/** 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 "POPAnimatable.h" #import @implementation POPAnimatable { BOOL _recording; NSMutableDictionary *_recordedValuesDict; } @synthesize radius = _radius; @synthesize position = _position; static void record_value(POPAnimatable *self, NSString *key, id value) { if (!self->_recordedValuesDict) { self->_recordedValuesDict = [NSMutableDictionary new]; } NSMutableArray *values = self->_recordedValuesDict[key]; if (!values) { values = [NSMutableArray array]; self->_recordedValuesDict[key] = values; } [values addObject:value]; } static void record_value(POPAnimatable *self, NSString *key, float f) { record_value(self, key, @(f)); } static void record_value(POPAnimatable *self, NSString *key, CGPoint p) { record_value(self, key, [NSValue valueWithCGPoint:p]); } - (void)setRadius:(float)radius { _radius = radius; if (_recording) { record_value(self, @"radius", radius); } } - (void)setPosition:(CGPoint)position { _position = position; if (_recording) { record_value(self, @"position", position); } } - (NSArray *)recordedValuesForKey:(NSString *)key { return _recordedValuesDict[key]; } - (void)startRecording { _recording = YES; } - (void)stopRecording { _recording = NO; } @end