99
1010#include < TargetConditionals.h>
1111
12+ #import < objc/runtime.h>
13+
1214#import < React/RCTBridge.h>
1315
16+ IMP RTASwizzleSelector (Class class, SEL originalSelector, SEL swizzledSelector)
17+ {
18+ Method originalMethod = class_getInstanceMethod (class, originalSelector);
19+ IMP originalImpl = method_getImplementation (originalMethod);
20+
21+ Method swizzledMethod = class_getInstanceMethod (class, swizzledSelector);
22+
23+ BOOL didAddMethod = class_addMethod (class,
24+ originalSelector,
25+ method_getImplementation (swizzledMethod),
26+ method_getTypeEncoding (swizzledMethod));
27+ if (didAddMethod) {
28+ const char *type = method_getTypeEncoding (originalMethod);
29+ class_replaceMethod (class, swizzledSelector, originalImpl, type);
30+ } else {
31+ method_exchangeImplementations (originalMethod, swizzledMethod);
32+ }
33+
34+ return originalImpl;
35+ }
36+
37+ // MARK: - [0.62] RCTTriggerReloadCommandListeners replaces -[RCTBridge reload]
38+
1439// `RCTReloadCommand.h` is excluded from `react-native-macos`
1540// See https://github.com/microsoft/react-native-macos/blob/v0.61.39/React-Core.podspec#L66
1641#if REACT_NATIVE_VERSION >= 6200
@@ -25,3 +50,64 @@ void RTATriggerReloadCommand(RCTBridge *bridge, NSString *reason)
2550 RCTTriggerReloadCommandListeners (reason);
2651#endif
2752}
53+
54+ // MARK: - [0.63.2] Images do not render on iOS 14
55+ // See https://github.com/facebook/react-native/pull/29420
56+
57+ #if !TARGET_OS_OSX && REACT_NATIVE_VERSION < 6302
58+
59+ #import < React/RCTUIImageViewAnimated.h>
60+
61+ @implementation RCTUIImageViewAnimated (ReactTestApp)
62+
63+ static void (*orig_displayLayer)(id , SEL , CALayer *);
64+
65+ + (void )initialize
66+ {
67+ if ([self class ] != [RCTUIImageViewAnimated class ]) {
68+ return ;
69+ }
70+
71+ if (@available (iOS 14.0 , *)) {
72+ static dispatch_once_t onceToken;
73+ dispatch_once (&onceToken, ^{
74+ IMP impl = RTASwizzleSelector (
75+ [self class ], @selector (displayLayer: ), @selector (rta_displayLayer: ));
76+ orig_displayLayer = (void (*)(id , SEL , CALayer *))impl;
77+ });
78+ }
79+ }
80+
81+ - (void )rta_displayLayer : (CALayer *)layer
82+ {
83+ /* The fix for images not rendering is to let UIImageView handle it when we
84+ * are not animating. The following change was made in react-native#29420:
85+ *
86+ * diff --git a/Libraries/Image/RCTUIImageViewAnimated.m b/Libraries/Image/RCTUIImageViewAnimated.m
87+ * index 93c6a2f02f5..f6fb5bc60cc 100644
88+ * --- a/Libraries/Image/RCTUIImageViewAnimated.m
89+ * +++ b/Libraries/Image/RCTUIImageViewAnimated.m
90+ * @@ -285,6 +285,8 @@ static NSUInteger RCTDeviceFreeMemory() {
91+ * if (_currentFrame) {
92+ * layer.contentsScale = self.animatedImageScale;
93+ * layer.contents = (__bridge id)_currentFrame.CGImage;
94+ * + } else {
95+ * + [super displayLayer:layer];
96+ * }
97+ * }
98+ *
99+ * The patch calls `super` when `_currentFrame` is `nil`. For our monkey
100+ * patch, we'll invert the logic to let the original method handle the case
101+ * where `_currentFrame` is missing.
102+ */
103+ if ([self respondsToSelector: @selector (currentFrame )] &&
104+ [self performSelector: @selector (currentFrame )] == nil ) {
105+ [super displayLayer: layer];
106+ } else {
107+ orig_displayLayer (self, @selector (displayLayer: ), layer);
108+ }
109+ }
110+
111+ @end
112+
113+ #endif
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