mirror of https://github.com/oxen-io/session-ios
refactor to plug in callkit
ryanzhao
3 years ago
parent
e2de82a11d
commit
0ef7bdc9ce
@ -0,0 +1,132 @@
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import Foundation
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import WebRTC
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import SessionMessagingKit
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public final class SessionCall: NSObject {
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// MARK: Metadata Properties
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let uuid: UUID
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let sessionID: String
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let mode: Mode
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let webRTCSession: WebRTCSession
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var contactName: String {
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let contact = Storage.shared.getContact(with: self.sessionID)
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return contact?.displayName(for: Contact.Context.regular) ?? self.sessionID
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}
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var profilePicture: UIImage {
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if let result = OWSProfileManager.shared().profileAvatar(forRecipientId: sessionID) {
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return result
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} else {
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return Identicon.generatePlaceholderIcon(seed: sessionID, text: contactName, size: 300)
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}
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}
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// MARK: Mode
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enum Mode {
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case offer
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case answer(sdp: RTCSessionDescription)
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}
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// MARK: Call State Properties
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var connectingDate: Date? {
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didSet {
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stateDidChange?()
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hasStartedConnectingDidChange?()
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}
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}
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var connectedDate: Date? {
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didSet {
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stateDidChange?()
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hasConnectedDidChange?()
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}
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}
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var endDate: Date? {
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didSet {
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stateDidChange?()
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hasEndedDidChange?()
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}
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}
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// Not yet implemented
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var isOnHold = false {
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didSet {
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stateDidChange?()
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}
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}
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// MARK: State Change Callbacks
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var stateDidChange: (() -> Void)?
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var hasStartedConnectingDidChange: (() -> Void)?
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var hasConnectedDidChange: (() -> Void)?
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var hasEndedDidChange: (() -> Void)?
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// MARK: Derived Properties
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var hasStartedConnecting: Bool {
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get { return connectingDate != nil }
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set { connectingDate = newValue ? Date() : nil }
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}
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var hasConnected: Bool {
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get { return connectedDate != nil }
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set { connectedDate = newValue ? Date() : nil }
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}
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var hasEnded: Bool {
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get { return endDate != nil }
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set { endDate = newValue ? Date() : nil }
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}
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var duration: TimeInterval {
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guard let connectedDate = connectedDate else {
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return 0
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}
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return Date().timeIntervalSince(connectedDate)
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}
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// MARK: Initialization
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init(for sessionID: String, uuid: String, mode: Mode) {
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self.sessionID = sessionID
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self.uuid = UUID(uuidString: uuid)!
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self.mode = mode
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self.webRTCSession = WebRTCSession.current ?? WebRTCSession(for: sessionID, with: uuid)
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super.init()
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reportIncomingCallIfNeeded()
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}
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func reportIncomingCallIfNeeded() {
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guard case .offer = mode else { return }
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AppEnvironment.shared.callManager.reportIncomingCall(self, callerName: contactName) { error in
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}
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}
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// MARK: Actions
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func startSessionCall(completion: (() -> Void)?) {
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guard case .offer = mode else { return }
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Storage.write { transaction in
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self.webRTCSession.sendPreOffer(to: self.sessionID, using: transaction).done {
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self.webRTCSession.sendOffer(to: self.sessionID, using: transaction).done {
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self.hasStartedConnecting = true
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}.retainUntilComplete()
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}.retainUntilComplete()
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}
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completion?()
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}
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func answerSessionCall(completion: (() -> Void)?) {
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guard case let .answer(sdp) = mode else { return }
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hasStartedConnecting = true
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webRTCSession.handleRemoteSDP(sdp, from: sessionID) // This sends an answer message internally
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completion?()
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}
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func endSessionCall() {
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guard !hasEnded else { return }
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Storage.write { transaction in
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self.webRTCSession.endCall(with: self.sessionID, using: transaction)
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}
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hasEnded = true
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}
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}
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@ -0,0 +1,96 @@
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import CallKit
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import SessionMessagingKit
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public final class SessionCallManager: NSObject, CXProviderDelegate {
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private let provider: CXProvider
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var currentCall: SessionCall?
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private static var _sharedProvider: CXProvider?
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class func sharedProvider(useSystemCallLog: Bool) -> CXProvider {
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let configuration = buildProviderConfiguration(useSystemCallLog: useSystemCallLog)
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if let sharedProvider = self._sharedProvider {
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sharedProvider.configuration = configuration
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return sharedProvider
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} else {
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SwiftSingletons.register(self)
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let provider = CXProvider(configuration: configuration)
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_sharedProvider = provider
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return provider
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}
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}
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class func buildProviderConfiguration(useSystemCallLog: Bool) -> CXProviderConfiguration {
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let localizedName = NSLocalizedString("APPLICATION_NAME", comment: "Name of application")
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let providerConfiguration = CXProviderConfiguration(localizedName: localizedName)
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providerConfiguration.supportsVideo = true
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providerConfiguration.maximumCallsPerCallGroup = 1
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providerConfiguration.supportedHandleTypes = [.generic]
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let iconMaskImage = #imageLiteral(resourceName: "SessionGreen32")
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providerConfiguration.iconTemplateImageData = iconMaskImage.pngData()
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providerConfiguration.includesCallsInRecents = useSystemCallLog
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return providerConfiguration
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}
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init(useSystemCallLog: Bool = false) {
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AssertIsOnMainThread()
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self.provider = type(of: self).sharedProvider(useSystemCallLog: useSystemCallLog)
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super.init()
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// We cannot assert singleton here, because this class gets rebuilt when the user changes relevant call settings
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self.provider.setDelegate(self, queue: nil)
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}
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public func providerDidReset(_ provider: CXProvider) {
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AssertIsOnMainThread()
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}
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public func reportOutgoingCall(_ call: SessionCall, completion: @escaping (Error?) -> Void) {
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AssertIsOnMainThread()
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self.provider.reportOutgoingCall(with: call.uuid, startedConnectingAt: call.connectingDate)
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self.currentCall = call
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call.hasConnectedDidChange = {
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self.provider.reportOutgoingCall(with: call.uuid, connectedAt: call.connectedDate)
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}
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}
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public func reportIncomingCall(_ call: SessionCall, callerName: String, completion: @escaping (Error?) -> Void) {
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AssertIsOnMainThread()
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// Construct a CXCallUpdate describing the incoming call, including the caller.
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let update = CXCallUpdate()
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update.localizedCallerName = callerName
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update.remoteHandle = CXHandle(type: .generic, value: call.uuid.uuidString)
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update.hasVideo = true
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disableUnsupportedFeatures(callUpdate: update)
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// Report the incoming call to the system
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self.provider.reportNewIncomingCall(with: call.uuid, update: update) { error in
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guard error == nil else {
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completion(error)
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Logger.error("failed to report new incoming call, error: \(error!)")
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return
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}
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self.currentCall = call
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completion(nil)
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}
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}
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// MARK: Util
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private func disableUnsupportedFeatures(callUpdate: CXCallUpdate) {
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// Call Holding is failing to restart audio when "swapping" calls on the CallKit screen
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// until user returns to in-app call screen.
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callUpdate.supportsHolding = false
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// Not yet supported
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callUpdate.supportsGrouping = false
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callUpdate.supportsUngrouping = false
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// Is there any reason to support this?
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callUpdate.supportsDTMF = false
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}
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}
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@ -1,11 +0,0 @@
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import CallKit
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extension WebRTCSession: CXProviderDelegate {
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public func providerDidReset(_ provider: CXProvider) {
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}
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public func reportIncomingCall() {
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}
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}
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