isInDiskCache operation unknown will use dynamic size based on MC

Reviewed By: defHLT

Differential Revision: D66241837

fbshipit-source-id: d576d74108df7108a93dbc9541781f2279e1ea50

Author: Veeren Mandalia

vito/core/src/main/java/com/facebook/fresco/vito/core/DefaultFrescoVitoConfig.kt

@@ -48,6 +48,8 @@ constructor(override val prefetchConfig: PrefetchConfig = DefaultPrefetchConfig(
 
   override fun experimentalDynamicSizeDiskCacheCheckTimeoutMs(): Long = 0
 
+  override fun experimentalDynamicSizeUseSfOnDiskCacheTimeout(): Boolean = false
+
   override fun isAppStarting(): Boolean = false
 
   override fun experimentalDynamicSizeDisableWhenAppIsStarting(): Boolean = false

vito/core/src/main/java/com/facebook/fresco/vito/core/FrescoVitoConfig.kt

@@ -45,6 +45,8 @@ interface FrescoVitoConfig {
 
   fun experimentalDynamicSizeDiskCacheCheckTimeoutMs(): Long
 
+  fun experimentalDynamicSizeUseSfOnDiskCacheTimeout(): Boolean
+
   fun isAppStarting(): Boolean
 
   fun experimentalDynamicSizeDisableWhenAppIsStarting(): Boolean

vito/litho/src/main/java/com/facebook/fresco/vito/litho/FrescoVitoImage2Spec.kt

@@ -192,8 +192,13 @@ object FrescoVitoImage2Spec {
                     requestCachedValue,
                     FrescoVitoProvider.getConfig().experimentalDynamicSizeDiskCacheCheckTimeoutMs(),
                     TimeUnit.MILLISECONDS)
-        // Force keep original size if in disk cache OR unknown result (null)
-        forceKeepOriginalSize.set(isInDiskCache != false)
+        if (isInDiskCache == null) {
+          // On timeout, force keep original size by default
+          forceKeepOriginalSize.set(
+              !FrescoVitoProvider.getConfig().experimentalDynamicSizeUseSfOnDiskCacheTimeout())
+        } else {
+          forceKeepOriginalSize.set(isInDiskCache)
+        }
       }
       if (forceKeepOriginalSize.get() == true) {
         // Tell image pipeline that we're using an unmodified URL so it can ensure we can prefetch