Admin set/unset notification in conference

Classes/Swift/Voip/Theme/VoipTexts.swift

@@ -134,7 +134,8 @@ import UIKit
 	@objc static let dialog_accept = NSLocalizedString("Accept",comment:"")
 	@objc static let dialog_decline = NSLocalizedString("Decline",comment:"")
 	@objc static let conference_empty = NSLocalizedString("You are currently alone in this group call",comment:"")
-	
+	@objc static let conference_admin_set = NSLocalizedString("%s is now admin",comment:"")
+	@objc static let conference_admin_unset = NSLocalizedString("%s is no longer admin",comment:"")
 	
 	
 	// FROM ANDROID END

Classes/Swift/Voip/ViewModels/ConferenceViewModel.swift

@@ -92,6 +92,7 @@ class ConferenceViewModel {
 				self.updateParticipantsList(conference)
 				if let participantData = self.conferenceParticipants.value?.filter ({$0.participant.address!.weakEqual(address2: participant.address!)}).first {
 					self.participantAdminStatusChangedEvent.value = participantData
+					self.notifyAdminStatusChanged(participantData: participantData)
 				} else {
 					Log.w("[Conference] Failed to find participant [\(participant.address!.asStringUriOnly())] in conferenceParticipants list")
 				}
@@ -166,6 +167,13 @@ class ConferenceViewModel {
 		}
 	}
 	
+	func notifyAdminStatusChanged(participantData:ConferenceParticipantData) {
+		if let participantName = participantData.participant.address?.addressBookEnhancedDisplayName() {
+			let message = (participantData.participant.isAdmin ?	VoipTexts.conference_admin_set : VoipTexts.conference_admin_unset).replacingOccurrences(of: "%s", with: participantName)
+			VoipDialog.toast(message: message)
+		}
+	}
+	
 	func pauseConference() {
 		Log.i("[Conference] Leaving conference with address \(conference) temporarily")
 		let _ = conference.value?.leave()