Added the tunnel warnings

OsmAnd-java/src/net/osmand/binary/BinaryMapRouteReaderAdapter.java

@@ -52,6 +52,7 @@ public class BinaryMapRouteReaderAdapter {
 		public final static int TRAFFIC_SIGNALS = 6;
 		public final static int RAILWAY_CROSSING = 7;
 		private final static int LANES = 8;
+		private static final int TUNNEL = 9;
 		private final String t;
 		private final String v;
 		private int intValue;
@@ -201,6 +202,8 @@ public class BinaryMapRouteReaderAdapter {
 				if (i > 0) {
 					intValue = Integer.parseInt(v.substring(0, i));
 				}
+			} else if (t.equalsIgnoreCase("tunnel") && v != null) {
+				type = TUNNEL;
 			}
 		}
 	}

OsmAnd/res/values/strings.xml

@@ -1702,7 +1702,7 @@
     <string name="poi_filter_for_tourists">For tourists</string>
     <string name="poi_filter_fuel">Fuel</string>
     <string name="show_warnings_title">Show alerts…</string>
-    <string name="show_warnings_descr">Configure traffic warnings (speed limits, forced stops, speed bumps), speed camera warnings, and lane information.</string>
+    <string name="show_warnings_descr">Configure traffic warnings (speed limits, forced stops, speed bumps, tunnels), speed camera warnings, and lane information.</string>
     <string name="use_compass_navigation_descr">Use the compass when no heading is detected otherwise.</string>
     <string name="use_compass_navigation">Use compass</string>
     <string name="avoid_motorway">Avoid motorways</string>
@@ -2859,4 +2859,6 @@
     <string name="nautical_renderer">Nautical</string>
     <string name="copy_location_name">Copy Point/POI name</string>
     <string name="toast_empty_name_error">Location has no name</string>
+    <string name="tunnel_warning">Tunnel ahead</string>
+    <string name="show_tunnels">Tunnels</string>
 </resources>

OsmAnd/src/net/osmand/plus/OsmandSettings.java

@@ -1070,6 +1070,12 @@ public class OsmandSettings {
 		SHOW_PEDESTRIAN.setModeDefaultValue(ApplicationMode.CAR, true);
 	}
 
+	public final CommonPreference<Boolean> SHOW_TUNNELS = new BooleanPreference("show_tunnels", false).makeProfile().cache();
+
+	{
+		SHOW_TUNNELS.setModeDefaultValue(ApplicationMode.CAR, true);
+	}
+
 	public final OsmandPreference<Boolean> SHOW_CAMERAS = new BooleanPreference("show_cameras", false).makeProfile().cache();
 	public final CommonPreference<Boolean> SHOW_LANES = new BooleanPreference("show_lanes", false).makeProfile().cache();
 

OsmAnd/src/net/osmand/plus/activities/SettingsNavigationActivity.java

@@ -630,8 +630,8 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 			return true;
 		} else if (preference == showAlarms) {
 			showBooleanSettings(new String[] { getString(R.string.show_traffic_warnings), getString(R.string.show_pedestrian_warnings),
-					getString(R.string.show_cameras), getString(R.string.show_lanes) }, new OsmandPreference[] { settings.SHOW_TRAFFIC_WARNINGS,
+					getString(R.string.show_cameras), getString(R.string.show_lanes), getString(R.string.show_tunnels) }, new OsmandPreference[] { settings.SHOW_TRAFFIC_WARNINGS,
-					settings.SHOW_PEDESTRIAN, settings.SHOW_CAMERAS, settings.SHOW_LANES }, preference.getTitle());
+					settings.SHOW_PEDESTRIAN, settings.SHOW_CAMERAS, settings.SHOW_LANES, settings.SHOW_TUNNELS }, preference.getTitle());
 			return true;
 		} else if (preference == speakAlarms) {
 			AlertDialog dlg = showBooleanSettings(new String[] { getString(R.string.speak_street_names),

OsmAnd/src/net/osmand/plus/helpers/WaypointHelper.java

@@ -16,6 +16,7 @@ import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.IconsCache;
 import net.osmand.plus.OsmAndFormatter;
 import net.osmand.plus.OsmandApplication;
+import net.osmand.plus.OsmandSettings;
 import net.osmand.plus.OsmandSettings.MetricsConstants;
 import net.osmand.plus.R;
 import net.osmand.plus.TargetPointsHelper.TargetPoint;
@@ -27,6 +28,7 @@ import net.osmand.plus.routing.AlarmInfo;
 import net.osmand.plus.routing.AlarmInfo.AlarmInfoType;
 import net.osmand.plus.routing.RouteCalculationResult;
 import net.osmand.plus.routing.VoiceRouter;
+import net.osmand.router.RouteSegmentResult;
 import net.osmand.util.MapUtils;
 
 import java.util.ArrayList;
@@ -178,6 +180,7 @@ public class WaypointHelper {
 		}
 		AlarmInfo mostImportant = speedAlarm;
 		int value = speedAlarm != null ? speedAlarm.updateDistanceAndGetPriority(0, 0) : Integer.MAX_VALUE;
+		float speed = lastProjection != null && lastProjection.hasSpeed() ? lastProjection.getSpeed() : 0;
 		if (ALARMS < pointsProgress.size()) {
 			int kIterator = pointsProgress.get(ALARMS);
 			List<LocationPointWrapper> lp = locationPoints.get(ALARMS);
@@ -191,7 +194,6 @@ public class WaypointHelper {
 						break;
 					}
 					AlarmInfo inf = (AlarmInfo) lwp.point;
-					float speed = lastProjection != null && lastProjection.hasSpeed() ? lastProjection.getSpeed() : 0;
 					float time = speed > 0 ? d / speed : Integer.MAX_VALUE;
 					int vl = inf.updateDistanceAndGetPriority(time, d);
 					if (vl < value && (showCameras || inf.getType() != AlarmInfoType.SPEED_CAMERA)) {
@@ -202,9 +204,32 @@ public class WaypointHelper {
 				kIterator++;
 			}
 		}
+		List<RouteSegmentResult> segments = route.getUpcomingTunnel(500);
+		if (segments != null && !segments.isEmpty()) {
+			AlarmInfo inf = new AlarmInfo(AlarmInfoType.TUNNEL, 0);
+			int d = route.getDistanceToPoint(segments.get(0).getStartPointIndex());
+			float time = speed > 0 ? d / speed : Integer.MAX_VALUE;
+			inf.setFloatValue(calculateDistance(segments, mc));
+			int vl = inf.updateDistanceAndGetPriority(time, d);
+			if (vl < value && (showCameras || inf.getType() != AlarmInfoType.SPEED_CAMERA)) {
+				mostImportant = inf;
+			}
+		}
 		return mostImportant;
 	}
 
+	private float calculateDistance(List<RouteSegmentResult> segments, MetricsConstants mc) {
+		float sum = 0f;
+		for (RouteSegmentResult r : segments) {
+			sum += r.getDistance();
+		}
+		if (mc == MetricsConstants.KILOMETERS_AND_METERS) {
+			return sum / 1000f;
+		} else {
+			return sum * 0.00062137f;
+		}
+	}
+
 	public void enableWaypointType(int type, boolean enable) {
 		//An item will be displayed in the Waypoint list if either "Show..." or "Announce..." is selected for it in the Navigation settings
 		//Keep both "Show..." and "Announce..." Nav settings in sync when user changes what to display in the Waypoint list, as follows:

OsmAnd/src/net/osmand/plus/routing/AlarmInfo.java

@@ -18,7 +18,8 @@ public class AlarmInfo implements LocationPoint {
 		STOP(7, R.string.traffic_warning_stop),
 		PEDESTRIAN(8, R.string.traffic_warning_pedestrian),
 		HAZARD(9, R.string.traffic_warning_hazard),
-		MAXIMUM(10, R.string.traffic_warning);
+		MAXIMUM(10, R.string.traffic_warning),
+		TUNNEL(8, R.string.tunnel_warning);
 		
 		private int priority;
 		private int string;
@@ -41,6 +42,7 @@ public class AlarmInfo implements LocationPoint {
 	private AlarmInfoType type;
 	protected final int locationIndex;
 	private int intValue;
+	private float floatValue;
 	private double latitude;
 	private double longitude;
 	
@@ -54,6 +56,14 @@ public class AlarmInfo implements LocationPoint {
 		return type;
 	}
 
+	public float getFloatValue() {
+		return floatValue;
+	}
+
+	public void setFloatValue(float floatValue) {
+		this.floatValue = floatValue;
+	}
+	
 	@Override
 	public double getLatitude() {
 		return latitude;

OsmAnd/src/net/osmand/plus/views/mapwidgets/RouteInfoWidgetsFactory.java

@@ -17,6 +17,7 @@ import android.hardware.GeomagneticField;
 import android.os.BatteryManager;
 import android.support.annotation.NonNull;
 import android.text.format.DateFormat;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
@@ -55,6 +56,7 @@ import net.osmand.router.RouteResultPreparation;
 import net.osmand.router.TurnType;
 import net.osmand.util.Algorithms;
 
+import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -1214,6 +1216,7 @@ public class RouteInfoWidgetsFactory {
 			boolean trafficWarnings = settings.SHOW_TRAFFIC_WARNINGS.get();
 			boolean cams = settings.SHOW_CAMERAS.get();
 			boolean peds = settings.SHOW_PEDESTRIAN.get();
+			boolean tunnels = settings.SHOW_TUNNELS.get();
 			boolean visible = false;
 			if ((rh.isFollowingMode() || trackingUtilities.isMapLinkedToLocation())
 					&& (trafficWarnings || cams)) {
@@ -1271,6 +1274,15 @@ public class RouteInfoWidgetsFactory {
 						} else {
 							locimgId = R.drawable.warnings_pedestrian;
 						}
+					} else if(alarm.getType() == AlarmInfoType.TUNNEL) {
+						DecimalFormat df = new DecimalFormat("0.#");
+						if(settings.DRIVING_REGION.get().americanSigns){
+							locimgId = R.drawable.warnings_tunnel_us;
+							text = df.format(alarm.getFloatValue()) +" mi";
+						} else {
+							locimgId = R.drawable.warnings_tunnel;
+							text = df.format(alarm.getFloatValue()) +" km";
+						}
 					} else {
 						text = null;
 					}
@@ -1280,7 +1292,10 @@ public class RouteInfoWidgetsFactory {
 							visible = cams;
 						} else if (alarm.getType() == AlarmInfoType.PEDESTRIAN) {
 							visible = peds;
-						} else {
+						} else if (alarm.getType() == AlarmInfoType.TUNNEL) {
+							visible = tunnels;
+						}
+						else {
 							visible = trafficWarnings;
 						}
 					}