internal void RemoveEvents(UnifiedMap map)
{
MessagingCenter.Unsubscribe <UnifiedMap, Tuple <MapRegion, bool> >(this, UnifiedMap.MessageMapMoveToRegion);
RemovePinEvents();
RemoveOverlayEvents();
}
internal void RegisterEvents(UnifiedMap map)
{
RegisterPinEvents(map);
RegisterOverlayEvents(map);
MessagingCenter.Subscribe <UnifiedMap, Tuple <MapRegion, bool> >(this, UnifiedMap.MessageMapMoveToRegion,
(unifiedMap, span) => MoveToRegion(span.Item1, span.Item2));
}
internal void RemoveEvents(UnifiedMap map)
{
MessagingCenter.Unsubscribe <UnifiedMap, Tuple <MapRegion, bool> >(this, map.GetMoveToRegionMessage());
MessagingCenter.Unsubscribe <UnifiedMap, bool>(this, map.GetMoveToUserLocationMessage());
RemovePinEvents();
RemoveOverlayEvents();
}
internal void RegisterEvents(UnifiedMap map)
{
RegisterPinEvents(map);
RegisterOverlayEvents(map);
MessagingCenter.Subscribe <UnifiedMap, Tuple <MapRegion, bool> >(this, map.GetMoveToRegionMessage(),
(unifiedMap, span) => MoveToRegion(span.Item1, span.Item2));
MessagingCenter.Subscribe <UnifiedMap, bool>(this, map.GetMoveToUserLocationMessage(),
(unifiedMap, animated) => MoveToUserLocation(animated));
}
internal void RegisterOverlayEvents(UnifiedMap map)
{
var overlaysObservable = map.Overlays as INotifyCollectionChanged;
if (overlaysObservable != null && overlaysObservable != _observableOverlays)
{
if (_observableOverlays != null)
{
_observableOverlays.CollectionChanged -= OnOverlaysCollectionChanged;
}
overlaysObservable.CollectionChanged += OnOverlaysCollectionChanged;
_observableOverlays = overlaysObservable;
}
}
internal void RegisterPinEvents(UnifiedMap map)
{
var pinsObservable = map.Pins as INotifyCollectionChanged;
if (pinsObservable != null && pinsObservable != _observablePins)
{
if (_observablePins != null)
{
_observablePins.CollectionChanged -= OnPinsCollectionChanged;
}
pinsObservable.CollectionChanged += OnPinsCollectionChanged;
_observablePins = pinsObservable;
}
}
internal static string GetMoveToUserLocationMessage(this UnifiedMap map)
{
return($"{MessageMapMoveToUserLocation}-{map.GetHashCode()}");
}
internal void RemoveEvents(UnifiedMap map)
{
MessagingCenter.Unsubscribe<UnifiedMap, Tuple<MapRegion, bool>>(this, UnifiedMap.MessageMapMoveToRegion);
RemovePinEvents();
RemoveOverlayEvents();
}
internal void RegisterPinEvents(UnifiedMap map)
{
var pinsObservable = map.Pins as INotifyCollectionChanged;
if (pinsObservable != null && pinsObservable != _observablePins)
{
if (_observablePins != null)
{
_observablePins.CollectionChanged -= OnPinsCollectionChanged;
}
pinsObservable.CollectionChanged += OnPinsCollectionChanged;
_observablePins = pinsObservable;
}
}
internal void RegisterOverlayEvents(UnifiedMap map)
{
var overlaysObservable = map.Overlays as INotifyCollectionChanged;
if (overlaysObservable != null && overlaysObservable != _observableOverlays)
{
if (_observableOverlays != null)
{
_observableOverlays.CollectionChanged -= OnOverlaysCollectionChanged;
}
overlaysObservable.CollectionChanged += OnOverlaysCollectionChanged;
_observableOverlays = overlaysObservable;
}
}
internal void RegisterEvents(UnifiedMap map)
{
RegisterPinEvents(map);
RegisterOverlayEvents(map);
MessagingCenter.Subscribe<UnifiedMap, Tuple<MapRegion, bool>>(this, UnifiedMap.MessageMapMoveToRegion,
(unifiedMap, span) => MoveToRegion(span.Item1, span.Item2));
}
