Import of the watch repository from Pebble

tests/fakes/fake_property_animation.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "applib/ui/property_animation_private.h"
+#include "applib/ui/layer.h"
+
+static const PropertyAnimationImplementation s_frame_layer_implementation = {
+  .accessors = {
+    .setter.grect = (const GRectSetter)layer_set_frame_by_value,
+    .getter.grect = (const GRectGetter)layer_get_frame_by_value,
+  },
+};
+
+PropertyAnimation *WEAK property_animation_create_layer_frame(
+    struct Layer *layer, GRect *from_frame, GRect *to_frame) {
+  PropertyAnimationPrivate *animation = (PropertyAnimationPrivate *)
+      property_animation_create(&s_frame_layer_implementation, layer, from_frame, to_frame);
+  if (from_frame) {
+    animation->values.from.grect = *from_frame;
+    PropertyAnimationImplementation *impl =
+        (PropertyAnimationImplementation *)animation->animation.implementation;
+    impl->accessors.setter.grect(animation->subject, animation->values.from.grect);
+  }
+  if (to_frame) {
+    animation->values.to.grect = *to_frame;
+  }
+  return (PropertyAnimation *)animation;
+}
+