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[ios] Eliminated “flashlight mode”

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Avoid resetting user tracking state when going from location or course tracking mode to heading tracking mode.

Fixes #3710.
This commit is contained in:
Minh Nguyễn
2016-01-28 16:12:11 -08:00
committed by Minh Nguyễn
parent db41391ccb
commit 8cdd02bc8f
1 changed files with 9 additions and 2 deletions
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11
platform/ios/src/MGLMapView.mm
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@@ -3064,14 +3064,15 @@ mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration)
mode = MGLUserTrackingModeNone;
}
MGLUserTrackingMode oldMode = _userTrackingMode;
_userTrackingMode = mode;
self.userTrackingState = animated ? MGLUserTrackingStatePossible : MGLUserTrackingStateChanged;
switch (_userTrackingMode)
{
case MGLUserTrackingModeNone:
{
self.userTrackingState = MGLUserTrackingStatePossible;
[self.locationManager stopUpdatingHeading];
// Immediately update the annotation view; other cases update inside
@@ -3083,6 +3084,7 @@ mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration)
case MGLUserTrackingModeFollow:
case MGLUserTrackingModeFollowWithCourse:
{
self.userTrackingState = animated ? MGLUserTrackingStatePossible : MGLUserTrackingStateChanged;
self.showsUserLocation = YES;
[self.locationManager stopUpdatingHeading];
@@ -3096,6 +3098,11 @@ mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration)
}
case MGLUserTrackingModeFollowWithHeading:
{
if (oldMode == MGLUserTrackingModeNone)
{
self.userTrackingState = animated ? MGLUserTrackingStatePossible : MGLUserTrackingStateChanged;
}
self.showsUserLocation = YES;
if (self.zoomLevel < self.currentMinimumZoom)