Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/LegacyComponents/Sources/POPPropertyAnimation.mm

@@ -0,0 +1,105 @@
+/**
+ Copyright (c) 2014-present, Facebook, Inc.
+ All rights reserved.
+
+ This source code is licensed under the BSD-style license found in the
+ LICENSE file in the root directory of this source tree. An additional grant
+ of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import "POPPropertyAnimationInternal.h"
+
+@implementation POPPropertyAnimation
+
+#pragma mark - Lifecycle
+
+#undef __state
+#define __state ((POPPropertyAnimationState *)_state)
+
+- (void)_initState
+{
+  _state = new POPPropertyAnimationState(self);
+}
+
+#pragma mark - Properties
+
+DEFINE_RW_FLAG(POPPropertyAnimationState, additive, isAdditive, setAdditive:);
+DEFINE_RW_PROPERTY(POPPropertyAnimationState, roundingFactor, setRoundingFactor:, CGFloat);
+DEFINE_RW_PROPERTY(POPPropertyAnimationState, clampMode, setClampMode:, NSUInteger);
+DEFINE_RW_PROPERTY_OBJ(POPPropertyAnimationState, property, setProperty:, POPAnimatableProperty*, ((POPPropertyAnimationState*)_state)->updatedDynamicsThreshold(););
+DEFINE_RW_PROPERTY_OBJ_COPY(POPPropertyAnimationState, progressMarkers, setProgressMarkers:, NSArray*, ((POPPropertyAnimationState*)_state)->updatedProgressMarkers(););
+
+- (id)fromValue
+{
+  return POPBox(__state->fromVec, __state->valueType);
+}
+
+- (void)setFromValue:(id)aValue
+{
+  POPPropertyAnimationState *s = __state;
+  VectorRef vec = POPUnbox(aValue, s->valueType, s->valueCount, YES);
+  if (!vec_equal(vec, s->fromVec)) {
+    s->fromVec = vec;
+
+    if (s->tracing) {
+      [s->tracer updateFromValue:aValue];
+    }
+  }
+}
+
+- (id)toValue
+{
+  return POPBox(__state->toVec, __state->valueType);
+}
+
+- (void)setToValue:(id)aValue
+{
+  POPPropertyAnimationState *s = __state;
+  VectorRef vec = POPUnbox(aValue, s->valueType, s->valueCount, YES);
+
+  if (!vec_equal(vec, s->toVec)) {
+    s->toVec = vec;
+
+    // invalidate to dependent state
+    s->didReachToValue = false;
+    s->distanceVec = NULL;
+
+    if (s->tracing) {
+      [s->tracer updateToValue:aValue];
+    }
+
+    // automatically unpause active animations
+    if (s->active && s->paused) {
+      s->setPaused(false);
+    }
+  }
+}
+
+- (id)currentValue
+{
+  return POPBox(__state->currentValue(), __state->valueType);
+}
+
+#pragma mark - Utility
+
+- (void)_appendDescription:(NSMutableString *)s debug:(BOOL)debug
+{
+  [s appendFormat:@"; from = %@; to = %@", describe(__state->fromVec), describe(__state->toVec)];
+
+  if (_state->active)
+    [s appendFormat:@"; currentValue = %@", describe(__state->currentValue())];
+
+  if (__state->velocityVec && 0 != __state->velocityVec->norm())
+    [s appendFormat:@"; velocity = %@", describe(__state->velocityVec)];
+
+  if (!self.removedOnCompletion)
+    [s appendFormat:@"; removedOnCompletion = %@", POPStringFromBOOL(self.removedOnCompletion)];
+
+  if (__state->progressMarkers)
+    [s appendFormat:@"; progressMarkers = [%@]", [__state->progressMarkers componentsJoinedByString:@", "]];
+
+  if (_state->active)
+    [s appendFormat:@"; progress = %f", __state->progress];
+}
+
+@end