Merge pull request airbnb#677 from chenxiaoping1/replaceLoadWithOnce

+load will slow startup speed, replace it with dispatch_once
clario-tech · Oct 4, 2018 · 35aa494 · 35aa494
2 parents 4a5bc1f + 56d6acd
commit 35aa494
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/lottie-ios/Classes/Extensions/UIColor+Expanded.m b/lottie-ios/Classes/Extensions/UIColor+Expanded.m
@@ -367,6 +367,11 @@ + (UIColor *)LOT_colorWithHexString:(NSString *)stringToConvert {
 // Lookup a color using css 3/svg color name
 + (UIColor *)LOT_colorWithName:(NSString *)cssColorName {
  UIColor *color;
+ static dispatch_once_t onceToken;
+ dispatch_once(&onceToken, ^{
+ colorNameCache = [[NSMutableDictionary alloc] init];
+ });
+
  @synchronized(colorNameCache) {
  // Look for the color in the cache
  color = [colorNameCache objectForKey:cssColorName];
@@ -399,12 +404,6 @@ + (UIColor *)LOT_colorByLerpingFromColor:(UIColor *)fromColor toColor:(UIColor *
  return [UIColor colorWithRed:r green:g blue:b alpha:a];
 }
 
-#pragma mark UIColor_Expanded initialization
-
-+ (void)load {
- colorNameCache = [[NSMutableDictionary alloc] init];
-}
-
 @end
 
 #pragma mark -