first commit

node_modules/react-native-screens/ios/helpers/image/RNSImageLoadingHelper.mm

@@ -0,0 +1,71 @@
+#import "RNSImageLoadingHelper.h"
+#import "RCTImageSource+AccessHiddenMembers.h"
+
+@implementation RNSImageLoadingHelper
+
++ (void)loadImageSyncIfPossibleFromJsonSource:(nonnull NSDictionary *)jsonImageSource
+                              withImageLoader:(nonnull RCTImageLoader *)imageLoader
+                                   asTemplate:(BOOL)isTemplate
+                              completionBlock:(void (^_Nonnull)(UIImage *_Nullable image))imageLoadingCompletionBlock
+{
+  RCTAssert(RCTIsMainQueue(), @"[RNScreens] Expected to run on main queue");
+
+  RCTImageSource *imageSource = [RCTConvert RCTImageSource:jsonImageSource];
+  RCTAssert(imageSource != nil, @"[RNScreens] Expected nonnil image source");
+
+#if !defined(NDEBUG) // We're in debug mode here
+  if (imageSource.packagerAsset) {
+    // We use `+ [RCTConvert UIImage:]` only in debug mode, because it is deprecated, however
+    // we haven't found different way to load image synchronously in debug other than
+    // writing the code manually.
+    UIImage *image = [RCTConvert UIImage:jsonImageSource];
+    imageLoadingCompletionBlock([RNSImageLoadingHelper handleRenderingModeForImage:image isTemplate:isTemplate]);
+  } else
+#endif // !defined(NDEBUG)
+  {
+    [self loadImageFromSource:imageSource
+              withImageLoader:imageLoader
+                   asTemplate:isTemplate
+              completionBlock:imageLoadingCompletionBlock];
+  }
+}
+
++ (void)loadImageFromSource:(nonnull RCTImageSource *)imageSource
+            withImageLoader:(nonnull RCTImageLoader *)imageLoader
+                 asTemplate:(BOOL)isTemplate
+            completionBlock:(void (^_Nonnull)(UIImage *_Nullable image))imageLoadingCompletionBlock
+{
+  RCTAssert(imageSource != nil, @"[RNScreens] imageSource must not be nil");
+  RCTAssert(imageLoader != nil, @"[RNScreens] imageLoader must not be nil");
+
+  [imageLoader loadImageWithURLRequest:imageSource.request
+      size:imageSource.size
+      scale:imageSource.scale
+      clipped:true
+      resizeMode:RCTResizeModeCenter
+      progressBlock:^(int64_t progress, int64_t total) {
+      }
+      partialLoadBlock:^(UIImage *_Nonnull image) {
+      }
+      completionBlock:^(NSError *_Nullable error, UIImage *_Nullable image) {
+        if (RCTIsMainQueue()) {
+          imageLoadingCompletionBlock([RNSImageLoadingHelper handleRenderingModeForImage:image isTemplate:isTemplate]);
+        } else {
+          dispatch_async(dispatch_get_main_queue(), ^{
+            imageLoadingCompletionBlock([RNSImageLoadingHelper handleRenderingModeForImage:image
+                                                                                isTemplate:isTemplate]);
+          });
+        }
+      }];
+}
+
++ (nullable UIImage *)handleRenderingModeForImage:(nullable UIImage *)image isTemplate:(BOOL)isTemplate
+{
+  if (isTemplate) {
+    return [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
+  } else {
+    return [image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
+  }
+}
+
+@end