| | | 1 | | using System.Collections.Generic; |
| | | 2 | | using System.Linq; |
| | | 3 | | using System.Threading; |
| | | 4 | | using System.Threading.Tasks; |
| | | 5 | | using Itinero.Network; |
| | | 6 | | |
| | | 7 | | namespace Itinero.Data.Usage; |
| | | 8 | | |
| | | 9 | | /// <summary> |
| | | 10 | | /// Notifies listeners about data use in a router db. |
| | | 11 | | /// </summary> |
| | | 12 | | public class DataUseNotifier |
| | | 13 | | { |
| | 405 | 14 | | private readonly HashSet<IDataUseListener> _listeners = new(); |
| | | 15 | | |
| | | 16 | | /// <summary> |
| | | 17 | | /// Adds a new listener. |
| | | 18 | | /// </summary> |
| | | 19 | | /// <param name="listener">The new listener.</param> |
| | | 20 | | public void AddListener(IDataUseListener listener) |
| | 0 | 21 | | { |
| | 0 | 22 | | _listeners.Add(listener); |
| | 0 | 23 | | } |
| | | 24 | | |
| | | 25 | | internal IEnumerable<IDataUseListener> RegisteredListeners |
| | | 26 | | { |
| | | 27 | | get |
| | 169 | 28 | | { |
| | 169 | 29 | | return _listeners.ToList(); |
| | 169 | 30 | | } |
| | | 31 | | } |
| | | 32 | | |
| | | 33 | | /// <summary> |
| | | 34 | | /// Returns true if all listeners report the vertex data is ready (no async work needed). |
| | | 35 | | /// </summary> |
| | | 36 | | internal bool IsVertexDataReady(RoutingNetwork network, VertexId vertex) |
| | 302330 | 37 | | { |
| | 906990 | 38 | | foreach (var listener in _listeners) |
| | 0 | 39 | | { |
| | 0 | 40 | | if (!listener.IsVertexDataReady(network, vertex)) |
| | 0 | 41 | | { |
| | 0 | 42 | | return false; |
| | | 43 | | } |
| | 0 | 44 | | } |
| | | 45 | | |
| | 302330 | 46 | | return true; |
| | 302330 | 47 | | } |
| | | 48 | | |
| | | 49 | | internal async Task NotifyVertex(RoutingNetwork network, VertexId vertex, CancellationToken cancellationToken = defa |
| | 7 | 50 | | { |
| | 21 | 51 | | foreach (var listener in _listeners) |
| | 0 | 52 | | { |
| | 0 | 53 | | await listener.VertexTouched(network, vertex, cancellationToken); |
| | 0 | 54 | | } |
| | 7 | 55 | | } |
| | | 56 | | |
| | | 57 | | internal async Task NotifyBox(RoutingNetwork network, |
| | | 58 | | ((double longitude, double latitude, float? e) topLeft, (double longitude, double latitude, float? e) |
| | | 59 | | bottomRight) box, CancellationToken cancellationToken = default) |
| | 2162 | 60 | | { |
| | 6486 | 61 | | foreach (var listener in _listeners) |
| | 0 | 62 | | { |
| | 0 | 63 | | await listener.BoxTouched(network, box, cancellationToken); |
| | 0 | 64 | | } |
| | 2162 | 65 | | } |
| | | 66 | | } |