1 files changed, 92 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/MapboxAnimator.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/MapboxAnimator.java
new file mode 100644
index 0000000000..a72bf08a86
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/MapboxAnimator.java
@@ -0,0 +1,92 @@
+package com.mapbox.mapboxsdk.location;
+
+import android.animation.TypeEvaluator;
+import android.animation.ValueAnimator;
+import android.support.annotation.IntDef;
+
+import com.mapbox.mapboxsdk.geometry.LatLng;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.List;
+
+/**
+ * Abstract class for all of the location component animators.
+ *
+ * @param <K> Data type that will be animated.
+ * @param <L> Listener of animation updates.
+ */
+abstract class MapboxAnimator<K, L> extends ValueAnimator implements ValueAnimator.AnimatorUpdateListener {
+  @Retention(RetentionPolicy.SOURCE)
+  @IntDef( {
+    ANIMATOR_LAYER_LATLNG,
+    ANIMATOR_CAMERA_LATLNG,
+    ANIMATOR_LAYER_GPS_BEARING,
+    ANIMATOR_LAYER_COMPASS_BEARING,
+    ANIMATOR_CAMERA_GPS_BEARING,
+    ANIMATOR_CAMERA_COMPASS_BEARING,
+    ANIMATOR_LAYER_ACCURACY,
+    ANIMATOR_ZOOM,
+    ANIMATOR_TILT
+  })
+  @interface Type {
+  }
+
+  static final int ANIMATOR_LAYER_LATLNG = 0;
+  static final int ANIMATOR_CAMERA_LATLNG = 1;
+  static final int ANIMATOR_LAYER_GPS_BEARING = 2;
+  static final int ANIMATOR_LAYER_COMPASS_BEARING = 3;
+  static final int ANIMATOR_CAMERA_GPS_BEARING = 4;
+  static final int ANIMATOR_CAMERA_COMPASS_BEARING = 5;
+  static final int ANIMATOR_LAYER_ACCURACY = 6;
+  static final int ANIMATOR_ZOOM = 7;
+  static final int ANIMATOR_TILT = 8;
+
+  private final int animatorType = provideAnimatorType();
+  final List<L> updateListeners;
+  private final K target;
+
+  MapboxAnimator(K previous, K target, List<L> updateListeners) {
+    setObjectValues(previous, target);
+    setEvaluator(provideEvaluator());
+    this.updateListeners = updateListeners;
+    this.target = target;
+    addUpdateListener(this);
+  }
+
+  K getTarget() {
+    return target;
+  }
+
+  @Type
+  int getAnimatorType() {
+    return animatorType;
+  }
+
+  @Type
+  abstract int provideAnimatorType();
+
+  abstract TypeEvaluator provideEvaluator();
+
+  interface OnLayerAnimationsValuesChangeListener {
+    void onNewLatLngValue(LatLng latLng);
+
+    void onNewGpsBearingValue(float gpsBearing);
+
+    void onNewCompassBearingValue(float compassBearing);
+
+    void onNewAccuracyRadiusValue(float accuracyRadiusValue);
+  }
+
+  interface OnCameraAnimationsValuesChangeListener {
+    void onNewLatLngValue(LatLng latLng);
+
+    void onNewGpsBearingValue(float gpsBearing);
+
+    void onNewCompassBearingValue(float compassBearing);
+
+    void onNewZoomValue(float zoom);
+
+    void onNewTiltValue(float tilt);
+  }
+}