Add alert

Telegram/Telegram-iOS/en.lproj/Localizable.strings

@@ -5977,3 +5977,11 @@ Sorry for the inconvenience.";
 "ChannelInfo.CreateVoiceChat" = "Create Voice Chat";
 
 "VoiceChat.AnonymousDisabledAlertText" = "Sorry, you can't join voice chat as an anonymous admin.";
+
+"VoiceChat.EndConfirmationTitle" = "End voice chat";
+"VoiceChat.EndConfirmationText" = "Are you sure you want to end this voice chat?";
+"VoiceChat.EndConfirmationEnd" = "End";
+
+"CHAT_VOICECHAT_START" = "%1$@ has started voice chat in the group %2$@";
+"CHAT_VOICECHAT_INVITE" = "%1$@ has invited %3$@ in the group %2$@";
+"CHAT_VOICECHAT_INVITE_YOU" = "%1$@ has invited you to voice chat in the group %1$@";

submodules/TelegramCallsUI/BUILD

@@ -35,6 +35,7 @@ swift_library(
         "//submodules/UndoUI:UndoUI",
         "//submodules/AudioBlob:AudioBlob",
         "//submodules/AnimatedAvatarSetNode:AnimatedAvatarSetNode",
+        "//submodules/AlertUI:AlertUI",
     ],
     visibility = [
         "//visibility:public",

submodules/TelegramCallsUI/Sources/VoiceChatController.swift

@@ -18,6 +18,8 @@ import ContextUI
 import ShareController
 import DeleteChatPeerActionSheetItem
 import UndoUI
+import AlertUI
+import PresentationDataUtils
 
 private final class VoiceChatControllerTitleView: UIView {
     private var theme: PresentationTheme
@@ -690,12 +692,24 @@ public final class VoiceChatController: ViewController {
                         guard let strongSelf = self else {
                             return
                         }
-                        let _ = (strongSelf.call.leave(terminateIfPossible: true)
+                        
-                        |> filter { $0 }
+                        let action: () -> Void = {
-                        |> take(1)
+                            guard let strongSelf = self else {
-                        |> deliverOnMainQueue).start(completed: {
+                                return
-                            self?.controller?.dismiss()
+                            }
-                        })
+                            
+                            let _ = (strongSelf.call.leave(terminateIfPossible: true)
+                            |> filter { $0 }
+                            |> take(1)
+                            |> deliverOnMainQueue).start(completed: {
+                                self?.controller?.dismiss()
+                            })
+                        }
+                        
+                        let alert = textAlertController(context: strongSelf.context, title: strongSelf.presentationData.strings.VoiceChat_EndConfirmationTitle, text: strongSelf.presentationData.strings.VoiceChat_EndConfirmationText, actions: [TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .genericAction, title: strongSelf.presentationData.strings.VoiceChat_EndConfirmationEnd, action: {
+                            action()
+                        })])
+                        strongSelf.controller?.present(alert, in: .window(.root))
                     })))
                 }