From 5597ed0dad451530d4e5c42b61bfb5aba4b1566a Mon Sep 17 00:00:00 2001
From: Shingo YAMADE <shingo.yamade@gmail.com>
Date: Thu, 27 Jun 2019 18:39:21 -0700
Subject: [PATCH] fix: Fix setting props order issue for iOS. (#303)

fix #304
---
 ios/FastImage/FFFastImageView.m | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/ios/FastImage/FFFastImageView.m b/ios/FastImage/FFFastImageView.m
index 892e33c1a..684f1d59e 100644
--- a/ios/FastImage/FFFastImageView.m
+++ b/ios/FastImage/FFFastImageView.m
@@ -1,11 +1,12 @@
 #import "FFFastImageView.h"
 
-
 @interface FFFastImageView()
 
 @property (nonatomic, assign) BOOL hasSentOnLoadStart;
 @property (nonatomic, assign) BOOL hasCompleted;
 @property (nonatomic, assign) BOOL hasErrored;
+// Whether the latest change of props requires the image to be reloaded
+@property (nonatomic, assign) BOOL needsReload;
 
 @property (nonatomic, strong) NSDictionary* onLoadEvent;
 
@@ -97,7 +98,23 @@ - (void)sendOnLoad:(UIImage *)image {
 - (void)setSource:(FFFastImageSource *)source {
     if (_source != source) {
         _source = source;
-        
+        needsReload = YES;
+    }
+}
+
+- (void)didSetProps:(NSArray<NSString *> *)changedProps
+{
+    if (needsReload) {
+        [self reloadImage];
+    }
+}
+
+- (void)reloadImage
+{
+    needsReload = NO;
+
+    if (_source) {
+
         // Load base64 images.
         NSString* url = [_source.url absoluteString];
         if (url && [url hasPrefix:@"data:image"]) {