RoomVC: Handle live location banner display on user location status change.

Riot/Modules/Room/RoomViewController.h

@@ -31,6 +31,7 @@
 @class UniversalLinkParameters;
 @protocol RoomViewControllerDelegate;
 @class RoomDisplayConfiguration;
+@class LiveLocationSharingBannerView;
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -89,6 +90,16 @@ extern NSNotificationName const RoomGroupCallTileTappedNotification;
  */
 @property (nonatomic, nullable) NSString *parentSpaceId;
 
+
+/// Handles all banners that should be displayed at the top of the timeline but that should not scroll with the timeline
+@property (weak, nonatomic, nullable) IBOutlet UIStackView *topBannersStackView;
+
+/// Indicate YES to show live location sharing banner
+@property (nonatomic, readonly) BOOL shouldShowLiveLocationSharingBannerView;
+
+/// Displayed live location sharing banner if any
+@property (nonatomic, weak) LiveLocationSharingBannerView *liveLocationSharingBannerView;
+
 /**
  Display the preview of a room that is unknown for the user.