From d7c395c9bc88b576405acdeffb91cac9a4a20257 Mon Sep 17 00:00:00 2001
From: Dmitry Yunitsky <yunik@mapswithme.com>
Date: Mon, 24 Aug 2015 16:33:10 +0300
Subject: [PATCH] [android] Check location before building route.

---
 .../src/com/mapswithme/maps/LocationState.java    |  8 ++++++++
 .../com/mapswithme/maps/widget/RoutingLayout.java | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/android/src/com/mapswithme/maps/LocationState.java b/android/src/com/mapswithme/maps/LocationState.java
index 95ba14e1af..f2563baca8 100644
--- a/android/src/com/mapswithme/maps/LocationState.java
+++ b/android/src/com/mapswithme/maps/LocationState.java
@@ -34,4 +34,12 @@ public enum LocationState
   public native void turnOff();
 
   public native void invalidatePosition();
+
+  /**
+   * Checks if location state on the map is active (so its not turned off or pending).
+   */
+  public static boolean isTurnedOn()
+  {
+    return INSTANCE.getLocationStateMode() > PENDING_POSITION;
+  }
 }
diff --git a/android/src/com/mapswithme/maps/widget/RoutingLayout.java b/android/src/com/mapswithme/maps/widget/RoutingLayout.java
index ef45f44d2f..252602c1f8 100644
--- a/android/src/com/mapswithme/maps/widget/RoutingLayout.java
+++ b/android/src/com/mapswithme/maps/widget/RoutingLayout.java
@@ -20,12 +20,14 @@ import android.widget.RadioButton;
 import android.widget.TextView;
 
 import com.mapswithme.maps.Framework;
+import com.mapswithme.maps.LocationState;
 import com.mapswithme.maps.MwmApplication;
 import com.mapswithme.maps.R;
 import com.mapswithme.maps.bookmarks.data.DistanceAndAzimut;
 import com.mapswithme.maps.bookmarks.data.MapObject;
 import com.mapswithme.maps.location.LocationHelper;
 import com.mapswithme.maps.routing.RoutingInfo;
+import com.mapswithme.maps.routing.RoutingResultCodesProcessor;
 import com.mapswithme.util.UiUtils;
 import com.mapswithme.util.statistics.AlohaHelper;
 
@@ -342,6 +344,12 @@ public class RoutingLayout extends FrameLayout implements CompoundButton.OnCheck
       return;
     }
 
+    if (!LocationState.isTurnedOn())
+    {
+      onMissingLocation();
+      return;
+    }
+
     Location location = LocationHelper.INSTANCE.getLastLocation();
     Framework.nativeBuildRoute(location.getLatitude(), location.getLongitude(), mEndPoint.getLat(), mEndPoint.getLon());
   }
@@ -371,6 +379,13 @@ public class RoutingLayout extends FrameLayout implements CompoundButton.OnCheck
         .show();
   }
 
+  private void onMissingLocation()
+  {
+    Context context = getContext();
+    if (context instanceof Framework.RoutingListener)
+      ((Framework.RoutingListener) context).onRoutingEvent(RoutingResultCodesProcessor.NO_POSITION, null);
+  }
+
   @Override
   protected Parcelable onSaveInstanceState()
   {