Public functions for case user integrate with existing map

lib-compose/src/main/java/com/what3words/components/compose/maps/W3WMapManager.kt

@@ -379,7 +379,7 @@ class W3WMapManager(
      *
      * @param newCameraState The new camera state to set.
      */
-    internal suspend fun updateCameraState(newCameraState: W3WCameraState<*>) = withContext(IO) {
+    suspend fun updateCameraState(newCameraState: W3WCameraState<*>) = withContext(IO) {
         _mapState.update {
             it.copy(
                 cameraState = newCameraState,
@@ -1846,7 +1846,7 @@ class W3WMapManager(
      *
      * @param textDataSource The text data source implementation to use for API calls.
      */
-    internal fun setTextDataSource(textDataSource: W3WTextDataSource) {
+    fun setTextDataSource(textDataSource: W3WTextDataSource) {
         this.textDataSource = textDataSource
     }
 

lib-compose/src/main/java/com/what3words/components/compose/maps/providers/googlemap/W3WGoogleMap.kt

@@ -159,7 +159,7 @@ fun W3WGoogleMap(
  * @param gridLinesConfig Configuration for the grid lines, including scale factor
  * @param onCameraBoundUpdate Callback that receives the calculated grid bounds and visible bounds
  */
-private suspend fun updateCameraBound(
+suspend fun updateCameraBound(
     projection: Projection,
     gridLinesConfig: W3WMapDefaults.GridLinesConfig,
     onCameraBoundUpdate: (gridBound: W3WRectangle, visibleBound: W3WRectangle) -> Unit

lib-compose/src/main/java/com/what3words/components/compose/maps/providers/googlemap/W3WGoogleMapDrawer.kt

@@ -375,7 +375,7 @@ fun W3WGoogleMapDrawMarkers(
 ) {
     val drawZoomIn = remember(zoomLevel) {
         derivedStateOf {
-            zoomLevel > zoomSwitchLevel && zoomLevel >= MIN_SUPPORT_GRID_ZOOM_LEVEL_GOOGLE
+            zoomLevel >= zoomSwitchLevel && zoomLevel >= MIN_SUPPORT_GRID_ZOOM_LEVEL_GOOGLE
         }
     }
 

lib-compose/src/main/java/com/what3words/components/compose/maps/providers/mapbox/W3WMapBox.kt

@@ -270,7 +270,7 @@ fun W3WMapBox(
  *                           The grid bound is scaled according to the configuration, while the visible bound
  *                           represents the actual visible area on the map.
  */
-private fun updateGridBound(
+fun updateGridBound(
     mapboxMap: MapboxMap,
     gridLinesConfig: W3WMapDefaults.GridLinesConfig,
     onCameraBoundUpdate: (gridBound: W3WRectangle, visibleBound: W3WRectangle) -> Unit,

lib-compose/src/main/java/com/what3words/components/compose/maps/providers/mapbox/W3WMapBoxDrawers.kt

@@ -285,7 +285,7 @@ fun W3WMapBoxDrawMarkers(
 ) {
     val drawZoomIn = remember(zoomLevel) {
         derivedStateOf {
-            zoomLevel > zoomSwitchLevel && zoomLevel >= MIN_SUPPORT_GRID_ZOOM_LEVEL_MAP_BOX
+            zoomLevel >= zoomSwitchLevel && zoomLevel >= MIN_SUPPORT_GRID_ZOOM_LEVEL_MAP_BOX
         }
     }
 

lib-compose/src/main/java/com/what3words/components/compose/maps/state/camera/W3WCameraState.kt

@@ -18,7 +18,7 @@ import com.what3words.core.types.geometry.W3WRectangle
 @Immutable
 interface W3WCameraState<T> {
 
-    val cameraState: T
+    var cameraState: T
 
     var gridBound: W3WRectangle?
 

lib-compose/src/main/java/com/what3words/components/compose/maps/state/camera/W3WGoogleCameraState.kt

@@ -35,7 +35,7 @@ class W3WGoogleCameraState(initialCameraState: CameraPositionState) :
         const val MY_LOCATION_ZOOM = 20f
     }
 
-    override val cameraState: CameraPositionState by mutableStateOf(initialCameraState)
+    override var cameraState: CameraPositionState by mutableStateOf(initialCameraState)
 
     override var gridBound: W3WRectangle? by mutableStateOf(null)
 
@@ -74,18 +74,20 @@ class W3WGoogleCameraState(initialCameraState: CameraPositionState) :
     override suspend fun moveToPosition(
         listLatLng: List<W3WCoordinates>,
     ) {
-        val latLngBounds = LatLngBounds.Builder()
-        listLatLng.forEach {
-            latLngBounds.include(LatLng(it.lat, it.lng))
-        }
+        if (listLatLng.isNotEmpty()) {
+            val latLngBounds = LatLngBounds.Builder()
+            listLatLng.forEach {
+                latLngBounds.include(LatLng(it.lat, it.lng))
+            }
 
-        withContext(Main) {
-            cameraState.animate(
-                update =
-                    CameraUpdateFactory.newLatLngBounds(
-                        latLngBounds.build(), 10
-                    )
-            )
+            withContext(Main) {
+                cameraState.animate(
+                    update =
+                        CameraUpdateFactory.newLatLngBounds(
+                            latLngBounds.build(), 10
+                        )
+                )
+            }
         }
     }
 

lib-compose/src/main/java/com/what3words/components/compose/maps/state/camera/W3WMapboxCameraState.kt

@@ -32,7 +32,7 @@ class W3WMapboxCameraState(initialCameraState: MapViewportState) :
         const val MY_LOCATION_ZOOM = 20.0
     }
 
-    override val cameraState: MapViewportState by mutableStateOf(initialCameraState)
+    override var cameraState: MapViewportState by mutableStateOf(initialCameraState)
 
     override var gridBound: W3WRectangle? by mutableStateOf(null)