[android] - Style.java

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java

@@ -76,10 +76,13 @@ public final class MapboxMap {
   @Nullable
   private MapboxMap.OnFpsChangedListener onFpsChangedListener;
 
+  private com.mapbox.mapboxsdk.maps.Style style;
+
   MapboxMap(NativeMapView map, Transform transform, UiSettings ui, Projection projection,
             OnGesturesManagerInteractionListener listener, AnnotationManager annotations,
             CameraChangeDispatcher cameraChangeDispatcher, MapChangeReceiver mapChangeReceiver) {
     this.nativeMapView = map;
+    this.style = new com.mapbox.mapboxsdk.maps.Style(nativeMapView);
     this.uiSettings = ui;
     this.projection = projection;
     this.annotationManager = annotations.bind(this);
@@ -101,6 +104,10 @@ public final class MapboxMap {
     setPrefetchesTiles(options);
   }
 
+  public com.mapbox.mapboxsdk.maps.Style getStyle(){
+    return style;
+  }
+
   /**
    * Called when the hosting Activity/Fragment onStart() method is called.
    */

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Style.java

@@ -0,0 +1,71 @@
+package com.mapbox.mapboxsdk.maps;
+
+import com.mapbox.mapboxsdk.style.layers.Layer;
+import com.mapbox.mapboxsdk.style.sources.Source;
+
+import java.util.HashMap;
+
+public class Style {
+
+  private NativeMapView nativeMapView;
+  private final HashMap<String, Source> sources = new HashMap<>();
+  private final HashMap<String, Layer> layers = new HashMap<>();
+
+  public Style(NativeMapView nativeMapView) {
+    this.nativeMapView = nativeMapView;
+  }
+
+  public void loadStyle(@com.mapbox.mapboxsdk.constants.Style.StyleUrl String styleUrl) {
+    for (Source source : sources.values()) {
+      if (source != null) {
+        source.setDetached();
+        nativeMapView.removeSource(source);
+      }
+    }
+
+    for (Layer layer : layers.values()) {
+      if (layer != null) {
+        layer.setDetached();
+        nativeMapView.removeLayer(layer);
+      }
+    }
+
+    nativeMapView.setStyleUrl(styleUrl);
+  }
+
+  //
+  // Source
+  //
+
+  public void addSource(Source source) {
+    sources.put(source.getId(), source);
+    nativeMapView.addSource(source);
+  }
+
+  public Source getSource(String id) {
+    Source source = sources.get(id);
+    if (source == null) {
+      source = nativeMapView.getSource(id);
+    }
+    return source;
+  }
+
+  //
+  // Layer
+  //
+
+  public void addLayer(Layer layer) {
+    layers.put(layer.getId(), layer);
+    nativeMapView.addLayer(layer);
+  }
+
+  public Layer getLayer(String id) {
+    Layer layer = layers.get(id);
+    if (layer == null) {
+      layer = nativeMapView.getLayer(id);
+    }
+    return layer;
+  }
+
+
+}

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/Layer.java

@@ -18,6 +18,7 @@ public abstract class Layer {
   private long nativePtr;
   @Keep
   private boolean invalidated;
+  private boolean detached;
 
   @Keep
   protected Layer(long nativePtr) {
@@ -37,6 +38,10 @@ public abstract class Layer {
   }
 
   public void setProperties(@NonNull PropertyValue<?>... properties) {
+    if (detached) {
+      return;
+    }
+
     checkThread();
     if (properties.length == 0) {
       return;
@@ -146,4 +151,12 @@ public abstract class Layer {
       return value;
     }
   }
+
+  public void setDetached() {
+    detached = true;
+  }
+
+  public boolean isDetached() {
+    return detached;
+  }
 }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/GeoJsonSource.java

@@ -194,6 +194,9 @@ public class GeoJsonSource extends Source {
    * @param feature the GeoJSON {@link Feature} to set
    */
   public void setGeoJson(Feature feature) {
+    if (detached) {
+      return;
+    }
     checkThread();
     nativeSetFeature(feature);
   }
@@ -205,6 +208,9 @@ public class GeoJsonSource extends Source {
    * @param geometry the GeoJSON {@link Geometry} to set
    */
   public void setGeoJson(Geometry geometry) {
+    if (detached) {
+      return;
+    }
     checkThread();
     nativeSetGeometry(geometry);
   }
@@ -216,6 +222,9 @@ public class GeoJsonSource extends Source {
    * @param features the GeoJSON FeatureCollection
    */
   public void setGeoJson(FeatureCollection features) {
+    if (detached) {
+      return;
+    }
     checkThread();
     nativeSetFeatureCollection(features);
   }
@@ -227,6 +236,9 @@ public class GeoJsonSource extends Source {
    * @param json the raw GeoJson FeatureCollection string
    */
   public void setGeoJson(String json) {
+    if (detached) {
+      return;
+    }
     checkThread();
     nativeSetGeoJsonString(json);
   }

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/Source.java

@@ -13,6 +13,8 @@ public abstract class Source {
   @Keep
   private long nativePtr;
 
+  protected boolean detached;
+
   /**
    * Internal use
    *
@@ -76,4 +78,8 @@ public abstract class Source {
   @NonNull
   @Keep
   protected native String nativeGetAttribution();
+
+  public void setDetached() {
+    detached = true;
+  }
 }