc = Core.getSwiftObject(cObject: core)
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lc?.addDelegate(delegate: self)
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}
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@objc static func getAppData(call: OpaquePointer) -> CallAppData? {
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let sCall = Call.getSwiftObject(cObject: call)
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return getAppData(sCall: sCall)
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}
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static func getAppData(sCall:Call) -> CallAppData? {
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if (sCall.userData == nil) {
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return nil
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}
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return Unmanaged<CallAppData>.fromOpaque(sCall.userData!).takeUnretainedValue()
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}
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@objc static func setAppData(call:OpaquePointer, appData: CallAppData) {
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let sCall = Call.getSwiftObject(cObject: call)
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setAppData(sCall: sCall, appData: appData)
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}
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static func setAppData(sCall:Call, appData:CallAppData?) {
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if (sCall.userData != nil) {
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Unmanaged<CallAppData>.fromOpaque(sCall.userData!).release()
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}
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if (appData == nil) {
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sCall.userData = nil
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} else {
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sCall.userData = UnsafeMutableRawPointer(Unmanaged.passRetained(appData!).toOpaque())
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}
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}
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@objc func findCall(callId: String?) -> OpaquePointer? {
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let call = callByCallId(callId: callId)
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return call?.getCobject
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}
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func callByCallId(callId: String?) -> Call? {
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if (callId == nil) {
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return nil
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}
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let calls = lc?.calls
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if let callTmp = calls?.first(where: { $0.callLog?.callId == callId }) {
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return callTmp
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}
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return nil
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}
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@objc func stopLinphoneCore() {
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if (lc?.callsNb == 0) {
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lc?.stopAsync()
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}
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}
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@objc func getBackgroundContextCall() -> OpaquePointer? {
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return backgroundContextCall?.getCobject
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}
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@objc func setBackgroundContextCall(call: OpaquePointer?) {
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if (call == nil) {
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backgroundContextCall = nil
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} else {
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backgroundContextCall = Call.getSwiftObject(cObject: call!)
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}
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}
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@objc static func callKitEnabled() -> Bool {
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#if !targetEnvironment(simulator)
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if ConfigManager.instance().lpConfigBoolForKey(key: "use_callkit", section: "app") {
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return true
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}
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#endif
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return false
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}
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@objc func changeRouteToSpeaker() {
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for device in lc!.audioDevices {
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if (device.type == AudioDeviceType.Speaker) {
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lc!.outputAudioDevice = device
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break
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}
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}
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UIDevice.current.isProximityMonitoringEnabled = false
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}
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@objc func changeRouteToBluetooth() {
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for device in lc!.audioDevices {
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if (device.type == AudioDeviceType.Bluetooth || device.type == AudioDeviceType.BluetoothA2DP) {
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lc!.outputAudioDevice = device
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break
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}
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}
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UIDevice.current.isProximityMonitoringEnabled = (lc!.callsNb > 0)
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}
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@objc func changeRouteToDefault() {
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lc!.outputAudioDevice = lc!.defaultOutputAudioDevice
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}
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@objc func isBluetoothAvailable() -> Bool {
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for device in lc!.audioDevices {
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if (device.type == AudioDeviceType.Bluetooth || device.type == AudioDeviceType.BluetoothA2DP) {
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return true;
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}
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}
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return false;
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}
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@objc func isSpeakerEnabled() -> Bool {
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if let outputDevice = lc!.outputAudioDevice {
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return outputDevice.type == AudioDeviceType.Speaker
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}
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return false
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}
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@objc func isBluetoothEnabled() -> Bool {
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if let outputDevice = lc!.outputAudioDevice {
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return (outputDevice.type == AudioDeviceType.Bluetooth || outputDevice.type == AudioDeviceType.BluetoothA2DP)
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}
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return false
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}
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@objc func isReceiverEnabled() -> Bool {
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if let outputDevice = lc!.outputAudioDevice {
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return outputDevice.type == AudioDeviceType.Microphone
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}
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return false
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}
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func requestTransaction(_ transaction: CXTransaction, action: String) {
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callController.request(transaction) { error in
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if let error = error {
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Log.directLog(BCTBX_LOG_ERROR, text: "CallKit: Requested transaction \(action) failed because: \(error)")
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} else {
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Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: Requested transaction \(action) successfully")
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}
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}
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}
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@objc func updateCallId(previous: String, current: String) {
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let uuid = CallManager.instance().providerDelegate.uuids["\(previous)"]
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if (uuid != nil) {
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CallManager.instance().providerDelegate.uuids.removeValue(forKey: previous)
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CallManager.instance().providerDelegate.uuids.updateValue(uuid!, forKey: current)
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let callInfo = providerDelegate.callInfos[uuid!]
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if (callInfo != nil) {
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callInfo!.callId = current
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providerDelegate.callInfos.updateValue(callInfo!, forKey: uuid!)
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}
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}
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}
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func displayIncomingCall(call:Call?, handle: String, hasVideo: Bool, callId: String, displayName:String) {
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let uuid = UUID()
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let callInfo = CallInfo.newIncomingCallInfo(callId: callId)
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providerDelegate.callInfos.updateValue(callInfo, forKey: uuid)
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providerDelegate.uuids.updateValue(uuid, forKey: callId)
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providerDelegate.reportIncomingCall(call:call, uuid: uuid, handle: handle, hasVideo: hasVideo, displayName: displayName)
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}
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@objc func acceptCall(call: OpaquePointer?, hasVideo:Bool) {
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if (call == nil) {
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Log.directLog(BCTBX_LOG_ERROR, text: "Can not accept null call!")
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return
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}
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let call = Call.getSwiftObject(cObject: call!)
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acceptCall(call: call, hasVideo: hasVideo)
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}
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func acceptCall(call: Call, hasVideo:Bool) {
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do {
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let callParams = try lc!.createCallParams(call: call)
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callParams.videoEnabled = hasVideo
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if (ConfigManager.instance().lpConfigBoolForKey(key: "edge_opt_preference")) {
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let low_bandwidth = (AppManager.network() == .network_2g)
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if (low_bandwidth) {
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Log.directLog(BCTBX_LOG_MESSAGE, text: "Low bandwidth mode")
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}
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callParams.lowBandwidthEnabled = low_bandwidth
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}
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//We set the record file name here because we can't do it after the call is started.
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let address = call.callLog?.fromAddress
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let writablePath = AppManager.recordingFilePathFromCall(address: address?.username ?? "")
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Log.directLog(BCTBX_LOG_MESSAGE, text: "Record file path: \(String(describing: writablePath))")
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callParams.recordFile = writablePath
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try call.acceptWithParams(params: callParams)
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} catch {
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Log.directLog(BCTBX_LOG_ERROR, text: "accept call failed \(error)")
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}
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}
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// for outgoing call. There is not yet callId
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@objc func startCall(addr: OpaquePointer?, isSas: Bool) {
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if (addr == nil) {
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print("Can not start a call with null address!")
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return
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}
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let sAddr = Address.getSwiftObject(cObject: addr!)
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if (CallManager.callKitEnabled() && !CallManager.instance().nextCallIsTransfer) {
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let uuid = UUID()
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let name = FastAddressBook.displayName(for: addr) ?? "unknow"
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let handle = CXHandle(type: .generic, value: sAddr.asStringUriOnly())
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let startCallAction = CXStartCallAction(call: uuid, handle: handle)
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let transaction = CXTransaction(action: startCallAction)
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let callInfo = CallInfo.newOutgoingCallInfo(addr: sAddr, isSas: isSas, displayName: name)
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providerDelegate.callInfos.updateValue(callInfo, forKey: uuid)
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providerDelegate.uuids.updateValue(uuid, forKey: "")
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setHeldOtherCalls(exceptCallid: "")
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requestTransaction(transaction, action: "startCall")
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}else {
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try? doCall(addr: sAddr, isSas: isSas)
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}
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}
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func doCall(addr: Address, isSas: Bool) throws {
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let displayName = FastAddressBook.displayName(for: addr.getCobject)
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let lcallParams = try CallManager.instance().lc!.createCallParams(call: nil)
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if ConfigManager.instance().lpConfigBoolForKey(key: "edge_opt_preference") && AppManager.network() == .network_2g {
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Log.directLog(BCTBX_LOG_MESSAGE, text: "Enabling low bandwidth mode")
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lcallParams.lowBandwidthEnabled = true
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}
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if (displayName != nil) {
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try addr.setDisplayname(newValue: displayName!)
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}
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if(ConfigManager.instance().lpConfigBoolForKey(key: "override_domain_with_default_one")) {
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try addr.setDomain(newValue: ConfigManager.instance().lpConfigStringForKey(key: "domain", section: "assistant"))
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}
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if (CallManager.instance().nextCallIsTransfer) {
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let call = CallManager.instance().lc!.currentCall
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try call?.transferTo(referTo: addr)
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CallManager.instance().nextCallIsTransfer = false
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} else {
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//We set the record file name here because we can't do it after the call is started.
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let writablePath = AppManager.recordingFilePathFromCall(address: addr.username )
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Log.directLog(BCTBX_LOG_DEBUG, text: "record file path: \(writablePath)")
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lcallParams.recordFile = writablePath
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if (isSas) {
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lcallParams.mediaEncryption = .ZRTP
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}
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let call = CallManager.instance().lc!.inviteAddressWithParams(addr: addr, params: lcallParams)
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if (call != nil) {
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// The LinphoneCallAppData object should be set on call creation with callback
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// - (void)onCall:StateChanged:withMessage:. If not, we are in big trouble and expect it to crash
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// We are NOT responsible for creating the AppData.
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let data = CallManager.getAppData(sCall: call!)
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if (data == nil) {
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Log.directLog(BCTBX_LOG_ERROR, text: "New call instanciated but app data was not set. Expect it to crash.")
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/* will be used later to notify user if video was not activated because of the linphone core*/
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} else {
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data!.videoRequested = lcallParams.videoEnabled
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CallManager.setAppData(sCall: call!, appData: data)
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}
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}
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}
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}
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@objc func groupCall() {
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if (CallManager.callKitEnabled()) {
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let calls = lc?.calls
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if (calls == nil || calls!.isEmpty) {
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return
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}
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let firstCall = calls!.first?.callLog?.callId ?? ""
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let lastCall = (calls!.count > 1) ? calls!.last?.callLog?.callId ?? "" : ""
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let currentUuid = CallManager.instance().providerDelegate.uuids["\(firstCall)"]
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if (currentUuid == nil) {
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Log.directLog(BCTBX_LOG_ERROR, text: "Can not find correspondant call to group.")
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return
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}
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let newUuid = CallManager.instance().providerDelegate.uuids["\(lastCall)"]
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let groupAction = CXSetGroupCallAction(call: currentUuid!, callUUIDToGroupWith: newUuid)
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let transcation = CXTransaction(action: groupAction)
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requestTransaction(transcation, action: "groupCall")
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setResumeCalls()
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} else {
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try? lc?.addAllToConference()
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}
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}
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@objc func removeAllCallInfos() {
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providerDelegate.callInfos.removeAll()
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providerDelegate.uuids.removeAll()
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}
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@objc func terminateCall(call: OpaquePointer?) {
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if (call == nil) {
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Log.directLog(BCTBX_LOG_ERROR, text: "Can not terminate null call!")
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return
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}
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let call = Call.getSwiftObject(cObject: call!)
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do {
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try call.terminate()
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Log.directLog(BCTBX_LOG_DEBUG, text: "Call terminated")
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} catch {
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Log.directLog(BCTBX_LOG_ERROR, text: "Failed to terminate call failed because \(error)")
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}
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}
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@objc func markCallAsDeclined(callId: String) {
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if !CallManager.callKitEnabled() {
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return
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}
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let uuid = providerDelegate.uuids["\(callId)"]
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if (uuid == nil) {
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Log.directLog(BCTBX_LOG_MESSAGE, text: "Mark call \(callId) as declined.")
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let uuid = UUID()
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providerDelegate.uuids.updateValue(uuid, forKey: callId)
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let callInfo = CallInfo.newIncomingCallInfo(callId: callId)
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callInfo.reason = Reason.Busy
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providerDelegate.callInfos.updateValue(callInfo, forKey: uuid)
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} else {
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// end call
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providerDelegate.endCall(uuid: uuid!)
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}
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}
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@objc func setHeld(call: OpaquePointer, hold: Bool) {
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let sCall = Call.getSwiftObject(cObject: call)
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if (!hold) {
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setHeldOtherCalls(exceptCallid: sCall.callLog?.callId ?? "")
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}
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setHeld(call: sCall, hold: hold)
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}
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func setHeld(call: Call, hold: Bool) {
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let callid = call.callLog?.callId ?? ""
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let uuid = providerDelegate.uuids["\(callid)"]
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if (uuid == nil) {
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Log.directLog(BCTBX_LOG_ERROR, text: "Can not find correspondant call to set held.")
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return
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}
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let setHeldAction = CXSetHeldCallAction(call: uuid!, onHold: hold)
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let transaction = CXTransaction(action: setHeldAction)
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requestTransaction(transaction, action: "setHeld")
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}
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@objc func setHeldOtherCalls(exceptCallid: String) {
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for call in CallManager.instance().lc!.calls {
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if (call.callLog?.callId != exceptCallid && call.state != .Paused && call.state != .Pausing && call.state != .PausedByRemote) {
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setHeld(call: call, hold: true)
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}
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}
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}
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func setResumeCalls() {
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for call in CallManager.instance().lc!.calls {
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if (call.state == .Paused || call.state == .Pausing || call.state == .PausedByRemote) {
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setHeld(call: call, hold: false)
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}
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}
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}
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@objc func performActionWhenCoreIsOn(action: @escaping ()->Void ) {
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if (globalState == .On) {
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action()
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} else {
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actionsToPerformOnceWhenCoreIsOn.append(action)
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}
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}
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@objc func acceptVideo(call: OpaquePointer, confirm: Bool) {
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let sCall = Call.getSwiftObject(cObject: call)
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let params = try? lc?.createCallParams(call: sCall)
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params?.videoEnabled = confirm
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try? sCall.acceptUpdate(params: params)
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}
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func onGlobalStateChanged(core: Core, state: GlobalState, message: String) {
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if (state == .On) {
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actionsToPerformOnceWhenCoreIsOn.forEach {
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$0()
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}
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actionsToPerformOnceWhenCoreIsOn.removeAll()
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}
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globalState = state
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}
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func onRegistrationStateChanged(core: Core, proxyConfig: ProxyConfig, state: RegistrationState, message: String) {
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if core.proxyConfigList.count == 1 && (state == .Failed || state == .Cleared){
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// terminate callkit immediately when registration failed or cleared, supporting single proxy configuration
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for call in CallManager.instance().providerDelegate.uuids {
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let callId = CallManager.instance().providerDelegate.callInfos[call.value]?.callId
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if (callId != nil) {
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let call = CallManager.instance().lc?.getCallByCallid(callId: callId!)
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if (call != nil && call?.state != .PushIncomingReceived) {
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// sometimes (for example) due to network, registration failed, in this case, keep the call
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continue
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}
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}
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CallManager.instance().providerDelegate.endCall(uuid: call.value)
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}
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CallManager.instance().endCallkit = true
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} else {
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CallManager.instance().endCallkit = false
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}
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}
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func onCallStateChanged(core: Core, call: Call, state cstate: Call.State, message: String) {
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let callLog = call.callLog
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let callId = callLog?.callId
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if (cstate == .PushIncomingReceived) {
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displayIncomingCall(call: call, handle: "Calling", hasVideo: false, callId: callId!, displayName: "Calling")
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} else {
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let video = (core.videoActivationPolicy?.automaticallyAccept ?? false) && (call.remoteParams?.videoEnabled ?? false)
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if (call.userData == nil) {
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let appData = CallAppData()
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CallManager.setAppData(sCall: call, appData: appData)
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}
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switch cstate {
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case .IncomingReceived:
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let addr = call.remoteAddress;
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let displayName = FastAddressBook.displayName(for: addr?.getCobject) ?? "Unknown"
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if (CallManager.callKitEnabled()) {
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let uuid = CallManager.instance().providerDelegate.uuids["\(callId!)"]
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if (uuid != nil) {
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// Tha app is now registered, updated the call already existed.
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CallManager.instance().providerDelegate.updateCall(uuid: uuid!, handle: addr!.asStringUriOnly(), hasVideo: video, displayName: displayName)
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} else {
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CallManager.instance().displayIncomingCall(call: call, handle: addr!.asStringUriOnly(), hasVideo: video, callId: callId!, displayName: displayName)
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}
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} else if (UIApplication.shared.applicationState != .active) {
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// not support callkit , use notif
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let content = UNMutableNotificationContent()
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content.title = NSLocalizedString("Incoming call", comment: "")
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content.body = displayName
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content.sound = UNNotificationSound.init(named: UNNotificationSoundName.init("notes_of_the_optimistic.caf"))
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content.categoryIdentifier = "call_cat"
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content.userInfo = ["CallId" : callId!]
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let req = UNNotificationRequest.init(identifier: "call_request", content: content, trigger: nil)
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UNUserNotificationCenter.current().add(req, withCompletionHandler: nil)
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}
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break
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case .StreamsRunning:
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if (CallManager.callKitEnabled()) {
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let uuid = CallManager.instance().providerDelegate.uuids["\(callId!)"]
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if (uuid != nil) {
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let callInfo = CallManager.instance().providerDelegate.callInfos[uuid!]
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if (callInfo != nil && callInfo!.isOutgoing && !callInfo!.connected) {
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Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: outgoing call connected with uuid \(uuid!) and callId \(callId!)")
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CallManager.instance().providerDelegate.reportOutgoingCallConnected(uuid: uuid!)
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callInfo!.connected = true
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CallManager.instance().providerDelegate.callInfos.updateValue(callInfo!, forKey: uuid!)
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}
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}
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}
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if (CallManager.instance().speakerBeforePause) {
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CallManager.instance().speakerBeforePause = false
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CallManager.instance().changeRouteToSpeaker()
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}
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break
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case .OutgoingInit,
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.OutgoingProgress,
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.OutgoingRinging,
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.OutgoingEarlyMedia:
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if (CallManager.callKitEnabled()) {
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let uuid = CallManager.instance().providerDelegate.uuids[""]
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if (uuid != nil) {
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let callInfo = CallManager.instance().providerDelegate.callInfos[uuid!]
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callInfo!.callId = callId!
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CallManager.instance().providerDelegate.callInfos.updateValue(callInfo!, forKey: uuid!)
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CallManager.instance().providerDelegate.uuids.removeValue(forKey: "")
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CallManager.instance().providerDelegate.uuids.updateValue(uuid!, forKey: callId!)
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Log.directLog(BCTBX_LOG_MESSAGE, text: "CallKit: outgoing call started connecting with uuid \(uuid!) and callId \(callId!)")
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CallManager.instance().providerDelegate.reportOutgoingCallStartedConnecting(uuid: uuid!)
|
} else {
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CallManager.instance().referedToCall = callId
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}
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}
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break
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case .End,
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.Error:
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var displayName = "Unknown"
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if let addr = call.remoteAddress, let contactName = FastAddressBook.displayName(for: addr.getCobject) {
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displayName = contactName
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}
|
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UIDevice.current.isProximityMonitoringEnabled = false
|
if (CallManager.instance().lc!.callsNb == 0) {
|
CallManager.instance().changeRouteToDefault()
|
// disable this because I don't find anygood reason for it: _bluetoothAvailable = FALSE;
|
// furthermore it introduces a bug when calling multiple times since route may not be
|
// reconfigured between cause leading to bluetooth being disabled while it should not
|
//CallManager.instance().bluetoothEnabled = false
|
}
|
|
if UIApplication.shared.applicationState != .active && (callLog == nil || callLog?.status == .Missed || callLog?.status == .Aborted || callLog?.status == .EarlyAborted) {
|
// Configure the notification's payload.
|
let content = UNMutableNotificationContent()
|
content.title = NSString.localizedUserNotificationString(forKey: NSLocalizedString("Missed call", comment: ""), arguments: nil)
|
content.body = NSString.localizedUserNotificationString(forKey: displayName, arguments: nil)
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// Deliver the notification.
|
let request = UNNotificationRequest(identifier: "call_request", content: content, trigger: nil) // Schedule the notification.
|
let center = UNUserNotificationCenter.current()
|
center.add(request) { (error : Error?) in
|
if error != nil {
|
Log.directLog(BCTBX_LOG_ERROR, text: "Error while adding notification request : \(error!.localizedDescription)")
|
}
|
}
|
}
|
|
if (CallManager.callKitEnabled()) {
|
var uuid = CallManager.instance().providerDelegate.uuids["\(callId!)"]
|
if (callId == CallManager.instance().referedToCall) {
|
// refered call ended before connecting
|
Log.directLog(BCTBX_LOG_MESSAGE, text: "Callkit: end refered to call : \(String(describing: CallManager.instance().referedToCall))")
|
CallManager.instance().referedFromCall = nil
|
CallManager.instance().referedToCall = nil
|
}
|
if uuid == nil {
|
// the call not yet connected
|
uuid = CallManager.instance().providerDelegate.uuids[""]
|
}
|
if (uuid != nil) {
|
if (callId == CallManager.instance().referedFromCall) {
|
Log.directLog(BCTBX_LOG_MESSAGE, text: "Callkit: end refered from call : \(String(describing: CallManager.instance().referedFromCall))")
|
CallManager.instance().referedFromCall = nil
|
let callInfo = CallManager.instance().providerDelegate.callInfos[uuid!]
|
callInfo!.callId = CallManager.instance().referedToCall ?? ""
|
CallManager.instance().providerDelegate.callInfos.updateValue(callInfo!, forKey: uuid!)
|
CallManager.instance().providerDelegate.uuids.removeValue(forKey: callId!)
|
CallManager.instance().providerDelegate.uuids.updateValue(uuid!, forKey: callInfo!.callId)
|
CallManager.instance().referedToCall = nil
|
break
|
}
|
|
let transaction = CXTransaction(action:
|
CXEndCallAction(call: uuid!))
|
CallManager.instance().requestTransaction(transaction, action: "endCall")
|
}
|
}
|
break
|
case .Released:
|
call.userData = nil
|
break
|
case .Referred:
|
CallManager.instance().referedFromCall = call.callLog?.callId
|
break
|
default:
|
break
|
}
|
|
if (cstate == .IncomingReceived || cstate == .OutgoingInit || cstate == .Connected || cstate == .StreamsRunning) {
|
let check = call.currentParams?.videoEnabled
|
if ((call.currentParams?.videoEnabled ?? false) && CallManager.instance().isReceiverEnabled()) {
|
CallManager.instance().changeRouteToSpeaker()
|
}
|
}
|
}
|
// post Notification kLinphoneCallUpdate
|
NotificationCenter.default.post(name: Notification.Name("LinphoneCallUpdate"), object: self, userInfo: [
|
AnyHashable("call"): NSValue.init(pointer:UnsafeRawPointer(call.getCobject)),
|
AnyHashable("state"): NSNumber(value: cstate.rawValue),
|
AnyHashable("message"): message
|
])
|
}
|
}
|
