LocationWindowBuildingExample.swift

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/**
 * Building and BuildingListener usage example for Swift (outdoor / multi-building camera focus).
 */
class LocationWindowBuildingExample {
 
    private var locationWindow: NCLocationWindow?
    private var buildingListener: DemoBuildingListener?
 
    init() {
        demonstrateBuildingListenerRegistration()
    }
 
    private func demonstrateBuildingListenerRegistration() {
        guard let locationWindow = locationWindow else {
            print("LocationWindow not available yet")
            return
        }
 
        let listener = DemoBuildingListener()
        buildingListener = listener
 
        // [swift_LocationWindow_addBuildingListener]
        locationWindow.addBuildingListener(listener)
        print("Added building listener")
        // [swift_LocationWindow_addBuildingListener]
 
        // [swift_LocationWindow_removeBuildingListener]
        locationWindow.removeBuildingListener(listener)
        print("Removed building listener")
        // [swift_LocationWindow_removeBuildingListener]
    }
}
 
class DemoBuildingListener: NSObject, BuildingListener {
 
    // [swift_BuildingListener_onActiveBuildingFocused]
    func onActiveBuildingFocused(_ activeBuilding: Building) {
        // [swift_Building_getSublocations]
        let floors = activeBuilding.getSublocations()
        print("Focused building, floor count: \‍(floors.count)")
        // [swift_Building_getSublocations]
 
        // [swift_Building_getActiveSublocationId]
        let activeFloorId = activeBuilding.getActiveSublocationId()
        print("Active sublocation id: \‍(activeFloorId)")
        // [swift_Building_getActiveSublocationId]
 
        // [swift_Building_setActiveSublocationId]
        activeBuilding.setActiveSublocationId(activeFloorId)
        // [swift_Building_setActiveSublocationId]
    }
    // [swift_BuildingListener_onActiveBuildingFocused]
 
    // [swift_BuildingListener_onActiveBuildingLeft]
    func onActiveBuildingLeft() {
        print("Camera left all building areas")
    }
    // [swift_BuildingListener_onActiveBuildingLeft]
 
    // [swift_BuildingListener_onActiveSublocationChanged]
    func onActiveSublocationChanged(_ activeSublocationId: Int32) {
        print("Active floor changed to sublocation id: \‍(activeSublocationId)")
    }
    // [swift_BuildingListener_onActiveSublocationChanged]
}