private async void MainMap_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
GeoboundingBox bounds;
try
{
var downloader = new Windows.Networking.BackgroundTransfer.BackgroundDownloader();
bounds = new GeoboundingBox(MainMap.TopLeft, MainMap.BottomRight);
}
catch (Exception) { return; }
long lm = DateTime.Now.Ticks;
LastMove = lm;
await Task.Delay(50);
if (LastMove == lm)
{
if (MainMap.ZoomLevel < MainMap.StopVisibilityThreshold)
{
return;
}
try
{
AddStopsInBounds(bounds, false);
}
catch (TaskCanceledException) { }
}
}
private void MapCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
var bounds = sender.GetBounds();
_busSwarm.SetViewRegion(bounds);
_busStops.SetViewRegion(bounds);
}
private void OnMapCameraChanged(MapControl mapControl, MapActualCameraChangedEventArgs args)
{
if (this.isDragging)
{
// Reset the map center to the stored center value.
// This prevents the map from panning when we drag across it.
this.map.Center = this.center;
}
}
private void Map_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
var buttons = new Dictionary <Point, Button>();
foreach (var child in Map.Children)
{
var btn = child as Button;
Point point;
try
{
point = btn.TransformToVisual(Map).TransformPoint(new Point());
}
catch (Exception)
{
return;
}
if (point.X > 0 && point.X <= Map.ActualWidth &&
point.Y > 0 && point.Y <= Map.ActualHeight)
{
btn.IsTabStop = true;
buttons.Add(point, btn);
}
else
{
btn.IsTabStop = false;
}
}
Button previosBtn = null;
var orderedButtons = buttons.OrderBy(b => b.Key.X);
foreach (var point in orderedButtons)
{
var button = point.Value;
button.XYFocusUp = button;
button.XYFocusRight = button;
button.XYFocusLeft = previosBtn != null ? previosBtn : button;
button.XYFocusDown = MainControlsViewOldAdventuresButton;
if (previosBtn != null)
{
previosBtn.XYFocusRight = button;
}
previosBtn = button;
}
if (orderedButtons.Count() > 1)
{
orderedButtons.Last().Value.XYFocusRight = orderedButtons.First().Value;
orderedButtons.First().Value.XYFocusLeft = orderedButtons.Last().Value;
}
}
private void Control_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
// This
if (_xamarinMap.OnRegionChanged != null)
{
_xamarinMap.OnRegionChanged();
}
// or this
MessagingCenter.Send <object>(this, "RegionChanged");
}
private void OnActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
var camera = args.Camera;
var pos = new CameraPosition(
camera.Location.Position.ToPosition(),
sender.ZoomLevel,
camera.Heading,
camera.Pitch);
Map?.SendCameraChanged(pos);
}
private void MapMain_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
// Stop following the user if he changed the view
if (MapState != MapPositionState.None && args.ChangeReason == MapCameraChangeReason.UserInteraction &&
Math.Abs(args.Camera.Location.Position.Latitude - CurrentPosition.Point.Position.Latitude) > 0.0000001 &&
Math.Abs(args.Camera.Location.Position.Longitude - CurrentPosition.Point.Position.Longitude) > 0.0000001)
{
MapState = MapPositionState.None;
}
// Stop rotating the map if the user rotates
if (MapState == MapPositionState.FollowAndRotate && args.ChangeReason == MapCameraChangeReason.UserInteraction &&
Math.Abs(args.Camera.Heading - CurrentHeading.HeadingTrueNorth.Value) > 0.0000001)
{
MapState = MapPositionState.None;
}
}
private async void MapCameraChanged(MapControl mapControl, MapActualCameraChangedEventArgs args)
{
var currentTime = DateTime.Now;
var timeElapsed = currentTime - _bboxFiringTime;
if (timeElapsed.TotalSeconds > 1)
{
_bboxFiringTime = currentTime;
}
else
{
return;
}
var boundingBox = GetBoundingBox();
var searchByBboxResult = await Requests.GetLocationByBBox(boundingBox);
SearchByBBoxTaskCompletion(searchByBboxResult);
}
private void MapMain_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
// Stop following the user if he changed the view
if (MapState != MapPositionState.None && args.ChangeReason == MapCameraChangeReason.UserInteraction &&
Math.Abs(args.Camera.Location.Position.Latitude - CurrentPosition.Point.Position.Latitude) > 0.0000001 &&
Math.Abs(args.Camera.Location.Position.Longitude - CurrentPosition.Point.Position.Longitude) > 0.0000001)
MapState = MapPositionState.None;
// Stop rotating the map if the user rotates
if (MapState == MapPositionState.FollowAndRotate && args.ChangeReason == MapCameraChangeReason.UserInteraction &&
Math.Abs(args.Camera.Heading - CurrentHeading.HeadingTrueNorth.Value) > 0.0000001)
MapState = MapPositionState.None;
}
// TODO WORKARROUND for Xamarin.Forms.GoogleMaps's event CameraIdled doesn't work
private void NativeMap_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
_map?.SendCameraIdled(new CameraPosition(args.Camera.Location.Position.ToPosition(), sender.ZoomLevel));
}
private async void MainMap_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
GeoboundingBox bounds;
try
{
bounds = new GeoboundingBox(MainMap.TopLeft, MainMap.BottomRight);
}
catch (Exception) { return; }
long lm = DateTime.Now.Ticks;
LastMove = lm;
await Task.Delay(50);
if (LastMove == lm)
{
if (MainMap.ZoomLevel < MainMap.StopVisibilityThreshold) return;
try
{
AddStopsInBounds(bounds);
}
catch (TaskCanceledException) { }
}
}
private void MapControl_ActualCameraChanged(MapControl sender, MapActualCameraChangedEventArgs args)
{
com.codename1.googlemaps.MapContainer.fireMapChangeEvent(mapId, (int)mapControl.ZoomLevel, mapControl.Center.Position.Latitude, mapControl.Center.Position.Longitude);
}
MapCameraChangeReason IMapActualCameraChangedEventArgsResolver.ChangeReason(MapActualCameraChangedEventArgs e) => e.ChangeReason;
MapCamera IMapActualCameraChangedEventArgsResolver.Camera(MapActualCameraChangedEventArgs e) => e.Camera;
/// <summary> /// Indicates the reason the <see cref="MapControl.ActualCameraChanged"/> event was triggered. /// </summary> /// <param name="e">The requested <see cref="MapActualCameraChangedEventArgs"/>.</param> /// <returns>The reason the <see cref="MapControl.ActualCameraChanged"/> event was triggered.</returns> public static MapCameraChangeReason ChangeReason(this MapActualCameraChangedEventArgs e) => Resolver.ChangeReason(e);
/// <summary> /// Gets the current position of the map's camera. /// </summary> /// <param name="e">The requested <see cref="MapActualCameraChangedEventArgs"/>.</param> /// <returns>The current position of the map's camera.</returns> public static MapCamera Camera(this MapActualCameraChangedEventArgs e) => Resolver.Camera(e);