Refactor more modules

submodules/AccountContext/Sources/PresentationCallManager.swift

@@ -0,0 +1,52 @@
+import Foundation
+import Postbox
+import TelegramCore
+import SwiftSignalKit
+import TelegramAudio
+
+public enum RequestCallResult {
+    case requested
+    case alreadyInProgress(PeerId)
+}
+
+public enum PresentationCallState: Equatable {
+    case waiting
+    case ringing
+    case requesting(Bool)
+    case connecting(Data?)
+    case active(Double, Int32?, Data)
+    case terminating
+    case terminated(CallId?, CallSessionTerminationReason?, Bool)
+}
+
+public protocol PresentationCall: class {
+    var account: Account { get }
+    var isIntegratedWithCallKit: Bool { get }
+    var internalId: CallSessionInternalId { get }
+    var peerId: PeerId { get }
+    var isOutgoing: Bool { get }
+    var peer: Peer? { get }
+    
+    var state: Signal<PresentationCallState, NoError> { get }
+
+    var isMuted: Signal<Bool, NoError> { get }
+    
+    var audioOutputState: Signal<([AudioSessionOutput], AudioSessionOutput?), NoError> { get }
+    
+    var canBeRemoved: Signal<Bool, NoError> { get }
+    
+    func answer()
+    func hangUp() -> Signal<Bool, NoError>
+    func rejectBusy()
+    
+    func toggleIsMuted()
+    func setIsMuted(_ value: Bool)
+    func setCurrentAudioOutput(_ output: AudioSessionOutput)
+    func debugInfo() -> Signal<(String, String), NoError>
+}
+
+public protocol PresentationCallManager: class {
+    var currentCallSignal: Signal<PresentationCall?, NoError> { get }
+    
+    func requestCall(account: Account, peerId: PeerId, endCurrentIfAny: Bool) -> RequestCallResult
+}