120 lines
4.0 KiB
Swift
120 lines
4.0 KiB
Swift
import SessionUtilitiesKit
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public final class IndividualCallMessage : ControlMessage {
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public var callID: UInt64?
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public var kind: Kind?
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// MARK: Call Type
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public enum CallType : String {
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case audio, video
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fileprivate static func from(_ proto: SNProtoCallMessageOffer.SNProtoCallMessageOfferType) -> CallType {
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switch proto {
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case .offerAudioCall: return .audio
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case .offerVideoCall: return .video
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}
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}
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}
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// MARK: Hangup Type
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public enum HangupType : String {
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case normal, accepted, declined, busy, needPermission
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fileprivate static func from(_ proto: SNProtoCallMessageHangup.SNProtoCallMessageHangupType) -> HangupType {
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switch proto {
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case .hangupNormal: return .normal
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case .hangupAccepted: return .accepted
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case .hangupDeclined: return .declined
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case .hangupBusy: return .busy
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case .hangupNeedPermission: return .needPermission
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}
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}
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}
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// MARK: Kind
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public enum Kind : CustomStringConvertible {
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case offer(opaque: Data, callType: CallType)
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case answer(opaque: Data)
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case iceUpdate(candidates: [Data])
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case hangup(type: HangupType)
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case busy
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public var description: String {
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switch self {
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case .offer(let opaque, let callType): return "offer(opaque: \(opaque.count) bytes, callType: \(callType.rawValue))"
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case .answer(let opaque): return "answer(opaque: \(opaque.count) bytes)"
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case .iceUpdate(let candidates): return "iceUpdate(candidates: \(candidates.count) candidates)"
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case .hangup(let type): return "hangup(type: \(type.rawValue)"
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case .busy: return "busy"
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}
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}
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}
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// MARK: Initialization
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public override init() { super.init() }
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internal init(callID: UInt64, kind: Kind) {
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super.init()
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self.callID = callID
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self.kind = kind
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}
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// MARK: Validation
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public override var isValid: Bool {
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guard super.isValid else { return false }
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return true
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}
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// MARK: Coding
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public required init?(coder: NSCoder) {
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super.init(coder: coder)
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}
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public override func encode(with coder: NSCoder) {
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super.encode(with: coder)
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}
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// MARK: Proto Conversion
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public override class func fromProto(_ proto: SNProtoContent) -> IndividualCallMessage? {
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guard let callMessage = proto.callMessage else { return nil }
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let callID: UInt64
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let kind: Kind
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if let offer = callMessage.offer {
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guard let opaque = offer.opaque else { return nil }
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callID = offer.id
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let callType = CallType.from(offer.type)
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kind = .offer(opaque: opaque, callType: callType)
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} else if let answer = callMessage.answer {
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guard let opaque = answer.opaque else { return nil }
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callID = answer.id
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kind = .answer(opaque: opaque)
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} else if !callMessage.iceUpdate.isEmpty {
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callID = callMessage.iceUpdate.first!.id // TODO: Is this how it's supposed to work?
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kind = .iceUpdate(candidates: callMessage.iceUpdate.compactMap { $0.opaque }) // Should never contain entries with a `nil` `opaque`
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} else if let hangup = callMessage.hangup {
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callID = hangup.id
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let type = HangupType.from(hangup.type)
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kind = .hangup(type: type)
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} else if let busy = callMessage.busy {
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callID = busy.id
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kind = .busy
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} else {
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return nil
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}
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return IndividualCallMessage(callID: callID, kind: kind)
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}
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public override func toProto(using transaction: YapDatabaseReadWriteTransaction) -> SNProtoContent? {
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return nil
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}
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// MARK: Description
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public override var description: String {
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"""
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IndividualCallMessage(
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)
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"""
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}
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}
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