refs #6779: mobile SDK style transition options

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

@@ -166,6 +166,52 @@ void onUpdate() {
 
   // Style
 
+  /**
+   * <p>
+   * Get the animation duration for style changes.
+   * </p>
+   * The default value is zero (instant change).
+   *
+   * @return Duration in seconds
+   */
+  @UiThread
+  public long getTransitionDuration() {
+    return nativeMapView.getTransitionDuration();
+  }
+
+  /**
+   * Set the animation duration for style changes.
+   *
+   * @param duration Duration in seconds
+   */
+  @UiThread
+  public void setTransitionDuration(long duration) {
+    nativeMapView.setTransitionDuration(duration);
+  }
+
+  /**
+   * <p>
+   * Get the animation delay for style changes.
+   * </p>
+   * The default value is zero (instant change).
+   *
+   * @return Delay in seconds
+   */
+  @UiThread
+  public long getTransitionDelay() {
+    return nativeMapView.getTransitionDelay();
+  }
+
+  /**
+   * Set the animation delay for style changes.
+   *
+   * @param delay Delay in seconds
+   */
+  @UiThread
+  public void setTransitionDelay(long delay) {
+    nativeMapView.setTransitionDelay(delay);
+  }
+
   @Nullable
   @UiThread
   public Layer getLayer(@NonNull String layerId) {

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

@@ -767,6 +767,22 @@ public double[] getCameraValues() {
 
   // Runtime style Api
 
+  public long getTransitionDuration() {
+    return nativeGetTransitionDuration(nativeMapViewPtr);
+  }
+
+  public void setTransitionDuration(long duration) {
+    nativeSetTransitionDuration(nativeMapViewPtr, duration);
+  }
+
+  public long getTransitionDelay() {
+    return nativeGetTransitionDelay(nativeMapViewPtr);
+  }
+
+  public void setTransitionDelay(long delay) {
+    nativeSetTransitionDelay(nativeMapViewPtr, delay);
+  }
+
   public Layer getLayer(String layerId) {
     if (isDestroyedOn("getLayer")) {
       return null;
@@ -1098,6 +1114,14 @@ private native void nativeFlyTo(long nativeMapViewPtr, double angle, double lati
 
   private native double[] nativeGetCameraValues(long nativeMapViewPtr);
 
+  private native long nativeGetTransitionDuration(long nativeMapViewPtr);
+
+  private native void nativeSetTransitionDuration(long nativeMapViewPtr, long duration);
+
+  private native long nativeGetTransitionDelay(long nativeMapViewPtr);
+
+  private native void nativeSetTransitionDelay(long nativeMapViewPtr, long delay);
+
   private native Layer nativeGetLayer(long nativeMapViewPtr, String layerId);
 
   private native void nativeAddLayer(long nativeMapViewPtr, long layerPtr, String before);

platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java

@@ -239,6 +239,8 @@ private void setBackgroundOpacity() {
   private void setWaterColor() {
     Layer water = mapboxMap.getLayer("water");
     if (water != null) {
+      mapboxMap.setTransitionDuration(5);
+      mapboxMap.setTransitionDelay(1);
       water.setProperties(
         visibility(VISIBLE),
         fillColor(Color.RED)

platform/android/checkstyle.xml

@@ -19,7 +19,10 @@
         <!-- <module name="NewlineAtEndOfFile">
         <property name="lineSeparator" value="lf" />
     </module> -->
-    <module name="FileLength"/>
+    <module name="FileLength">
+        <property name="max" value="2042"/>
+    </module>
+
     <module name="FileTabCharacter"/>
 
     <!-- Trailing spaces -->

platform/android/src/jni.cpp

@@ -1082,6 +1082,48 @@ void nativeFlyTo(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr, jdouble
     nativeMapView->getMap().flyTo(cameraOptions, animationOptions);
 }
 
+jlong nativeGetTransitionDuration(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr) {
+    assert(env);
+    assert(nativeMapViewPtr != 0);
+
+    NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
+
+    const auto transitionOptions = nativeMapView->getMap().getTransitionOptions();
+    return transitionOptions.duration.value_or(mbgl::Duration::zero()).count();
+}
+
+void nativeSetTransitionDuration(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr, jlong duration) {
+    assert(env);
+    assert(nativeMapViewPtr != 0);
+
+    NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
+
+    auto transitionOptions = nativeMapView->getMap().getTransitionOptions();
+    transitionOptions.duration = std::chrono::duration_cast<mbgl::Duration>(std::chrono::duration<jlong>(duration));
+    nativeMapView->getMap().setTransitionOptions(transitionOptions);
+}
+
+jlong nativeGetTransitionDelay(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr) {
+    assert(env);
+    assert(nativeMapViewPtr != 0);
+
+    NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
+
+    const auto transitionOptions = nativeMapView->getMap().getTransitionOptions();
+    return transitionOptions.delay.value_or(mbgl::Duration::zero()).count();
+}
+
+void nativeSetTransitionDelay(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr, jlong delay) {
+    assert(env);
+    assert(nativeMapViewPtr != 0);
+
+    NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
+
+    auto transitionOptions = nativeMapView->getMap().getTransitionOptions();
+    transitionOptions.delay = std::chrono::duration_cast<mbgl::Duration>(std::chrono::duration<jlong>(delay));
+    nativeMapView->getMap().setTransitionOptions(transitionOptions);
+}
+
 jni::jobject* nativeGetLayer(JNIEnv *env, jni::jobject* obj, jlong nativeMapViewPtr, jni::jstring* layerId) {
     assert(env);
     assert(nativeMapViewPtr != 0);
@@ -1876,6 +1918,10 @@ void registerNatives(JavaVM *vm) {
         MAKE_NATIVE_METHOD(nativeJumpTo, "(JDDDDD)V"),
         MAKE_NATIVE_METHOD(nativeEaseTo, "(JDDDJDDZ)V"),
         MAKE_NATIVE_METHOD(nativeFlyTo, "(JDDDJDD)V"),
+        MAKE_NATIVE_METHOD(nativeGetTransitionDuration, "(J)J"),
+        MAKE_NATIVE_METHOD(nativeSetTransitionDuration, "(JJ)V"),
+        MAKE_NATIVE_METHOD(nativeGetTransitionDelay, "(J)J"),
+        MAKE_NATIVE_METHOD(nativeSetTransitionDelay, "(JJ)V"),
         MAKE_NATIVE_METHOD(nativeGetLayer, "(JLjava/lang/String;)Lcom/mapbox/mapboxsdk/style/layers/Layer;"),
         MAKE_NATIVE_METHOD(nativeAddLayer, "(JJLjava/lang/String;)V"),
         MAKE_NATIVE_METHOD(nativeRemoveLayerById, "(JLjava/lang/String;)V"),

platform/darwin/src/MGLStyle.h

@@ -442,6 +442,18 @@ MGL_EXPORT
  */
 - (void)removeImageForName:(NSString *)name;
 
+#pragma mark Managing a Style’s Transition Options
+
+/**
+ Animation duration for style changes. Defaults to zero (instant change).
+ */
+@property (nonatomic) NSTimeInterval transitionDuration;
+
+/**
+ Animation delay for style changes. Defaults to zero (instant change).
+ */
+@property (nonatomic) NSTimeInterval transitionDelay;
+
 @end
 
 NS_ASSUME_NONNULL_END

platform/darwin/src/MGLStyle.mm

@@ -502,7 +502,7 @@ - (void)setStyleClasses:(NS_ARRAY_OF(NSString *) *)appliedClasses transitionDura
         newAppliedClasses.push_back([appliedClass UTF8String]);
     }
 
-    mbgl::style::TransitionOptions transition { { MGLDurationInSeconds(transitionDuration) } };
+    mbgl::style::TransitionOptions transition { { MGLDurationInSecondsFromTimeInterval(transitionDuration) } };
     self.mapView.mbglMap->setTransitionOptions(transition);
     self.mapView.mbglMap->setClasses(newAppliedClasses);
 }
@@ -570,6 +570,34 @@ - (MGLImage *)imageForName:(NSString *)name
     return spriteImage ? [[MGLImage alloc] initWithMGLSpriteImage:spriteImage] : nil;
 }
 
+#pragma mark Style transitions
+
+- (void)setTransitionDuration:(NSTimeInterval)duration
+{
+    auto transitionOptions = self.mapView.mbglMap->getTransitionOptions();
+    transitionOptions.duration = MGLDurationInSecondsFromTimeInterval(duration);
+    self.mapView.mbglMap->setTransitionOptions(transitionOptions);
+}
+
+- (NSTimeInterval)transitionDuration
+{
+    const mbgl::style::TransitionOptions transitionOptions = self.mapView.mbglMap->getTransitionOptions();
+    return MGLTimeIntervalFromDurationInSeconds(transitionOptions.duration.value_or(mbgl::Duration::zero()));
+}
+
+- (void)setTransitionDelay:(NSTimeInterval)delay
+{
+    auto transitionOptions = self.mapView.mbglMap->getTransitionOptions();
+    transitionOptions.delay = MGLDurationInSecondsFromTimeInterval(delay);
+    self.mapView.mbglMap->setTransitionOptions(transitionOptions);
+}
+
+- (NSTimeInterval)transitionDelay
+{
+    const mbgl::style::TransitionOptions transitionOptions = self.mapView.mbglMap->getTransitionOptions();
+    return MGLTimeIntervalFromDurationInSeconds(transitionOptions.delay.value_or(mbgl::Duration::zero()));
+}
+
 - (NSString *)description
 {
     return [NSString stringWithFormat:@"<%@: %p; name = %@, URL = %@>",

platform/darwin/src/NSDate+MGLAdditions.h

@@ -5,6 +5,9 @@
 @interface NSDate (MGLAdditions)
 
 /// Converts from a duration in seconds to a duration object usable in mbgl.
-mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration);
+mbgl::Duration MGLDurationInSecondsFromTimeInterval(NSTimeInterval duration);
+
+/// Converts from an mbgl duration object to a duration in seconds.
+NSTimeInterval MGLTimeIntervalFromDurationInSeconds(mbgl::Duration duration);
 
 @end

platform/darwin/src/NSDate+MGLAdditions.mm

@@ -2,9 +2,14 @@
 
 @implementation NSDate (MGLAdditions)
 
-mbgl::Duration MGLDurationInSeconds(NSTimeInterval duration)
+mbgl::Duration MGLDurationInSecondsFromTimeInterval(NSTimeInterval duration)
 {
     return std::chrono::duration_cast<mbgl::Duration>(std::chrono::duration<NSTimeInterval>(duration));
 }
 
+NSTimeInterval MGLTimeIntervalFromDurationInSeconds(mbgl::Duration duration)
+{
+    return duration.count();
+}
+
 @end

platform/ios/app/MBXViewController.m

@@ -819,6 +819,8 @@ - (void)styleSymbolLayer
 
 - (void)styleBuildingLayer
 {
+    self.mapView.style.transitionDuration = 5;
+    self.mapView.style.transitionDelay = 1;
     MGLFillStyleLayer *buildingLayer = (MGLFillStyleLayer *)[self.mapView.style layerWithIdentifier:@"building"];
     buildingLayer.fillColor = [MGLStyleValue<UIColor *> valueWithRawValue:[UIColor blackColor]];
 }

platform/ios/src/MGLMapView.mm

@@ -1226,7 +1226,7 @@ - (void)handlePanGesture:(UIPanGestureRecognizer *)pan
         if (drift)
         {
             CGPoint offset = CGPointMake(velocity.x * self.decelerationRate / 4, velocity.y * self.decelerationRate / 4);
-            _mbglMap->moveBy({ offset.x, offset.y }, MGLDurationInSeconds(self.decelerationRate));
+            _mbglMap->moveBy({ offset.x, offset.y }, MGLDurationInSecondsFromTimeInterval(self.decelerationRate));
         }
 
         [self notifyGestureDidEndWithDrift:drift];
@@ -1316,7 +1316,7 @@ - (void)handlePinchGesture:(UIPinchGestureRecognizer *)pinch
 
         if (velocity && duration)
         {
-            _mbglMap->setScale(newScale, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationInSeconds(duration));
+            _mbglMap->setScale(newScale, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationInSecondsFromTimeInterval(duration));
         }
 
         [self notifyGestureDidEndWithDrift:velocity && duration];
@@ -1375,7 +1375,7 @@ - (void)handleRotateGesture:(UIRotationGestureRecognizer *)rotate
             CGFloat newRadians = radians + velocity * decelerationRate * 0.1;
             CGFloat newDegrees = MGLDegreesFromRadians(newRadians) * -1;
 
-            _mbglMap->setBearing(newDegrees, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationInSeconds(decelerationRate));
+            _mbglMap->setBearing(newDegrees, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y }, MGLDurationInSecondsFromTimeInterval(decelerationRate));
 
             [self notifyGestureDidEndWithDrift:YES];
 
@@ -1504,7 +1504,7 @@ - (void)handleDoubleTapGesture:(UITapGestureRecognizer *)doubleTap
         CGPoint gesturePoint = [self anchorPointForGesture:doubleTap];
 
         mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y);
-        _mbglMap->scaleBy(2, center, MGLDurationInSeconds(MGLAnimationDuration));
+        _mbglMap->scaleBy(2, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration));
 
         __weak MGLMapView *weakSelf = self;
 
@@ -1532,7 +1532,7 @@ - (void)handleTwoFingerTapGesture:(UITapGestureRecognizer *)twoFingerTap
         CGPoint gesturePoint = [self anchorPointForGesture:twoFingerTap];
 
         mbgl::ScreenCoordinate center(gesturePoint.x, gesturePoint.y);
-        _mbglMap->scaleBy(0.5, center, MGLDurationInSeconds(MGLAnimationDuration));
+        _mbglMap->scaleBy(0.5, center, MGLDurationInSecondsFromTimeInterval(MGLAnimationDuration));
 
         __weak MGLMapView *weakSelf = self;
 
@@ -2288,7 +2288,7 @@ - (void)_setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate edgePaddin
     mbgl::AnimationOptions animationOptions;
     if (duration)
     {
-        animationOptions.duration.emplace(MGLDurationInSeconds(duration));
+        animationOptions.duration.emplace(MGLDurationInSecondsFromTimeInterval(duration));
         animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
     }
     if (completion)
@@ -2329,7 +2329,7 @@ - (void)setZoomLevel:(double)zoomLevel animated:(BOOL)animated
 
     _mbglMap->setZoom(zoomLevel,
                       MGLEdgeInsetsFromNSEdgeInsets(self.contentInset),
-                      MGLDurationInSeconds(duration));
+                      MGLDurationInSecondsFromTimeInterval(duration));
 }
 
 - (void)setMinimumZoomLevel:(double)minimumZoomLevel
@@ -2441,7 +2441,7 @@ - (void)_setVisibleCoordinates:(const CLLocationCoordinate2D *)coordinates count
     mbgl::AnimationOptions animationOptions;
     if (duration > 0)
     {
-        animationOptions.duration.emplace(MGLDurationInSeconds(duration));
+        animationOptions.duration.emplace(MGLDurationInSecondsFromTimeInterval(duration));
         animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
     }
     if (completion)
@@ -2489,13 +2489,13 @@ - (void)_setDirection:(CLLocationDirection)direction animated:(BOOL)animated
     {
         _mbglMap->setBearing(direction,
                              MGLEdgeInsetsFromNSEdgeInsets(self.contentInset),
-                             MGLDurationInSeconds(duration));
+                             MGLDurationInSecondsFromTimeInterval(duration));
     }
     else
     {
         CGPoint centerPoint = self.userLocationAnnotationViewCenter;
         _mbglMap->setBearing(direction, mbgl::ScreenCoordinate { centerPoint.x, centerPoint.y },
-                             MGLDurationInSeconds(duration));
+                             MGLDurationInSecondsFromTimeInterval(duration));
     }
 }
 
@@ -2548,7 +2548,7 @@ - (void)setCamera:(MGLMapCamera *)camera withDuration:(NSTimeInterval)duration a
     mbgl::AnimationOptions animationOptions;
     if (duration > 0)
     {
-        animationOptions.duration.emplace(MGLDurationInSeconds(duration));
+        animationOptions.duration.emplace(MGLDurationInSecondsFromTimeInterval(duration));
         animationOptions.easing.emplace(MGLUnitBezierForMediaTimingFunction(function));
     }
     if (completion)
@@ -2594,7 +2594,7 @@ - (void)_flyToCamera:(MGLMapCamera *)camera edgePadding:(UIEdgeInsets)insets wit
     mbgl::AnimationOptions animationOptions;
     if (duration >= 0)
     {
-        animationOptions.duration = MGLDurationInSeconds(duration);
+        animationOptions.duration = MGLDurationInSecondsFromTimeInterval(duration);
     }
     if (peakAltitude >= 0)
     {

platform/macos/app/MapDocument.m

@@ -683,6 +683,9 @@ - (void)handlePressGesture:(NSPressGestureRecognizer *)gestureRecognizer {
 }
 
 - (IBAction)manipulateStyle:(id)sender {
+    self.mapView.style.transitionDuration = 5;
+    self.mapView.style.transitionDelay = 1;
+
     MGLFillStyleLayer *fillStyleLayer = (MGLFillStyleLayer *)[self.mapView.style layerWithIdentifier:@"water"];
 
     MGLStyleValue *colorFunction = [MGLStyleValue<NSColor *> valueWithStops:@{