Add option to remove animated bounds changes

Sources/Public/Animation/LottieAnimationView.swift

@@ -103,7 +103,8 @@ open class LottieAnimationView: LottieAnimationViewBase {
     textProvider: AnimationKeypathTextProvider = DefaultTextProvider(),
     fontProvider: AnimationFontProvider = DefaultFontProvider(),
     configuration: LottieConfiguration = .shared,
-    logger: LottieLogger = .shared)
+    logger: LottieLogger = .shared,
+    animatesLayoutWithinCurrentContext: Bool = true)
   {
     lottieAnimationLayer = LottieAnimationLayer(
       animation: animation,
@@ -113,6 +114,7 @@ open class LottieAnimationView: LottieAnimationViewBase {
       configuration: configuration,
       logger: logger)
     self.logger = logger
+    self.animatesLayoutWithinCurrentContext = animatesLayoutWithinCurrentContext
     super.init(frame: .zero)
     commonInit()
     if let animation = animation {
@@ -127,7 +129,8 @@ open class LottieAnimationView: LottieAnimationViewBase {
     textProvider: AnimationKeypathTextProvider = DefaultTextProvider(),
     fontProvider: AnimationFontProvider = DefaultFontProvider(),
     configuration: LottieConfiguration = .shared,
-    logger: LottieLogger = .shared)
+    logger: LottieLogger = .shared,
+    animatesLayoutWithinCurrentContext: Bool = true)
   {
     lottieAnimationLayer = LottieAnimationLayer(
       dotLottie: dotLottie,
@@ -137,6 +140,7 @@ open class LottieAnimationView: LottieAnimationViewBase {
       configuration: configuration,
       logger: logger)
     self.logger = logger
+    self.animatesLayoutWithinCurrentContext = animatesLayoutWithinCurrentContext
     super.init(frame: .zero)
     commonInit()
     if let animation = animation {
@@ -146,10 +150,12 @@ open class LottieAnimationView: LottieAnimationViewBase {
 
   public init(
     configuration: LottieConfiguration = .shared,
-    logger: LottieLogger = .shared)
+    logger: LottieLogger = .shared,
+    animatesLayoutWithinCurrentContext: Bool = true)
   {
     lottieAnimationLayer = LottieAnimationLayer(configuration: configuration, logger: logger)
     self.logger = logger
+    self.animatesLayoutWithinCurrentContext = animatesLayoutWithinCurrentContext
     super.init(frame: .zero)
     commonInit()
   }
@@ -163,6 +169,7 @@ open class LottieAnimationView: LottieAnimationViewBase {
       configuration: .shared,
       logger: .shared)
     logger = .shared
+    animatesLayoutWithinCurrentContext = true
     super.init(frame: frame)
     commonInit()
   }
@@ -176,6 +183,7 @@ open class LottieAnimationView: LottieAnimationViewBase {
       configuration: .shared,
       logger: .shared)
     logger = .shared
+    animatesLayoutWithinCurrentContext = true
     super.init(coder: aDecoder)
     commonInit()
   }
@@ -186,7 +194,8 @@ open class LottieAnimationView: LottieAnimationViewBase {
     textProvider: AnimationKeypathTextProvider = DefaultTextProvider(),
     fontProvider: AnimationFontProvider = DefaultFontProvider(),
     configuration: LottieConfiguration = .shared,
-    logger: LottieLogger = .shared)
+    logger: LottieLogger = .shared,
+    animatesLayoutWithinCurrentContext: Bool = true)
   {
     switch animationSource {
     case .lottieAnimation(let animation):
@@ -196,15 +205,17 @@ open class LottieAnimationView: LottieAnimationViewBase {
         textProvider: textProvider,
         fontProvider: fontProvider,
         configuration: configuration,
-        logger: logger)
+        logger: logger,
+        animatesLayoutWithinCurrentContext: animatesLayoutWithinCurrentContext)
 
     case .dotLottieFile(let dotLottieFile):
       self.init(
         dotLottie: dotLottieFile,
         textProvider: textProvider,
         fontProvider: fontProvider,
         configuration: configuration,
-        logger: logger)
+        logger: logger,
+        animatesLayoutWithinCurrentContext: animatesLayoutWithinCurrentContext)
 
     case nil:
       self.init(
@@ -213,7 +224,8 @@ open class LottieAnimationView: LottieAnimationViewBase {
         textProvider: textProvider,
         fontProvider: fontProvider,
         configuration: configuration,
-        logger: logger)
+        logger: logger,
+        animatesLayoutWithinCurrentContext: animatesLayoutWithinCurrentContext)
     }
   }
 
@@ -599,6 +611,13 @@ open class LottieAnimationView: LottieAnimationViewBase {
     set { lottieAnimationLayer.mainThreadRenderingEngineShouldForceDisplayUpdateOnEachFrame = newValue }
   }
 
+  /// Whether or not transform and position changes of the view should animate alongside
+  /// any existing animation context.
+  ///  - Defaults to `true` which will grab the current animation context and animate position and
+  ///    transform changes matching the current context's curve and duration.
+  ///    `false` will cause transform and position changes to happen unanimated
+  public var animatesLayoutWithinCurrentContext: Bool
+
   /// Sets the lottie file backing the animation view. Setting this will clear the
   /// view's contents, completion blocks and current state. The new animation will
   /// be loaded up and set to the beginning of its timeline.
@@ -933,7 +952,11 @@ open class LottieAnimationView: LottieAnimationViewBase {
     // If layout is changed without animation, explicitly set animation duration to 0.0
     // inside CATransaction to avoid unwanted artifacts.
     /// Check if any animation exist on the view's layer, and match it.
-    if let key = lottieAnimationLayer.animationKeys()?.first, let animation = lottieAnimationLayer.animation(forKey: key) {
+    if
+      let key = lottieAnimationLayer.animationKeys()?.first,
+      let animation = lottieAnimationLayer.animation(forKey: key),
+      animatesLayoutWithinCurrentContext
+    {
       // The layout is happening within an animation block. Grab the animation data.
 
       let positionKey = "LayoutPositionAnimation"