Fixing Pinch to Zoom and Double Tap to Zoom in Vito

Reviewed By: defHLT

Differential Revision: D54861699

fbshipit-source-id: b9e1036157a7d817e98da0949fc7d085396f3458

vito/core-impl/src/main/java/com/facebook/fresco/vito/core/impl/KFrescoVitoDrawable.kt

@@ -209,6 +209,10 @@ class KFrescoVitoDrawable(
     _intrinsicHeight = height
   }
 
+  override fun configureWhenUnderlyingChanged() {
+    actualImageLayer.configure()
+  }
+
   override fun getIntrinsicWidth(): Int {
     return if (_intrinsicWidth !== -1) {
       _intrinsicWidth

vito/core-java-impl/src/main/java/com/facebook/fresco/vito/core/impl/FrescoDrawable2Impl.java

@@ -431,4 +431,10 @@ public int getIntrinsicHeight() {
   public ControllerListener2<ImageInfo> getImagePerfControllerListener() {
     return mImageListener.getImagePerfControllerListener();
   }
+
+  @Override
+  public void configureWhenUnderlyingChanged() {
+    // This function is not needed in this flow because it is already handled in
+    // ScaleTypeDrawable.java
+  }
 }

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

@@ -51,4 +51,10 @@ interface FrescoDrawableInterface {
   fun getImagePerfControllerListener(): ControllerListener2<ImageInfo>?
 
   fun setIntrinsicSize(width: Int, height: Int)
+
+  /**
+   * Configure the image, bounds, scale and reset the render command. Call it only when you are sure
+   * that underlying image has changed.
+   */
+  fun configureWhenUnderlyingChanged()
 }