Add checking availability for webp animation

Author: gmary95

MMMLoadable.podspec

@@ -6,7 +6,7 @@
 Pod::Spec.new do |s|
 
   s.name = "MMMLoadable"
-  s.version = "2.2.1"
+  s.version = "2.2.2"
   s.summary = "A simple model for async calculations"
   s.description = "#{s.summary}."
   s.homepage = "https://github.com/mediamonks/#{s.name}"

Sources/MMMLoadableObjC/MMMLoadableImage.m

@@ -224,17 +224,28 @@ - (NSNumber *)imageAnimationDelayTime:(CGImageSourceRef)source {
 		return nil;
 	}
 	NSDictionary *gifProps = (__bridge NSDictionary *)(CFDictionaryRef)CFDictionaryGetValue(props, kCGImagePropertyGIFDictionary);
-	NSDictionary *webpProps = (__bridge NSDictionary *)(CFDictionaryRef)CFDictionaryGetValue(props, kCGImagePropertyWebPDictionary);
-	CFRelease(props);
 	if (gifProps) {
+		CFRelease(props);
 		return (NSNumber *)gifProps[(NSString *)kCGImagePropertyGIFDelayTime];
-	} else if (webpProps) {
+	} else if (@available(iOS 14.0, *)) {
+		return [self webpAnimationDelayTime:props];
+	} else {
+		CFRelease(props);
+		return nil;
+	}
+}
+
+- (NSNumber *)webpAnimationDelayTime: (CFDictionaryRef)props API_AVAILABLE(ios(14)) {
+	NSDictionary *webpProps = (__bridge NSDictionary *)(CFDictionaryRef)CFDictionaryGetValue(props, kCGImagePropertyWebPDictionary);
+	CFRelease(props);
+	if (webpProps) {
 		return (NSNumber *)webpProps[(NSString *)kCGImagePropertyWebPDelayTime];
 	} else {
 		return nil;
 	}
 }
 
+
 /// [UIImage imageWithData:] does not decode GIFs as animated images, this is to correct that.
 - (UIImage *)imageWithData:(NSData *)data {
 
@@ -270,7 +281,7 @@ - (UIImage *)imageWithData:(NSData *)data {
 		[images addObject:image];
 	}
 
-	NSTimeInterval delayTime = MAX([delayTimeNum doubleValue], 0.1);
+	NSTimeInterval delayTime = MAX([delayTimeNum doubleValue], 0.04);
 
 	UIImage *result = [UIImage animatedImageWithImages:images duration:delayTime * count];