Merge pull request #4546 from fightyz:fix_registered_transcode_classe…

…s_fun PiperOrigin-RevId: 381908159
bumptech · Jun 28, 2021 · 10acc31 · 10acc31
2 parents 9c7f7f8 + ce8b5e3
commit 10acc31
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/library/src/main/java/com/bumptech/glide/load/resource/transcode/TranscoderRegistry.java b/library/src/main/java/com/bumptech/glide/load/resource/transcode/TranscoderRegistry.java
@@ -60,6 +60,7 @@ public synchronized <Z, R> ResourceTranscoder<Z, R> get(
   }
 
   @NonNull
+  @SuppressWarnings("unchecked")
   public synchronized <Z, R> List<Class<R>> getTranscodeClasses(
       @NonNull Class<Z> resourceClass, @NonNull Class<R> transcodeClass) {
     List<Class<R>> transcodeClasses = new ArrayList<>();
@@ -70,8 +71,9 @@ public synchronized <Z, R> List<Class<R>> getTranscodeClasses(
     }
 
     for (Entry<?, ?> entry : transcoders) {
-      if (entry.handles(resourceClass, transcodeClass)) {
-        transcodeClasses.add(transcodeClass);
+      if (entry.handles(resourceClass, transcodeClass)
+          && !transcodeClasses.contains((Class<R>) entry.toClass)) {
+        transcodeClasses.add((Class<R>) entry.toClass);
       }
     }