diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponentPositionManager.java')
-rw-r--r-- | platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponentPositionManager.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponentPositionManager.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponentPositionManager.java new file mode 100644 index 0000000000..f2e4d0bb41 --- /dev/null +++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponentPositionManager.java @@ -0,0 +1,48 @@ +package com.mapbox.mapboxsdk.location; + +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; + +import com.mapbox.mapboxsdk.maps.Style; +import com.mapbox.mapboxsdk.style.layers.Layer; + +class LocationComponentPositionManager { + + @NonNull + private final Style style; + + @Nullable + private String layerAbove; + + @Nullable + private String layerBelow; + + LocationComponentPositionManager(@NonNull Style style, @Nullable String layerAbove, @Nullable String layerBelow) { + this.style = style; + this.layerAbove = layerAbove; + this.layerBelow = layerBelow; + } + + /** + * Returns true whenever layer above/below configuration has changed and requires re-layout. + */ + boolean update(@Nullable String layerAbove, @Nullable String layerBelow) { + boolean requiresUpdate = + !(this.layerAbove == layerAbove || (this.layerAbove != null && this.layerAbove.equals(layerAbove))) + || !(this.layerBelow == layerBelow || (this.layerBelow != null && this.layerBelow.equals(layerBelow))); + + this.layerAbove = layerAbove; + this.layerBelow = layerBelow; + return requiresUpdate; + } + + void addLayerToMap(@NonNull Layer layer) { + if (layerAbove != null) { + style.addLayerAbove(layer, layerAbove); + } else if (layerBelow != null) { + style.addLayerBelow(layer, layerBelow); + } else { + style.addLayer(layer); + } + } +} |