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Improve accuracy ring update checks

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This commit is contained in:
Jason Wray
2015-08-10 14:14:58 -04:00
parent 26d300b4f4
commit dc11b8132b
1 changed files with 2 additions and 8 deletions
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10
platform/ios/MGLUserLocationAnnotationView.m
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@@ -119,16 +119,10 @@ const CGFloat MGLUserLocationAnnotationHaloSize = 115.0;
_oldHeadingAccuracy = self.annotation.heading.headingAccuracy;
}
// update accuracy ring
// update accuracy ring (if zoom or horizontal accuracy have changed)
//
if (_accuracyRingLayer)
if (_accuracyRingLayer && (_oldZoom != self.mapView.zoomLevel || _oldHorizontalAccuracy != self.annotation.location.horizontalAccuracy))
{
// FIX: This stops EVERYTHING... and that isn't necessarily necessary, now is it?
if (_oldZoom == self.mapView.zoomLevel && _oldHorizontalAccuracy == self.annotation.location.horizontalAccuracy)
{
return;
}
CGFloat accuracyRingSize = [self calculateAccuracyRingSize];
// only show the accuracy ring if it won't be obscured by the location dot