Ask user permission for smart address book

Classes/LinphoneManager.m

@@ -1452,8 +1452,18 @@ void popup_link_account_cb(LinphoneAccountCreator *creator, LinphoneAccountCreat
 	linphone_core_cbs_set_conference_state_changed(cbs, linphone_iphone_conference_state_changed);
 
 
+	bool reEnableRls = false;
+	if (![LinphoneManager.instance lpConfigBoolForKey:@"use_rls_presence_requested"] && [LinphoneManager.instance lpConfigBoolForKey:@"use_rls_presence"]) {
+		[LinphoneManager.instance lpConfigSetBool:false forKey:@"use_rls_presence"];
+		reEnableRls = true;
+	}
 
 	theLinphoneCore = linphone_factory_create_shared_core_with_config(factory, _configDb, NULL, [kLinphoneMsgNotificationAppGroupId UTF8String], true);
+	
+	if (bctbx_list_size(linphone_core_get_account_list(theLinphoneCore)) > 0 && reEnableRls) { // Do not request rls allowance for users who had it before.
+		[LinphoneManager.instance lpConfigSetBool:true forKey:@"use_rls_presence"];
+	}
+	
 	linphone_core_enable_auto_iterate(theLinphoneCore, true);
 	linphone_core_set_chat_messages_aggregation_enabled(theLinphoneCore, false);
 	linphone_core_add_callbacks(theLinphoneCore, cbs);

Classes/Swift/SwiftUtil.swift

@@ -131,7 +131,42 @@ import linphonesw
 		} else {
 			Log.e("Invalid URL \(urlString)")
 		}
+	}
+	
+	@objc static func requestRLSPresenceAllowance() {
+		let rls = UIAlertController(
+			title: VoipTexts.accept_rls_title,
+			message: VoipTexts.accept_rls,
+			preferredStyle: .actionSheet)
 
+		let accept = UIAlertAction(
+			title: VoipTexts.dialog_accept,
+			style: .default,
+			handler: { action in
+				Core.get().config?.setInt(section: "app", key: "use_rls_presence", value: 1)
+				Core.get().config?.setInt(section: "app", key: "use_rls_presence_requested", value: 1)
+				Core.get().friendListSubscriptionEnabled = true
+			})
+		let refuse = UIAlertAction(
+			title: VoipTexts.dialog_later,
+			style: .default,
+			handler: { action in
+				Core.get().config?.setInt(section: "app", key: "use_rls_presence", value: 0)
+				Core.get().config?.setInt(section: "app", key: "use_rls_presence_requested", value: 1)
+				Core.get().friendListSubscriptionEnabled = false
+			})
+		let pp = UIAlertAction(
+			title: VoipTexts.dialog_privacy_policy,
+			style: .default,
+			handler: { action in
+				openUrl(urlString: "https://www.linphone.org/privacy-policy")
+			})
+
+		rls.addAction(accept)
+		rls.addAction(pp)
+		rls.addAction(refuse)
+		rls.popoverPresentationController?.sourceView = PhoneMainView.instance().mainViewController.statusBarView
+		PhoneMainView.instance()?.present(rls, animated: true)
 	}
 
 }

Classes/Swift/Voip/Theme/VoipTexts.swift

@@ -250,4 +250,11 @@ import UIKit
 	static let conference_info_confirm_removal_delete = NSLocalizedString("DELETE",comment:"")
 	static let conference_unable_to_share_via_calendar = NSLocalizedString("Unable to add event to calendar. Check permissions",comment:"")
 	static let screenshot_restrictions = NSLocalizedString("Can't take a screenshot due to app restrictions", comment: "")
+	
+	
+	@objc static let dialog_later = NSLocalizedString("Maybe later",comment:"")
+	@objc static let dialog_privacy_policy = NSLocalizedString("Privacy policy",comment:"")
+	@objc static let accept_rls_title = NSLocalizedString("Enable smart address book", comment:"")
+	@objc static let accept_rls = NSLocalizedString("To provide the best experience, your contacts phone numbers will be uploaded to our secure servers. We value your privacy, and this data will only be used as outlined in our privacy policy. You can disable this option any time in application settings",comment:"")
+
 }

Classes/Utils/FastAddressBook.m

@@ -216,7 +216,11 @@
 			BOOL success = FALSE;
 			if(granted){
 				LOGD(@"CNContactStore authorization granted");
-				
+				dispatch_async(dispatch_get_main_queue(), ^{
+					if (bctbx_list_size(linphone_core_get_account_list(LC)) == 0 && ![LinphoneManager.instance lpConfigBoolForKey:@"use_rls_presence_requested"]) {
+						[SwiftUtil requestRLSPresenceAllowance];
+					}
+				});
 				NSError *contactError;
 				CNContactStore* store = [[CNContactStore alloc] init];
 				[store containersMatchingPredicate:[CNContainer predicateForContainersWithIdentifiers:@[ store.defaultContainerIdentifier]] error:&contactError];