public static OfflinePackRegion ToFormsRegion(this MGLTilePyramidOfflineRegion region)
{
if (region == null)
{
return(null);
}
var output = new OfflinePackRegion();
output.Bounds = new Bounds(region.Bounds.sw.toFormsPosition(), region.Bounds.ne.toFormsPosition());
output.MaximumZoomLevel = region.MaximumZoomLevel;
output.MinimumZoomLevel = region.MinimumZoomLevel;
output.StyleURL = region.StyleURL?.AbsoluteString;
return(output);
}
public static OfflinePackRegion ToFormsRegion(this MGLTilePyramidOfflineRegion region)
{
if (region == null)
{
return(null);
}
var output = new OfflinePackRegion
{
Bounds = region.Bounds.ToLatLngBounds(),
MaximumZoomLevel = region.MaximumZoomLevel,
MinimumZoomLevel = region.MinimumZoomLevel,
StyleURL = region.StyleURL?.AbsoluteString
};
return(output);
}
public Task <OfflinePack> DownloadMap(OfflinePackRegion formsRegion, Dictionary <string, string> packInfo, IOfflineStorageDelegate downloadDelegate = null)
{
this.downloadDelegate = downloadDelegate;
var tsc = new TaskCompletionSource <OfflinePack>();
var region = new MGLTilePyramidOfflineRegion(
new NSUrl(formsRegion.StyleURL),
new MGLCoordinateBounds()
{
sw = TypeConverter.FromPositionToCoordinate(formsRegion.Bounds.SouthWest),
ne = TypeConverter.FromPositionToCoordinate(formsRegion.Bounds.NorthEast)
},
formsRegion.MinimumZoomLevel,
formsRegion.MaximumZoomLevel);
NSData context = null;
if (packInfo != null)
{
var keys = new List <NSString>();
var values = new List <NSString>();
foreach (string key in packInfo.Keys)
{
keys.Add((NSString)key);
values.Add((NSString)packInfo[key]);
}
var userInfo = NSDictionary.FromObjectsAndKeys(keys.ToArray(), values.ToArray());
context = NSKeyedArchiver.ArchivedDataWithRootObject(userInfo);
}
MGLOfflineStorage.SharedOfflineStorage().AddPackForRegion(region, context, (pack, error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine("Couldn't create offline pack: " + error.LocalizedFailureReason);
tsc.TrySetResult(null);
}
else
{
pack.Resume();
var formsPack = pack.ToFormsPack();
tempPacks.Add(pack.GetNativeHash(), formsPack);
tsc.TrySetResult(formsPack);
}
});
return(tsc.Task);
}
public static OfflinePackRegion ToFormsRegion(this MGLTilePyramidOfflineRegion region)
{
if (region == null)
{
return(null);
}
var output = new OfflinePackRegion();
output.Bounds = new CoordinateBounds()
{
SouthWest = TypeConverter.FromCoordinateToPosition(region.Bounds.sw),
NorthEast = TypeConverter.FromCoordinateToPosition(region.Bounds.ne),
};
output.MaximumZoomLevel = region.MaximumZoomLevel;
output.MinimumZoomLevel = region.MinimumZoomLevel;
output.StyleURL = region.StyleURL?.AbsoluteString;
return(output);
}
