fix: Custom navigation events

app/src/main/java/eu/ztsh/garmin/mapbox/MapControl.kt

@@ -4,6 +4,7 @@ import android.content.res.Configuration
 import android.content.res.Resources
 import android.view.View
 import androidx.appcompat.app.AppCompatActivity
+import com.mapbox.geojson.Point
 import com.mapbox.maps.ImageHolder
 import com.mapbox.maps.plugin.LocationPuck2D
 import com.mapbox.maps.plugin.animation.camera
@@ -48,6 +49,8 @@ class MapControl(
      */
     val navigationLocationProvider = NavigationLocationProvider()
 
+    val navigationStatusControl = NavigationStatusControl()
+
     val replay = ReplayResources(this)
 
     // Observers
@@ -59,7 +62,6 @@ class MapControl(
     private lateinit var routeProgressObserver: RouteProgressObserver
     private lateinit var voiceInstructionsObserver: VoiceInstructionsObserver
     private val searchControl = SearchControl(this, ui)
-    private val navigationStateListener = NavigationStateListener()
 
     fun init() {
         viewportDataSource = MapboxNavigationViewportDataSource(ui.mapView.mapboxMap)
@@ -105,6 +107,10 @@ class MapControl(
         voiceInstructionsObserver = voiceControl.voiceInstructionsObserver
     }
 
+    fun routeToPoint(point: Point) {
+        routeControl.findRoute(point)
+    }
+
     fun initNavigation() {
         MapboxNavigationApp.setup(
             NavigationOptions.Builder(context)
@@ -135,7 +141,8 @@ class MapControl(
         mapboxNavigation.registerLocationObserver(locationObserver)
         mapboxNavigation.registerRouteProgressObserver(routeProgressObserver)
         mapboxNavigation.registerVoiceInstructionsObserver(voiceInstructionsObserver)
-        mapboxNavigation.registerNavigationSessionStateObserver(navigationStateListener)
+
+        navigationStatusControl.registerObserver(searchControl)
 
         replay.onAttached(mapboxNavigation)
     }
@@ -145,7 +152,8 @@ class MapControl(
         mapboxNavigation.unregisterLocationObserver(locationObserver)
         mapboxNavigation.unregisterRouteProgressObserver(routeProgressObserver)
         mapboxNavigation.unregisterVoiceInstructionsObserver(voiceInstructionsObserver)
-        mapboxNavigation.unregisterNavigationSessionStateObserver(navigationStateListener)
+
+        navigationStatusControl.unregisterObserver(searchControl)
 
         replay.onDetached(mapboxNavigation)
     }

app/src/main/java/eu/ztsh/garmin/mapbox/NavigationStateListener.kt

@@ -1,12 +0,0 @@
-package eu.ztsh.garmin.mapbox
-
-import com.mapbox.navigation.core.trip.session.NavigationSessionState
-import com.mapbox.navigation.core.trip.session.NavigationSessionStateObserver
-
-class NavigationStateListener: NavigationSessionStateObserver {
-
-    override fun onNavigationSessionStateChanged(navigationSession: NavigationSessionState) {
-//        TODO("Not yet implemented")
-    }
-
-}

app/src/main/java/eu/ztsh/garmin/mapbox/NavigationStatus.kt

@@ -0,0 +1,49 @@
+package eu.ztsh.garmin.mapbox
+
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.runBlocking
+import java.util.concurrent.CopyOnWriteArraySet
+import java.util.concurrent.atomic.AtomicReference
+
+class NavigationStatusControl {
+
+    private val stateObservers = CopyOnWriteArraySet<NavigationStatusObserver>()
+    private val current = AtomicReference(NavigationStatus.IDLE)
+
+    fun registerObserver(observer: NavigationStatusObserver) {
+        stateObservers.add(observer)
+        observer.onNavigationStatusChanged(current.get())
+    }
+
+    fun unregisterObserver(observer: NavigationStatusObserver) {
+        stateObservers.remove(observer)
+    }
+
+    fun sendEvent(status: NavigationStatus) {
+        current.set(status)
+        stateObservers.forEach {
+            it.onNavigationStatusChanged(status)
+        }
+        if (status == NavigationStatus.FINISHED || status == NavigationStatus.CANCELED) {
+            // TODO: lifecyclescope?
+            runBlocking {
+                delay(1000)
+                sendEvent(NavigationStatus.IDLE)
+            }
+        }
+    }
+
+}
+
+enum class NavigationStatus {
+    IDLE,
+    STARTED,
+    FINISHED,
+    CANCELED
+}
+
+fun interface NavigationStatusObserver {
+
+    fun onNavigationStatusChanged(navigationStatus: NavigationStatus)
+
+}

app/src/main/java/eu/ztsh/garmin/mapbox/RouteControl.kt

@@ -3,10 +3,10 @@ package eu.ztsh.garmin.mapbox
 import android.content.Context
 import android.view.View
 import android.widget.Toast
+import androidx.lifecycle.lifecycleScope
 import com.mapbox.api.directions.v5.models.Bearing
 import com.mapbox.api.directions.v5.models.RouteOptions
 import com.mapbox.geojson.Point
-import com.mapbox.maps.plugin.gestures.gestures
 import com.mapbox.navigation.base.TimeFormat
 import com.mapbox.navigation.base.extensions.applyDefaultNavigationOptions
 import com.mapbox.navigation.base.extensions.applyLanguageAndVoiceUnitOptions
@@ -37,6 +37,10 @@ import com.mapbox.navigation.ui.maps.route.line.model.MapboxRouteLineApiOptions
 import com.mapbox.navigation.ui.maps.route.line.model.MapboxRouteLineViewOptions
 import eu.ztsh.garmin.Garmin
 import eu.ztsh.garmin.UI
+import kotlinx.coroutines.async
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 
 class RouteControl(private val mapControl: MapControl, ui: UI, private val context: Context) {
 
@@ -115,11 +119,6 @@ class RouteControl(private val mapControl: MapControl, ui: UI, private val conte
             // Ensure that the route line related layers are present before the route arrow
             routeLineView.initializeLayers(it)
 
-            // add long click listener that search for a route to the clicked destination
-//            ui.mapView.gestures.addOnMapLongClickListener { point ->
-//                findRoute(point)
-//                true
-//            }
         }
 
         // initialize view interactions
@@ -219,7 +218,7 @@ class RouteControl(private val mapControl: MapControl, ui: UI, private val conte
         }
     }
 
-    private fun findRoute(destination: Point) {
+    fun findRoute(destination: Point) {
         val originLocation = mapControl.navigationLocationProvider.lastLocation ?: return
         val originPoint = Point.fromLngLat(originLocation.longitude, originLocation.latitude)
 
@@ -284,6 +283,15 @@ class RouteControl(private val mapControl: MapControl, ui: UI, private val conte
 
         // start simulation
         mapControl.replay.startSimulation(routes.first().directionsRoute)
+
+        mapControl.context.apply {
+            lifecycleScope.launch {
+                async {
+                    delay(5000)
+                    mapControl.navigationCamera.requestNavigationCameraToFollowing()
+                }
+            }
+        }
     }
 
     private fun clearRouteAndStopNavigation() {
@@ -298,6 +306,9 @@ class RouteControl(private val mapControl: MapControl, ui: UI, private val conte
         mapControl.ui.maneuverView.visibility = View.INVISIBLE
         mapControl.ui.routeOverview.visibility = View.INVISIBLE
         mapControl.ui.tripProgressCard.visibility = View.INVISIBLE
+
+        // post custom event
+        mapControl.navigationStatusControl.sendEvent(NavigationStatus.CANCELED)
     }
 
     fun cancel() {

app/src/main/java/eu/ztsh/garmin/mapbox/SearchControl.kt

@@ -21,6 +21,7 @@ import com.mapbox.maps.plugin.annotation.annotations
 import com.mapbox.maps.plugin.annotation.generated.CircleAnnotationOptions
 import com.mapbox.maps.plugin.annotation.generated.createCircleAnnotationManager
 import com.mapbox.maps.plugin.gestures.gestures
+import com.mapbox.navigation.core.trip.session.NavigationSessionState
 import com.mapbox.search.autocomplete.PlaceAutocomplete
 import com.mapbox.search.autocomplete.PlaceAutocompleteOptions
 import com.mapbox.search.autocomplete.PlaceAutocompleteSuggestion
@@ -33,7 +34,7 @@ import eu.ztsh.garmin.R
 import eu.ztsh.garmin.UI
 import kotlinx.coroutines.launch
 
-class SearchControl(val mapControl: MapControl, val ui: UI) {
+class SearchControl(val mapControl: MapControl, val ui: UI): NavigationStatusObserver {
 
     // Set your Access Token here if it's not already set in some other way
     // MapboxOptions.accessToken = "<my-access-token>"
@@ -86,13 +87,12 @@ class SearchControl(val mapControl: MapControl, val ui: UI) {
             }
 
             addOnNavigateClickListener { searchPlace ->
-                showToast(R.string.not_implemented_yet)
-//                startActivity(geoIntent(searchPlace.coordinate))
+                mapControl.routeToPoint(searchPlace.coordinate)
+                mapControl.navigationStatusControl.sendEvent(NavigationStatus.STARTED)
             }
 
-            addOnShareClickListener { searchPlace ->
+            addOnShareClickListener { _ ->
                 showToast(R.string.not_implemented_yet)
-//                startActivity(shareIntent(searchPlace))
             }
         }
 
@@ -182,6 +182,20 @@ class SearchControl(val mapControl: MapControl, val ui: UI) {
         }
     }
 
+    override fun onNavigationStatusChanged(navigationStatus: NavigationStatus) {
+        when (navigationStatus) {
+            NavigationStatus.IDLE -> {
+                ui.queryEditText.visibility = View.VISIBLE
+            }
+            NavigationStatus.STARTED -> {
+                mapControl.navigationCamera.requestNavigationCameraToOverview()
+                closePlaceCard()
+                ui.queryEditText.visibility = View.GONE
+            }
+            else -> {}
+        }
+    }
+
     private fun showToast(@StringRes resId: Int): Unit =
         Toast.makeText(mapControl.context, resId, Toast.LENGTH_LONG).show()