Implement dispatchRequestTranslation for getting translation information.

This change doesn't contain the virtual view part and the API, it
will be done in the next change.

Bug: 178046780
Test: manual
Test: atest CtsTranslationTestCases
CTS-Coverage-Bug: 177960696

Change-Id: Idba66a882a90168ecdd93423c0d5d054ab040dad

1 files changed, 25 insertions, 0 deletions

diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 38a59373554c..8198254958f4 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -65,9 +65,13 @@ import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.view.animation.LayoutAnimationController;
 import android.view.animation.Transformation;
+import android.view.autofill.AutofillId;
 import android.view.autofill.Helper;
 import android.view.inspector.InspectableProperty;
 import android.view.inspector.InspectableProperty.EnumEntry;
+import android.view.translation.TranslationCapability;
+import android.view.translation.TranslationSpec.DataFormat;
+import android.view.translation.ViewTranslationRequest;
 
 import com.android.internal.R;
 
@@ -9264,4 +9268,25 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
             mParent.onDescendantUnbufferedRequested();
         }
     }
+
+    /**
+     * {@inheritDoc}
+     *
+     * The implementation calls {@link #dispatchRequestTranslation} for all the child views.
+     */
+    @Override
+    public void dispatchRequestTranslation(@NonNull Map<AutofillId, long[]> viewIds,
+            @NonNull @DataFormat int[] supportedFormats,
+            @Nullable TranslationCapability capability,
+            @NonNull List<ViewTranslationRequest> requests) {
+        super.dispatchRequestTranslation(viewIds, supportedFormats, capability, requests);
+        final int childCount = getChildCount();
+        if (childCount == 0) {
+            return;
+        }
+        for (int i = 0; i < childCount; ++i) {
+            final View child = getChildAt(i);
+            child.dispatchRequestTranslation(viewIds, supportedFormats, capability, requests);
+        }
+    }
 }